Peoria County, Illinois — public water systems
At a glance
66 active public water systems are filed under Peoria County, Illinois in EPA's SDWIS records, together reporting 188,545 people served. The largest is Il American-Peoria, which reports serving 137,575 people. 21 are community water systems serving people where they live; the other 45 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
66
Population served
188.5K
Community systems
21
Groundwater share
90.9%
How does Peoria County compare with other Illinois counties?
Peoria County has the 15th-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 188,545 people served in total, the 11th-largest county figure in the state and 1.5% of the statewide total. The average system here reports serving 2,857 people, about 11% 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 Peoria County's drinking water come from?
By primary water source, Peoria County's active systems draw on groundwater (52, 79%), purchased groundwater (8, 12%), purchased surface water (4, 6.1%) and surface water (2, 3%). Overall, 91% rely mainly on groundwater (including purchased groundwater) and 9.1% on surface water, compared with 82% and 18% across Illinois. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Il American-Peoria, draws primarily on surface water.
What kinds of water systems operate in Peoria County?
Peoria County's active systems break down as 21 community systems (32%), 10 non-transient non-community systems (15%) and 35 transient non-community systems (53%). 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 (73%), local government (20%), public/private partnership (6.1%) and state government (1.5%).
The 50 largest water systems in Peoria County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Il American-Peoria | Peoria | 137,575 | Community | Surface water |
| 2 | Osf St Francis Hospital | Peoria | 10,000 | Non-transient non-community | Purchased surface water |
| 3 | Chillicothe | Peoria | 6,660 | Community | Groundwater |
| 4 | Peoria Heights | Peoria | 5,908 | Community | Groundwater |
| 5 | Pleasant Valley PWD | Peoria | 3,783 | Community | Groundwater |
| 6 | Cat Mossville | Peoria | 3,000 | Non-transient non-community | Groundwater |
| 7 | T-L Rural Water District | Peoria | 2,243 | Community | Purchased groundwater |
| 8 | Elmwood | Peoria | 2,058 | Community | Groundwater |
| 9 | Limestone-Walters PWD | Peoria | 2,023 | Community | Purchased groundwater |
| 10 | Princeville | Peoria | 1,901 | Community | Groundwater |
| 11 | Dunlap | Peoria | 1,603 | Community | Purchased surface water |
| 12 | Cat Tech Center | Peoria | 1,442 | Non-transient non-community | Groundwater |
| 13 | Hanna City | Peoria | 1,253 | Community | Purchased groundwater |
| 14 | Il American-Glasford | Peoria | 1,193 | Community | Groundwater |
| 15 | Brimfield | Peoria | 856 | Community | Groundwater |
| 16 | Keystone Steel and Wire | Peoria | 700 | Non-transient non-community | Groundwater |
| 17 | Cat Mapleton /Mapleton | Peoria | 600 | Non-transient non-community | Surface water |
| 18 | Freedom Oil Company (136945) | Peoria | 400 | Transient non-community | Groundwater |
| 19 | Christ Orchard | Peoria | 400 | Transient non-community | Groundwater |
| 20 | Deluxe Lake Estates MHP | Peoria | 325 | Community | Purchased groundwater |
| 21 | Mapleton | Peoria | 261 | Community | Purchased groundwater |
| 22 | Kingston Mines | Peoria | 259 | Community | Purchased groundwater |
| 23 | Olive and Oak - Wedding and Events | Peoria | 250 | Transient non-community | Groundwater |
| 24 | Fox Creek Farms Water Company | Peoria | 203 | Community | Groundwater |
| 25 | Country Club Bbq | Peoria | 200 | Transient non-community | Groundwater |
| 26 | Radnor Rod and Gun Club | Peoria | 200 | Transient non-community | Groundwater |
| 27 | Fawn Hills Subdivision | Peoria | 183 | Community | Groundwater |
| 28 | Mossville United Methodist Chu | Peoria | 160 | Transient non-community | Groundwater |
| 29 | Midwest Sports Complex | Peoria | 150 | Transient non-community | Groundwater |
| 30 | Camp Wokanda | Peoria | 150 | Transient non-community | Groundwater |
| 31 | Evonik Corporation | Peoria | 150 | Non-transient non-community | Groundwater |
| 32 | Top of the Hill Farm | Peoria | 150 | Transient non-community | Groundwater |
| 33 | Farmington Sportsmens Club | Peoria | 150 | Transient non-community | Groundwater |
| 34 | Cathys Cue and Brew | Peoria | 150 | Transient non-community | Groundwater |
| 35 | St Marys School Bored Well | Peoria | 140 | Non-transient non-community | Groundwater |
| 36 | Edelstein Water Coop | Peoria | 113 | Community | Groundwater |
| 37 | Chillicothe Sportsmens Club | Peoria | 100 | Transient non-community | Groundwater |
| 38 | Jubilee St Pk #1 Quail Meadows | Peoria | 100 | Transient non-community | Groundwater |
| 39 | Ice Guys Water Kiosk | Peoria | 100 | Transient non-community | Purchased surface water |
| 40 | Jubilee Cafe | Peoria | 100 | Transient non-community | Groundwater |
| 41 | One More at Oak Hill | Peoria | 100 | Transient non-community | Groundwater |
| 42 | Hitching Post | Peoria | 100 | Transient non-community | Groundwater |
| 43 | Kickabrew Coffee Co | Peoria | 100 | Transient non-community | Groundwater |
| 44 | Chillicothe Rec Area Camp #2 | Peoria | 82 | Transient non-community | Groundwater |
| 45 | Jubilee Water Company, Inc.. | Peoria | 72 | Community | Groundwater |
| 46 | Korean Presbyterian Church | Peoria | 70 | Transient non-community | Groundwater |
| 47 | Brimfield Evangelical Free Church | Peoria | 70 | Transient non-community | Groundwater |
| 48 | Santa Fe Estates Water Association | Peoria | 68 | Community | Groundwater |
| 49 | Berea Baptist Church | Peoria | 60 | Transient non-community | Groundwater |
| 50 | Edwards Tap | Peoria | 50 | Transient non-community | Groundwater |
All other water systems in Peoria County (16)
The remaining active systems filed under Peoria County, largest first, with the population each reports serving.
- Chillicothe Rec Area Office #150
- Nats Place / Sweetwater50
- Peter Rabbit Day Care School50
- Arrowhead Country Club50
- Pizza 15050
- Buffalo Hollow Farms Water Assoc45
- Kickapoo Creek Saloon40
- River Terrace Church36
- Jimmys Bar35
- Darcy'S Cafe and Slots Ii25
- Embrace Daycare25
- Wash O Rama and Vending25
- Hanson Industrial Vending Machine25
- Caterpillar Demonstration Area25
- Glasford Water Vending Machine25
- Three Way Gas Stop25
Peoria County water systems: frequently asked questions
How many public water systems are in Peoria County, Illinois?
EPA's SDWIS records file 66 active public water systems under Peoria County, Illinois: 21 community systems (32%), 10 non-transient non-community systems (15%) and 35 transient non-community systems (53%).
Who supplies drinking water in Peoria County, IL?
The largest community water systems filed under Peoria County are Il American-Peoria (137,575 people served), Chillicothe (6,660 people served) and Peoria Heights (5,908 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 Peoria County's drinking water come from groundwater or surface water?
Of the 66 active public water systems in Peoria County, 91% draw mainly on groundwater and 9.1% on surface water, counting purchased supplies. The largest system, Il American-Peoria, uses surface water.
Where can I find a water quality report for Peoria 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. 21 community systems are filed under Peoria 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 Peoria 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
- All Illinois public water systems· 3,872 active
- Tazewell County· 83 systems
- McLean County· 79 systems
- Henry County· 72 systems
- Champaign County· 66 systems
- Whiteside County· 59 systems
- Woodford County· 58 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 Peoria County, Illinois”, https://aquacensus.com/water-systems/illinois/peoria (data as of October 1, 2026).