County · Texas
Galveston County, Texas: drinking water records
This overview covers 18 ZIP codes and 26 community water systems in Galveston County. It also stands in for 1 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 Texas City TX0840008 | 61,541 | 120 | 4 | 1 | 0.6 ppb |
| City of Hitchcock TX0840004 | 8,346 | 240 | 5 | 6 | 0.8 ppb |
| City of League City TX0840007 | 149,557 | 356 | 6 | 0 | 3 ppb |
| City of Galveston TX0840003 | 52,326 | 360 | 4 | 0 | 3.1 ppb |
| City of Friendswood TX0840002 | 43,190 | 600 | 3 | 0 | 4.6 ppb |
| Galveston County WCID 1 TX0840001 | 30,399 | 120 | 4 | 0 | 0 ppb |
| Bolivar Peninsula SUD TX0840044 | 18,424 | 120 | 0 | 0 | 0 ppb |
| City of la Marque TX0840006 | 15,154 | 120 | 4 | 0 | 0.6 ppb |
| San Leon MUD TX0840063 | 11,622 | 120 | 4 | 0 | 0 ppb |
| Bacliff MUD TX0840011 | 8,900 | 120 | 3 | 0 | 0 ppb |
| Galveston County WCID 12 TX0840031 | 8,721 | 240 | 4 | 0 | 1.6 ppb |
| Galveston County WCID 8 TX0840009 | 7,065 | 240 | 5 | 0 | 0 ppb |
| Galveston County MUD 12 TX0840021 | 2,900 | 0 | 0 | 1 | 0 ppb |
| City of Jamaica Beach TX0840030 | 1,075 | 0 | 0 | 1 | 0 ppb |
| Galveston County WCID 19 TX0840028 | 660 | 0 | 0 | 4 | 0 ppb |
| Lone Pine Subdivision TX0840229 | 141 | 0 | 0 | 5 | 0 ppb |
| Rain River Estates TX0840267 | 100 | 0 | 0 | 1 | 1 ppb |
| K & B Waterworks TX0840187 | 81 | 0 | 0 | 1 | 0 ppb |
| Windsong Park TX0840046 | 78 | 0 | 0 | 4 | 0.6 ppb |
| Highland Bayou Estates WSC TX0840080 | 30 | 0 | 0 | 8 | 0 ppb |
| Galveston County FWSD 6 Tiki Island TX0840036 | 2,568 | 0 | 0 | 0 | 0 ppb |
| Bayview MUD TX0840010 | 1,839 | 0 | 0 | 0 | 0 ppb |
| City of Kemah Mmd 1 TX0840287 | 741 | 0 | 0 | 0 | 0 ppb |
| Tiffany Water TX0840057 | 128 | 0 | 0 | 0 | 0 ppb |
| Gulf Coast Water Authority Tx City TX0840153 | 0 | 0 | 0 | 1 | not reported |
ZIP reports in Galveston 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: 77517.
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.