Town of Grand Coteau Water System
EPA ID: LA1097001 · 1,650 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Town of Grand Coteau Water System (LA1097001): 2 unresolved EPA violations on record. Current EPA status: Town of Grand Coteau Water System, 2 open violations, 1,650 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Town of Grand Coteau Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Town of Grand Coteau Water System serves a community with a median household income of $61,976 and an estimated 7,750 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 84% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Town of Grand Coteau Water System's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Town of Grand Coteau Water System compares to EPA limits
What This Means For You
Contaminant 0700 at 9 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Louisiana
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Town of Grand Coteau Water System (EPA ID: LA1097001) is a community water system in Louisiana that serves approximately 1,650 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 15 resolved, 0 archived, 0 addressed, and 2 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| March 3, 2025 | Contaminant 0700 | Health-based | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unaddressed (current) |
| September 4, 2024 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| August 17, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 12, 2022 | Contaminant 0700 | Health-based | Resolved |
| July 1, 2021 | Surface Water Treatment Rule | Non-health-based | Resolved |
| April 17, 2021 | Stage 1 DBP Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 0700 | Other Violation | 9 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.007 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by LA or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Town of Grand Coteau Water System (LA1097001) on EPA.gov.
Frequently Asked Questions
Is Town of Grand Coteau Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Town of Grand Coteau Water System. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Town of Grand Coteau Water System serve?
Town of Grand Coteau Water System serves approximately 1,650 people across 2 ZIP codes in Louisiana.
Where does Town of Grand Coteau Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Town of Grand Coteau Water System (LA): 10 Health Violations. https://zipcheckup.com/water-system/la1097001/
@misc{zipcheckup-water-system-la1097001,
author = {{ZipCheckup}},
title = {{Town of Grand Coteau Water System (LA): 10 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/la1097001/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Town of Grand Coteau Water System (EPA ID: LA1097001) - request the latest Consumer Confidence Report or ask about specific contaminants.