Jefferson County, Texas
25 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Recent water monitoring in Jefferson County shows 25 ZIP codes with consistently safe results.
How Jefferson County Compares
How Jefferson County Compares
Jefferson 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: Jefferson County, Texas
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.4 (asthma 10.7%, diabetes 15.6%)
Estimated additional annual cost per homeowner: $5,307, driven primarily by sea_level
Infrastructure: 0.362% avg pipe failure probability, 32% of ZIPs at high risk
60.5% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Jefferson County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 65 violations. Past 5 years: 117 total (117 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: $5,307
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
107,593 housing units in Jefferson 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 Jefferson County
Remediation costs are relatively manageable for most homeowners in Jefferson 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 Jefferson 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 Jefferson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | West Jefferson County Mwd | 9,367 | 257 |
| 2 | City of Bevil Oaks | 1,414 | 257 |
| 3 | Meeker Mwd | 4,071 | 210 |
| 4 | City of Beaumont Water Utility Department | 115,282 | 210 |
| 5 | Federal Correctional Complex-beaumont | 5,748 | 210 |
18 total water systems serve Jefferson County.
All ZIP Codes in Jefferson County
25 ZIP codes tracked in Jefferson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 77267 | Houston | 94 | A | 1 (1 health) | — |
| 2 | 77643 | Port Arthur | 93 | A | 3 (2 health) | — |
| 3 | 77710 | Beaumont | 90 | A | 15 (5 health) | — |
| 4 | 77720 | Beaumont | 90 | A | 15 (5 health) | — |
| 5 | 77725 | Beaumont | 90 | A | 15 (5 health) | — |
| 6 | 77641 | Port Arthur | 88 | A | 3 (2 health) | — |
| 7 | 77709 | Beaumont | 85 | A | 15 (5 health) | — |
| 8 | 77726 | Beaumont | 85 | A | 15 (5 health) | — |
| 9 | 77704 | Beaumont | 80 | B | 15 (5 health) | — |
| 10 | 77613 | China | 77 | B | 0 | $201K |
| 11 | 77701 | Beaumont | 75 | B | 15 (5 health) | $79K |
| 12 | 77702 | Beaumont | 75 | B | 15 (5 health) | $142K |
| 13 | 77703 | Beaumont | 75 | B | 15 (5 health) | $97K |
| 14 | 77708 | Beaumont | 75 | B | 15 (5 health) | $167K |
| 15 | 77640 | Port Arthur | 73 | B | 3 (2 health) | $97K |
| 16 | 77642 | Port Arthur | 73 | B | 3 (2 health) | $96K |
| 17 | 77705 | Beaumont | 70 | B | 15 (5 health) | $122K |
| 18 | 77706 | Beaumont | 70 | B | 15 (5 health) | $239K |
| 19 | 77707 | Beaumont | 70 | B | 15 (5 health) | $163K |
| 20 | 77713 | Beaumont | 70 | B | 15 (5 health) | $210K |
| 21 | 77655 | Sabine Pass | 60 | C | 0 | $135K |
| 22 | 77627 | Nederland | 57 | C | 8 (6 health) | $201K |
| 23 | 77651 | Port Neches | 54 | D | 2 | $231K |
| 24 | 77619 | Groves | 44 | D | 5 (3 health) | $154K |
| 25 | 77629 | Nome | 35 | F | 47 (28 health) | $171K |
Recommended Buyer Guides for Jefferson County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Water Filters for Lead — Lead above EPA action level in 3 ZIP codes
- Best Lead Paint Test Kits — 60.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Jefferson County, Texas
Overview
Jefferson County in Texas covers 25 ZIP codes with an average Home Safety Score of B (74/100).
23 of 25 ZIP codes have recorded EPA violations. 116 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.