Atascocita Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
mixed
pH Level
7.9
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
140 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 Atascocita, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Atascocita | 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 Atascocita compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Atascocita, Texas | ≈ 120–179 mg/L | 10 ppt | 🟠 Hard | mixed |
| Humble, Texas | ≈ 180+ mg/L | 30.3 ppt | 🔴 Very Hard | reservoir |
| New Caney, Texas | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Aldine, Texas | ≈ 120–179 mg/L | 5.8 ppt | 🟠 Hard | mixed |
| Cloverleaf, Texas | ≈ 120–179 mg/L | 10.8 ppt | 🟠 Hard | mixed |
National Benchmark
How Atascocita compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Atascocita | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Atascocita's Water Unique?
Local geology and source profile
HARRIS COUNTY MUD (Municipal Utility District) serves Atascocita, Texas, in Harris County, providing water to approximately 8,658 residents. The utility sources 86% of its supply from surface water, primarily the Trinity River feeding Lake Livingston and the San Jacinto River supplying Lake Conroe and Lake Houston reservoirs. The remaining 14% comes from deep groundwater wells tapping the Evangeline and Chicot aquifers. Treatment occurs at municipal plants with regular EPA reporting; latest data updated 2025-09-22 shows no MCL violations but one contaminant above health guidelines.
The watershed encompasses the lower Trinity and San Jacinto river basins within the Gulf Coastal Plain, where surface waters interact with permeable sands and clays before reservoir storage. Groundwater originates from the unconfined Chicot and semi-confined Evangeline aquifers, part of the expansive Gulf Coast Aquifer System spanning Texas. The regional geology features thick sequences of Tertiary and Quaternary sediments — including calcareous sands and shell fragments — which contribute dissolved minerals and result in a hard supply prone to natural mineral accumulation.
Hard to very hard water causes significant scale buildup in water heaters, dishwashers, washing machines, and plumbing fixtures, reducing efficiency and lifespan. Regular descaling of appliances, cleaning of aerators, and monitoring for spots on glassware or film on skin are recommended. A water softener is strongly advised to mitigate scale and mineral deposits. Water meets federal legal limits with no MCL violations; however, 1,2,3-Trichloropropane (TCP) exceeds EPA health guidelines based on third-party testing, likely from soil fumigants in groundwater, and certified filters are advised for vulnerable groups. Public meetings are held monthly at Atascocita Waste Water Treatment Plant.
Geology & Source: Trinity and San Jacinto River watersheds feeding Lake Livingston, Lake Conroe, Lake Houston; Evangeline and Chicot aquifers of Gulf Coast Aquifer System; Quaternary-Pleistocene calcareous sands and shell fragments dissolve calcium and magnesium —
Other Texas Water Reports
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Frequently Asked Questions
Is Atascocita's water safe to drink?
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How does Atascocita compare to the USA average?
Data Sources & Methodology
Water quality data for Atascocita 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.