Orange County, Texas
6 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Throughout Orange County, the 6 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.
How Orange County Compares
How Orange County Compares
Orange 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: Orange County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.7 (asthma 10.6%, diabetes 12.4%)
Estimated additional annual cost per homeowner: $5,343, driven primarily by sea_level
Infrastructure: 0.33% avg pipe failure probability, 17% of ZIPs at high risk
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Orange County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 32 violations. Past 5 years: 47 total (47 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: $5,343
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 Orange County
Remediation costs are relatively manageable for most homeowners in Orange 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 Orange 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 Orange County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Orange County Wcid 1 | 15,258 | 390 |
| 2 | City of Rose City | 664 | 382 |
| 3 | Evergreen Park Hickory Hills Water Syste | 363 | 382 |
| 4 | Ranchette Estates | 75 | 382 |
| 5 | Houseman Park | 73 | 382 |
16 total water systems serve Orange County.
All ZIP Codes in Orange County
6 ZIP codes tracked in Orange County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77639 | Orangefield | 94 | A | 5 (1 health) | — |
| 2 | 77626 | Mauriceville | 90 | A | 1 | — |
| 3 | 77630 | Orange | 74 | B | 8 (1 health) | $164K |
| 4 | 77611 | Bridge City | 73 | B | 1 | $199K |
| 5 | 77670 | Vidor | 65 | C | 191 (75 health) | — |
| 6 | 77662 | Vidor | 50 | D | 191 (75 health) | $125K |
Recommended Buyer Guides for Orange County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Orange County, Texas
Overview
Orange County in Texas covers 6 ZIP codes with an average Home Safety Score of B (74/100).
6 of 6 ZIP codes have recorded EPA violations. 152 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.