Public water system · LA1081001
ActiveTown of Coushatta Water System
At a glance
Town of Coushatta Water System (PWSID LA1081001) is an active community water system in Red River Parish County, Louisiana. It reports serving 3,300 people through 1,100 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,300
Service connections
1,100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Town of Coushatta Water System compare with other water systems in Red River Parish County?
By EPA's size categories, Town of Coushatta Water System is a small system (501 to 3,300 people). Red River Parish County has 12 active public water systems, and Town of Coushatta Water System is the largest of them by population served. Its population served is about 3.2 times the county average of 1,034 people per system, and accounts for 27% of the 12,413 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active community water system reports serving 6,703 people, so Town of Coushatta Water System is about half of that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Louisiana has 815 active community water systems, 73% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.
Who owns and regulates Town of Coushatta Water System?
EPA lists Town of Coushatta Water System as owned by a local government. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 12 active systems in Red River Parish County (17%) are also owned by a local government.
Does Town of Coushatta Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. The violations listed here began between June 2009 and May 2025. By type: 7 required treatment not met, 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (7 of them). EPA lists 8 as resolved, 3 as unaddressed and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-05-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2025-05-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2025-05-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2023-01-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2023-01-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2023-01-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-10-02 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
The 12 most recent violations in EPA's records, newest first. Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Town of Coushatta Water System: frequently asked questions
Who runs Town of Coushatta Water System?
Town of Coushatta Water System (PWSID LA1081001) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Town of Coushatta Water System serve?
Town of Coushatta Water System reports serving 3,300 people through 1,100 service connections in Red River Parish County, Louisiana.
Where does Town of Coushatta Water System get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Town of Coushatta Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Town of Coushatta Water System's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in May 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Town of Coushatta Water System's water quality report?
As a community water system, Town of Coushatta Water System must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Red River Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairview Union Water System | Red River Parish | 2,346 | Community | Surface water |
| Bayou Pierre Water System | Red River Parish | 1,371 | Community | Groundwater |
| Martin Water System | Red River Parish | 1,350 | Community | Groundwater |
| Village of Hall Summit Water System | Red River Parish | 756 | Community | Groundwater |
| Social Springs Water System North | Red River Parish | 744 | Community | Groundwater |
| Social Springs Water System South | Red River Parish | 576 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Town of Coushatta Water System, PWSID LA1081001, Louisiana”, https://aquacensus.com/water-systems/louisiana/town-of-coushatta-water-system-la1081001 (data as of October 1, 2026).