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Groves Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated Β· not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.008 mg/L

βœ“ Below action level

TDS

1270.7 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below Β· Updated 2026

very hard180+ mg/LVery Hard Β· 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 Groves, your appliances are currently losing 45% efficiency due to mineral buildup.

ApplianceIn GrovesSoft Water CityEfficiency 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 Groves compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
β–Ά Groves, Texasβ‰ˆ 180+ mg/L0 pptπŸ”΄ Very Hardreservoir
Port Neches, Texasβ‰ˆ 180+ mg/L0 pptπŸ”΄ Very Hardreservoir
Port Arthur, Texasβ‰ˆ 180+ mg/L5.5 pptπŸ”΄ Very Hardreservoir
Nederland, Texasβ‰ˆ 120–179 mg/L0 ppt🟠 Hardreservoir
Vidor, Texasβ‰ˆ 120–179 mg/L5.3 ppt🟠 Hardgroundwater

National Benchmark

How Groves compares to the USA average

BenchmarkHardnessAppliance Risk
β–Ά Grovesβ‰ˆ 180+ mg/LπŸ”΄ High
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟒 None

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What Makes Groves's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 1270.7 mg/LpH: 8.5

The City of Groves Water Utility provides service to about 15,656 residents in Groves, Texas, a community situated in Jefferson County near Port Arthur and the Sabine-Neches industrial corridor. The utility draws its supply from surface water sources within the Sabine-Neches Basin watershed. This lowland river system, which drains into Sabine Lake on the Gulf Coast, undergoes conventional treatment processes. These include coagulation, sedimentation, filtration, and disinfection using chloramination. The City of Groves Water Utility can be reached at 409-960-5775 or for emergencies at 409-960-5718. Their mailing address is 3947 Lincoln Ave, Groves, TX 77619. The 2024 Consumer Confidence Report is available on cigrovestx.com.

The water originates from the Sabine-Neches Basin watershed, a region characterized by lowland rivers flowing into Sabine Lake. This supply travels through Quaternary coastal plain sediments that lie atop older Tertiary formations, such as the Jackson Group shales and limestones. These particular rock layers are rich in carbonate minerals, which dissolve into the water. This geological interaction results in a hard water supply, a common characteristic for surface waters found along the Gulf Coast and influenced by factors like evaporative concentration and mineral leaching within the flat, sediment-heavy terrain.

This very hard water can lead to significant scale buildup in household plumbing, water heaters, dishwashers, and washing machines. Such accumulation not only reduces the efficiency of these appliances and potentially shortens their lifespan but also contributes to higher energy bills. Homeowners might notice soap scum in showers, leading to dry skin, and stubborn spots appearing on fixtures. While regular descaling with vinegar, using low-flow aerators, and employing magnetic conditioners can help, a whole-house water softener is often recommended to effectively exchange minerals and prevent appliance damage. The utility's 2024 CCR, available through TCEQ, confirms compliance with primary health standards despite noting some contaminants above secondary guidelines.

Geology & Source: Gulf Coastal Plain Pleistocene/Holocene sediments; Eocene/Miocene limestone and shale impart high hardness

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Frequently Asked Questions

Is Groves's water safe to drink?
Yes. Groves's water meets all federal safety standards. The hardness is β‰ˆ 180+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Groves?
At β‰ˆ 180+ mg/L (Very Hard), Groves'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 45%.
How does Groves compare to the USA average?
The USA national average is 151 mg/L. Groves (β‰ˆ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Groves 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 β€” 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 β€” values may differ from utility-reported figures.

Estimated

TDS β€” 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 β€” Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) β€” 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 β€” 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.