Non-Camper Dump Fees in Midwest State Parks

State	State parks: non-camper use	Rest areas
Wisconsin	Free for registered campers; $10 for non-registered users, plus a vehicle admission pass (Wis. Admin. Code NR 45.12).	WisDOT's official rest-area amenity list does not include RV dump stations.
Michigan	Free for registered campers; non-campers pay $10 and need a Recreation Passport. Not open to non-campers at Baraga, Burt Lake, Cheboygan, Fort Custer, Hoeft, North Higgins Lake, Port Crescent, Rifle River and Twin Lakes.	MDOT's rest-area pages list restrooms, water, parking and picnic areas - no RV dump stations listed.
Illinois	Non-registered campers may dump RV/camping-trailer wastewater for $5 per vehicle under the current rule; IDNR says this rises to $10 with its 2027 camping changes (effective Jan 1, 2027 per IDNR's FAQ).	not listed - check official page
Iowa	Statewide non-camper fee not listed - check official page; fees vary by park.	Iowa DOT no longer offers RV dump stations at any rest area and publishes a list of private alternatives along interstates.
Minnesota	Minnesota DNR's state-park fee page does not list a non-camper dump fee - not listed - check official page. Some parks list an "RV sanitation station" (DNR glossary: dump and fill).	MnDOT's rest-area map legend notes "Sanitary Dumping Not Available at Rest Areas."

State

State parks: non-camper use

Rest areas

Free for registered campers; $10 for non-registered users, plus a vehicle admission pass (Wis. Admin. Code NR 45.12).

WisDOT's official rest-area amenity list does not include RV dump stations.

Free for registered campers; non-campers pay $10 and need a Recreation Passport. Not open to non-campers at Baraga, Burt Lake, Cheboygan, Fort Custer, Hoeft, North Higgins Lake, Port Crescent, Rifle River and Twin Lakes.

MDOT's rest-area pages list restrooms, water, parking and picnic areas - no RV dump stations listed.

Illinois

Non-registered campers may dump RV/camping-trailer wastewater for $5 per vehicle under the current rule; IDNR says this rises to $10 with its 2027 camping changes (effective Jan 1, 2027 per IDNR's FAQ).

not listed - check official page

Iowa

Statewide non-camper fee not listed - check official page; fees vary by park.

Iowa DOT no longer offers RV dump stations at any rest area and publishes a list of private alternatives along interstates.

Minnesota

Minnesota DNR's state-park fee page does not list a non-camper dump fee - not listed - check official page. Some parks list an "RV sanitation station" (DNR glossary: dump and fill).

MnDOT's rest-area map legend notes "Sanitary Dumping Not Available at Rest Areas."

Rules by state

Sources