County · Texas
Fort Bend County, Texas: drinking water records
This overview covers 21 ZIP codes and 177 community water systems in Fort Bend County. It also stands in for 4 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 |
|---|---|---|---|---|---|
| Blue Ridge West MUD TX0790051 | 7,545 | 120 | 1 | 1 | 0.3 ppb |
| Tdcj Jester Unit 3 TX0790085 | 3,365 | 120 | 0 | 1 | 1.0 ppb |
| City of Needville TX0790001 | 3,089 | 180 | 0 | 1 | 1.2 ppb |
| City of Sugar Land TX0790005 | 90,909 | 660 | 8 | 0 | 2.5 ppb |
| Fort Bend County WCID 2 TX0790004 | 49,173 | 420 | 4 | 0 | 2.8 ppb |
| City of Rosenberg TX0790003 | 43,158 | 420 | 4 | 0 | 2.5 ppb |
| City of Fulshear TX0790133 | 34,000 | 240 | 0 | 0 | 0 ppb |
| City of Richmond TX0790023 | 25,326 | 420 | 4 | 0 | 1.6 ppb |
| Fort Bend County MUD 30 TX0790146 | 16,794 | 240 | 3 | 0 | 0.5 ppb |
| City of Sugar Land - New Territory TX0790253 | 15,546 | 180 | 0 | 0 | 0.2 ppb |
| Fort Bend County MUD 25 TX0790130 | 15,327 | 240 | 0 | 0 | 1.8 ppb |
| Pecan Grove MUD TX0790132 | 14,913 | 480 | 5 | 0 | 2.5 ppb |
| Quail Valley Utility District TX0790028 | 14,409 | 180 | 0 | 0 | 0 ppb |
| Fort Bend County MUD 23 TX0790237 | 13,695 | 120 | 0 | 0 | 0 ppb |
| City of Sugar Land - Greatwood TX0790296 | 12,368 | 120 | 0 | 0 | 0.5 ppb |
| Fort Bend County MUD 142 TX0790429 | 11,595 | 120 | 7 | 0 | 2.5 ppb |
| Fort Bend County MUD 58 TX0790458 | 10,629 | 240 | 3 | 0 | 0 ppb |
| Fort Bend County MUD 151 TX0790443 | 10,233 | 60 | 0 | 0 | 2.9 ppb |
| North Mission Glen MUD TX0790174 | 9,096 | 120 | 0 | 0 | 0.8 ppb |
| Kingsbridge MUD TX0790158 | 8,663 | 240 | 4 | 0 | 1 ppb |
| Sienna MUD 10 TX0790452 | 7,824 | 60 | 4 | 0 | 0 ppb |
| First Colony MUD 9 TX0790230 | 7,818 | 60 | 0 | 0 | 0 ppb |
| Sienna MUD 3 TX0790376 | 7,365 | 60 | 4 | 0 | 0.5 ppb |
| Fort Bend County MUD 133 TX0790444 | 7,362 | 120 | 6 | 0 | 0 ppb |
| Fort Bend County MUD 134b TX0790532 | 7,356 | 60 | 3 | 0 | 1.6 ppb |
ZIP reports in Fort Bend 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: 77469, 77476, 77481, 77545.
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.