B
82

Good Water Quality

Grandfalls, TX 79742

Ward County · Population served: 395 · Data updated March 2026

Water Systems Serving This Area

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CITY OF GRANDFALLS
Groundwater · Pop. 395
PWSID: TX2380003

Violation History (Last 5 Years)

13Total (5yr)
0Health-Based
2Major

Water Quality Summary

Understanding Your Water in Grandfalls

Tap water quality in Grandfalls, Texas (79742) receives an overall grade of B (Good) with a score of 82 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 14 points above the Texas state average of 68. The area is served by City Of Grandfalls, a groundwater system providing water to approximately 395 people. The area has 13 violations over the past 5 years, though none were classified as health-based.

Your Score 82/100 B
vs State 14 pts above Texas avg (68)
vs National 7 pts above national avg (75)

What a Grade B Means

A score of 82/100 means the water in Grandfalls, TX is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Groundwater: drawn from underground aquifers via wells

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Grandfalls, Texas receives a grade of B (Good) with a score of 82/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 79742 is served by 1 water system using groundwater sources, providing water to approximately 395 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

No lead data is currently available for ZIP code 79742. 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 Grandfalls, 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 Grandfalls, Texas have received 13 violations in the last 5 years. 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 Grandfalls, 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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