Brazos County, Texas
17 ZIP codes · Avg score 84/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Brazos: B.
This ZIP looks solid, with a few items worth a quick check.
For households in Brazos County, the 17 ZIP codes on record show consistently safe tap water.
How Brazos County Compares
How Brazos County Compares
Brazos County scores 2 points above the Texas state average (82/100) and 16 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Brazos County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.9 (asthma 10%, diabetes 10.4%)
Estimated additional annual cost per homeowner: $986, driven primarily by flood
Infrastructure: 0.275% avg pipe failure probability, 7% of ZIPs at high risk
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: $986
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 Brazos County
Remediation costs are relatively manageable for most homeowners in Brazos 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 Brazos County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Brazos County
8 community water systems serving Brazos County.
- C
- C
- B
- C
- B
- A
Show all 8 water systems
- C
- C
10 total water systems serve Brazos County.
Systems with the most violations in Brazos County
2 water systems with recorded EPA violations.
- C
- C
All ZIP Codes in Brazos County
17 ZIP codes tracked in Brazos County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77841 | College Station | 98 | A | 6 (1 health) | — |
| 2 | 77842 | College Station | 98 | A | 6 (1 health) | — |
| 3 | 77843 | College Station | 98 | A | 6 (1 health) | — |
| 4 | 77844 | College Station | 98 | A | 6 (1 health) | — |
| 5 | 77805 | Bryan | 91 | A | 5 | — |
| 6 | 77806 | Bryan | 91 | A | 5 | — |
| 7 | 77801 | Bryan | 86 | A | 5 | $172K |
| 8 | 77807 | Bryan | 86 | A | 5 | $252K |
| 9 | 77808 | Bryan | 86 | A | 5 | $352K |
| 10 | 77840 | College Station | 84 | B | 6 (1 health) | $241K |
| 11 | 77845 | College Station | 84 | B | 6 (1 health) | $350K |
| 12 | 77802 | Bryan | 81 | B | 5 | $238K |
| 13 | 77803 | Bryan | 81 | B | 5 | $141K |
| 14 | 77862 | Kurten | 66 | C | 0 | — |
| 15 | 77866 | Millican | 66 | C | 0 | — |
| 16 | 77867 | Mumford | 66 | C | 0 | $10K |
| 17 | 77882 | Wheelock | 66 | C | 0 | — |
Recommended Buyer Guides for Brazos County
Below: editorial picks, no sponsored placements.
- 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 Brazos County, Texas
Overview
Brazos County in Texas covers 17 ZIP codes with an average Home Safety Score of B (84/100).
13 of 17 ZIP codes have recorded EPA violations. 6 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.