TOWN OF GRAND COTEAU WATER SYSTEM
PWSID: LA1097001 · Grand Coteau, LA · Serves 1,650 people
TOWN OF GRAND COTEAU WATER SYSTEM has 17 health-based violations out of 17 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
TOWN OF GRAND COTEAU WATER SYSTEM (PWSID LA1097001) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 1,650 people in Grand Coteau, LA, and is subject to primacy enforcement by the Louisiana drinking-water program.
The system's federal compliance record contains 17 total violations, with 17 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including Fluoride, Gross Alpha. Recorded violations span 2011–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Louisiana state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- LA1097001
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Grand Coteau, LA
- Population Served
- 1,650
- Health Violations
- Yes (17)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Fluoride | 16 | 16 |
| Gross Alpha | 1 | 1 |
Violation History (17)
| Contaminant | Health | Date |
|---|---|---|
| Fluoride | Yes | Mar 3, 2025 |
| Gross Alpha | Yes | Oct 17, 2024 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jul 12, 2022 |
| Fluoride | Yes | Jun 15, 2020 |
| Fluoride | Yes | Jun 15, 2020 |
| Fluoride | Yes | Jun 15, 2020 |
| Fluoride | Yes | Dec 31, 2018 |
| Fluoride | Yes | Dec 31, 2018 |
| Fluoride | Yes | Dec 19, 2011 |
Frequently Asked Questions
Is TOWN OF GRAND COTEAU WATER SYSTEM water safe to drink?
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What violations does TOWN OF GRAND COTEAU WATER SYSTEM have?
What contaminants have been found in TOWN OF GRAND COTEAU WATER SYSTEM water?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.