De Soto Parish County, Louisiana — public water systems
At a glance
12 active public water systems are filed under De Soto Parish County, Louisiana in EPA's SDWIS records, together reporting 34,752 people served. The largest is North Desoto Water System, which reports serving 7,608 people. 9 are community water systems serving people where they live; the other 3 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
12
Population served
34.8K
Community systems
9
Groundwater share
75%
How does De Soto Parish County compare with other Louisiana counties?
De Soto Parish County has the 32nd-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 34,752 people served in total, the 35th-largest county figure in the state and 0.7% of the statewide total. The average system here reports serving 2,896 people, about 38% 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 De Soto Parish County's drinking water come from?
By primary water source, De Soto Parish County's active systems draw on groundwater (9, 75%) and surface water (3, 25%). Overall, 75% rely mainly on groundwater (including purchased groundwater) and 25% 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, North Desoto Water System, draws primarily on groundwater.
What kinds of water systems operate in De Soto Parish County?
De Soto Parish County's active systems break down as 9 community systems (75%), 1 non-transient non-community systems (8.3%) and 2 transient non-community systems (17%). 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. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (67%) and local government (33%).
Water systems in De Soto Parish County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | North Desoto Water System | De Soto Parish | 7,608 | Community | Groundwater |
| 2 | City of Mansfield Water System | De Soto Parish | 7,512 | Community | Surface water |
| 3 | Desoto Parish Water Works District 1 | De Soto Parish | 7,173 | Community | Surface water |
| 4 | Keatchie Water System | De Soto Parish | 4,446 | Community | Groundwater |
| 5 | Town of Logansport Water System | De Soto Parish | 2,448 | Community | Surface water |
| 6 | East Desoto Water System | De Soto Parish | 1,455 | Community | Groundwater |
| 7 | Rambin-Wallace Water System | De Soto Parish | 1,161 | Community | Groundwater |
| 8 | South Desoto Water System | De Soto Parish | 963 | Community | Groundwater |
| 9 | Village of South Mansfield Water System | De Soto Parish | 933 | Community | Groundwater |
| 10 | International Paper - Mansfield | De Soto Parish | 908 | Non-transient non-community | Groundwater |
| 11 | Kinsey Scout Reservation Water System | De Soto Parish | 120 | Transient non-community | Groundwater |
| 12 | Paul'S Liquor Water System | De Soto Parish | 25 | Transient non-community | Groundwater |
De Soto Parish County water systems: frequently asked questions
How many public water systems are in De Soto Parish County, Louisiana?
EPA's SDWIS records file 12 active public water systems under De Soto Parish County, Louisiana: 9 community systems (75%), 1 non-transient non-community systems (8.3%) and 2 transient non-community systems (17%).
Who supplies drinking water in De Soto Parish County, LA?
The largest community water systems filed under De Soto Parish County are North Desoto Water System (7,608 people served), City of Mansfield Water System (7,512 people served) and Desoto Parish Water Works District 1 (7,173 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 De Soto Parish County's drinking water come from groundwater or surface water?
Of the 12 active public water systems in De Soto Parish County, 75% draw mainly on groundwater and 25% on surface water, counting purchased supplies. The largest system, North Desoto Water System, uses groundwater.
Where can I find a water quality report for De Soto 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. 9 community systems are filed under De Soto 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 De Soto 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
- Iberia Parish County· 13 systems
- Iberville Parish County· 13 systems
- Winn Parish County· 13 systems
- Acadia Parish County· 12 systems
- La Salle Parish County· 12 systems
- Red River 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 De Soto Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/de-soto-parish (data as of October 1, 2026).