Public water system · LA1011007
ActiveTown of Merryville Water System
At a glance
Town of Merryville Water System (PWSID LA1011007) is an active community water system in Beauregard Parish County, Louisiana. It reports serving 1,107 people through 369 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, 7 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,107
Service connections
369
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Town of Merryville Water System compare with other water systems in Beauregard Parish County?
By EPA's size categories, Town of Merryville Water System is a small system (501 to 3,300 people). Beauregard Parish County has 8 active public water systems, and Town of Merryville Water System is the 4th-largest of them by population served. Its population served is well below the county average of 6,058 people per system, and accounts for 2.3% of the 48,460 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 Merryville Water System is well below 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 Merryville Water System?
EPA lists Town of Merryville 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. 6 of the 8 active systems in Beauregard Parish County (75%) are also owned by a local government.
Does Town of Merryville Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024. The violations listed here began between November 1999 and October 2024. By type: 6 contaminant level above the legal limit, 5 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 11 as resolved 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. 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 |
|---|---|---|---|---|
| 2024-10-15 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-11-21 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2015-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2002-01-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-12-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-11-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-09-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-15 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-11-15 | 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 Merryville Water System: frequently asked questions
Who runs Town of Merryville Water System?
Town of Merryville Water System (PWSID LA1011007) 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 Merryville Water System serve?
Town of Merryville Water System reports serving 1,107 people through 369 service connections in Beauregard Parish County, Louisiana.
Where does Town of Merryville 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 Merryville Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2024. 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 Merryville 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, 7 are health-based, and the most recent began in October 2024. 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 Merryville Water System's water quality report?
As a community water system, Town of Merryville 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 Beauregard Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Beauregard Water Works Dist #3 | Beauregard Parish | 24,000 | Community | Groundwater |
| City of Deridder Water System | Beauregard Parish | 14,400 | Community | Groundwater |
| Beauregard District No 2 Ward No 5 | Beauregard Parish | 6,613 | Community | Groundwater |
| Beauregard Waterworks District No. 6 | Beauregard Parish | 993 | Community | Groundwater |
| Beauregard Water District #5 | Beauregard Parish | 672 | Community | Groundwater |
| Packaging Corp of America - Deridder | Beauregard Parish | 650 | Non-transient non-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 Merryville Water System, PWSID LA1011007, Louisiana”, https://aquacensus.com/water-systems/louisiana/town-of-merryville-water-system-la1011007 (data as of October 1, 2026).