Robertson County, Texas
6 ZIP codes · Avg score 87/100 · Grade A · Updated 2026-06-03
Covering 6 ZIP codes, Robertson 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 Robertson County Compares
How Robertson County Compares
Robertson County scores 5 points above the Texas state average (82/100) and 19 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Robertson County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 10.6%, diabetes 15.5%)
Estimated additional annual cost per homeowner: $682, driven primarily by energy_code_gap
Infrastructure: 0.314% avg pipe failure probability
59.8% of homes built before 1978 (lead paint era)
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: $682
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,018 housing units in Robertson 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 Robertson County
Remediation costs are relatively manageable for most homeowners in Robertson 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 Robertson County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Robertson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Robertson County Water Supply Corporation | 3,611 | 11 |
| 2 | Wellborn Special Utility District | 25,065 | 7 |
| 3 | City of Hearne | 4,959 | 7 |
| 4 | Wickson Special Utility District Wheelock | 499 | 7 |
| 5 | City of Calvert | 962 | 4 |
10 total water systems serve Robertson County.
All ZIP Codes in Robertson County
6 ZIP codes tracked in Robertson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77870 | New Baden | 99 | A | 0 | — |
| 2 | 77856 | Franklin | 94 | A | 4 | $246K |
| 3 | 77837 | Calvert | 90 | A | 4 | $113K |
| 4 | 76629 | Bremond | 88 | A | 0 | $187K |
| 5 | 77859 | Hearne | 82 | B | 3 | $161K |
| 6 | 76680 | Reagan | 66 | C | 0 | — |
Recommended Buyer Guides for Robertson County
Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Lead Paint Test Kits — 59.8% of homes built before 1978
Deep Dive Reports
Detailed analysis for Robertson County, Texas
Overview
Robertson County in Texas covers 6 ZIP codes with an average Home Safety Score of A (87/100).
3 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.