Thomaston, TX Water Safety: 65/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
If you're checking Thomaston, TX tap water safety, the short answer is: average — violations are present in parts of the city and specifics depend on which water system serves your address.
How Thomaston Compares
Data: EPA SDWIS Last verified: 2026-06-03
Thomaston Water: The Quick Version
- Estimated remediation: $1,800 per household.
- CDC health risk index: 14.61 — above typical levels.
Water Systems Serving Thomaston
A single dominant system supplies most of Thomaston, TX. That utility controls infrastructure decisions, rate structures, and EPA compliance reporting for most residential addresses served across those 1 tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Thomaston, Texas, covering 1 community water system serving approximately 66,932 people.
No EPA violations recorded across any ZIP codes in Thomaston — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Thomaston: C (65/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Thomaston water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Thomaston
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 77989 | C | CITY OF VICTORIA | 66,932 |
All ZIP Codes in Thomaston
- 77989 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Thomaston
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Climate-Related Water Risk for Thomaston
Within the NFIP's national dataset, Thomaston falls in moderate-exposure territory — 21 documented incidents spanning multiple decades, with 100% of local ZIP codes sitting inside FEMA flood boundaries. That combination warrants inclusion in any thorough local water quality review.
Thomaston has a moderate flood history with 21 FEMA claims averaging $26,585 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Thomaston
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Thomaston, TX