How does Seagoville's water compare to the national average?

The USA national average is 151 mg/L. Seagoville (≈ 120–179 mg/L) is 1 mg/L softer than average.

Seagoville Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.3

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

578.1 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 Seagoville, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Seagoville	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 Seagoville compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Seagoville, Texas	≈ 120–179 mg/L	102.9 ppt	🟠 Hard	reservoir
Balch Springs, Texas	≈ 180+ mg/L	134.8 ppt	🔴 Very Hard	reservoir
Forney, Texas	≈ 180+ mg/L	108.7 ppt	🔴 Very Hard	reservoir
Mesquite, Texas	≈ 60–120 mg/L	63.6 ppt	🟡 Moderately Hard	reservoir
Lancaster, Texas	≈ 120–179 mg/L	118.9 ppt	🟠 Hard	reservoir

National Benchmark

How Seagoville compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Seagoville	≈ 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 Seagoville's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 578.1 mg/LpH: 8.3

The City of Seagoville utility, reachable at 972-287-2050, provides water to residents in Dallas County. Their supply is surface water, likely drawn from Trinity River basin reservoirs and purchased from regional providers. Treatment occurs at municipal facilities using standard processes designed to meet EPA standards, serving the city's population through distribution in the Seagoville area southeast of Dallas.

The watershed encompasses the Trinity River system, where surface waters interact with Cretaceous-age limestone and sandstone formations of the Trinity Group. These geological layers impart a mineralised profile to the water through natural dissolution processes. The regional aquifer influences, though primarily surface-sourced, contribute to the moderately hard character via prolonged contact with carbonate bedrock in the drainage basin.

This moderately hard water can lead to scale buildup in appliances like water heaters and dishwashers, reducing their efficiency over time. Faucet aerators and showerheads may also clog, prompting more frequent cleaning. Homeowners often find that periodic descaling with vinegar solutions helps manage this. For households noticing soap scum or spotting on dishes, a water softener is frequently recommended to extend appliance life and improve laundry results. While the utility maintains compliance with EPA legal limits, filters can offer added peace of mind.

Geology & Source: Cretaceous limestone and dolomite; carbonate-rich rocks dissolve calcium and magnesium ions, creating moderate hardness

Other Texas Water Reports

Balch Springs

≈ 180+ mg/L

🔴 Very Hard

Forney

≈ 180+ mg/L

🔴 Very Hard

Mesquite

≈ 60–120 mg/L

🟡 Moderately Hard

Lancaster

≈ 120–179 mg/L

🟠 Hard

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 Seagoville's water safe to drink?

Yes. Seagoville'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 Seagoville?

At ≈ 120–179 mg/L (Hard), Seagoville'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 Seagoville compare to the USA average?

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