Public water system · LA1003010
ActiveWest Allen Parish Water System
At a glance
West Allen Parish Water System (PWSID LA1003010) is an active community water system in Allen Parish County, Louisiana. It reports serving 3,582 people through 1,194 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, 11 are health-based, and the most recent began in January 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,582
Service connections
1,194
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Allen Parish Water System compare with other water systems in Allen Parish County?
By EPA's size categories, West Allen Parish Water System is a medium system (3,301 to 10,000 people). Allen Parish County has 10 active public water systems, and West Allen Parish Water System is the 3rd-largest of them by population served. Its population served is about 11% above the county average of 3,223 people per system, and accounts for 11% of the 32,229 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 West Allen Parish 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 West Allen Parish Water System?
EPA lists West Allen Parish 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. 9 of the 10 active systems in Allen Parish County (90%) are also owned by a local government.
Does West Allen Parish Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in January 2017. The violations listed here began between January 2013 and January 2017. By type: 11 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (12 of them). EPA lists 12 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2017-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-10-31 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2013-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
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.
West Allen Parish Water System: frequently asked questions
Who runs West Allen Parish Water System?
West Allen Parish Water System (PWSID LA1003010) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does West Allen Parish Water System serve?
West Allen Parish Water System reports serving 3,582 people through 1,194 service connections in Allen Parish County, Louisiana.
Where does West Allen Parish 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 West Allen Parish Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 11 are health-based, and the most recent began in January 2017. 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 West Allen Parish 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, 11 are health-based, and the most recent began in January 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find West Allen Parish Water System's water quality report?
As a community water system, West Allen Parish 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 Allen Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Southwest Allen Ww District No 2 | Allen Parish | 8,106 | Community | Groundwater |
| City of Oakdale Water System | Allen Parish | 6,114 | Community | Groundwater |
| Town of Kinder Water System | Allen Parish | 3,195 | Community | Purchased groundwater |
| East Allen Parish Water Works | Allen Parish | 3,030 | Community | Groundwater |
| Town of Oberlin Water System | Allen Parish | 2,730 | Community | Groundwater |
| Northwest Allen Parish Ww District | Allen Parish | 1,767 | 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, “West Allen Parish Water System, PWSID LA1003010, Louisiana”, https://aquacensus.com/water-systems/louisiana/west-allen-parish-water-system-la1003010 (data as of October 1, 2026).