Sugar Land Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
reservoir
pH Level
7.9
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
352.9 mg/L
Est. Daily Cost
$0.40
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 Sugar Land, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Sugar Land | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Sugar Land compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Sugar Land, Texas | ≈ 120–179 mg/L | 1894.2 ppt | 🟠 Hard | reservoir |
| New Territory, Texas | ≈ 120–179 mg/L | 7.6 ppt | 🟠 Hard | mixed |
| Four Corners, Texas | ≈ 120–179 mg/L | 9.6 ppt | 🟠 Hard | mixed |
| Stafford, Texas | ≈ 180+ mg/L | 209.1 ppt | 🔴 Very Hard | reservoir |
| Greatwood, Texas | ≈ 60–120 mg/L | 10.4 ppt | 🟡 Moderately Hard | mixed |
National Benchmark
How Sugar Land compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sugar Land | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
Bring Scarsdale-quality water to your Sugar Land home
Shop water softeners on Amazon.com →
What Makes Sugar Land's Water Unique?
Local geology and source profile
The City of Sugar Land Public Works Department manages the water utility serving Sugar Land in Fort Bend County, Texas, with a population of about 110,000 across areas including Greatwood, Main System, New Territory, and River Park. Primary supply comes from twelve groundwater plants tapping the Gulf Coast Aquifer, each producing 3–12 million gallons per day. Since 2013, a 10.85-MGD Surface Water Treatment Plant (SWTP) blends treated surface water from Oyster Creek (18,000 AFY water right), the Gulf Coast Water Authority (10 MGD from the Brazos River), and the Brazos River Authority (6,388 AFY), distributed via blending before customer delivery.
The watershed encompasses the lower Brazos River basin and Oyster Creek, draining through coastal plains over the underlying Gulf Coast Aquifer. This aquifer features Tertiary-Quaternary sands and clays reaching depths over 1,200 feet, while the river cuts through Cretaceous limestones and Tertiary sediments. Prolonged contact with carbonate-rich rocks leaches calcium and magnesium into groundwater; blended river water slightly dilutes but preserves the overall mineralised profile typical of the region, producing a hard supply prone to scale formation.
Moderately hard water in Sugar Land causes scale buildup on fixtures, faucets, glassware, and inside pipes, reducing water heater efficiency by up to 20–30% over time. Dishwashers, washing machines, and coffee makers are most affected, leading to higher energy bills and increased cleaning needs. Regular vinegar descaling, low-flow aerators, and a whole-home water softener are recommended for households — especially in groundwater-dominant zones — to extend appliance life and improve soap efficiency. Sugar Land's water earned recognition as 'best in the U.S.' from the American Water Works Association; the utility meets EPA lead/copper rules via corrosion control and monitors haloacetic acids, trihalomethanes, and nitrates at safe levels, with annual Consumer Confidence Reports confirming compliance.
Geology & Source: Gulf Coast Aquifer — Tertiary-Quaternary sands and clays (Miocene to Pleistocene); prolonged carbonate contact leaches calcium and magnesium; Brazos River cuts through Cretaceous limestones — blended supply retains hard character
Other Texas Water Reports
Report an Issue
Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.
All reports are reviewed by our team. Thank you for supporting data quality!
Frequently Asked Questions
Is Sugar Land's water safe to drink?
Do I need a water softener in Sugar Land?
How does Sugar Land compare to the USA average?
Data Sources & Methodology
Water quality data for Sugar Land 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.