Public water system · LA1109001
ActiveHouma Water Treatment Service Area
At a glance
Houma Water Treatment Service Area (PWSID LA1109001) is an active community water system in Terrebonne Parish County, Louisiana. It reports serving 11,658 people through 3,886 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,658
Service connections
3,886
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Houma Water Treatment Service Area compare with other water systems in Terrebonne Parish County?
By EPA's size categories, Houma Water Treatment Service Area is a large system (10,001 to 100,000 people). Terrebonne Parish County has 2 active public water systems, and Houma Water Treatment Service Area is the 2nd-largest of them by population served. Its population served is well below the county average of 64,059 people per system, and accounts for 9.1% of the 128,118 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 Houma Water Treatment Service Area is about 74% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 Louisiana systems (4.7%) list surface water as their primary source.
Who owns and regulates Houma Water Treatment Service Area?
EPA lists Houma Water Treatment Service Area 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. 2 of the 2 active systems in Terrebonne Parish County (100%) are also owned by a local government.
Does Houma Water Treatment Service Area have drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2020. The violations listed here began between July 1994 and July 2020. By type: 4 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 1 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2020-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorine dioxidecode 1008 | No | Resolved |
| 2018-04-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2017-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2002-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 1994-07-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Archived |
All 8 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.
Houma Water Treatment Service Area: frequently asked questions
Who runs Houma Water Treatment Service Area?
Houma Water Treatment Service Area (PWSID LA1109001) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Houma Water Treatment Service Area serve?
Houma Water Treatment Service Area reports serving 11,658 people through 3,886 service connections in Terrebonne Parish County, Louisiana.
Where does Houma Water Treatment Service Area get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Houma Water Treatment Service Area have any drinking water violations?
EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2020. 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 Houma Water Treatment Service Area'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. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in July 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Houma Water Treatment Service Area's water quality report?
As a community water system, Houma Water Treatment Service Area 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 Terrebonne Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Schriever Water Treatment Service Area | Terrebonne Parish | 116,460 | Community | Surface water |
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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, “Houma Water Treatment Service Area, PWSID LA1109001, Louisiana”, https://aquacensus.com/water-systems/louisiana/houma-water-treatment-service-area-la1109001 (data as of October 1, 2026).