County · Texas
Bastrop County, Texas: drinking water records
This overview covers 8 ZIP codes and 26 community water systems in Bastrop 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 Bastrop TX0110001 | 13,209 | 60 | 0 | 11 | 0 ppb |
| Bastrop County WCID 2 TX0110020 | 7,269 | 180 | 1 | 2 | 1.4 ppb |
| City of Smithville TX0110003 | 4,901 | 120 | 0 | 1 | 1.0 ppb |
| Aqua WSC TX0110013 | 86,325 | 840 | 0 | 0 | 1.4 ppb |
| City of Elgin TX0110002 | 13,188 | 60 | 0 | 0 | 0 ppb |
| Bastrop County WCID 1 TX0110014 | 696 | 0 | 0 | 1 | 1.3 ppb |
| K & K Water North TX0110047 | 318 | 0 | 0 | 1 | 3.0 ppb |
| Vista Senior Living VT0000196 | 237 | 0 | 0 | 1 | 0 ppb |
| K & K Water South TX0110045 | 213 | 0 | 0 | 1 | 0 ppb |
| The Colony MUD 1a TX0110053 | 2,262 | 0 | 0 | 0 | 0 ppb |
| The Colony MUD 1b TX0110054 | 657 | 0 | 0 | 0 | 0 ppb |
| Rolling Hills Mobile Home Park OH1101012 | 500 | 0 | 0 | 0 | 1.7 ppb |
| The Colony MUD 1e TX0110052 | 468 | 0 | 0 | 0 | 0.2 ppb |
| Bastrop County MUD 1 TX0110049 | 354 | 0 | 0 | 0 | 0 ppb |
| Harvest Square Mobile Home Park OH1100512 | 345 | 0 | 0 | 0 | 1 ppb |
| The Colony MUD 1d TX0110056 | 276 | 0 | 0 | 0 | 2.6 ppb |
| The Colony MUD 1c TX0110055 | 219 | 0 | 0 | 0 | 0.5 ppb |
| Casitas del Rio MT0005060 | 216 | 0 | 0 | 0 | 0 ppb |
| Weaverville Hills MHP NC0111156 | 147 | 0 | 0 | 0 | 0 ppb |
| West Bastrop Village MUD TX0110064 | 120 | 0 | 0 | 0 | 0 ppb |
| J & R MHP TX0110023 | 46 | 0 | 0 | 0 | 1.4 ppb |
| Elgin Municipal Utility District 2 TX0110066 | 45 | 0 | 0 | 0 | 1.0 ppb |
| River Oaks Trailer Park TX0110043 | 37 | 0 | 0 | 0 | 0 ppb |
| Water System TX0110063 | 36 | 0 | 0 | 0 | 0 ppb |
| Elgin MUD 1 TX0110068 | 90 | 0 | 0 | 0 | not reported |
ZIP reports in Bastrop 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: 78621.
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.