Brazoria County, Texas
24 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
For households in Brazoria County, the 24 ZIP codes on record show consistently safe tap water.
How Brazoria County Compares
How Brazoria County Compares
Brazoria County scores 8 points below the Texas state average (82/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Brazoria County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12 (asthma 9.5%, diabetes 12.3%)
Estimated additional annual cost per homeowner: $4,836, driven primarily by sea_level
Infrastructure: 0.326% avg pipe failure probability, 9% of ZIPs at high risk
46.7% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Brazoria County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 48 violations. Past 5 years: 76 total (76 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,836
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
152,059 housing units in Brazoria 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 Brazoria County
Remediation costs are relatively manageable for most homeowners in Brazoria 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 Brazoria 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 Brazoria County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Pearland | 125,828 | 94 |
| 2 | City of Angleton | 27,333 | 92 |
| 3 | Frontier Water | 240 | 74 |
| 4 | City of Pearland Municipal Utility District 1 | 5,947 | 69 |
| 5 | City of Alvin | 26,244 | 55 |
48 total water systems serve Brazoria County.
All ZIP Codes in Brazoria County
24 ZIP codes tracked in Brazoria County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77881 | Wellborn | 95 | A | 0 | — |
| 2 | 75410 | Alba | 94 | A | 5 (1 health) | $189K |
| 3 | 77588 | Pearland | 86 | A | 18 (1 health) | — |
| 4 | 77512 | Alvin | 81 | B | 20 (1 health) | — |
| 5 | 77516 | Angleton | 81 | B | 19 (6 health) | — |
| 6 | 77486 | West Columbia | 79 | B | 7 (1 health) | $222K |
| 7 | 77531 | Clute | 79 | B | 3 | $237K |
| 8 | 77534 | Danbury | 76 | B | 3 | $256K |
| 9 | 77578 | Manvel | 75 | B | 15 (2 health) | $360K |
| 10 | 77480 | Sweeny | 74 | B | 4 | $189K |
| 11 | 77463 | Old Ocean | 73 | B | 0 | — |
| 12 | 77566 | Lake Jackson | 73 | B | 6 (2 health) | $257K |
| 13 | 77422 | Brazoria | 71 | B | 11 (1 health) | $205K |
| 14 | 77511 | Alvin | 71 | B | 20 (1 health) | $218K |
| 15 | 77542 | Freeport | 71 | B | 22 (8 health) | — |
| 16 | 77581 | Pearland | 71 | B | 18 (1 health) | $309K |
| 17 | 77584 | Pearland | 71 | B | 18 (1 health) | $339K |
| 18 | 77583 | Rosharon | 68 | C | 5 (1 health) | $298K |
| 19 | 77431 | Danciger | 66 | C | 0 | — |
| 20 | 77515 | Angleton | 66 | C | 19 (6 health) | $211K |
| 21 | 77986 | Sublime | 66 | C | 0 | — |
| 22 | 77415 | Cedar Lane | 65 | C | 0 | — |
| 23 | 77541 | Freeport | 61 | C | 22 (8 health) | $163K |
| 24 | 77577 | Liverpool | 51 | D | 5 (4 health) | $258K |
Recommended Buyer Guides for Brazoria County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Brazoria County, Texas
Overview
Brazoria County in Texas covers 24 ZIP codes with an average Home Safety Score of B (74/100).
19 of 24 ZIP codes have recorded EPA violations. 45 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.