Cameron County, Texas
22 ZIP codes · Avg score 70/100 · Grade B · Updated
ZipCheckup grade for Cameron County: B.
This ZIP looks solid, with a few items worth a quick check.
In current tracking cycles, Cameron County - spanning 22 ZIP codes - records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.
How Cameron County Compares
How Cameron County Compares
Cameron County scores 13 points below the Texas state average (83/100) and 3 points below the national average (73/100).
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: Cameron County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 8.7%, diabetes 18.3%)
Estimated additional annual cost per homeowner: $3,800, driven primarily by flood
45.7% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↓ Improving trendEPA violation counts by year across Cameron County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 43 violations. Past 5 years: 118 total (118 health-based). Health-based violations are declining versus the prior 2-year window.
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: $3,800
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
155,637 housing units in Cameron 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 Cameron County
Remediation costs are relatively manageable for most homeowners in Cameron 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 Cameron County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Cameron County
8 community water systems serving Cameron County.
- B
- C
- C
- A
- C
- C
Show all 8 water systems
- C
- C
20 total water systems serve Cameron County.
Systems with the most violations in Cameron County
5 water systems with recorded EPA violations.
- C
- C
- C
- A
All ZIP Codes in Cameron County
22 ZIP codes tracked in Cameron County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 78597 | South Padre Island | 91 | A | 1 | $509K |
| 2 | 78547 | Garciasville | 86 | A | 7 (1 health) | — |
| 3 | 78521 | Brownsville | 75 | B | 0 | $91K |
| 4 | 78578 | Port Isabel | 75 | B | 1 | $194K |
| 5 | 78526 | Brownsville | 74 | B | 1 (1 health) | $158K |
| 6 | 78566 | Los Fresnos | 74 | B | 3 (1 health) | $138K |
| 7 | 78520 | Brownsville | 71 | B | 8 (7 health) | $129K |
| 8 | 78575 | Olmito | 71 | B | 8 (7 health) | $220K |
| 9 | 78550 | Harlingen | 58 | C | 55 (15 health) | $121K |
| 10 | 78552 | Harlingen | 58 | C | 59 (17 health) | $155K |
| 11 | 78559 | La Feria | 58 | C | 44 (14 health) | $100K |
| 12 | 78583 | Rio Hondo | 58 | C | 35 (12 health) | $148K |
| 13 | 78586 | San Benito | 58 | C | 44 (19 health) | $83K |
| 14 | 78522 | Brownsville | — | — | — | |
| 15 | 78523 | Brownsville | — | — | — | |
| 16 | 78535 | Combes | — | — | 14 (3 health) | $68K |
| 17 | 78551 | Harlingen | — | — | — | |
| 18 | 78553 | Harlingen | — | — | — | |
| 19 | 78567 | Los Indios | — | — | 7 (6 health) | $61K |
| 20 | 78568 | Lozano | — | — | — | |
| 21 | 78592 | Santa Maria | — | — | 7 (6 health) | — |
| 22 | 78593 | Santa Rosa | — | — | 37 (8 health) | $67K |
Recommended Buyer Guides for Cameron County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- 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 Cameron County, Texas
Overview
Cameron County in Texas covers 22 tracked ZIP records with an average Home Safety Score of B (70/100) across 13 scored records.
16 of 17 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 31 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.