Public water system · LA1005035
ActiveParish Utilities of Ascension
At a glance
Parish Utilities of Ascension (PWSID LA1005035) is an active community water system in Ascension Parish County, Louisiana. It reports serving 9,732 people through 3,190 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,732
Service connections
3,190
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Parish Utilities of Ascension compare with other water systems in Ascension Parish County?
By EPA's size categories, Parish Utilities of Ascension is a medium system (3,301 to 10,000 people). Ascension Parish County has 27 active public water systems, and Parish Utilities of Ascension is the 2nd-largest of them by population served. Its population served is about 7.4 times the county average of 1,308 people per system, and accounts for 28% of the 35,302 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 Parish Utilities of Ascension is about 45% 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 Parish Utilities of Ascension?
EPA lists Parish Utilities of Ascension 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. 4 of the 27 active systems in Ascension Parish County (15%) are also owned by a local government.
Does Parish Utilities of Ascension have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2024. The violations listed here began between January 2016 and July 2024. By type: 5 required treatment not met, 3 monitoring and reporting, 2 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 disinfectant level above the legal limit. The contaminant or rule involved most often is Long Term 2 Enhanced Surface Water Treatment Rule (3 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 |
|---|---|---|---|---|
| 2024-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2018-02-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | 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 |
| 2016-06-23 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2016-05-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2016-05-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Resolved |
| 2016-04-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Long Term 2 Enhanced Surface Water Treatment Rulecode 0800 | Yes | Resolved |
| 2016-03-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | No | Resolved |
| 2016-03-01 | Disinfectant level above the legal limitAcute Maximum Residual Disinfectant Level · code 13 | Chlorine dioxidecode 1008 | Yes | Resolved |
| 2016-02-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloritecode 1009 | 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.
Parish Utilities of Ascension: frequently asked questions
Who runs Parish Utilities of Ascension?
Parish Utilities of Ascension (PWSID LA1005035) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Parish Utilities of Ascension serve?
Parish Utilities of Ascension reports serving 9,732 people through 3,190 service connections in Ascension Parish County, Louisiana.
Where does Parish Utilities of Ascension 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 Parish Utilities of Ascension have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in July 2024. 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 Parish Utilities of Ascension'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, 7 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Parish Utilities of Ascension's water quality report?
As a community water system, Parish Utilities of Ascension 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 Ascension Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Gonzales Water System | Ascension Parish | 16,806 | Community | Groundwater |
| Ascension Consolidated Utility Dist 1 | Ascension Parish | 2,229 | Community | Purchased surface water |
| Basf Corporation | Ascension Parish | 1,391 | Non-transient non-community | Groundwater |
| Ascension Parish Water Works District 2 | Ascension Parish | 1,353 | Community | Purchased groundwater |
| Shell Chemical Company | Ascension Parish | 750 | Non-transient non-community | Surface water |
| Occidental Chemical Corporation | Ascension Parish | 500 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Parish Utilities of Ascension, PWSID LA1005035, Louisiana”, https://aquacensus.com/water-systems/louisiana/parish-utilities-of-ascension-la1005035 (data as of October 1, 2026).