Jefferson County, Mississippi — public water systems
At a glance
6 active public water systems are filed under Jefferson County, Mississippi in EPA's SDWIS records, together reporting 8,516 people served. The largest is Lorman Water Association, which reports serving 2,162 people. All 6 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
6
Population served
8.5K
Community systems
6
Groundwater share
100%
How does Jefferson County compare with other Mississippi counties?
Jefferson County has the 74th-most active public water systems among the 98 counties listed for active Mississippi systems in EPA records; among the 82 with 3 or more systems, the median has 12. Its systems report 8,516 people served in total, the 77th-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 1,419 people, about half of the Mississippi average of 2,832. 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 Jefferson County's drinking water come from?
By primary water source, Jefferson County's active systems draw on groundwater (6, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 99% and 1.2% across Mississippi. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Lorman Water Association, draws primarily on groundwater.
What kinds of water systems operate in Jefferson County?
Jefferson County's active systems break down as 6 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 public/private partnership (83%) and local government (17%).
Water systems in Jefferson County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Lorman Water Association | Jefferson | 2,162 | Community | Groundwater |
| 2 | City of Fayette | Jefferson | 2,000 | Community | Groundwater |
| 3 | Union Church Waterworks Assn | Jefferson | 1,456 | Community | Groundwater |
| 4 | Mcnair-Stampley W/A #2 | Jefferson | 1,188 | Community | Groundwater |
| 5 | Mcnair-Stampley W/A #1 | Jefferson | 1,148 | Community | Groundwater |
| 6 | Mcnair-Stampley W/A #3 | Jefferson | 562 | Community | Groundwater |
Jefferson County water systems: frequently asked questions
How many public water systems are in Jefferson County, Mississippi?
EPA's SDWIS records file 6 active public water systems under Jefferson County, Mississippi: 6 community systems (100%).
Who supplies drinking water in Jefferson County, MS?
The largest community water systems filed under Jefferson County are Lorman Water Association (2,162 people served), City of Fayette (2,000 people served) and Union Church Waterworks Assn (1,456 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 Jefferson County's drinking water come from groundwater or surface water?
Of the 6 active public water systems in Jefferson County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Lorman Water Association, uses groundwater.
Where can I find a water quality report for Jefferson 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. 6 community systems are filed under Jefferson 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 Jefferson 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 Mississippi water systems
- All Mississippi public water systems· 1,133 active
- Jefferson Davis County· 7 systems
- Warren County· 7 systems
- Benton County· 6 systems
- Carroll County· 6 systems
- Neshoba County· 6 systems
- Walthall County· 6 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 Jefferson County, Mississippi”, https://aquacensus.com/water-systems/mississippi/jefferson (data as of October 1, 2026).