Public water system · LA1059002
ActiveLasalle Waterworks District 1
At a glance
Lasalle Waterworks District 1 (PWSID LA1059002) is an active community water system in La Salle Parish County, Louisiana. It reports serving 3,240 people through 1,080 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 8 are health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,240
Service connections
1,080
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lasalle Waterworks District 1 compare with other water systems in La Salle Parish County?
By EPA's size categories, Lasalle Waterworks District 1 is a small system (501 to 3,300 people). La Salle Parish County has 12 active public water systems, and Lasalle Waterworks District 1 is the 2nd-largest of them by population served. Its population served is about twice the county average of 1,612 people per system, and accounts for 17% of the 19,338 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 Lasalle Waterworks District 1 is about half of 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 Lasalle Waterworks District 1?
EPA lists Lasalle Waterworks District 1 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 12 active systems in La Salle Parish County (50%) are also owned by a local government.
Does Lasalle Waterworks District 1 have drinking water violations?
EPA's records list 11 violations for this system; 8 are health-based, and the most recent began in October 2023. The violations listed here began between September 1992 and October 2023. By type: 4 required treatment not met, 4 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 7 as resolved and 4 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 |
|---|---|---|---|---|
| 2023-10-10 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2023-10-10 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-02-11 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2018-07-11 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2006-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2006-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 11 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.
Lasalle Waterworks District 1: frequently asked questions
Who runs Lasalle Waterworks District 1?
Lasalle Waterworks District 1 (PWSID LA1059002) is a community water system owned by a local government. It is regulated by the LA state drinking water program.
How many people does Lasalle Waterworks District 1 serve?
Lasalle Waterworks District 1 reports serving 3,240 people through 1,080 service connections in La Salle Parish County, Louisiana.
Where does Lasalle Waterworks District 1 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 Lasalle Waterworks District 1 have any drinking water violations?
EPA's records list 11 violations for this system; 8 are health-based, and the most recent began in October 2023. 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 Lasalle Waterworks District 1'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 11 violations for this system; 8 are health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the LA state drinking water program.
Where can I find Lasalle Waterworks District 1's water quality report?
As a community water system, Lasalle Waterworks District 1 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 La Salle Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Town of Jena Water System | La Salle Parish | 3,614 | Community | Groundwater |
| Town of Olla Water System | La Salle Parish | 2,565 | Community | Groundwater |
| Nebo Water System Inc. | La Salle Parish | 2,460 | Community | Groundwater |
| Belah Fellowship Water System | La Salle Parish | 1,806 | Community | Groundwater |
| Summerville Water System | La Salle Parish | 1,425 | Community | Groundwater |
| East Jena Water System Inc.. | La Salle Parish | 990 | 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, “Lasalle Waterworks District 1, PWSID LA1059002, Louisiana”, https://aquacensus.com/water-systems/louisiana/lasalle-waterworks-district-1-la1059002 (data as of October 1, 2026).