How does Port Neches's water compare to the national average?

The USA national average is 151 mg/L. Port Neches (≈ 180+ mg/L) is 189 mg/L harder than average.

Port Neches Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.005 mg/L

✓ Below action level

TDS

678.7 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below · Updated 2026

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

Appliance	In Port Neches	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 Port Neches compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Port Neches, Texas	≈ 180+ mg/L	0 ppt	🔴 Very Hard	reservoir
Nederland, Texas	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir
Groves, Texas	≈ 180+ mg/L	0 ppt	🔴 Very Hard	reservoir
Port Arthur, Texas	≈ 180+ mg/L	5.5 ppt	🔴 Very Hard	reservoir
Vidor, Texas	≈ 120–179 mg/L	5.3 ppt	🟠 Hard	groundwater

National Benchmark

How Port Neches compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Port Neches	≈ 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 Port Neches's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 678.7 mg/LpH: 8.5

The City of Port Neches Public Water System provides water to about 12,000 residents in Port Neches, Jefferson County, Texas. Their supply comes from municipal wells that tap into the Chicot and Evangeline Aquifers, which are part of the larger Gulf Coast Aquifer System. This groundwater is then treated at the city's Water Treatment Plant before being distributed throughout the city and some nearby areas in Southeast Texas. Although the Neches River watershed is in the region, the primary source for Port Neches is this groundwater.

The Gulf Coast Aquifer System in this area is composed of layered sands and clays from the Tertiary period, resting above limestone formations. Specifically, the Chicot aquifer consists of younger Pleistocene sands, while the Evangeline aquifer includes Miocene sands and clays. This geology is rich in calcareous shell beds and limestone. As groundwater percolates through these mineral-laden strata, it dissolves significant amounts of calcium and magnesium, naturally resulting in a hard water supply.

This very hard water can lead to substantial scale buildup in plumbing, water heaters, and fixtures, impacting the efficiency and lifespan of appliances like dishwashers and washing machines. Homeowners often find regular descaling, using vinegar for showerheads, and flushing hot water tanks are necessary maintenance steps. To truly combat these issues and improve soap lathering, installing a water softener is strongly recommended. The City of Port Neches Public Water System consistently meets EPA standards, with recent reports showing a pH between 7.5-8.0 and no concerning levels of lead, copper, or PFAS.

Geology & Source: Chicot and Evangeline Aquifers; Miocene/Pliocene sands, silts, clays with limestone and shell deposits impart significant hardness

Other Texas Water Reports

Nederland

≈ 120–179 mg/L

🟠 Hard

Groves

≈ 180+ mg/L

🔴 Very Hard

Port Arthur

≈ 180+ mg/L

🔴 Very Hard

Vidor

≈ 120–179 mg/L

🟠 Hard

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All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Port Neches's water safe to drink?

Yes. Port Neches's water meets all federal safety standards. The hardness is ≈ 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 Port Neches?

At ≈ 180+ mg/L (Very Hard), Port Neches'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 Port Neches compare to the USA average?

The USA national average is 151 mg/L. Port Neches (≈ 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 Port Neches 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

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.