Dump Stations

Maverik, 4651 W Yellowstone Hwy, Mills WY 82604 / 307-237-0886. Rinse water. Free.

Last updated: 9/25/2019

Keyhole State Park, 22 Marina Rd, Moorcroft WY 82721. Rinse water. $10 or less.

Last updated: 9/23/2019

Dow Park, 1401 W Main St, Newcastle WY 82701 / 307-746-2739. Rinse water. Free.

Last updated: 5/29/2020

CBH CO-OP, 2063 S Garner Lake Rd, Gillette WY 82716 / 307-257-2068. Potable water. Rinse water. Free.

Last updated: 9/27/2019

Dalbey Memorial Park, 900 Edwards St, Gillette WY 82718 / 307-686-5275. Rinse water. Free. I-90 Exit 126.

Last updated: 9/27/2021

Flying J Travel Plaza, 1810 S Douglas Hwy, Gillette WY 82718 / 307-682-3562. $10 or less. I-90 Exit 126.

Last updated: 1/8/2014

Wastewater treatment plant on E Astle Ave. Free.

Last updated: 11/21/2003

Overland Express Mart, 155 N 4th St, 307-568-2722. Free.

Last updated: 3/14/2004

Guernsey State Park, 307-836-2334. Dump station is located at the south entrance. Cost is unknown.

Last updated: 10/21/2008

Bighorn National Forest public dump station on US-16 about three miles west of Powder River Pass, on south side of highway. Potable water. Donation requested.

Last updated: 9/23/2019