C
67

Fair Water Quality

Poteet, TX 78065

Atascosa County · Population served: 2,147,108 · Data updated March 2026

Water Systems Serving This Area

🌊
CITY OF POTEET
Groundwater · Pop. 3,396
PWSID: TX0070005
🌊
MCCOY WSC
Groundwater · Pop. 9,621
PWSID: TX0070023
🏔
SAN ANTONIO WATER SYSTEM
Surface water · Pop. 2,113,151
PWSID: TX0150018
🌊
BENTON CITY WSC
Groundwater · Pop. 20,940
PWSID: TX1630034

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
2.9
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

4 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
6:2 FTS119.0 pptNo standardUnregulated
PFBA9.2 pptNo standard500 pptUnregulated
PFBS3.8 ppt2000 ppt100 pptBelow limit
PFPeA3.2 pptNo standardUnregulated

Violation History (Last 5 Years)

34Total (5yr)
1Health-Based
2Major

Water Quality Summary

Understanding Your Water in Poteet

Tap water quality in Poteet, Texas (78065) receives an overall grade of C (Fair) with a score of 67 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Texas state average of 68. The area is served by 4 water systems providing water to approximately 2,147,108 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 4 compounds, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 34 violations, including 1 health-based violations.

Your Score 67/100 C
vs State 2 pts below Texas avg (68)
vs National 8 pts below national avg (75)

What a Grade C Means

A score of 67/100 indicates fair water quality in Poteet, TX. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

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

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Poteet, Texas receives a grade of C (Fair) with a score of 67/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 78065 is served by 4 water systems using surface water, groundwater sources, providing water to approximately 2,147,108 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 2.9 ppb in Poteet, Texas. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

4 PFAS compounds were detected in water serving Poteet, Texas, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Poteet, Texas have received 34 violations in the last 5 years, including 1 health-based violation. 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.

Based on detected contaminants (lead, PFAS), residents in Poteet, Texas should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

Explore Nearby

Water Quality in Nearby ZIP Codes