Winn Parish County, Louisiana — public water systems
At a glance
13 active public water systems are filed under Winn Parish County, Louisiana in EPA's SDWIS records, together reporting 17,203 people served. The largest is City of Winnfield Water System, which reports serving 7,194 people. 12 are community water systems serving people where they live; the other 1 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
13
Population served
17.2K
Community systems
12
Groundwater share
100%
How does Winn Parish County compare with other Louisiana counties?
Winn Parish County has the 30th-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 17,203 people served in total, the 55th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 1,323 people, well 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 Winn Parish County's drinking water come from?
By primary water source, Winn Parish County's active systems draw on groundwater (13, 100%). 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, City of Winnfield Water System, draws primarily on groundwater.
What kinds of water systems operate in Winn Parish County?
Winn Parish County's active systems break down as 12 community systems (92%) and 1 non-transient non-community systems (7.7%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. EPA lists their owner types as private (62%), local government (31%) and federal government (7.7%).
Water systems in Winn Parish County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | City of Winnfield Water System | Winn Parish | 7,194 | Community | Groundwater |
| 2 | West Winn Water System Inc. | Winn Parish | 1,965 | Community | Groundwater |
| 3 | Tannehill Water System | Winn Parish | 1,932 | Community | Groundwater |
| 4 | Village of Atlanta Water Supply | Winn Parish | 900 | Community | Groundwater |
| 5 | Pleasant Hills-Crossroads Water Systems | Winn Parish | 840 | Community | Groundwater |
| 6 | Backwood Village Water System | Winn Parish | 783 | Community | Groundwater |
| 7 | Village of Dodson Water System | Winn Parish | 714 | Community | Groundwater |
| 8 | Hudson Gaars Mill Water System | Winn Parish | 660 | Community | Groundwater |
| 9 | Village of Sikes Water System | Winn Parish | 639 | Community | Groundwater |
| 10 | Village of Calvin Water System | Winn Parish | 591 | Community | Groundwater |
| 11 | Joyce Water Supply | Winn Parish | 474 | Community | Groundwater |
| 12 | Wheeling Water System Inc. | Winn Parish | 381 | Community | Groundwater |
| 13 | Us Forestry - Gum Springs | Winn Parish | 130 | Non-transient non-community | Groundwater |
Winn Parish County water systems: frequently asked questions
How many public water systems are in Winn Parish County, Louisiana?
EPA's SDWIS records file 13 active public water systems under Winn Parish County, Louisiana: 12 community systems (92%) and 1 non-transient non-community systems (7.7%).
Who supplies drinking water in Winn Parish County, LA?
The largest community water systems filed under Winn Parish County are City of Winnfield Water System (7,194 people served), West Winn Water System Inc. (1,965 people served) and Tannehill Water System (1,932 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 Winn Parish County's drinking water come from groundwater or surface water?
Of the 13 active public water systems in Winn Parish County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Winnfield Water System, uses groundwater.
Where can I find a water quality report for Winn 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 Winn 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 Winn 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
- Natchitoches Parish County· 14 systems
- Grant Parish County· 13 systems
- Iberia Parish County· 13 systems
- Iberville Parish County· 13 systems
- Acadia Parish County· 12 systems
- De Soto 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 Winn Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/winn-parish (data as of October 1, 2026).