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Lincoln Parish County, Louisiana — public water systems

At a glance

22 active public water systems are filed under Lincoln Parish County, Louisiana in EPA's SDWIS records, together reporting 60,724 people served. The largest is City of Ruston Water System, which reports serving 22,468 people. 20 are community water systems serving people where they live; the other 2 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

22

Population served

60.7K

Community systems

20

Groundwater share

100%

How does Lincoln Parish County compare with other Louisiana counties?

Lincoln Parish County has the 16th-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 60,724 people served in total, the 22nd-largest county figure in the state and 1.2% of the statewide total. The average system here reports serving 2,760 people, about 41% 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 Lincoln Parish County's drinking water come from?

By primary water source, Lincoln Parish County's active systems draw on groundwater (19, 86%) and purchased groundwater (3, 14%). 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 Ruston Water System, draws primarily on groundwater.

What kinds of water systems operate in Lincoln Parish County?

Lincoln Parish County's active systems break down as 20 community systems (91%), 1 non-transient non-community systems (4.5%) and 1 transient non-community systems (4.5%). 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 local government (50%), private (45%) and state government (4.5%).

Water systems in Lincoln Parish County

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Active public water systems in Lincoln Parish County, Louisiana
#Water systemCountyPopulation servedTypeSource
1City of Ruston Water SystemLincoln Parish22,468CommunityGroundwater
2Grambling State University WsLincoln Parish6,000CommunityGroundwater
3Town of Grambling Water SystemLincoln Parish4,949CommunityGroundwater
4Wesley Chapel Water SystemLincoln Parish4,080CommunityGroundwater
5Greater Ward 1 Waterworks DistrictLincoln Parish3,333CommunityGroundwater
6Culbertson Water SystemLincoln Parish3,300CommunityGroundwater
7Lincoln Parish Waterworks District #3Lincoln Parish2,730CommunityGroundwater
8Village of Choudrant Water SystemLincoln Parish1,950CommunityGroundwater
9Mt Zion Water SystemLincoln Parish1,635CommunityGroundwater
10Hico Water SystemLincoln Parish1,530CommunityGroundwater
11Hilly-Greenwood Water SystemLincoln Parish1,476CommunityGroundwater
12Village of Dubach Water SystemLincoln Parish1,218CommunityGroundwater
13Village of Simsboro Water SystemLincoln Parish1,083CommunityGroundwater
14Lincoln Parish Waterworks District #2Lincoln Parish915CommunityPurchased groundwater
15Mt Olive Waterworks DistrictLincoln Parish900CommunityGroundwater
16Mineral Springs Water SystemLincoln Parish900CommunityGroundwater
17Fellowship Water SystemLincoln Parish795CommunityGroundwater
18Lincoln Parish Waterworks District #1Lincoln Parish570CommunityGroundwater
19Tremont Water DistrictLincoln Parish510CommunityPurchased groundwater
20Riser Road Water SystemLincoln Parish198CommunityPurchased groundwater
21Weyerhaeuser Nr - Arcadia OsbLincoln Parish120Non-transient non-communityGroundwater
22Dubach Deer Factory Water SystemLincoln Parish64Transient non-communityGroundwater

Lincoln Parish County water systems: frequently asked questions

How many public water systems are in Lincoln Parish County, Louisiana?

EPA's SDWIS records file 22 active public water systems under Lincoln Parish County, Louisiana: 20 community systems (91%), 1 non-transient non-community systems (4.5%) and 1 transient non-community systems (4.5%).

Who supplies drinking water in Lincoln Parish County, LA?

The largest community water systems filed under Lincoln Parish County are City of Ruston Water System (22,468 people served), Grambling State University Ws (6,000 people served) and Town of Grambling Water System (4,949 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 Lincoln Parish County's drinking water come from groundwater or surface water?

Of the 22 active public water systems in Lincoln Parish County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Ruston Water System, uses groundwater.

Where can I find a water quality report for Lincoln 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. 20 community systems are filed under Lincoln 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 Lincoln 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

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 Lincoln Parish County, Louisiana”, https://aquacensus.com/water-systems/louisiana/lincoln-parish (data as of October 1, 2026).