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Water Hardness in Ovilla, TX

Texas · 1 zip codes · 13 matched water systems

150 PPM
8.8 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 207 PPM

Dataset updated March 9, 202613 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
City Of Glenn Heights
TX0570085
Water source: surface water
Serves: 18,718
USGS environmental estimate: 262 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 13 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
13 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Ovilla

These systems are matched to Ovilla, TX. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

13 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
City Of Waxahachie
TX0700008
Moderately Hard
125 PPMsurface water50,814 servedEstimated — County Avg
Rockett Sud
TX0700033
Very Hard
262 PPMsurface water46,614 servedEstimated — Nearby Data
City Of Midlothian
TX0700005
Very Hard
262 PPMsurface water27,699 servedHigh Confidence — USGS Monitoring
City Of Ennis
TX0700001
Moderately Hard
125 PPMsurface water24,891 servedEstimated — County Avg
Mountain Peak Sud
TX0700042
Very Hard
262 PPMsurface water23,988 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Ovilla, TX

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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Frequently Asked Questions

How hard is the water in Ovilla, TX?

The citywide weighted average water hardness in Ovilla, TX is 207 PPM (12.1 GPG), classified as hard. This is based on 13 matched water systems. The gauge highlights City Of Glenn Heights, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Ovilla, TX?

With a citywide average hardness of 207 PPM, a water softener is recommended for homes in Ovilla. Confirm your tap reading before sizing equipment.

Is hard water in Ovilla, TX safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Ovilla, TX?

Ovilla, Texas is served by 13 matched water systems across 1 zip code.

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