Public water system · LA1029005
ActiveTown of Ferriday Water System
At a glance
Town of Ferriday Water System (PWSID LA1029005) is an active community water system in Concordia Parish County, Louisiana. It reports serving 3,816 people through 1,272 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 March 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,816
Service connections
1,272
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Town of Ferriday Water System compare with other water systems in Concordia Parish County?
By EPA's size categories, Town of Ferriday Water System is a medium system (3,301 to 10,000 people). Concordia Parish County has 8 active public water systems, and Town of Ferriday Water System is the 4th-largest of them by population served. Its population served is about 18% above the county average of 3,231 people per system, and accounts for 15% of the 25,845 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 Ferriday Water System is about 43% 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 Ferriday Water System?
EPA lists Town of Ferriday 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 Concordia Parish County (75%) are also owned by a local government.
Does Town of Ferriday 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 March 2026. The violations listed here began between January 2025 and March 2026. By type: 6 required treatment not met, 3 public notice, recordkeeping or other, 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Groundwater Rule (7 of them). EPA lists 9 as archived, 2 as resolved and 1 as unaddressed. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-03-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2026-01-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Archived |
| 2025-10-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2025-09-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2025-08-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2025-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-07-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2025-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Archived |
| 2025-04-29 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2025-01-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | 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.
Town of Ferriday Water System: frequently asked questions
Who runs Town of Ferriday Water System?
Town of Ferriday Water System (PWSID LA1029005) 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 Ferriday Water System serve?
Town of Ferriday Water System reports serving 3,816 people through 1,272 service connections in Concordia Parish County, Louisiana.
Where does Town of Ferriday 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 Ferriday 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 March 2026. 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 Ferriday 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 March 2026. 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 Ferriday Water System's water quality report?
As a community water system, Town of Ferriday 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 Concordia Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Concordia Waterworks District 1 | Concordia Parish | 6,921 | Community | Groundwater |
| Town of Vidalia Water System | Concordia Parish | 6,354 | Community | Groundwater |
| Monterey Rural Water System Inc. | Concordia Parish | 5,250 | Community | Groundwater |
| Lake St John Waterworks District 1 | Concordia Parish | 2,067 | Community | Groundwater |
| Village of Clayton Water System | Concordia Parish | 723 | Community | Groundwater |
| Village of Ridgecrest Water Supply | Concordia Parish | 684 | Community | Purchased 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 Ferriday Water System, PWSID LA1029005, Louisiana”, https://aquacensus.com/water-systems/louisiana/town-of-ferriday-water-system-la1029005 (data as of October 1, 2026).