Public water system · LA1073061
ActiveHidden Oaks Subdivision Ws
At a glance
Hidden Oaks Subdivision Ws (PWSID LA1073061) is an active community water system in Ouachita Parish County, Louisiana. It reports serving 438 people through 146 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
438
Service connections
146
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Hidden Oaks Subdivision Ws compare with other water systems in Ouachita Parish County?
By EPA's size categories, Hidden Oaks Subdivision Ws is a very small system (500 people or fewer). Ouachita Parish County has 28 active public water systems. Its population served is well below the county average of 6,514 people per system, and accounts for 0.2% of the 182,392 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 Hidden Oaks Subdivision Ws 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 69 Louisiana systems (6.2%) list purchased groundwater as their primary source.
Who owns and regulates Hidden Oaks Subdivision Ws?
EPA lists Hidden Oaks Subdivision Ws as privately owned. 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. 25 of the 28 active systems in Ouachita Parish County (89%) are also privately owned.
Does Hidden Oaks Subdivision Ws have drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2022. The violations listed here began between July 2018 and October 2022. By type: 12 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (9 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 |
|---|---|---|---|---|
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2019-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2018-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2018-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2018-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2018-07-01 | 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.
Hidden Oaks Subdivision Ws: frequently asked questions
Who runs Hidden Oaks Subdivision Ws?
Hidden Oaks Subdivision Ws (PWSID LA1073061) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Hidden Oaks Subdivision Ws serve?
Hidden Oaks Subdivision Ws reports serving 438 people through 146 service connections in Ouachita Parish County, Louisiana.
Where does Hidden Oaks Subdivision Ws get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Hidden Oaks Subdivision Ws have any drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in October 2022. 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 Hidden Oaks Subdivision Ws' 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, 12 are health-based, and the most recent began in October 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Hidden Oaks Subdivision Ws' water quality report?
As a community water system, Hidden Oaks Subdivision Ws 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 Ouachita Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Monroe Water System | Ouachita Parish | 57,000 | Community | Surface water |
| West Monroe Water System | Ouachita Parish | 16,005 | Community | Groundwater |
| West Hwy 80 Ark Road Ws | Ouachita Parish | 14,649 | Community | Groundwater |
| Gowc North Water System | Ouachita Parish | 13,287 | Community | Groundwater |
| Gowc East Water System | Ouachita Parish | 11,742 | Community | Groundwater |
| Cheniere Drew North Water System | Ouachita Parish | 11,280 | 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, “Hidden Oaks Subdivision Ws, PWSID LA1073061, Louisiana”, https://aquacensus.com/water-systems/louisiana/hidden-oaks-subdivision-ws-la1073061 (data as of October 1, 2026).