La Salle Parish County, Louisiana — public water systems
At a glance
12 active public water systems are filed under La Salle Parish County, Louisiana in EPA's SDWIS records, together reporting 19,338 people served. The largest is Town of Jena Water System, which reports serving 3,614 people. All 12 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
12
Population served
19.3K
Community systems
12
Groundwater share
100%
How does La Salle Parish County compare with other Louisiana counties?
La Salle Parish County has the 33rd-most active public water systems among the 79 counties listed for active Louisiana systems in EPA records; among the 59 with 3 or more systems, the median has 13. Its systems report 19,338 people served in total, the 52nd-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 1,612 people, about 66% below the Louisiana average of 4,685. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does La Salle Parish County's drinking water come from?
By primary water source, La Salle Parish County's active systems draw on groundwater (11, 92%) and purchased groundwater (1, 8.3%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 7.7% across Louisiana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Town of Jena Water System, draws primarily on groundwater.
What kinds of water systems operate in La Salle Parish County?
La Salle Parish County's active systems break down as 12 community systems (100%). 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. EPA lists their owner types as private (50%) and local government (50%).
Water systems in La Salle Parish County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Town of Jena Water System | La Salle Parish | 3,614 | Community | Groundwater |
| 2 | Lasalle Waterworks District 1 | La Salle Parish | 3,240 | Community | Groundwater |
| 3 | Town of Olla Water System | La Salle Parish | 2,565 | Community | Groundwater |
| 4 | Nebo Water System Inc. | La Salle Parish | 2,460 | Community | Groundwater |
| 5 | Belah Fellowship Water System | La Salle Parish | 1,806 | Community | Groundwater |
| 6 | Summerville Water System | La Salle Parish | 1,425 | Community | Groundwater |
| 7 | East Jena Water System Inc.. | La Salle Parish | 990 | Community | Groundwater |
| 8 | Village of Tullos Water System | La Salle Parish | 792 | Community | Groundwater |
| 9 | Village of Urania Water System | La Salle Parish | 784 | Community | Groundwater |
| 10 | Whitehall Water System Inc. | La Salle Parish | 627 | Community | Groundwater |
| 11 | Pleasant Ridge Water System | La Salle Parish | 540 | Community | Purchased groundwater |
| 12 | Rogers Community Water System Inc. | La Salle Parish | 495 | Community | Groundwater |
La Salle Parish County water systems: frequently asked questions
How many public water systems are in La Salle Parish County, Louisiana?
EPA's SDWIS records file 12 active public water systems under La Salle Parish County, Louisiana: 12 community systems (100%).
Who supplies drinking water in La Salle Parish County, LA?
The largest community water systems filed under La Salle Parish County are Town of Jena Water System (3,614 people served), Lasalle Waterworks District 1 (3,240 people served) and Town of Olla Water System (2,565 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does La Salle Parish County's drinking water come from groundwater or surface water?
Of the 12 active public water systems in La Salle Parish County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Town of Jena Water System, uses groundwater.
Where can I find a water quality report for La Salle Parish County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 12 community systems are filed under La Salle Parish County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in La Salle Parish County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Louisiana water systems
- All Louisiana public water systems· 1,121 active
- Iberville Parish County· 13 systems
- Winn Parish County· 13 systems
- Acadia Parish County· 12 systems
- De Soto Parish County· 12 systems
- Red River Parish County· 12 systems
- St. John the Baptist Parish County· 12 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in La Salle Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/la-salle-parish (data as of October 1, 2026).