Public water system · LA1099002
ActiveBayou Teche Water Works
At a glance
Bayou Teche Water Works (PWSID LA1099002) is an active community water system in St. Martin Parish County, Louisiana. It reports serving 10,137 people through 3,379 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, 8 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,137
Service connections
3,379
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Bayou Teche Water Works compare with other water systems in St. Martin Parish County?
By EPA's size categories, Bayou Teche Water Works is a large system (10,001 to 100,000 people). St. Martin Parish County has 24 active public water systems, and Bayou Teche Water Works is the 3rd-largest of them by population served. Its population served is about 3.1 times the county average of 3,304 people per system, and accounts for 13% 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 Bayou Teche Water Works is about 51% 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 Bayou Teche Water Works?
EPA lists Bayou Teche Water Works 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 Bayou Teche Water Works have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025. The violations listed here began between June 2014 and July 2025. By type: 5 required treatment not met, 3 monitoring and reporting, 3 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (4 of them). EPA lists 11 as resolved and 1 as unaddressed. 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2022-02-07 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-02-07 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-02-07 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-02-07 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2017-03-04 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | 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 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2014-07-31 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-06-01 | 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.
Bayou Teche Water Works: frequently asked questions
Who runs Bayou Teche Water Works?
Bayou Teche Water Works (PWSID LA1099002) is a community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Bayou Teche Water Works serve?
Bayou Teche Water Works reports serving 10,137 people through 3,379 service connections in St. Martin Parish County, Louisiana.
Where does Bayou Teche Water Works 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 Bayou Teche Water Works 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 July 2025. 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 Bayou Teche Water Works' 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 July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Bayou Teche Water Works' water quality report?
As a community water system, Bayou Teche Water Works 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 |
| Cecilia Water Corporation | St. Martin Parish | 12,420 | 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, “Bayou Teche Water Works, PWSID LA1099002, Louisiana”, https://aquacensus.com/water-systems/louisiana/bayou-teche-water-works-la1099002 (data as of October 1, 2026).