David Rowley, PE Chief of Water Quality Operations Rochester Water Bureau

Transcription

1 David Rowley, PE Chief of Water Quality Operations Rochester Water Bureau

2 Statistics and history Policy Initiatives- Communication & Outreach Research- Impacts of Construction Developing dedicated LSLR program Adapting Construction Practices

3 WATER MAINS WITH CORROSION PROTECTIVE LINING ~580 miles main City of Rochester, NY (2018) 20% 35.0% 45% Field Lined Mains Factory Lined & Plastic Mains Unlined Mains

4 WATER SERVICE MATERIALS City of Rochester, NY (2018) Lead, 35% Copper, 45% Unknown, 3% Plastic, 3% Lead-Lined, 3% Cast Iron & Galvanized, 11%

5

6 Records & experience almost no inside services comprised of lead: Galvanized Copper Plastic

7 Water Bureau has been installing new water services whenever the water main is replaced for years. Replaced over 3,000 lead containing water services over last 10 years. ~$10,000,000

8 Lead Policy Changesa two year journey Update the message Improve Customer Access to info Communicate Risks from Construction Activities Develop LSL replacement program

9 Compliance safety! NEW Drinking Water Safety Brochure & Website- Approach- Clear, Concise & Simple Convey Risks Empower Customers with Information 4 Simple Steps

10 Provide easy access to LSL info Real property website FREE lead testing Plumbing Inspection- lslr-collaborative.org New/Strengthened Partnerships- DOH Code Enforcement DRAFT- FOR REVIEW ONLY

11 Use only cold water for drinking, cooking, and preparing baby formula Flush your pipes any time water has been unused for more than 4-6 hours. Let water run 3-5 minutes Routinely clean faucet screens Use a water filter that is certified to NSF 53 to remove lead

12 FREE to all City residents Explicit offer to all instances of construction disturbance- Cleaning and lining LSLR ELAP Lead certification by end of 2018

13 The Safe Drinking Water Act, does not include a health based limit for lead levels in drinking water. Because there is no safe level of lead, the EPA has set a Maximum Contaminant Level Goal (MCLG) of zero.

14 First Draw 2 minute flush 5 minute flush Average: Maximum: Minimum: <1.0 <1.0 < th percentile: N= 50 Results consistently show benefits of flushing

15 Recognizing & communicating the risks

16 Industry standard guidance recognizes risks associated with construction activities AWWA s Communicating About Lead Service Lines

17 Galvanized pipe accumulates and releases lead; particularly when disturbed- At minimum: temporary increase in lead levels LSLR Cleaning and Lining

18 First draw Service Line Flush Average 7.2 ppb 7.9 ppb 5.3 ppb Max- 25 ppb 29 ppb 15 ppb 90 th Percentile ppb 23 ppb 10.8 ppb % > 15 ppb 7% 18% 0% Profile Sampling- First Draw & Flush- 1 Liter Service line samples- 250 ml

19

20

21

22 Meter Sample- 1,100 ppb Composite- Water from meter soaking internal parts ph<2 Digested Gunk- 510 ppb lead 1,100 ppb aluminum

23

24 CIP Budget- $500,000 NYS DOH Grant- $538,000 ~300 services Other projects Street maintenance In-house service renewals ~300 services Total cost to do all in 2018 $$$- $100,000,000

25 Pre-Construction: Public meetings Service flushing Meter vs no meter Access to home.. Cost Household Flushing Guidance Water Testing POU treatment

26

27 LSLR in NYS DOH Grant funded program Begins-mid October Free to Customer Bag Contains- Pitcher & 3 months of filters Lead Safety Brochure Flushing Instructions Pitcher & Filter info flyer Lead FAQ Total Unit Cost- $27.57 ~0.8% of service line renewal

28 Upland Operations Patricia Bedard, PE Manager of Water Production Brittany Vanno, Water Quality Lab Technician Water Distribution John Bonaldi Manager of Water Distribution- retired Kevin Johnson Manager of Water Distribution Engineering Michael Bushart, PE Managing Engineer Geoffrey Gugel Engineer IV Michael Hershelman, PE Senior Engineer Karl Waelder Engineer II Thomas Wood Engineer III James Treuthart- Principal Engineering Technician-CADD Director s Office Patrick O Connor, PE - Director Lisa Cichocki-Lalka Matls., Equip., Fleet, & Facil. Coordinator

29 Q&A David A. Rowley, PE Chief of Water Quality Operations City of Rochester Water Bureau