Flying J Travel Plaza, 1 Center Dr, North East MD 21901 / 410-287-7110. $10 or less. I-95 Exit 100.
Last updated: 8/20/2013
RV Dumps
Millersville, Maryland
KOA, 768 Cecil Ave N, Millersville MD 21108 / 410-923-2771 or 800-562-0248. Cost is unknown.
Last updated: 11/7/2016
Marbury, Maryland
Smallwood State Park, 2750 Sweden Point Rd, Marbury MD 20658 / 301-743-7613. The state park is located southwest of town off MD-224. Cost is unknown.
Last updated: 12/14/2007
Ellicott City, Maryland
Patapsco Valley State Park – Hollofield Area, 8020 Baltimore National Pike, Ellicott City MD 21043 / 410-461-5005. Monday-Thursday during camping season. RVs over 11 feet 1 inch in height must use eastbound entrance. Potable water. Rinse water. Dumpster available. $10 or less.
Last updated: 5/22/2024
College Park, Maryland
Cherry Hill Park, 9800 Cherry Hill Rd, College Park MD 20740 / 800-801-6449. $30 or less. I-95 Exit 25.
Last updated: 1/3/2025
Clarksburg, Maryland
Little Bennett Regional Park, 23705 Frederick Rd, Clarksburg MD 20871 / 301-528-3430. $31 or more.
Last updated: 6/22/2024
Abingdon, Maryland
Bar Harbor RV Park, 4228 Birch Ave, Abingdon MD 21009 / 410-679-0880. $20 or less.
Last updated: 6/29/2017
Waterville, Maine
Kennebec Sanitary Treatment District, 401 Water St, Waterville ME 04901 / 207-873-0611. Go straight in through gate, there is a bayonet hose next to commercial ramp on your left. Open Mon-Fri, 7am-3:30pm. Rinse water. $10 or less.
Last updated: 11/10/2021
Turner, Maine
Martin Stream Campground, 1 Martin Stream Rd, Turner ME 04282 / 207-740-2240. Potable water. Rinse water. $30 or less.
Last updated: 7/29/2021
Rockport, Maine
Megunticook Campground By The Sea, 620 Commercial St, Rockport ME 04856 / 207-594-2428 or 800-884-2428. $10 or less.
Last updated: 3/23/2009