Karnes County, Texas
7 ZIP codes · Avg score 93/100 · Grade A · Updated
ZipCheckup grade for Karnes County: A.
No federal data flags a major home-safety concern for this ZIP.
Water utilities serving Karnes County's 7 ZIP codes have built a consistent compliance record - the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.
How Karnes County Compares
How Karnes County Compares
Karnes County scores 10 points above the Texas state average (83/100) and 20 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Karnes County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 9.1%, diabetes 14%)
Estimated additional annual cost per homeowner: $3,610, driven primarily by sea_level
50.6% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Karnes County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 13 violations. Past 5 years: 21 total (21 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $3,610
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,550 housing units in Karnes County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Karnes County
Remediation costs are relatively manageable for most homeowners in Karnes County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Karnes County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Karnes County
6 community water systems serving Karnes County.
- A
- A
- A
- A
- A
Systems with the most violations in Karnes County
5 water systems with recorded EPA violations.
- A
- A
- A
- A
All ZIP Codes in Karnes County
7 ZIP codes tracked in Karnes County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78116 | Gillett | 98 | A | 3 (2 health) | $273K |
| 2 | 78117 | Hobson | 94 | A | 12 (4 health) | $272K |
| 3 | 78118 | Karnes City | 91 | A | 21 (5 health) | $115K |
| 4 | 78119 | Kenedy | 88 | A | 33 (5 health) | $129K |
| 5 | 78111 | Ecleto | — | — | — | |
| 6 | 78144 | Panna Maria | — | — | — | |
| 7 | 78151 | Runge | — | — | 13 (3 health) | $103K |
Recommended Buyer Guides for Karnes County
Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 50.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Karnes County, Texas
Overview
Karnes County in Texas covers 7 tracked ZIP records with an average Home Safety Score of A (93/100) across 4 scored records.
5 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
← Back to Texas Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.