Kleberg County, Texas
3 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-07-16
ZipCheckup grade for Kleberg: B.
This ZIP looks solid, with a few items worth a quick check.
Covering 3 ZIP codes, Kleberg County earns a high grade for tap water - most systems report zero health-based violations, and the overall compliance rate comfortably exceeds federal benchmarks.
How Kleberg County Compares
How Kleberg County Compares
Kleberg County scores 7 points below the Texas state average (82/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-16
Key Risk Factors
Health risk index: 12 (asthma 9.1%, diabetes 14%)
Estimated additional annual cost per homeowner: $4,960, driven primarily by sea_level
Infrastructure: 0.457% avg pipe failure probability, 100% of ZIPs at high risk
53% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across Kleberg County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 10 violations. Past 5 years: 34 total (34 health-based). Health-based violations are declining versus the prior 2-year window.
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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,960
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
13,912 housing units in Kleberg 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 Kleberg County
Remediation costs are relatively manageable for most homeowners in Kleberg 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 Kleberg County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Kleberg County
6 community water systems serving Kleberg County.
- A
- C
- A
- A
- C
- A
Systems with the most violations in Kleberg County
2 water systems with recorded EPA violations.
- C
- A
All ZIP Codes in Kleberg County
3 ZIP codes tracked in Kleberg County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78364 | Kingsville | 92 | A | 5 (3 health) | — |
| 2 | 78363 | Kingsville | 77 | B | 5 (3 health) | $156K |
| 3 | 78379 | Riviera | 57 | C | 17 (10 health) | $109K |
Recommended Buyer Guides for Kleberg County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 53% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
Kleberg County in Texas covers 3 ZIP codes with an average Home Safety Score of B (75/100).
3 of 3 ZIP codes have recorded EPA violations. 16 health-based violations have been documented.
← Back to Texas water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.