TOWN OF OLIVER WATER SYSTEM

Transcription

1 TOWN OF OLIVER WATER SYSTEM Water System Overview March 30 th, 2006 Bruce Hamilton 1 1

2 Oliver Water System Overview SOLID (South Okanagan Lands Irrigation District) amalgamation with Town Administratively Council decided that the new combined system be treated as one utility Operationally Eight systems Many are interconnected and the Operators utilize these interconnections to their benefit 2 2

3 Oliver Water System Overview The result: A A smooth amalgamation Many infrastructure improvements with overall improved service to customers Complexity of system makes it difficult to understand for new comers Detailed consumption monitoring can be difficult 3 3

4 Oliver Water System Overview Municipal (In-Town System): Four Four wells / one 300,000 us gal. reservoir At At times water flows from Town to Rural area through pipelines that don t t have a meter to quantify the flow 4 4

5 Oliver Water System Overview Rural System During Irrigation Season (April thru October): 44 systems Surface water / canal supply 11 system Pumps direct from OK River 11 system Wells 11 system Wells for Domestic and Canal for Irrigation (Twinned when constructed in 1970 s) 5 5

6 Oliver Water System Overview Rural System During Non-Irrigation Season (November thru March): All All customers supplied by wells 6 6

7 Oliver Water System Overview Total Inventory: 2020 km of open canal / gravity pipeline Originally constructed in the 1920 s Over Over 5 million spent rehabilitating in the past 12 years 7 7

8 Oliver Water System Overview Diversion into the canal from Okanagan River located 2 km south of Vaseaux Lake 8 8

9 Oliver Water System Overview Annual Annual maintenance is ongoing Public Public Works crews reline approximately 300 linear meters of canal each year 9 9

10 Canal Water Concerns: Open Open canal vulnerable to contamination pesticide spray drift vandalism animals 10 10

11 Oliver Water System Overview The canal includes some interesting structures eg. Flume Flume structures ft long inverted syphon beneath downtown core constructed of 60 inch diameter steel pipe 11 11

12 Oliver Water System Overview Total Inventory Cont d: Five pumping stations on canal Hp to 500 hp per station 12 12

13 Oliver Water System Overview Total Inventory Cont d: Eight Eight well sites Some Some with multiple wells 13 13

14 Oliver Water System Overview Total Inventory Cont d: Six Six water reservoirs varying from 2,000 to 300,000 gallons Over Over 100 km of buried pipeline 14 14

15 Oliver Water System Overview Water System Services: 4,1734,173 acres irrigation 3,1163,116 acres pressurized acres low pressure 3,3683,368 residential customers 2,778 well water all year 590 well water in winter/canal in summer commercial/institutional customers 15 15

16 Water Service Areas Town and North Blue = in-town system Pink = rural canal service 16 16

17 Water Service Areas Town and South Blue = in-town system Pink = rural canal service Green = rural well service 17 17

18 Rural Twinning Goal: Goal: Supply year round well water to 590 homes in Rural Oliver Total Total cost $8.9 Million Phase I has been approved - $3.1 Million Well Well water used indoors only.. Surface water continued to be used outdoors All All twinned connections to be metered 18 18

19 Rural Twinning Phase I Twinning includes: 11 new well 500 gpm capacity cu.m.. (150,000 gallon) reservoir 1515 kilometers of new domestic water main 19 19

20 Rural Twinning Next Phases Includes: 22 wells 11 reservoir Approximately 30 km of pipeline Metering Metering of all existing municipal (In-Town) services 20 20

21 Integrated Water Management Initiatives Water Metering: Since Since 2003 all new commercial, industrial, institutional and residential connections have been metered To To date, there has not been any metering of any agricultural service Peak Peak agricultural demand is currently regulated by a flow control valve on each service 21 21

22 Integrated Water Management Initiatives Use Use of Reclaimed Water 100% 100% of wastewater reclaimed and used for irrigation purposes 22 22

23 Integrated Water Management Initiatives Reclaimed Water Customers Include: 1 18 hole golf course 1 Vineyard 1 Hobby Farm 1 Municipal Park 1 Municipal Cemetery 1 Public Works Yard 1 Hayfield on Airport (2006) 23 23

24 Integrated Water Management Initiatives Additional Reclaimed Water Use Provides Provides secondary means of fire protection through Town core 24 24

25 Integrated Water Management Initiatives Storm Water Disposal: Town Town utilizes drywells for storm water disposal where feasible Total Total of approx 330 Catch Basins in Town Approx Approx 220 discharge to drywells Approx Approx 110 discharge to streams (ie.. Okanagan River) 25 25

26 Consumption Data In-Town Consumption Data (Litres /Per Capita / Day) Oliver Osoyoos Penticton Note: - numbers require confirmation - numbers based on all use (industrial, commercial, institutional and residential - Penticton numbers from Carolyn Stewart - Osoyoos numbers from TRU - Oliver numbers derived from March 20, 2006 memo from TRU 26 26

27 Consumption Data Total Annual In-Town vs Rural Consumption: Total Annual In Town Water Consumption 698,274,000 us gal or 2.64 million cu.m 564,504,000 us gal or 2.13 million cu.m 551,434,000 us gal or 2.08 million cu.m Total Annual Rural Water Consumption 5,313,401,150 us gal or million cu.m 4,254,769,750 us gal or million cu.m 4,234,200,950 us gal or 16.0 million cu.m Water Consumption in the Rural area is approximately 8 times the In-Town Consumption 27 27

28 Consumption Data Total Surface Water Consumption vs Ground Water Consumption Total Annual Surface Water Consumption (Not including low pressure users) 4,673,866,750 us gal or million cu.m 3,710,766,450 us gal or million cu.m 3,638,755,150 us gal or million cu.m Total Annual Ground Water Consumption 1,337,808,400 us gal or 5.06 million cu.m 1,108,507,300 us gal or 4.19 million cu.m 1,146,879,800 us gal or 4.34 million cu.m Approximately 22% of total water supply comes from ground water and 78% from surface water 28 28

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