Whole House Water Softeners in Waxahachie

Waxahachie makes its own drinking water at two plants that stand on two different supplies. The plant at 1900 Howard Road sits beside Lake Waxahachie and treats what the lake's two intakes bring in. The second plant does not touch a lake at all. The Robert W. Sokoll plant is a membrane plant, rated at 20 MGD in the city's 2025 report, and it was built to take settled water straight off the Tarrant Regional Water District's raw-water pipeline, the line that carries the district's East Texas lake water toward Tarrant County. The city built the Sokoll plant together with Rockett Special Utility District, with a first phase of 20.5 million gallons a day that was expected to start up in April 2009. Bardwell Lake reaches the system by a longer route. The Trinity River Authority holds the water right in Bardwell and splits the lake's natural yield 55 percent to Ennis and 45 percent to Ellis County Water Control and Improvement District No. 1, which holds the supply for the city, and the district runs a raw-water pump station at Bardwell that pushes water up into Lake Waxahachie. The city's Bardwell contract is 4,320 acre-feet a year; it took 3,687 in the year the Authority's 2024 plan reports. In the state's facility records the Bardwell intake itself is carried as an emergency source.

None of that yields a hardness number for the city. The 2025 report prints disinfectant residuals, lead and copper, disinfection by-products, turbidity, organic carbon and the UCMR 5 results, and nothing on hardness, calcium or magnesium. What can be said is the kind of water it is. Every drop is reservoir water, and reservoir water carries the calcium and magnesium it collects from the land it drains, so the question is how much, and that differs by lake. For the Tarrant Regional half there are published neighbors: Mansfield, which treats the same Cedar Creek and Richland-Chambers water at its own plant, printed 114 ppm of hardness for 2025 and says its water normally runs 90 to 120 mg/L, and Fort Worth's 2025 wholesale data, with western lakes added to the mix, printed 108 to 150 ppm, or 6 to 9 grains. Those are their figures for their plants, not Waxahachie's. For Lake Waxahachie and Bardwell water we found no published hardness at all, so we will not guess one. One more point of chemistry: the membranes at the Sokoll plant filter out particles and microbes, and dissolved calcium and magnesium pass through them, so membrane treatment does not by itself soften the water.

At the tap, the city describes its distribution system as looped, with mains running 40 to 80 psi and 7,930,000 gallons of storage, so either plant can serve a given street, and the report does not say which neighborhoods lean on which plant. A home near the Howard Road plant is not guaranteed lake water, and a home across town is not guaranteed pipeline water. Hardness is minerals, not contamination, and the usual signs, spots on glassware and scale on fixtures, show up at the same mineral levels whichever plant made the water. With two unmeasured sources behind one set of mains, the free water test is the only way to put a number on your own tap, and that reading is what we size a softener to.

Sources: City of Waxahachie — 2025 Annual Water Quality Report · City of Waxahachie — Utilities · WaterWorld, April 5, 2007 — City of Waxahachie selects Siemens submerged membrane system · Tarrant Regional Water District — Water Supply · Trinity River Authority — Bardwell · City of Mansfield — 2025 Water Quality Report · City of Dalworthington Gardens — 2025 Annual Drinking Water Quality Report · EPA SDWIS — water system record, City of Waxahachie TX0700008 · EPA SDWIS — water system facilities (wells, intakes, plants, purchased-water connections)