St. Francois County, Missouri — public water systems
At a glance
39 active public water systems are filed under St. Francois County, Missouri in EPA's SDWIS records, together reporting 55,041 people served. The largest is Farmington Pws, which reports serving 18,217 people. 20 are community water systems serving people where they live; the other 19 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
39
Population served
55K
Community systems
20
Groundwater share
97.4%
How does St. Francois County compare with other Missouri counties?
St. Francois County has the 15th-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 55,041 people served in total, the 20th-largest county figure in the state and 0.9% of the statewide total. The average system here reports serving 1,411 people, about 31% below the Missouri average of 2,049. 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 St. Francois County's drinking water come from?
By primary water source, St. Francois County's active systems draw on groundwater (38, 97%) and surface water (1, 2.6%). Overall, 97% rely mainly on groundwater (including purchased groundwater) and 2.6% on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Farmington Pws, draws primarily on groundwater.
What kinds of water systems operate in St. Francois County?
St. Francois County's active systems break down as 20 community systems (51%), 4 non-transient non-community systems (10%) and 15 transient non-community systems (38%). 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%), local government (23%) and state government (10%).
Water systems in St. Francois County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Farmington Pws | St. Francois | 18,217 | Community | Groundwater |
| 2 | Park Hills Pws | St. Francois | 8,587 | Community | Groundwater |
| 3 | Desloge Pws | St. Francois | 5,034 | Community | Groundwater |
| 4 | Bonne Terre Pws | St. Francois | 3,537 | Community | Groundwater |
| 5 | Farmington Correctional Center | St. Francois | 3,500 | Community | Groundwater |
| 6 | Bonne Terre Prison | St. Francois | 3,500 | Community | Groundwater |
| 7 | Terre Du Lac | St. Francois | 3,200 | Community | Groundwater |
| 8 | Bismarck Pws | St. Francois | 1,475 | Community | Groundwater |
| 9 | Leadwood Pws | St. Francois | 1,200 | Community | Groundwater |
| 10 | Roseners Motel | St. Francois | 956 | Transient non-community | Groundwater |
| 11 | St Francois County Pwsd 2 | St. Francois | 850 | Community | Groundwater |
| 12 | S F Scout Ranch | St. Francois | 800 | Transient non-community | Surface water |
| 13 | St Francois State Park | St. Francois | 550 | Transient non-community | Groundwater |
| 14 | Pilot Knob Rural Wd 1 Doe Run Area | St. Francois | 507 | Community | Groundwater |
| 15 | Harvest Christian Center | St. Francois | 500 | Transient non-community | Groundwater |
| 16 | Hunters Ridge Subd | St. Francois | 441 | Community | Groundwater |
| 17 | Vca Properties LLC | St. Francois | 400 | Transient non-community | Groundwater |
| 18 | Eagle Estates | St. Francois | 366 | Community | Groundwater |
| 19 | Sherrys | St. Francois | 212 | Transient non-community | Groundwater |
| 20 | Walnut Grove MHP | St. Francois | 210 | Community | Groundwater |
| 21 | St Francois County Pwsd 1 | St. Francois | 140 | Community | Groundwater |
| 22 | Clubb Villa Senior Living | St. Francois | 110 | Community | Groundwater |
| 23 | Connections Church | St. Francois | 90 | Transient non-community | Groundwater |
| 24 | Stone Park Resort | St. Francois | 80 | Transient non-community | Groundwater |
| 25 | Farmington Assisted Living Center LLC | St. Francois | 75 | Community | Groundwater |
| 26 | Terrace of French Village | St. Francois | 75 | Transient non-community | Groundwater |
| 27 | Roys #7 | St. Francois | 50 | Transient non-community | Groundwater |
| 28 | Farmington Amvets Post 113 | St. Francois | 50 | Transient non-community | Groundwater |
| 29 | Big River Hills LLC | St. Francois | 48 | Community | Groundwater |
| 30 | Mississippi Lime Company Bonne Terre | St. Francois | 40 | Non-transient non-community | Groundwater |
| 31 | Dog House Saloon | St. Francois | 35 | Transient non-community | Groundwater |
| 32 | Sunshine Apartments | St. Francois | 30 | Community | Groundwater |
| 33 | Mrs Thrashers Advanced Learning Center | St. Francois | 26 | Non-transient non-community | Groundwater |
| 34 | Kidz World Daycare & Preschool | St. Francois | 25 | Non-transient non-community | Groundwater |
| 35 | Farmington Mennonite Church | St. Francois | 25 | Non-transient non-community | Groundwater |
| 36 | Cornerstone Event Center LLC | St. Francois | 25 | Transient non-community | Groundwater |
| 37 | St Joe State Park | St. Francois | 25 | Transient non-community | Groundwater |
| 38 | St Francois Country Club Inc. | St. Francois | 25 | Transient non-community | Groundwater |
| 39 | New Hope Residential Care Inc. | St. Francois | 25 | Community | Groundwater |
Also serving St. Francois County
These systems serve several counties, including St. Francois County. EPA lists another county first for them, so they are not included in the counts above.
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake Hanna Assn | Iron + 1 more | 120 | Community | Groundwater |
St. Francois County water systems: frequently asked questions
How many public water systems are in St. Francois County, Missouri?
EPA's SDWIS records file 39 active public water systems under St. Francois County, Missouri: 20 community systems (51%), 4 non-transient non-community systems (10%) and 15 transient non-community systems (38%). At least 1 more system is listed under another county but also serve St. Francois County.
Who supplies drinking water in St. Francois County, MO?
The largest community water systems filed under St. Francois County are Farmington Pws (18,217 people served), Park Hills Pws (8,587 people served) and Desloge Pws (5,034 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 St. Francois County's drinking water come from groundwater or surface water?
Of the 39 active public water systems in St. Francois County, 97% draw mainly on groundwater and 2.6% on surface water, counting purchased supplies. The largest system, Farmington Pws, uses groundwater.
Where can I find a water quality report for St. Francois 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 St. Francois 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 St. Francois 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 Missouri water systems
- All Missouri public water systems· 2,943 active
- Miller County· 51 systems
- Lincoln County· 45 systems
- Hickory County· 44 systems
- Christian County· 41 systems
- Jasper County· 39 systems
- Washington County· 37 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 St. Francois County, Missouri”, https://aquacensus.com/water-systems/missouri/st-francois (data as of October 1, 2026).