WATER TREATMENT & DELIVERY

Water Reclamation
April 29, 2021
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Before a drop of our water ever comes out of your faucet, it undergoes a rigorous, eight-step process at one of our two plants. We use state-of-the-art technology at every stage and test our water to ensure that it meets all water quality requirements.

Click on each component below to learn more about UTRWD's water treatment process:
WATER TREATMENT & DELIVERY
1. Pumping to Treatment.
Raw water is pumped out of one of our source lakes to a treatment plant.
2. Coagulation
The untreated water is rapidly mixed with chemicals called coagulants (polymers, ferric sulfate, sodium hypochlorite). These chemicals cause the dirt and debris (sediment) in the water to bind together, making them easier to remove.
3. Flocculation and Sedimentation
In another tank, the water is mixed more slowly, bringing smaller sediment particles together into larger clumps called “floc.” The water then moves into a large basin, where the heavy “floc” particles settle to the bottom and are removed.
4. Ozone Treatment
Ozone gas is injected as a powerful disinfectant to kill harmful microorganisms and improve the water’s odor and taste.
5. Filtration
The water travels through a filter of activated carbon and sand to remove any remaining impurities.
6. Disinfection
A small amount of chloramine (chlorine + ammonia) is added to keep water free of bacteria and microbes as it travels through the pipeline system.
7. Treated Water Storage
The fully treated drinking water is stored in underground storage tanks (clearwells) and pumped to customers as needed.
8. Drinking Water Delivered to Customers
As water moves through miles of pipeline, it is continuously monitored to ensure the water is safe to drink at homes, schools and businesses.
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Our plants, pumps and pipelines have the ability to treat up to 90 million gallons of water every day (MGD): 70 MGD at Tom Taylor Plant and 24 MGD at Tom Harpool Plant (which has also been designed for expansion up to 24 MGD). UTRWD treats and delivers an average of 24 million gallons of water per day, or 9 billion gallons per year. The amount of water we treat fluctuates with the seasons. During the winter, UTRWD treats on average 15 million gallons per day, reaching above 50 MGD during the summer. During 2018, UTRWD treated 65 million gallons in one day--an all-time high.

WATER TREATMENT & DELIVERY

Our Tom Taylor Water Treatment Plant in Lewisville uses ozone technology primarily to improve taste and odor, but also as a disinfectant. In the future, we expect to include ozone technology at the Tom Harpool Water Treatment Plant. We have received both the Best Tasting Water in the North Texas region and statewide awards numerous times for our Taylor Water Treatment Plant, as well as Outstanding Large Membrane Plant Award for our Harpool Water Treatment Plant.

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Delivering Your Water

Once it is treated, Upper Trinity Regional Water District (UTRWD) uses over 103 miles of pipeline to deliver its water to over 20 Members and Customers cities, towns and utilities.

Our Pipeline System Includes:
  • 2 pump stations (Stone Hill and Temple Dane)
  • 1 elevated storage tank/booster station
  • 3 water storage facilities

UTRWD's transmission pipelines extend from Justin to Celina and from Castle Hills to Sanger. Our Stone Hill Pump Station includes two ground storage tanks and a pump station. It delivers water to customers in the western portion of UTRWD's service area. The Temple Dane joint pump station and 1 million gallon storage facility is operated in partnership with Mustang Special Utility District and delivers to our northern service area. The elevated storage tank and booster pump station is used to increase pressure in the system when demand is particularly high.

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