Walker County, Texas
9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored · Updated
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: Walker County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.5 (asthma 10.2%, diabetes 13.3%)
Estimated additional annual cost per homeowner: $1,684, driven primarily by flood
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Walker County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 17 violations. Past 5 years: 37 total (37 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.
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: $1,684
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Walker County
Remediation costs are relatively manageable for most homeowners in Walker 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 Walker County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Walker County
8 community water systems serving Walker County.
Show all 8 water systems
11 total water systems serve Walker County.
Systems with the most violations in Walker County
5 water systems with recorded EPA violations.
All ZIP Codes in Walker County
9 ZIP codes tracked in Walker County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 75852 | Midway | — | — | 16 (5 health) | $223K |
| 2 | 77320 | Huntsville | — | — | 82 (38 health) | $174K |
| 3 | 77340 | Huntsville | — | — | 44 (14 health) | $229K |
| 4 | 77341 | Huntsville | — | — | — | |
| 5 | 77342 | Huntsville | — | — | 1 | — |
| 6 | 77343 | Huntsville | — | — | — | |
| 7 | 77344 | Huntsville | — | — | — | |
| 8 | 77348 | Huntsville | — | — | — | |
| 9 | 77349 | Huntsville | — | — | — |
Recommended Buyer Guides for Walker County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Walker County, Texas
Overview
Walker County in Texas covers 9 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
4 of 4 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 45 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.