D
36

Poor Water Quality

Kerrville, TX 78028

Kerr County · Population served: 35,289 · Data updated March 2026

Water Systems Serving This Area

🏔
CITY OF KERRVILLE
Surface water · Pop. 23,489
PWSID: TX1330001
🌊
INGRAM WATER SUPPLY
Groundwater · Pop. 5,955
PWSID: TX1330011
🌊
LOMA VISTA WATER SYSTEM
Groundwater · Pop. 3,720
PWSID: TX1330041
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HILL COUNTRY RANCH ESTATES
Surface water · Pop. 57
PWSID: TX1330083
🌊
WOODS WSC
Groundwater · Pop. 315
PWSID: TX1330085

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
7.4
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA3.2 pptNo standardUnregulated

Violation History (Last 5 Years)

446Total (5yr)
147Health-Based
218Major

Water Quality Summary

Understanding Your Water in Kerrville

Tap water quality in Kerrville, Texas (78028) receives an overall grade of D (Poor) with a score of 36 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 32 points below the Texas state average of 68. Compared to the national average (75), this area scores significantly lower. The area is served by 13 water systems providing water to approximately 35,289 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 1 compound, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 446 violations, including 147 health-based violations.

Your Score 36/100 D
vs State 32 pts below Texas avg (68)
vs National 39 pts below national avg (75)

What a Grade D Means

A score of 36/100 signals poor water quality in Kerrville, 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

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 Kerrville, Texas receives a grade of D (Poor) with a score of 36/100. 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 78028 is served by 13 water systems using surface water, groundwater sources, providing water to approximately 35,289 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 7.4 ppb in Kerrville, 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.

1 PFAS compound were detected in water serving Kerrville, 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 Kerrville, Texas have received 446 violations in the last 5 years, including 147 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.

Based on detected contaminants (lead, PFAS), residents in Kerrville, 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.

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