CITY OF LA COSTE
Texas — Community Water System — PWSID: TX1630004
System Information
| PWSID | TX1630004 |
| System Name | CITY OF LA COSTE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Jan 6, 2026 |
Location & Contact
| State | Texas |
| City | LA COSTE |
| ZIP Code | 78039-0112 |
| Address | PO BOX 112 |
| Organization | JOHONNETT, JEREMY |
| Phone | 830-762-3609 |
Population & Service
| Population Served | 1,488 |
| Service Connections | 496 |
Drinking Water Violations (29)
This water system has 29 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 27, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 27, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 27, 2021 | Lead and Copper Rule |
| Oct 1, 2020 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 27, 2021 | Lead and Copper Rule |
| Jul 1, 2020 | Sep 30, 2020 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2020 | Sep 30, 2020 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2020 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Sep 30, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Dec 30, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 10, 2015 | Lead and Copper Rule |
| Dec 30, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Mar 10, 2015 | Lead and Copper Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 17, 2014 | Lead and Copper Rule |
| Apr 1, 2013 | Jun 30, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2013 | Jun 30, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Jun 30, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2013 | Mar 31, 2013 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 17, 2014 | Lead and Copper Rule |
| Jul 1, 2010 | Sep 30, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2009 | Jun 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2009 | Total Coliform Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.