ZIP Code 78028 Water Quality Report
Kerrville, TX · Kerr County County
Water Safety Grade
Good — Minor issues on record
Health Violations
4
Total Violations
7
Lead Risk
High
Contaminants
1
Active Water Quality Issues Detected
EPA records show 2 unresolved violations. Contact City of Kerrville for current status.
About Tap Water in ZIP Code 78028
Tap water in ZIP code 78028 (Kerrville, TX) meets all federal safety standards and earns a solid B grade (score: 81/100). Served by City of Kerrville, the water system has maintained general compliance with EPA Safe Drinking Water Act regulations, with only minor issues on record.
Water System
City of Kerrville
EPA ID: TX1330001
Water Source
Surface Water
Population Served
23,489 residents
County
Kerr County County, Texas
Lead Levels in ZIP 78028
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 2.2 ppb — Very Low
Lead exposure risk in 78028 is rated High. EPA models estimate a 47% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This typically reflects older housing stock built before 1986 (when lead pipes were banned), aging distribution infrastructure, or detected lead levels in water samples. Families should prioritize getting their tap water tested independently and installing a certified lead-reducing filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
City of Kerrville has recorded 4 health-based violations in the past 5 years. Multiple health violations suggest recurring compliance challenges. Residents should request a copy of the annual Consumer Confidence Report to understand what contaminants were involved and what corrective actions were taken. 2 violations are currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.
Regulatory compliance risk is rated Critical — the highest risk category. City of Kerrville has an extensive history of unresolved violations and enforcement actions. Independent water testing is highly recommended.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 1 contaminant associated with health-based violations in ZIP code 78028: Haloacetic Acids (HAA5). These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.
⚖ Enforcement Actions
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Lower potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
🛡 What Should You Do? — ZIP 78028 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from City of Kerrville
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 78028 Water Quality
Is tap water safe to drink in ZIP code 78028?+
What is the lead level in 78028 tap water?+
Who provides tap water to 78028?+
What is the water source for 78028?+
Does 78028 have any active water quality violations?+
How do I get a copy of my water quality report for 78028?+
What water filter should I use in 78028?+
Is 78028 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 78028 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by City of Kerrville. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →