Public water system · LA1099005
ActiveCecilia Water Corporation
At a glance
Cecilia Water Corporation (PWSID LA1099005) is an active community water system in St. Martin Parish County, Louisiana. It reports serving 12,420 people through 4,140 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,420
Service connections
4,140
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cecilia Water Corporation compare with other water systems in St. Martin Parish County?
By EPA's size categories, Cecilia Water Corporation is a large system (10,001 to 100,000 people). St. Martin Parish County has 24 active public water systems, and Cecilia Water Corporation is the 2nd-largest of them by population served. Its population served is about 3.8 times the county average of 3,304 people per system, and accounts for 16% of the 79,285 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 Cecilia Water Corporation is about 85% above 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 Cecilia Water Corporation?
EPA lists Cecilia Water Corporation 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. 15 of the 24 active systems in St. Martin Parish County (63%) are also privately owned.
Does Cecilia Water Corporation have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 2022. The violations listed here began between August 2008 and July 2022. By type: 7 required treatment not met, 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (6 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 |
|---|---|---|---|---|
| 2022-07-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-07-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-07-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-07-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-07-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-06-02 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2016-09-02 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | 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.
Cecilia Water Corporation: frequently asked questions
Who runs Cecilia Water Corporation?
Cecilia Water Corporation (PWSID LA1099005) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Cecilia Water Corporation serve?
Cecilia Water Corporation reports serving 12,420 people through 4,140 service connections in St. Martin Parish County, Louisiana.
Where does Cecilia Water Corporation 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 Cecilia Water Corporation have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in July 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 Cecilia Water Corporation'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, 9 are health-based, and the most recent began in July 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 Cecilia Water Corporation's water quality report?
As a community water system, Cecilia Water Corporation 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 St. Martin Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Village of Parks Water System | St. Martin Parish | 12,801 | Community | Groundwater |
| Bayou Teche Water Works | St. Martin Parish | 10,137 | Community | Groundwater |
| City of Breaux Bridge Water System | St. Martin Parish | 10,098 | Community | Groundwater |
| City of St Martinville Water System | St. Martin Parish | 7,263 | Community | Groundwater |
| Henderson Nina Water System Inc. | St. Martin Parish | 5,535 | Community | Groundwater |
| United Water System | St. Martin Parish | 4,446 | 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, “Cecilia Water Corporation, PWSID LA1099005, Louisiana”, https://aquacensus.com/water-systems/louisiana/cecilia-water-corporation-la1099005 (data as of October 1, 2026).