Patapsco Valley State Park – Hollofield Area, 8020 Baltimore National Pike, Ellicott City MD 21043 / 410-461-5005. RVs over 11 feet 1 inch in height must use eastbound entrance. Potable water. Rinse water. $10 or less.
Last updated: 9/25/2019
rvdumps.com
Patapsco Valley State Park – Hollofield Area, 8020 Baltimore National Pike, Ellicott City MD 21043 / 410-461-5005. RVs over 11 feet 1 inch in height must use eastbound entrance. Potable water. Rinse water. $10 or less.
Last updated: 9/25/2019
Stopped there today and the dump station is available Monday thru Thursday. They explained the camping area gets too busy Friday thru Sunday so they only allow the campers staying at the park to use the dump station on those days.