Illinois

LaSalle County drinking water quality

172 active public water systems serve 110,170 people in LaSalle County. 71 are compliant, 101 had at least one EPA violation in the past three years, 4 are designated serious violators, and 6 carry a health flag.

Active systems 172 37 community systems

People served 110K by public water systems

Systems with violations 101 59% of active systems, past 3 years

Serious violators 4 6 systems carry a health flag

Needs attention

Fields Hill Improvement Association IL0995150 · Community water system · Serves 312 7 rules violated in the past three years. Unresolved: Chlorine (MRDL), Consumer Confidence Rule (CCR), Lead and Copper Rule (LCR), Lead and Copper Rule Revisions (LCRR), Public Notification Rule, and Revised Total Coliform Rule (RTCR).

Road Ranger LLC Ottawa IL3123620 · Transient non-community system · Serves 150 2 rules violated in the past three years. Unresolved: Public Notification Rule.

Camp Tuckabatchee IL3033837 · Transient non-community system · Serves 120 2 rules violated in the past three years. Unresolved: Public Notification Rule and Revised Total Coliform Rule (RTCR).

Land and Wtr Assn IL0995050 · Community water system · Serves 83 2 rules violated in the past three years

Marseilles IL0990500 · Marseilles · Community water system · Serves 5,061 4 rules violated in the past three years. Unresolved: Lead and Copper Rule (LCR), Lead and Copper Rule Revisions (LCRR), and Public Notification Rule.

Lostant IL0990450 · Lostant · Community water system · Serves 463 2 rules violated in the past three years. Unresolved: Consumer Confidence Rule (CCR) and Lead and Copper Rule Revisions (LCRR).

Black Marine INC Campground IL3134635 · Transient non-community system · Serves 40 3 rules violated in the past three years. Unresolved: Public Notification Rule and Revised Total Coliform Rule (RTCR).

Skydive Chicago IL3161281 · Transient non-community system · Serves 25 2 rules violated in the past three years. Unresolved: Public Notification Rule and Revised Total Coliform Rule (RTCR).

Community water systems

37 systems, largest first

System	Serves	Rules violated, 3 yr	Unresolved
IL American-Streator Streator	19,000	0	0
Ottawa Ottawa	18,097	3	0
Peru Peru	9,896	2	0
LA Salle La Salle	9,700	4	0
Mendota Mendota	7,100	3	0
Marseilles Marseilles	5,061	4	3
IL American-Lake Holiday	4,750	0	0
Oglesby Oglesby	4,500	1	0
Seneca Seneca	2,353	0	0
Sheridan Correctional Center	1,670	2	2
Earlville Earlville	1,613	0	0
North Utica North Utica	1,323	3	0
Wildwood Estates	1,001	0	0
Leland Leland	951	0	0
Tonica Tonica	705	0	0
Grand Ridge Grand Ridge	515	1	0
Naplate Naplate	465	2	0
Lostant Lostant	463	2	2
Fields Hill Improvement Association	312	7	4
Cedar Point Water Company	266	1	0
Four Star Campground Marseilles	250	1	1
Rutland Rutland	250	0	0
Jonesville Pwd	243	1	1
Country Acres MHP (la Salle County)	222	1	0
Retz Addn Improvement Association	168	3	0
Countryside Estates MHP	158	0	0
Ottawa Estates MHP	125	0	0
IL American-Leonore Leonore	111	0	0
Mendota Estates MHP Mendota	110	1	0
LA Salle County Nursing Home	100	4	0
Lynnwood Water Corporation	100	0	0
Jons MHP	92	3	0
Ilog Oglesby Mhp, LLC Oglesby	88	0	0
Land and Wtr Assn	83	2	0
IL Prairie Estate Sbdv Water Association	78	0	0
Oaklane Sbdv	63	1	0
Seneca Mobile Homes LLC	10	2	0

Non-community systems (135: schools, campgrounds, workplaces, restaurants)

These systems serve places people visit rather than homes.

System	Serves	Rules violated, 3 yr	Unresolved
Woodsmoke Ranch	4,000	1	1
Grand Bear Lodge Water Pk/jacks Place 6n	1,005	0	0
Constellation/lasalle Cnty Gen Station	1,000	1	0
Streator Baptist Camp -Office Well	750	1	0
Glenwood RV Resort	600	3	1
Serena Community School	555	3	0
Starved Rock State Park (94227)	500	3	0
Sabic Innovative Plastics	440	1	0
Illinois Waterway Visitor Ctr	300	0	0
Lakes Country Club	300	1	0
Harding Grade School	250	4	1
Rolling Oaks Campground (113555)	250	0	0
Rolling Oaks Office Well	250	3	1
Wallace Consol Comm School	250	4	0
Postcard Cabins Starved Rock	230	2	0
Sheridan Grade School	227	3	0
American Nickeloid	200	1	0
Grand Bear Vac Villas Town Home #1	200	0	0
Illini State Park	200	1	0
Deer Park School	155	1	0
Miller Comm Consol Sch 210	150	2	0
Pine Hills Golf Course	150	0	0
Road Ranger LLC Ottawa	150	2	1
Hy-Vee INC	135	2	1
Moose Lodge 960	130	0	0
Camp Tuckabatchee	120	2	2
Camp Tuckabatchee INC	120	0	0
Dimmick Consol Comm School 175	120	1	0
Grand Bear Lakes Town Homes #6	120	1	0
Grand Bear Lakes Town Homes Assoc. #7	120	0	0
Grand Bear Lakes Town Homes Assoc. #8	120	2	1
Grand Bear Vac Villas Town Homes #2	120	0	0
Grand Bear Vac Villas Town Homes #3	120	0	0
Grand Bear Vac Villas Town Homes #4	120	1	0
Grand Bear Vac Villas Town Homes #5	120	0	0
Cougar Campground North Well	100	3	1
Down the River LLC	100	0	0
Expresslane INC 68	100	0	0
Friendship Village	100	3	1
Hanks	100	1	0
Johnson Oil CO	100	0	0
Rutland School Dist 230	100	1	0
Silver Slipper Saloon	100	0	0
Spring Brook Marine	100	0	0
Streator Baptist Camp Dining Hall Well	100	3	0
The Boatyard Bar & Bistro LLC	100	1	0
The Bourne	100	2	0
Troll Hollow East	100	2	1
Troll Hollow West	100	0	0
Marshell Station	90	3	1
Two Rivers Tropical Sno	76	0	0
Deer Park Golf Club	75	0	0
Sheridan Rod & Gun	75	2	1
Fox River Resort	70	1	0
Kishauwau County Cabins	69	1	0
Sheridan Tobacco & Spirits, LLC	62	3	1
Camp Aramoni	60	0	0
John and Naomis Corner Tap	60	1	0
Sheridan Elevator, INC	60	1	0
Streator Baptist Camp East Well	60	1	0
Serena Cafe	52	2	0
Buffalo Range Shooting Park	50	0	0
Country Ranch	50	2	1
High Heel Saloon	50	2	0
Jennings & Russell, Inc.	50	0	0
Knotty Pine	50	0	0
Matthiessen State Park (94011)	50	1	1
Nature's Way RV Park	50	0	0
Norway Store	50	0	0
RT 34 Drive in Theaatre	50	0	0
Spring Brook Marina Docks	50	2	0
The Old Mill	50	0	0
Troy Grove Tavern	50	0	0
Wal-Mart Supercenter #852	50	0	0
Black Marine INC Campground	40	3	2
Boondocks	40	1	0
D&s Foods	40	0	0
Handy Foods West	40	2	1
Kroger J-933	40	0	0
Starved Rock Marina	40	0	0
Sullivans Foods #245	40	0	0
Wedron Silica Logistics	40	0	0
Marseilles Lock	36	2	1
Pcs Phosphate	36	2	1
Ano del Gallo	35	2	1
City Limits Inn	35	0	0
Karma	35	0	0
The Lampliter	35	0	0
US Silica Ottawa South Pit	35	0	0
RO Pros Water Store	30	0	0
Schimmer Olds	30	3	1
Wedron Silica Pit Building	30	3	0
Wedron Silica Sand Company	29	6	1
Catlin Park Bath House	28	1	0
Alfano's Frozen Pizza	27	3	1
Cougar Campground	26	2	1
Ayers Landing	25	2	0
Brown Bag Video	25	2	1
Buffalo Rock State Park	25	0	0
Calico Cafe	25	0	0

All 135 in the systems table

Inactive systems (307, no longer operating or reporting)

Kept for the record and excluded from the county totals above. Browse inactive systems.

About this data

Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Illinois records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.

LaSalle County drinking water quality

Needs attention

Community water systems

Compliant

Violations in the past 3 years

Serious violator

Health flag

Inactive system