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Franklin County, Illinois — public water systems

At a glance

23 active public water systems are filed under Franklin County, Illinois in EPA's SDWIS records, together reporting 42,771 people served. The largest is West Frankfort, which reports serving 8,650 people. 22 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

23

Population served

42.8K

Community systems

22

Groundwater share

4.3%

How does Franklin County compare with other Illinois counties?

Franklin County has the 44th-most active public water systems among the 149 counties listed for active Illinois systems in EPA records; among the 104 with 3 or more systems, the median has 18. Its systems report 42,771 people served in total, the 31st-largest county figure in the state and 0.3% of the statewide total. The average system here reports serving 1,860 people, about 42% below the Illinois average of 3,204. 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 Franklin County's drinking water come from?

By primary water source, Franklin County's active systems draw on purchased surface water (21, 91%), surface water (1, 4.3%) and groundwater (1, 4.3%). Overall, 4.3% rely mainly on groundwater (including purchased groundwater) and 96% on surface water, compared with 82% and 18% across Illinois. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, West Frankfort, draws primarily on purchased surface water.

What kinds of water systems operate in Franklin County?

Franklin County's active systems break down as 22 community systems (96%) and 1 transient non-community systems (4.3%). 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 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 (91%) and private (8.7%).

Water systems in Franklin County

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Active public water systems in Franklin County, Illinois
#Water systemCountyPopulation servedTypeSource
1West FrankfortFranklin8,650CommunityPurchased surface water
2BentonFranklin8,104CommunityPurchased surface water
3Rend Lake Inter-City Water SystemFranklin3,650CommunitySurface water
4ChristopherFranklin3,072CommunityPurchased surface water
5SesserFranklin2,556CommunityPurchased surface water
6Greenwood-Creek Nation Water CompanyFranklin2,530CommunityPurchased surface water
7Ewing-Ina Water CommissionFranklin2,393CommunityPurchased surface water
8Akin Water DistrictFranklin2,368CommunityPurchased surface water
9ZeiglerFranklin1,774CommunityPurchased surface water
10ValierFranklin1,182CommunityPurchased surface water
11RoyaltonFranklin1,118CommunityPurchased surface water
12HanafordFranklin883CommunityPurchased surface water
13North CityFranklin772CommunityPurchased surface water
14West CityFranklin664CommunityPurchased surface water
15Hill City Water DistrictFranklin543CommunityPurchased surface water
16BucknerFranklin494CommunityPurchased surface water
17ThompsonvilleFranklin486CommunityPurchased surface water
18Plumfield Water DistrictFranklin460CommunityPurchased surface water
19Mulkeytown PWDFranklin390CommunityPurchased surface water
20OrientFranklin362CommunityPurchased surface water
21MacedoniaFranklin155CommunityPurchased surface water
22Meramec Campground LLCFranklin100Transient non-communityGroundwater
23Rend Lake Mobile Home ParkFranklin65CommunityPurchased surface water

Franklin County water systems: frequently asked questions

How many public water systems are in Franklin County, Illinois?

EPA's SDWIS records file 23 active public water systems under Franklin County, Illinois: 22 community systems (96%) and 1 transient non-community systems (4.3%).

Who supplies drinking water in Franklin County, IL?

The largest community water systems filed under Franklin County are West Frankfort (8,650 people served), Benton (8,104 people served) and Rend Lake Inter-City Water System (3,650 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 Franklin County's drinking water come from groundwater or surface water?

Of the 23 active public water systems in Franklin County, 4.3% draw mainly on groundwater and 96% on surface water, counting purchased supplies. The largest system, West Frankfort, uses purchased surface water.

Where can I find a water quality report for Franklin 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. 22 community systems are filed under Franklin 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 Franklin 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 Illinois 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 Franklin County, Illinois”, https://aquacensus.com/water-systems/illinois/franklin (data as of October 1, 2026).