Whole House Water Softeners in Justin
For over 55 years, Texas Water House has been North Texas’s trusted partner for premium whole house water softener systems. Our custom-designed water softening solutions protect your home’s plumbing, extend appliance life, and deliver silky-soft water to every tap in your home. Whether you’re concerned about hard water, dry skin, or the long-term health of your plumbing system, our whole house water softeners provide comprehensive protection.
Northern Texas
service area
At Texas Water House, we are committed to delivering outstanding water solutions to a wide array of locations across Northern Texas. Our services are designed to meet the unique needs of each community, ensuring access to clean, safe, and high-quality water for both residential and commercial clients. Trust Texas Water House to be your partner in ensuring the highest standards of water quality and service excellence in the greater DFW area.
HOW HARD IS JUSTIN’S WATER?
Full Justin water report ↗Whole house water filtration in Justin ↗Bottled water delivery in Justin ↗Justin.
No hardness figure on file for Justin yet.
Justin buys all of its water from the Upper Trinity Regional Water District, lake water from Lewisville and Jim Chapman lakes, and neither the city's report nor the district's prints a hardness figure.
COMMON SIGNS OF HARD WATER
What each grain per gallon looks like at home.
With no figure for Justin, the signs are the measure. Three or more of these, and the free water test will put a number on it.
Cloudy glassware and white spots the dishwasher cannot rinse off: the minerals that dry out of every gallon.
The white crust is limescale. It narrows spray holes and seizes aerators and valves.
Calcium and magnesium react with soap before it foams: more soap, and scum on tubs and shower doors.
The same soap curd settles on skin and hair and does not rinse away.
Minerals bind to fabric and detergent. Towels come out stiff, whites go grey, colors fade sooner.
Scale coats heating elements and clogs small valves, so appliances work harder and fail sooner.
JUSTIN’S WATER, BY HARDNESS
Purchased lake water from the Taylor plant, with no hardness figure printed
Justin's water system has no wells of its own in service. Its 2025 water quality report lists a single source, treated surface water purchased from the Upper Trinity Regional Water District's regional plant, and the district's table in the same report names that source as Lewisville and Chapman lakes in Denton, Delta and Hopkins counties. The district's Thomas E. Taylor plant in Lewisville does the treating: coagulation with ferric sulfate and polymer, settling, ozone for taste and odor, filtration through activated carbon and sand, then chloramine for the trip through the pipes. From there the water moves through more than 103 miles of district transmission main, one leg of which the district describes as running from Justin to Celina, with the Stone Hill pump station and its two ground storage tanks serving the western service area. The district's own report notes that the Taylor plant is being enlarged from 70 to 85 million gallons a day while the Tom Harpool plant in northeast Denton County doubles from 30 to 60.
Because there is no well water to blend in, Justin's tap water is Upper Trinity's water and nothing else. Reservoir water carries the calcium and magnesium that runoff gathers from soil and rock on its way to the lake, so it is not the soft water that deep wells can give, but how hard it is depends on the lake and the year, and neither document available for Justin puts a number on it. The city's report prints disinfectant residuals, disinfection by-products, nitrate and a PFAS screening and no secondary constituents table. Upper Trinity lists hardness among the parameters it tests on its water quality page, yet its 2025 report prints no result for it. The nearest printed figure for lake water in this part of the county is Fort Worth's, 108 to 150 ppm in 2025, published in Northlake's report for the Fort Worth side of that town; it is a different utility's water from different lakes and is offered only as a sense of the scale, not as Justin's figure.
What changes at a Justin tap is mostly season and plant load. Upper Trinity treats about 15 million gallons a day in winter and more than 60 in summer, most of the difference going to lawns, and its record day was 95.2 million gallons in 2023. Lake levels and which plant is carrying the load can move the mineral content from one month to the next, but a city on a single wholesale supply has no second water to average against, so every Justin home gets much the same water on a given day. We will not invent a figure for it. The free water test puts Justin's number in grains on your own faucet, and a softener is sized to that reading, not to a regional guess.
Sources: City of Justin 2025 Annual Drinking Water Quality Report · Upper Trinity Regional Water District, Water Treatment and Delivery · Upper Trinity Regional Water District, Water Sources · Upper Trinity Regional Water District 2025 Consumer Confidence Report · Upper Trinity Regional Water District, Water Quality · Town of Northlake Water Quality Report 2025
HOW A SOFTENER WORKS
Ion exchange, salt and regeneration.
One tank of resin, one tank of salt, and a valve that runs the cycle.
Resin beads hold sodium ions. Calcium and magnesium swap onto the beads as water passes, and the water leaves at close to zero grains.
When the beads fill up, brine from the salt tank rinses the hardness to the drain and reloads the sodium, metered by the gallons you use.
Calcium, magnesium and a little dissolved iron. Not chlorine, chloramine, PFAS, lead or taste: that is a filter’s job, so see whole house water filtration for Justin, and a reverse osmosis tap or bottled water delivery for drinking water.
A salt-free water conditioner turns hardness into crystals that stay in the water instead of on heaters and pipes: no salt, no drain, less scale, no relief for soap and skin.
HARDNESS QUESTIONS, ANSWERED
The hard water FAQ for Justin.
Is Justin’s water hard?
Justin's water is lake water from the Upper Trinity Regional Water District with no well water blended in, and neither the city's 2025 report nor the district's prints a hardness figure we could read. Lake water in North Texas typically lands in the moderately hard to hard bands, but only the free water test gives Justin's actual number.
Is hard water safe to drink?
Yes. Hardness is calcium and magnesium, minerals with no federal drinking-water limit. It is a plumbing, appliance, soap and skin problem, not a health one.
Does a softener make my water salty?
No. The salt goes down the drain at regeneration; the water carries a little sodium in proportion to the hardness removed, which a reverse osmosis tap removes again.
THE SOURCE MATTERS
Where the number comes from.
Each figure is read from the document linked beside it, in its own units and period. A missing result stays missing; a range stays a range.
Hardness result
None on file for Justin.
Utility of record: City of Justin · PWS TX0610003
Checked: EWG Tap Water Database entry ↗ (2018-2024), Justin water quality report ↗ (2025). They hold 8 results for Justin: Haloacetic acids (HAA5) 6.34 ppb; Total trihalomethanes (TTHMs) 16.6 ppb; Chloramines 2.37 mg/L; Perfluorobutane sulfonate (PFBS) 2.37 ppt; Perfluorobutanoic Acid (PFBA) 7.97 ppt; Perfluorohexanoic Acid (PFHxA) 4.43 ppt; Perfluoropentanoic Acid (PFPeA) 5.07 ppt; Lead — 90th percentile 0 ppb. None is a hardness result.
Hardness scale
USGS Water Science School: hardness of water ↗
USGS hardness scale, mg/L as CaCO3: soft 0 to 60; moderately hard 61 to 120; hard 121 to 180; very hard over 180.
FREE WATER TEST IN JUSTIN
Start with a
free water test.
We measure the hardness at your tap, size the softener in grains to that number, and install it ourselves.