Whole House Water Softeners in Lantana

Lantana's water arrives through one gate. The federal facility record for Denton County Fresh Water Supply District 7 (TX0610228) lists a single purchased source, surface water from Upper Trinity's regional treatment plant, a pump station at 869 Copper Canyon Road in Argyle with two 2.0 million gallon ground tanks and four 3,000 gallon-a-minute pumps, plus a 0.6 million gallon elevated tank at 950 Justin Road. The districts' 2025 report, issued jointly for Districts 6 and 7, describes the source as Upper Trinity water from Lake Lewisville and Lake Chapman, and the district's results are sampled at four addresses in the community: Kirby Drive, Cholla Boulevard, Christopher Street and Blanco Drive. The wholesaler's 70 million gallon a day Thomas E. Taylor plant in Lewisville, now growing to 85, handles the Lewisville and Ray Roberts water, and Jim Chapman Lake water piped in from Delta and Hopkins counties is split between Taylor and the Tom Harpool plant. The district's lines also serve as an emergency interconnect for Cross Timbers WSC next door on FM 407.

The report talks about hardness without measuring it. A section headed hard versus soft water explains that hardness is mostly calcium and magnesium, that it builds scale in pipes, appliances and fixtures, that softer water lets soap lather and helps water heaters and washing machines last, and that hardness is a quality matter rather than a safety one, with some households choosing a softener. What it does not do is print a number: the tables cover arsenic, atrazine, barium, bromate, chloramines at 2.72 ppm, fluoride at 0.26 ppm with a note that Upper Trinity adds none, haloacetic acids, nitrate, trihalomethanes, turbidity, lead, copper and a few PFAS compounds, and no line for hardness, for calcium or for magnesium. The wholesaler's 2025 report is no help either; it prints no hardness. For Lewisville and Ray Roberts water treated at Dallas's plants, Dallas's answer is 120 to 155 mg/L, moderately hard to hard by the USGS scale, in the neighborhood of 7 to 9 grains per gallon; the number is Dallas's, and this page prints none for Lantana.

With a single supplier and no wells, Lantana's water is the same across the community on any given day. What moves it is the lake, which gathers calcium and magnesium as it fills and shifts with rain and drought, and the district's note that every line was laid after 2000 with no lead or galvanized pipe means the mains add nothing of their own. The report's explainer tells you what to expect from hard water, white scale and dull laundry, and leaves the figure to you. The free water test measures a Lantana tap in grains and ppm, and the right softener is sized to the top of a lake-water year rather than to a spring average, so it keeps the water heater clean in August.

Sources: Denton County FWSD 6 and 7 · U.S. EPA Envirofacts SDWIS: water system facilities for TX0610228 · Upper Trinity Regional Water District: Water Treatment and Delivery · Upper Trinity Regional Water District: Water Projects · Upper Trinity Regional Water District 2025 Consumer Confidence Report · Cross Timbers WSC 2025 Consumer Confidence Report · City of Dallas memorandum, December 1, 2023: Community Water Fluoridation Follow Up