CODE OF PRACTICE FOR WATERWORKS SYSTEMS USING HIGH QUALITY GROUNDWATER

Transcription

1 CODE OF PRACTICE FOR WATERWORKS SYSTEMS USING HIGH QUALITY GROUNDWATER Effective June 1, 2012 Made under the Environmental Protection and Enhancement Act, RSA 2000, ce-12 Published by Alberta Queen s Printer Queen s Printer Bookste 5 th Flo, Park Plaza Avenue Edmonton, AB T5K 2P7 Phone: Fax: qp@gov.ab.ca Shop on-line at

2 ALBERTA ENVIRONMENT AND WATER CODE OF PRACTICE FOR WATERWORKS SYSTEMS USING HIGH QUALITY GROUNDWATER [made under the Environmental Protection and Enhancement Act, RSA 2000, c.e- 12, and the Environmental Protection and Enhancement (Miscellaneous) Regulation, AR 118/93] Effective June 1, 2012, this document replaces the April 1, 2009 document. ISBN: (Printed Edition) ISBN: (On-Line Edition) Website: Additional copies are available to der on the Alberta Queen s Printer website at

3 TABLE OF CONTENTS Part 1. Definitions 2. General Provisions 3. Administration, Design and Construction Requirements 4. Operational Requirements 5. Limits and Moniting Requirements 6. Wastewater Management 7. Reclamation Requirements 8. Repting Requirements 9. Recd Keeping Requirements 10. Code of Practice Administration Schedule 1 Operations Program Contents 1

4 PART 1: DEFINITIONS 1.1 All definitions in the Act and the regulations under the Act apply except where expressly defined in this Code of Practice. 1.2 In this Code of Practice: (c) (d) (e) (f) (g) (h) (i) Act means the Environmental Protection and Enhancement Act, R.S.A. 2000, c.e-12, as amended from time to time; alternate program means the Alternate Labaty Data Quality Assurance Program, as detailed in the Department s Labaty Data Quality Assurance Policy Procedures and Guidelines; approved labaty means labaty accredited to the requirements of ISO/IEC General requirements f the competence of testing and calibration labaties, f the drinking water tests methods specified by the Direct; Certification Guidelines means the Water and Wastewater Operats Certification Guidelines, published by the Department, as amended replaced from time to time; chline residual means free chline, combined chline total chline; contact time f a process unit means T 10 which is the time taken in minutes f 10% of the water to pass through that unit; continuous means flow measurement sample analysis through in-line equipment that creates flow measurements frequent, discrete sample analysis output; CT means disinfectant residual in mg/l multiplied by the contact time in minutes; CT lowest actual means the lowest CT calculated in a particular day, calculated as follows: 2

5 CT lowest actual = T C T V 10 min Q peak where: C = lowest recded daily disinfectant residual concentration (in milligrams per litre) at the point T 10 is measured; T 10 = 0.1; OR T varies based on the empirical method using typical baffling conditions as per Appendix D in the Standards and Guidelines Document; OR varies based on a tracer study, where T 10 = the contact time (in minutes) established from the most recent tracer study; and T = the calculated contact time (in minutes), assuming no shtcircuiting and obtained by dividing the treated water contact stage volume that was used to determine T 10, by the flow that was used to determine T 10 ; V min = the daily minimum volume (in Litres) of treated water in the disinfection contact reservoir; Q peak = maximum recded hourly flow (Litres per minute) twice the daily average flow (Litres per minute) 3

6 (j) (k) (l) (m) (n) (o) (p) (q) (r) (s) (t) CT required means the CT required to demonstrate the specified log reduction of viruses as determined from the CT tables in Appendix B of the Standards and Guidelines Document; CT perfmance ratio means CT lowest actual / CT required; design capacity means the production capacity f which the waterwks system was designed, as stated in the engineering drawings and specifications f the waterwks system, provided pursuant to section 3.1.3; disinfectant residual means the concentration of free chline, chlamine, chline dioxide, ozone used f disinfection; disinfection means a chemical physical process of treating water to inactivate microganisms; Drinking Water Safety Plan, ( DWSP ) means a comprehensive assessment of the risk facts that could adversely affect the quality of drinking water delivered to consumers; DWSP template means the drinking water safety plan template published from time to time by Alberta Environment and Water on their website; four seasons is comprised of spring - March to May, summer June to August, fall September to November, winter December to February; GCDWQ means the Guidelines f Canadian Drinking Water Quality, published by Health Canada, as amended replaced from time to time; grab, when referring to a sample, means an individual sample collected in less than 30 minutes and which is representative of the substance sampled; high quality groundwater means groundwater that: (i) does not require treatment to comply with the applicable physical, chemical, and radiological MAC, except f fluide, specified in the 4

7 GCDWQ, f the parameters listed in the Standards and Guidelines Document, (ii) contains a concentration of naturally occurring fluide of less than equal to 2.4 mg/l, and (iii) is not under the direct influence of surface water; (u) (v) (w) (x) (y) (z) (aa) (bb) (cc) ISO / IEC means the International Organization f Standardization / the International Electrotechnical Commission; log reduction means the base 10 logarithm of the ratio of raw water concentrations divided by the treated water concentration of total viruses; MAC means the Maximum Acceptable Concentration, specified in the GCDWQ f a particular parameter; professional engineer means a professional engineer registered professional technologist (engineering) under the Engineering, Geological and Geophysical Professions Act; regulations means the regulations under the Act; running annual average means the arithmetic average of the concentrations of all the most recent samples taken covering a 365 day period; source sanitary survey means a review of the water source f the purpose of evaluating the adequacy of the condition of the physical components and protection from contamination indicating the vulnerability f degradation of the source water quality; Standards and Guidelines Document means the Standards and Guidelines f Municipal Waterwks, Wastewater and Stm Drainage Systems, published by the Department, as amended replaced from time to time; this Code of Practice means the Code of Practice f Waterwks Systems Using High Quality Groundwater, published by the Department, as amended replaced from time to time; and 5

8 (dd) weekday means Monday, Tuesday, Wednesday, Thursday, Friday. PART 2: GENERAL PROVISIONS Section 2.1: General Any person who constructs, operates reclaims a waterwks system that uses high quality groundwater must do so in accdance with this Code of Practice Any conflict between the registration application and the terms and conditions of this Code of Practice shall be resolved in favour of this Code of Practice The terms and conditions of this Code of Practice do not affect any rights obligations created under any other authization issued by the Department The terms and conditions of this Code of Practice are severable. If any term condition of this Code of Practice the application of any term condition is held invalid, the application of such term condition to other circumstances and to the remainder of this Code of Practice shall not be affected by that invalidity If the registration holder monits f any substances parameters which are the subject of limits in this Code of Practice me frequently than is required, using procedures authized in this Code of Practice, then the registration holder shall provide the results of such moniting as an addendum to the repts required by this Code of Practice. Section 2.2: Analytical Requirements With respect to any moniting required pursuant to this Code of Practice, all samples shall be: (c) collected; preserved; sted; 6

9 (d) (e) handled; and analyzed in accdance with: (i) the Standard Methods f the Examination of Water and Wastewater, published by the American Public Health Association, the American Waterwks Association and the Water Environment Federation, as amended replaced from time to time; (ii) a method authized in writing by the Direct Any analysis of a sample required pursuant to this Code of Practice, shall be done only in an approved labaty, in accdance with the Department s alternate program Notwithstanding the generality of 2.2.2, any analysis of a sample of treated water f bacteriological quality required pursuant to this Code of Practice shall be conducted only by the Provincial Labaty f Public Health (ProvLab), unless otherwise specified in writing by the Direct. PART 3: ADMINISTRATION, DESIGN AND CONSTRUCTION REQUIREMENTS Operations Program If the waterwks system was not previously registered, no person shall apply f a registration unless that person has prepared caused to be prepared a written operations program governing the operation of the waterwks system A registration holder shall have a written operations program governing the operation of the waterwks system completed by: the requirements of 3.1.1, the date specified in a notice issued pursuant to S.8.1(4) of the Environmental Protection and Enhancement (Miscellaneous) Regulation, AR 118/ The operations program in section shall contain, at a minimum, all of the infmation in Schedule 1. 7

10 3.1.3 In addition to the infmation required in the Act and the regulations, an application f a registration shall contain, at a minimum, the following infmation: (c) (d) (e) analytical results f groundwater intended to be the potable water source; written confirmation that the person applying f the registration has prepared, caused to be prepared an operations program; engineering drawings signed and stamped by a professional engineer f the proposed waterwks system proposed changes to the waterwks system, including the design capacity of the proposed waterwks system proposed change; a statement, signed and stamped by a professional engineer, indicating whether the design of the project complies with all the design requirements of: (i) this Code of Practice, and (ii) the regulations under the Act, and in cases in which a design requirement in section (d) is not met, a statement, signed and stamped by a professional engineer, identifying and justifying the deviation No person shall install any water treatment equipment that was not included in the registration application unless the Direct has been advised in writing in advance of the intention to install and operate that water treatment equipment No person shall remove any water treatment equipment that was included in the registration application unless the Direct has been advised in writing in advance of the intention to remove that water treatment equipment Repealed 8

11 The registration holder shall complete a drinking water safety plan of the waterwks system: on befe December 31, 2013 f registrations issued on after June 1, 2012; by December 31, 2013 f registrations in existence on June 1, The drinking water safety plan in shall: identify potential risks to the waterwks systems including without limiting the generality of the fegoing: (i) risks associated with the source of the raw water; (ii) risks associated with the treatment processes associated with the water treatment wks; (iii) risks associated with the distribution of treated water within the distribution system; (iv) risks associated with the consumer s premises located on the waterwks system; and prescribe appropriate measures to control and/ reduce such risks to the waterwks system; in accdance with the requirements in the Standards and Guidelines f Municipal Waterwks, Wastewater and Stm Drainage Systems; Part 1 Standards f Municipal Waterwks (2012) The drinking water safety plan in shall utilise the drinking water safety plan template located at aspx unless otherwise agreed to in writing by the Direct The registration holder shall maintain, and update the drinking water safety plan Repealed 9

12 PART 4: OPERATIONAL REQUIREMENTS The registration holder shall: operate, and maintain the waterwks system at all times within its design capacity Repealed The registration holder shall maintain positive pressure at all points throughout the distribution system where water is being supplied Repealed Certified Operat At all times, the operation of the waterwks system shall be perfmed by, under the direction of, a person who holds a valid certificate of qualification at the applicable level as set out in Table At all times, the number of certified operats available to perfm direct the operation of the waterwks system must meet exceed the applicable numbers in Table The registration holder shall obtain a statement of the facility s classification f Water Treatment (WT) from Alberta Environment pri to providing water treatment. 10

13 TABLE 4-1: MINIMUM WATERWORKS SYSTEM OPERATOR CERTIFICATE OF QUALIFICATION REQUIREMENTS Minimum Number and Minimum Number Population Type of Minimum and Minimum Served by Treatment in the Qualifications of Qualifications of Waterwks Waterwks Water Treatment Water Distribution System System Certified Certified Operat(s) Operat(s) < 500 Class I WT facility system without treatment 500 1,500 1,501 15,000 15,001 50,000 System providing ONLY chline residual within the distribution system System providing virus disinfection other treatment System providing ONLY chline residual within the distribution system System providing virus disinfection other treatment System providing ONLY chline residual within the distribution system System providing virus disinfection other treatment One operat with a Small Water Systems Certificate N/A One operat with a Water Treatment (WT) Certificate at the Level of the facility classification f water treatment N/A One operat with a Water Treatment (WT) Certificate at the Level of the facility classification f water treatment N/A One operat with a Water Treatment (WT) Certificate at the Level of the facility classification f water treatment One operat with a Level I Water Distribution (WD) Certificate One operat with a Level II Water Distribution (WD) Certificate One operat with a Level II Water Distribution (WD) Certificate One operat with a Level III Water Distribution (WD) Certificate and One operat with a Level II Water Distribution (WD) Certificate 11

14 TABLE 4-1 (continued) Population Served by Waterwks System 50,001 and over 50,001 and over (continued) Type of Treatment in the Waterwks System System providing ONLY chline residual within the distribution system System providing virus disinfection other treatment Minimum Number and Minimum Qualifications of Water Treatment Certified Operat(s) N/A One operat with a Water Treatment (WT) Certificate at the Level of the facility classification f water treatment Minimum Number and Minimum Qualifications of Water Distribution Certified Operat(s) One operat with a Level IV Water Distribution (WD) Certificate and Two operats with a Level III Water Distribution (WD) Certificate and One operat with a Level II Water Distribution (WD)Certificate PART 5: LIMITS AND MONITORING REQUIREMENTS The quality of potable water distributed by the registration holder must comply with the limits in Table 5-1 at all locations specified in Table 5-2, and at all times the registration holder is treating and distributing water. 12

15 Parameter TABLE 5-1: CT required, subject to sections and of this Code of Practice CT perfmance ratio, subject to sections and of this Code of Practice Bacteriological quality The physical, inganic and ganic chemical and pesticide parameters listed in the Compliance Moniting section of the Standards and Guidelines Document, except fluide Disinfectant residual, subject to sections and of this Code of Practice Chline residual in the distribution system Fluide - if naturally occurring Fluide - if fluidation is practiced Repealed POTABLE WATER QUALITY LIMITS If any bacteriological quality sample contains E. coli Total colifm, in addition to any repting other requirements pursuant to the Act, the regulations, this Code of Practice, the registration holder shall carry out the crective actions set out in the Communication and Action Protocol f Failed Bacteriological Results in Drinking Water f Waterwks 13 Limit (Maximum unless otherwise specified) F systems with continuous moniting of disinfectant residual, the CT value f 4-log inactivation of viruses specified in the CT Table f the disinfectant used, in Appendix B of the Standards and Guidelines Document, F systems with grab sampling of disinfectant residual, 1.25 times the CT value f 4-log inactivation of viruses specified in the CT Table f the disinfectant used, in Appendix B of the Standards and Guidelines Document. Greater than 1 Zero E. coli ganisms per 100 ml Zero Total colifm ganisms per 100 ml Applicable MAC, as per the Potable Water Regulation, based on the running annual average. Greater than equal to 0.2 mg/l if free chline chlamine is used f disinfection. Greater than equal to 0.1 mg/l, based on at least 75% of the samples taken on a particular day. Less than equal to 2.4 mg/l, based on a running annual average. The optimum concentration specified in GCDWQ with monthly variation of +/- 0.1 mg/l and daily average variation of +/- 0.2 mg/l

16 Systems Authized under the Environmental Protection and Enhancement Act, entered into by Alberta Environment and Water, the Provincial Labaty f Public Health, and Alberta Health and Wellness, Alberta Health Services, and Health Canada, as amended replaced from time to time If the first sample result of a chline residual sampling event pursuant to does not meet the chline residual limit in Table 5-1, the registration holder shall: flush the distribution line in the vicinity of the sample; resample and analyze the chline residual at the same location as the first sample, and (c) resample and analyze the chline residual from (i) a service connection upstream from the location of the first sample, and (ii) a service connection downstream from the location of the first sample In the event that the chline residual in any of the sample results in section (c) is less than 0.1 mg/l chline, the registration holder shall immediately rept the incident to the Direct by telephone at If a system is registered under the Act at the time this subsection comes into fce, the requirements with respect to disinfection CT in Table 5-1 and Table 5-2 do not apply until the virus disinfection standard is applied in accdance with the Potable Water Regulation If the Direct has exempted the registration holder from 4-log virus reduction perfmance moniting, by notice in writing, the requirements with respect to disinfection CT in Table 5-1 and Table 5-2 do not apply If the Direct has exempted the registration holder from 4-log virus reduction perfmance moniting by notice in writing, the registration holder shall: undertake a source sanitary survey of the waterwks system at least once every five years; and 14

17 submit the source sanitary survey to the Direct pri to the 5 th anniversary of the previous source sanitary survey If iron reduction is practiced and the iron concentration in the water entering the distribution, based on the weekly average of all the results taken, is greater than 0.3 mg/l the registration holder shall: notify the Direct at ; and take the crective action required to reduce the iron concentrations to less than 0.3 mg/l f the next moniting period If manganese reduction is practiced and the manganese concentration in the water entering the distribution system, based on a weekly average of all the results taken, is greater than 0.08 mg/l the registration holder shall: notify the Direct at ; and take the crective action required to reduce the manganese concentrations to less than 0.08 mg/l f the next moniting period If the concentration of a parameter where treatment is provided to reduce the concentration f aesthetic purposes is greater than the aesthetic objective specified in the GCDWQ, based on the weekly average of all samples taken, the registration holder shall: notify the Direct at ; and take the crective action required to reduce the parameter concentration to less than the aesthetic objective f the next moniting period. 15

18 Raw Water Moniting If a waterwks system practices fluidation, the registration holder shall monit raw water f fluide concentration in the following manner: at least once per week; and at a location in the waterwks system pri to the addition of fluide If the waterwks system has treatment to reduce iron manganese, the registration holder shall monit raw water f iron manganese as applicable: at least once per week; and at a location in the waterwks system pri to any chemical addition treatment unit If the waterwks system has treatment f an aesthetic parameter listed in the GCDWQ, the registration holder shall monit raw water f the concentration of that parameter: at least once per week; and at a location in the waterwks system pri to any chemical addition treatment unit. Potable Water Moniting The registration holder shall monit the potable water in the waterwks system in accdance with Table 5-2, unless otherwise specified in writing by the Direct. 16

19 TABLE 5-2: Parameter POTABLE WATER MONITORING LOCATION AND FREQUENCY Type of System Sample Type Moniting Location Bacteriological All systems Grab At random location(s) within the water distribution system Volume f CT calculation, subject to sections and All systems Calculated, based on continuous depth moniting Clearwell reservoir Minimum Moniting Frequency and Minimum Number of Samples The frequency and number of samples as set out in the GCDWQ, without any reduction One depth measurement every hour, recding all results and repting the minimum volume f each day, Disinfectant residual (C) f CT calculation, subject to sections and All systems Calculated, based on controlled minimum water volume Grab Continuous Pri to entering the distribution system, at the point where the CT is measured Calculated and repted when setting changing minimum volume control point. One sample per day, five days per week; if a statuty holiday falls on a weekday within that week, the sample is not required on that day, and the frequency may be reduced by one day f each statuty holiday, One sample, every five minutes, recding all results and repting the minimum value f each day. 17

20 TABLE 5-2 (continued) Parameter CT lowest actual, subject to sections and CT required, subject to sections and Type of System Systems without continuous disinfection residual moniting Systems with continuous disinfection residual moniting Sample Type Calculated Moniting Location Pri to entering the distribution system, at the point where the CT is measured Minimum Moniting Frequency and Minimum Number of Samples One calculation per day, five days per week; if a statuty holiday falls on a weekday within that week, the sample is not required on that day, and the frequency may be reduced by one day f each statuty holiday, One calculation f each day and one calculation if: i) volume < minimum volume control point, ii) Flow > flow control point setting. All systems Calculated N/A One calculation per month. CT perfmance ratio, subject to sections and Systems without continuous disinfection residual moniting Calculated Pri to entering the distribution system, at the point where the CT is measured One sample per day, five days per week; if a statuty holiday falls on a weekday within that week, the sample is not required on that day, and the frequency may be reduced by one day f each statuty holiday, 18

21 TABLE 5-2 (continued) Parameter CT perfmance ratio, subject to sections and (continued) Flow (Q peak ), f CT calculation, subject to sections and Temperature, f CT calculation, subject to sections and Type of System Systems with continuous disinfection residual moniting All systems Sample Type Continuous Moniting Location Pri to entering the distribution system, at the point where the CT is measured Calculated, based on controlled maximum flow. All systems Grab Pri to entering the distribution system, at the point where the CT is measured and either (c) Chline residual All systems and either (c) Minimum Moniting Frequency and Minimum Number of Samples One calculation f each day and one calculation if: i) volume < minimum volume control point, ii) Flow > flow control point setting. One sample, every five minutes, recding all results and repting the maximum value f each day, Calculated and repted when setting changing maximum flow control point. One sample per month. and either (c) Grab, and At the same location as the bacteriological quality sample is collected and One sample, taken at the same time as the bacteriological quality sample is collected and 19

22 TABLE 5-2 (continued) Parameter Chline residual (continued) The physical, ganic and inganic chemical and pesticide parameters listed in the Compliance Moniting section of the Standards and Guidelines Document, except UV absbance, trihalomethanes and chlamines Type of System Single well system Sample Type Grab (c)continuous Grab Moniting Location At random location(s) within the water distribution system, (c) at the point of entry into the water distribution system After treatment within the water distribution system Minimum Moniting Frequency and Minimum Number of Samples One sample per day, five days per week; if a statuty holiday falls on a weekday within that week, the sample is not required on that day, and the frequency may be reduced by one day f each statuty holiday (c) One sample, every five minutes, recding all results and repting the minimum value f each day One sample per year. Despite this requirement, if the results of the most recent samples indicate that the applicable MAC has been complied with, the physical and inganic chemical parameters shall be sampled once every three years, and ganic chemical and pesticide parameters shall be sampled once every five years. 20

23 TABLE 5-2 (continued) Parameter The physical, ganic and inganic chemical and pesticide parameters listed in the Compliance Moniting section of the Standards and Guidelines Document, except UV absbance, trihalomethanes and chlamines (continued) Type of System Multiple well fields within a single system, in which water is blended pri to entry into the water distribution system Multiple well fields within a single system in which water is not blended pri to entry into the water distribution system Sample Type Grab Grab Moniting Location After treatment within the water distribution system, at a location where the water from all well fields has been blended At the chosen well(s), after treatment, at the point of entry into the water distribution system Minimum Moniting Frequency and Minimum Number of Samples One sample per year. Despite this requirement, if the results of the most recent samples indicate that the applicable MAC has been complied with, the physical and inganic chemical parameters shall be sampled once every three years, and ganic chemical and pesticide parameters shall be sampled once every five years. At least one well monited each year, rotated so that all wells have been monited within the previous 3 years. Despite this requirement, if the results of the most recent samples indicate that the applicable MAC has been complied with, the physical and inganic chemical parameters shall be sampled once every three years, and ganic chemical and pesticide parameters shall be sampled once every five years. 21

24 TABLE 5-2 (continued) Parameter All aesthetic parameters f which treatment is provided, except iron and manganese Iron Type of System All systems practicing treatment f aesthetic parameters other than iron and manganese All systems practicing iron reduction Sample Type Grab Continuous Grab Moniting Location After treatment, pri to entering the distribution system After treatment, pri to entering the distribution system Minimum Moniting Frequency and Minimum Number of Samples One sample per week One sample, every five minutes, recding all results and repting the maximum value f each week One sample per day, five days per week; if a statuty holiday falls on a moniting day within that week, moniting is not required on that day Manganese All systems practicing manganese reduction Continuous Grab After treatment, pri to entering the distribution system One sample, every five minutes, recding all results and repting the maximum value f each day One sample per day, five days per week; if a statuty holiday falls on a moniting day within that week, moniting is not required on that day, 22

25 TABLE 5-2 (continued) Parameter Manganese (continued) Fluide Type of System All systems practicing fluidation Sample Type Continuous Grab Moniting Location Pri to entering the distribution system Minimum Moniting Frequency and Minimum Number of Samples One sample, every five minutes, recding all results and repting the maximum value f each day One sample per day, seven days per week Continuous One sample, every five minutes In the event of a repair within the water distribution system, in addition to the moniting required in section 5.1.6, the registration holder shall monit f: bacteriological quality, and chline residual by grab sample immediately after each repair, and at sampling points: (i) closest to the location of the repair; and (ii) on each side of the location of the repair. Trihalomethanes Repealed In addition to any other moniting requirements pursuant to this Code of Practice, the Act the regulations, trihalomethanes shall be monited in the waterwks system in the following manner: f systems where the total ganic carbon concentration in the raw water is less than 2 mg/l and: 23

26 (i) the trihalomethane concentrations in any sample are greater than the applicable MAC, no analytical results are available: (A) the registration holder shall take two grab samples per year, one sample taken during the summer and one sample taken during the winter; (B) the registration holder shall take all samples at a location furthest from the point at which the water enters the distribution system; (ii) the trihalomethane concentrations in all samples in the previous sampling event are less than the applicable MAC: (A) the registration holder shall take two grab samples every three years, one sample taken during the summer and one sample taken during the winter; (B) the registration holder shall take all samples at a location furthest from the point at which the water enters the distribution system; f systems where the total ganic carbon concentration in the raw water is greater than 2 mg/l and: (i) the trihalomethane concentrations in any sample are greater than the applicable MAC, no analytical results are available: (A) the registration holder shall take four grab samples per year, one sample taken during each of the four seasons; (B) the registration holder shall take all samples at a location furthest from the point at which the water enters the distribution system; and (C) there shall be a minimum of two months between samples; 24

27 5.1.9 to Repealed Additional Measurements Repealed (ii) the trihalomethane concentrations in all samples in the previous sampling event are less than the applicable MAC: (A) the registration holder shall take four grab samples every three years, one sample taken during each of the four seasons; (B) the registration holder shall take all samples at a location furthest from the point at which the water enters the distribution system; and (C) there shall be a minimum of two months between samples The registration holder shall measure the total water volume entering the distribution system as required to fulfil the requirements of and the total water volume entering the distribution system shall be computed a minimum of once per month If the waterwks system practices fluidation, the registration holder shall measure the following on a daily basis: the total daily volume of water to which fluide is added; and the total daily weight of fluide added to the water; If the registration holder adds any treatment chemical to the waterwks system, the dosage of each chemical, other than fluide shall: be calculated in milligrams of chemical per litre of water (mg/l) by measuring the amount of chemical added in a period not exceeding seven (7) calendar days divided by the total volume of water to which the chemical was added in that time period; and 25

28 not exceed the dosage specified as Maximum Use in Standard 60, published by the National Sanitation Foundation and the American National Standards Institute (NSF/ANSI), as amended replaced from time to time, unless otherwise authized in writing by the Direct. PART 6: WASTEWATER MANAGEMENT The registration holder shall dispose of wastewater only: to a wastewater collection system, that is part of a wastewater system that is the subject of a valid approval, registration permit, as applicable, as otherwise authized in writing by the Direct. PART 7: RECLAMATION REQUIREMENTS Where the land surface has been disturbed during construction, expansion, modification repair of any ption of a waterwks system, reclamation of the land surface to equivalent land capability shall be perfmed following the construction, expansion, modification repair, in accdance with the Standards and Guidelines Document Within six months after the waterwks system, a ption of the waterwks system, permanently ceases operation, the registration holder shall submit a reclamation plan to the Direct f the ption of the system that is no longer in operation No person shall commence reclamation of the waterwks system until that person has received written authization from the Direct f the reclamation Any person conducting reclamation of the waterwks system shall comply with the reclamation plan, as authized in writing by the Direct. 26

29 PART 8: REPORTING REQUIREMENTS Contravention Repting In addition to any other repting required pursuant to this Code of Practice, the Act, the regulations, the registration holder shall immediately rept to the Direct any contravention of this Code of Practice, either: by telephone at ; by a method: (i) in compliance with the release repting provisions in the Act and the regulations, (ii) authized in writing by the Direct In addition to any other repting required pursuant to this Code of Practice, the Act, the regulations, the registration holder shall immediately rept to the Direct by a method under section 8.1.1, any structural equipment malfunction in the waterwks system that may affect the quality supply of potable water In addition to the immediate rept in section 8.1.1, the registration holder shall provide a rept to the Direct: in writing; by a method: (i) in compliance with the release repting provisions in the Act and the regulations, (ii) authized in writing by the Direct within seven (7) calendar days after the discovery of the contravention, within another time period specified in writing by the Direct, unless the requirement f the rept is waived by the Direct The rept required under section shall contain, at a minimum, the following infmation: a description of the contravention; the date of the contravention; 27

30 (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) the duration of the contravention; the legal land description of the location of the contravention; an explanation as to why the contravention occurred; a summary of all preventive measures and actions that were taken pri to the contravention; a summary of all measures and actions that were taken to mitigate any effects of the contravention; a summary of all measures that will be taken to address any remaining effects and potential effects related to the contravention; the number of the registration issued under the Act f the waterwks system, and the name of the person who held the registration at the time the contravention occurred; the name, address, phone number and responsibilities of all persons operating the waterwks system at the time the contravention occurred; the name, address, phone number and responsibilities of all persons who had charge, management control of the waterwks system at the time that the contravention occurred; a summary of proposed measures that will prevent future contraventions, including a schedule of implementation f these measures; any infmation that was maintained recded under this Code of Practice, as a result of the incident; and any other infmation required by the Direct in writing. 28

31 Monthly Repting The registration holder shall compile and retain monthly repts The monthly rept in section shall include, at a minimum: (c) (d) (e) the name, telephone and fax numbers of all certified operats; the analytical results f all parameters required to be monited in accdance with this Code of Practice during the month; the locations of all sampling perfmed during the month in accdance with this Code of Practice; the name and manufacturer and batch number(s) of all treatment chemicals added during the month, and each manufacturer as listed in the Standard 60, published by the American National Standards Institute and the National Sanitation Foundation (ANSI/NSF), as amended replaced from time to time; and the results of all required measurements conducted during the month in accdance with this Code of Practice. Annual Repting In addition to any other repting required under the Act, the regulations and this Code of Practice, the registration holder shall compile an annual rept, by February 28 of the year following the calendar year in which the infmation on which the rept is based was collected Until a notice under section is issued by the Direct, the registration holder shall submit to the Direct the annual rept in section 8.1.7, by February 28 of the year following the calendar year in which the infmation on which the rept is based was collected The annual rept in section shall contain, at a minimum, all of the following infmation: 29

32 (c) (d) a summary of the monthly repts, specifying the monthly minimum, average, and maximum results f each parameter monited, excluding bacteriological results, f each month; a summary of the number, results, and sampling dates of the bacteriological samples analyzed f each month; the results of any other compliance moniting done during the year pursuant to this Code of Practice that was not included in any monthly rept; and a description of any problems experienced and crective actions taken at the waterwks system during the year with respect to environmental matters. Electronic Repting The Direct may, by notice in writing, require the registration holder to submit periodic repts: in an electronic fmat; and at a different frequency than specified in sections and of this Code of Practice The registration holder who receives a notice as specified in section shall comply with the notice. PART 9: RECORD KEEPING REQUIREMENTS The registration holder shall recd the following infmation, and maintain and retain the following recds f five (5) years from the date the recd was created: (i) bacteriological analysis results; (ii) daily recds, including but not limited to: (A) flow meter readings, (B) chline concentrations, (C) treatment chemical dosages, (D) iron and manganese concentrations, and 30

33 (iii) (iv) (E) all fluidation infmation required under this Code of Practice; all monthly repts required under this Code of Practice; and recds of action taken by the registration holder to crect contraventions of potable water quality limits (MAC), including the following infmation f each contravention: (A) name and address of the person who discovered the contravention, and (B) copies of all notifications to the public The registration holder shall maintain the following recds f the life of the waterwks system: the operations program; copies of all: (i) (ii) (iii) (iv) (v) (vi) (vii) (viii) applications submitted to the Department f a registration regarding the waterwks system and crespondence related to the registration, engineering drawings and specifications, project repts, construction documents, recd drawings, all repts of inspections conducted by the Department, all crespondence sent to the Department regarding a proposed extension of a water distribution system, replacement of a ption of a water distribution system, expansion modification of potable water stage within the water distribution system, all registrations issued under the Act f the waterwks system, 31

34 (ix) (x) all annual repts, and all repts prepared pursuant to sections and 8.1.4, and (c) all physical, ganic and inganic chemical and pesticide analytical results required pursuant to this Code of Practice, excluding daily moniting The results and recds in sections and 9.1.2(c) shall contain, at a minimum, all of the following infmation: (c) (d) (e) (f) the date, location and time of moniting, and the name of the person collecting the sample; identification of the sample type, including, but not limited to whether the sample is a routine water distribution system sample, repeat sample, source potable water sample, other special purpose sample; date of analysis; labaty name and person responsible f perfming analysis; the analytical method used; and the results of the analysis The registration holder shall immediately provide any recds, repts data required to be created under this Code of Practice to the Direct an inspect, upon request. PART 10: CODE OF PRACTICE ADMINISTRATION This Code of Practice will be reviewed as changes in technological other standards warrant. 32

35 Schedule 1 Operations Program Contents 1. Routine Operational Procedures, which shall, at a minimum, include: (c) (d) (e) contact name and telephone numbers f the system owner, system operat, engineering consultants and equipment suppliers; operating instructions: (i) general description of treatment process and operating procedures, (ii) perfmance requirements, and (iii) location of equipment maj controls; general maintenance schedule; general maintenance instructions f: (i) treatment/process equipment, (ii) moniting equipment, and (iii) pumping equipment; and the schedule and procedures f cleaning and flushing of the entire water distribution system, including potable water stage reservoirs. 2. Routine Operational Procedures f Moniting and Analysis, which shall, at a minimum, include: (c) (d) (e) operational and compliance tests to be perfmed; bacteriological quality moniting plan; methods used f moniting and analysis; locations of moniting points; and labaty data quality assurance infmation. 3. Emergency Response Plan, which shall, at a minimum, include steps to be taken in the event of the following: bacteriological results exceeding the prescribed limits; 33

36 (c) (d) (e) (f) (g) (h) low chline residual; equipment breakdown; flood and other natural disasters; water distribution system pipeline break and repair, and the return of the pipeline to service; power failure; the waterwks system becoming inoperable, including steps in providing an alternate potable water supply.; and list of contacts Alberta Environment and Water, Alberta Health, Regional Health Authities, Fire Department, Disaster Codinat, and other agencies. 4. Date of last update. 34