Brownwood Water Hardness & Quality Report (2026)
Water Hardness
180+ mg/L
Very Hardestimated · not lab-verified
Source
reservoir
pH Level
8
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
579 mg/L
Est. Daily Cost
$0.91
energy & soap waste
Source: See methodology section below · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Brownwood, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Brownwood | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Brownwood compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Brownwood, Texas | ≈ 180+ mg/L | 31.3 ppt | 🔴 Very Hard | reservoir |
| Stephenville, Texas | 314 mg/L | 0 ppt | 🔴 Very Hard | reservoir |
| Abilene, Texas | 240 mg/L | 1121.3 ppt | 🔴 Very Hard | reservoir |
| Copperas Cove, Texas | ≈ 120–179 mg/L | 36.8 ppt | 🟠 Hard | reservoir |
| Gatesville, Texas | ≈ 120–179 mg/L | 8 ppt | 🟠 Hard | reservoir |
National Benchmark
How Brownwood compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Brownwood | ≈ 180+ mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Brownwood's Water Unique?
Local geology and source profile
The City of Brownwood Public Water System serves Brownwood and surrounding areas in Brown County, Texas, primarily sourcing raw water from Lake Brownwood reservoir on the Colorado River. Water is treated at the city's conventional filtration plant using chloramines for disinfection. The Brookesmith Special Utility District and Brown County Water Improvement District also draw from Lake Brownwood, performing monthly chemical analyses. The system holds a Superior rating from the state of Texas. Contact the utility at 325-646-5775 or PO Box 1389, Brownwood, TX 76804.
Lake Brownwood lies in the upper Colorado River watershed amid the Edwards Plateau's karst landscape of Cretaceous-age limestones and dolomites. These formations, including the Glen Rose Limestone, naturally dissolve to release calcium and magnesium, yielding a hard supply prone to mineral buildup. The reservoir captures runoff from limestone-rich hills, enhancing the mineralised profile without significant softening from vegetation or peat — a water character typical of Texas Hill Country reservoirs.
Very hard water promotes significant scale accumulation in pipes, water heaters, dishwashers, washing machines, and coffee makers, with potential 20-50% efficiency losses from calcium deposits. Regular vinegar descaling, low-flow aerators, and scale-inhibiting filters help mitigate issues. A whole-house water softener is strongly recommended to exchange hardness ions, protecting appliances and improving soap efficiency while reducing spotting on dishes and skin dryness. The 2024 Consumer Confidence Report confirms turbidity compliance, no lead/copper violations, and Lake Brownwood was 81.8% full as of May 2026; no PFAS data found.
Geology & Source: Colorado River watershed, Brown County TX — Edwards Plateau Cretaceous Glen Rose Limestone and Paluxy formations; karst dissolution of calcium and magnesium carbonates yields characteristically hard reservoir supply
Other Texas Water Reports
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Frequently Asked Questions
Is Brownwood's water safe to drink?
Do I need a water softener in Brownwood?
How does Brownwood compare to the USA average?
Data Sources & Methodology
Water quality data for Brownwood is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.