D
45

Poor Water Quality

Mart, TX 76664

Mclennan County · Population served: 9,710 · Data updated March 2026

Water Systems Serving This Area

🌊
TRI COUNTY SUD
Groundwater · Pop. 5,353
PWSID: TX0730004
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CITY OF MART
Surface water · Pop. 1,846
PWSID: TX1550005
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H & H WSC
Groundwater · Pop. 1,767
PWSID: TX1550029
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M S WSC
Groundwater · Pop. 744
PWSID: TX1550037

Violation History (Last 5 Years)

193Total (5yr)
165Health-Based
20Major

Water Quality Summary

Understanding Your Water in Mart

Tap water quality in Mart, Texas (76664) receives an overall grade of D (Poor) with a score of 45 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 24 points below the Texas state average of 68. Compared to the national average (75), this area scores significantly lower. The area is served by 4 water systems providing water to approximately 9,710 people, using surface water and groundwater sources. Over the past 5 years, water systems here have accumulated 193 violations, including 165 health-based violations.

Your Score 45/100 D
vs State 24 pts below Texas avg (68)
vs National 30 pts below national avg (75)

What a Grade D Means

A score of 45/100 signals poor water quality in Mart, TX. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Tap water in Mart, Texas receives a grade of D (Poor) with a score of 45/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 76664 is served by 4 water systems using surface water, groundwater sources, providing water to approximately 9,710 people. Multiple source types mean your water may come from a blend of surface and underground sources.

No lead data is currently available for ZIP code 76664. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.

No PFAS ("forever chemicals") were detected in water systems serving Mart, Texas during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Mart, Texas have received 193 violations in the last 5 years, including 165 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Water in Mart, Texas shows no major contaminant concerns based on available data. A basic carbon filter can improve taste and reduce chlorine. For extra peace of mind, an NSF-certified pitcher filter or faucet-mount filter provides an affordable layer of protection.

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