Tensas Parish County, Louisiana — public water systems
At a glance
5 active public water systems are filed under Tensas Parish County, Louisiana in EPA's SDWIS records, together reporting 8,336 people served. The largest is Tensas Water District Association, which reports serving 3,843 people. All 5 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
5
Population served
8.3K
Community systems
5
Groundwater share
20%
How does Tensas Parish County compare with other Louisiana counties?
Tensas Parish County has the 55th-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 8,336 people served in total, the 63rd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 1,667 people, about 64% 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 Tensas Parish County's drinking water come from?
By primary water source, Tensas Parish County's active systems draw on purchased surface water (2, 40%), surface water (2, 40%) and groundwater (1, 20%). Overall, 20% rely mainly on groundwater (including purchased groundwater) and 80% on surface water, compared with 92% and 7.7% across Louisiana. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Tensas Water District Association, draws primarily on surface water.
What kinds of water systems operate in Tensas Parish County?
Tensas Parish County's active systems break down as 5 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 local government (80%) and private (20%).
Water systems in Tensas Parish County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Tensas Water District Association | Tensas Parish | 3,843 | Community | Surface water |
| 2 | Town of St Joseph Water System | Tensas Parish | 1,332 | Community | Groundwater |
| 3 | Lake Bruin Water District #1 | Tensas Parish | 1,275 | Community | Purchased surface water |
| 4 | Town of Newellton Water System | Tensas Parish | 1,100 | Community | Surface water |
| 5 | Village of Waterproof Water System | Tensas Parish | 786 | Community | Purchased surface water |
Tensas Parish County water systems: frequently asked questions
How many public water systems are in Tensas Parish County, Louisiana?
EPA's SDWIS records file 5 active public water systems under Tensas Parish County, Louisiana: 5 community systems (100%).
Who supplies drinking water in Tensas Parish County, LA?
The largest community water systems filed under Tensas Parish County are Tensas Water District Association (3,843 people served), Town of St Joseph Water System (1,332 people served) and Lake Bruin Water District #1 (1,275 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 Tensas Parish County's drinking water come from groundwater or surface water?
Of the 5 active public water systems in Tensas Parish County, 20% draw mainly on groundwater and 80% on surface water, counting purchased supplies. The largest system, Tensas Water District Association, uses surface water.
Where can I find a water quality report for Tensas 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. 5 community systems are filed under Tensas 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 Tensas 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
- West Carroll Parish County· 7 systems
- St. Helena Parish County· 6 systems
- Plaquemines Parish County· 5 systems
- St. James Parish County· 5 systems
- East Carroll Parish County· 4 systems
- Jefferson Parish County· 4 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 Tensas Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/tensas-parish (data as of October 1, 2026).