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Pecan Grove Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

mixed

pH Level

8.5

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

1067.6 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

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 Pecan Grove, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn Pecan GroveSoft Water CityEfficiency 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 Pecan Grove compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Pecan Grove, Texas≈ 120–179 mg/L10.7 ppt🟠 Hardmixed
Richmond, Texas167 mg/L331.7 ppt🟠 Hardreservoir
New Territory, Texas≈ 120–179 mg/L7.6 ppt🟠 Hardmixed
Four Corners, Texas≈ 120–179 mg/L9.6 ppt🟠 Hardmixed
Greatwood, Texas≈ 60–120 mg/L10.4 ppt🟡 Moderately Hardmixed

National Benchmark

How Pecan Grove compares to the USA average

BenchmarkHardnessAppliance Risk
Pecan Grove≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Pecan Grove's Water Unique?

Local geology and source profile

Source: MixedTDS: 1067.6 mg/LpH: 8.5

The Pecan Grove Municipal Utility District serves the Pecan Grove community in Fort Bend County, Texas, near Richmond and Rosenberg. Its primary water source is surface water drawn from Oyster Creek, which is then treated at the district's own facilities. This supply is supplemented by three groundwater wells that tap into the Gulf Coast Aquifers. The utility produces drinking water that consistently meets or surpasses EPA standards. These details are available to residents in annual Consumer Confidence Reports provided by SiEnviro lab services. The Oyster Creek watershed is part of the Brazos River basin, flowing through coastal prairie landscapes characterized by alluvial and deltaic deposits from the Quaternary period.

The groundwater originates from the Gulf Coast Aquifer system, specifically including the Chicot, Evangeline, and Jasper aquifers, all formed within unconsolidated sediments. This geological makeup, notably rich in calcareous materials and evaporites, naturally imparts a hard quality to the water. Minerals dissolve into the water as it percolates through these layers and flows underground. The surface water also picks up hardness minerals as it travels through the Oyster Creek watershed.

Homeowners in Pecan Grove often notice scale buildup in pipes, water heaters, dishwashers, and washing machines due to the hard water, which can reduce efficiency and shorten appliance lifespans. You might also find that soap doesn't lather as effectively, requiring more product, and that spots appear on glassware and fixtures after washing. To combat these issues and protect your plumbing, regular maintenance like deliming appliances and flushing water heaters is advised. Installing a water softener is also a highly recommended solution to mitigate these effects. Water quality reports confirm compliance with lead and copper rules, with no notable PFAS detections mentioned.

Geology & Source: Oyster Creek watershed; Gulf Coast Aquifers (Chicot, Evangeline formations); unconsolidated sands and calcareous sediments produce hard water

Other Texas Water Reports

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Frequently Asked Questions

Is Pecan Grove's water safe to drink?
Yes. Pecan Grove's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Pecan Grove?
At ≈ 120–179 mg/L (Hard), Pecan Grove's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.
How does Pecan Grove compare to the USA average?
The USA national average is 151 mg/L. Pecan Grove (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Pecan Grove is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

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.

Estimated

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.

Estimated

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.

Measured

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.

Modelled

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.

Calculated

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.