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<br />Thornton's Existing Water Conservation Program <br /> <br />The City has been actively involved in water conservation for many years. Current <br />practices are described below. <br /> <br />Thornton's Current Water Conservation Practices <br /> <br />No. Name Descrintion <br />1 Leak Detection & Repair/ Check system annually for evidence of water loss. Make repairs <br /> Unaccounted for Water as needed. <br />2 Svstem-Wide Metering Ensure full meterin/2; of system. <br />3 Xeriscape Demonstration Garden displays plants 1hat thrive locally and require minimal <br /> Garden water use. <br />4 Public Education Educate public on need to conserve water. <br />5 Pricing Encourage customers to conserve water through use of water <br /> rates. <br />6 Conservation and System- Ordinances that call1hr mandatory water use restrictions during <br /> Wide Emergency Regulations times of system-wide emergency. Prohibition of water waste. <br /> Require water savin/2; devices for new construction. <br />7 Conservation Coordination Designate water conservation duties among staff to implement <br /> conservation prOl!;11l1l1s. <br />8 Non-Potable Water Use Use of non-potable water for landscape irrigation. <br /> <br />Leak Detection and Repair/Unaccounted for Water (1) <br /> <br />The system is monitored annually for evidence of leaks. Repairs are made as needed. All <br />incoming water is measured at the treatment plants. The annual total of water entering <br />the plants is compared with the total delivered to customers. The difference between <br />these two measurements, minus all unmetered uses is considered unaccounted for water. <br />Unmetered uses include water system flushing, fire fighting, sewer flushing, street <br />sweeping, and treatment plant fiher backwash. Historical data for Thornton indicate a <br />modest amount of unaccounted water. The average annual unaccounted for water during <br />the years 1989 to 1995 is only 3%3 ofthe total water produced at the treatment plants. <br />American Water Works Association standards consider less than 100/0 loss as superior <br />.. __ _ _perf~!~ct:.___ __ _m _ ___ ___ ____._ __ _ _. _ __ _ m _ _ _ _ u__ ___ __'_ ___ <br /> <br />Unaccounted for Water <br /> <br />Year Unaccounted for Water <br />1991 0% <br />1992 1% <br />1993 4% <br />1994 7% <br />1995 5% <br />Source: Water and Wastewater Svstems Master Plan. June, 2000. <br /> <br />, Water and Wastewater Systems Master Plan. City ofThomton. 2000 <br /> <br />8 <br />