County · Texas
Jefferson County, Texas: drinking water records
This overview covers 17 ZIP codes and 17 community water systems in Jefferson County. It also stands in for 2 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| City of Port Arthur TX1230009 | 56,039 | 90 | 1 | 2 | 2.4 ppb |
| City of Nederland TX1230006 | 18,157 | 116 | 0 | 10 | 1.8 ppb |
| City of Groves TX1230012 | 17,335 | 120 | 0 | 3 | 2.1 ppb |
| City of Port Neches TX1230010 | 17,043 | 100 | 0 | 2 | 0 ppb |
| West Jefferson County MWD TX1230021 | 9,367 | 120 | 0 | 5 | 0.9 ppb |
| Jefferson County WCID 10 TX1230003 | 4,605 | 120 | 1 | 10 | 1.8 ppb |
| City of Beaumont Water Utility Dept TX1230001 | 115,282 | 180 | 0 | 0 | 0.8 ppb |
| Federal Correctional Complex-Beaumont TX1230092 | 5,748 | 120 | 0 | 0 | 0 ppb |
| Meeker MWD TX1230004 | 4,071 | 0 | 0 | 2 | 0 ppb |
| City of Bevil Oaks TX1230049 | 1,414 | 0 | 0 | 5 | 0 ppb |
| City of Nome TX1230039 | 825 | 0 | 0 | 115 | 0 ppb |
| Country Side Estates TX1230037 | 1,311 | 0 | 0 | 0 | 1.5 ppb |
| City of China TX1230038 | 1,280 | 0 | 0 | 0 | 0 ppb |
| Northwest Forest MUD TX1230086 | 620 | 0 | 0 | 0 | 0 ppb |
| Belle Oaks Water TX1230075 | 398 | 0 | 0 | 0 | 0 ppb |
| Cardinal Meadows Improvement District TX1230020 | 207 | 0 | 0 | 0 | 0 ppb |
| Sunchase Subdivision TX1230083 | 120 | 0 | 0 | 0 | 0.4 ppb |
ZIP reports in Jefferson County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 77622, 77655.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.