Somervell County, Texas
3 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Compared to state averages, Somervell County scores well — its 3 ZIP codes sit above the baseline for tap water quality.
How Somervell County Compares
How Somervell County Compares
Somervell County scores 12 points below the Texas state average (82/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 13.1 (asthma 9.9%, diabetes 12.3%)
Estimated additional annual cost per homeowner: $1,160, driven primarily by flood
Infrastructure: 0.343% avg pipe failure probability
47.3% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Somervell County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 24 violations. Past 5 years: 45 total (45 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,160
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,487 housing units in Somervell 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 Somervell County
Remediation costs are relatively manageable for most homeowners in Somervell 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 Somervell County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Somervell County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Somervell County Water District | 3,666 | 12 |
| 2 | City of Glen Rose | 2,848 | 12 |
| 3 | Riverbend Retreat Center | 827 | 12 |
All ZIP Codes in Somervell County
3 ZIP codes tracked in Somervell County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 76070 | Nemo | 73 | B | 0 | $103K |
| 2 | 76077 | Rainbow | 73 | B | 0 | $577K |
| 3 | 76043 | Glen Rose | 65 | C | 12 (10 health) | $248K |
Recommended Buyer Guides for Somervell County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- 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
Overview
Somervell County in Texas covers 3 ZIP codes with an average Home Safety Score of B (70/100).
1 of 3 ZIP codes have recorded EPA violations. 10 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.