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

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

Temple Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.006 mg/L

✓ Below action level

TDS

894.1 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 Temple, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Temple	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 Temple compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Temple, Texas	≈ 120–179 mg/L	68.1 ppt	🟠 Hard	reservoir
Belton, Texas	≈ 180+ mg/L	43.1 ppt	🔴 Very Hard	reservoir
Harker Heights, Texas	≈ 180+ mg/L	36.8 ppt	🔴 Very Hard	reservoir
Killeen, Texas	≈ 180+ mg/L	39.8 ppt	🔴 Very Hard	reservoir
Hewitt, Texas	≈ 120–179 mg/L	12.5 ppt	🟠 Hard	reservoir

National Benchmark

How Temple compares to the USA average

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

Local geology and source profile

Source: ReservoirTDS: 894.1 mg/LpH: 8.5

The City of Temple Utilities Department serves over 76,000 residents in Temple, Bell County, Texas. Drinking water is sourced exclusively from surface water drawn from the Leon River, south of Lake Belton, within the Brazos River Basin. The utility processes this water at municipal treatment facilities to meet EPA standards; while no specific treatment plant names are detailed in available reports, the system covers the city's neighborhoods, historic downtown district, and communities surrounding Scott & White Medical Center. Independent assessments note exceedances of health guidelines for certain contaminants within the service area.

The Leon River watershed feeds Temple's supply as part of the larger Brazos River Basin, assessed by the Texas Commission on Environmental Quality for susceptibility to contaminants. Central Texas geology features Cretaceous-period limestone-rich formations that naturally dissolve into the river water, creating elevated concentrations of calcium and magnesium. This rock influence produces substantial dissolved solids — recorded at 307 ppm — a mineralised profile shaped by carbonate bedrock dissolution rather than soft rainwater or siliceous sources, resulting in a hard supply.

Hard water in Temple causes scale buildup in pipes, water heaters, and dishwashers — the most affected appliances — with mineral deposits potentially causing significant annual damage if left untreated. Regular descaling, vinegar rinses for fixtures, and checking for white residue on glassware are recommended. A water softener is strongly recommended to prevent soap scum, dry skin, and plumbing clogs while extending appliance life. Temple's water earns a C overall score, with 12 contaminants above health guidelines including arsenic and Chromium-6, though legal EPA limits are met; skin absorption during showers poses additional exposure risk. Third-party testing confirms arsenic exceedances from natural soil, bedrock, and past coal ash activities; treatment includes standard surface water processes of filtration and disinfection.

Geology & Source: Leon River in the Brazos River Basin; Cretaceous limestone formations of Central Texas dissolve calcium and magnesium into surface water — hard supply with elevated mineral content and 307 ppm total dissolved solids

Other Texas Water Reports

Belton

≈ 180+ mg/L

🔴 Very Hard

Harker Heights

≈ 180+ mg/L

🔴 Very Hard

Killeen

≈ 180+ mg/L

🔴 Very Hard

Hewitt

≈ 120–179 mg/L

🟠 Hard

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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 Temple's water safe to drink?

Yes. Temple'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 Temple?

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

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