TOWN OF GRAND COTEAU WATER SYSTEM
PWSID: LA1097001 · Grand Coteau, LA · Serves 1,650 people
According to EPA Safe Drinking Water Information System (SDWIS), TOWN OF GRAND COTEAU WATER SYSTEM (PWSID LA1097001) in Grand Coteau, LA is listed as a CWS water system covering about 1,650 people. The same extract lists 17 health-based violation records spanning 2011-2025. Those 17 health-based rows for TOWN OF GRAND COTEAU WATER SYSTEM cover contaminants such as Groundwater Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
TOWN OF GRAND COTEAU WATER SYSTEM has 17 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2011–2025. Day-to-day primacy enforcement for this system runs through the Louisiana drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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 |
|---|---|---|
| Groundwater Rule | 16 | 16 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (17)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Mar 3, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jul 12, 2022 |
| Groundwater Rule | Yes | Jun 15, 2020 |
| Groundwater Rule | Yes | Jun 15, 2020 |
| Groundwater Rule | Yes | Jun 15, 2020 |
| Groundwater Rule | Yes | Dec 31, 2018 |
| Groundwater Rule | Yes | Dec 31, 2018 |
| Groundwater Rule | Yes | Dec 19, 2011 |
Frequently Asked Questions
What does EPA SDWIS list for TOWN OF GRAND COTEAU WATER SYSTEM?
How many people does TOWN OF GRAND COTEAU WATER SYSTEM serve?
What violations does TOWN OF GRAND COTEAU WATER SYSTEM have?
What contaminants have been found in TOWN OF GRAND COTEAU WATER SYSTEM water?
Compare beyond Louisiana
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest TOWN OF GRAND COTEAU WATER SYSTEM on cumulative violation count (17) and EPA-reported population served (1,650). Violation-count peers include Colorado River Regional Water System, SOUTH TONGASS WATER UTILITY, DERMOTT WATERWORKS. Population peers include ADC EAST ARKANSAS REGIONAL, CASTLE AIRPORT, ARLINGTON WOODS.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
TOWN OF GRAND COTEAU WATER SYSTEM (LA1097001) is drawn from EPA SDWIS. Nearby county systems in this extract include TOWN OF LEONVILLE WATER SYSTEM; LEWISBURG BELLEVUE WATER SYSTEM; PLAISANCE WATER SYSTEM; PRAIRIE RONDE WATER SYSTEM INC. Health-based rows (17 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.