SDDOT lists a trailer dump station at the Glacial Lakes rest area on I-29 (southbound) in Roberts County, at mile reference marker 250. SDDOT marks it for summer months only and does not give exact dates.
Seasonal limits are published for this time of year (Summer months only). No exact dates are given; confirm with the operator before driving there.
Confirm non-guest access first.This is a state highway rest area. The transportation department lists an RV dump station but does not state access terms.
Check the current notice and season before driving there. Directions open an external map. They do not confirm that roads or entrances suit your RV.
Know before you arrive.
- Who can use it
- Access rules unconfirmedThis is a state highway rest area. The transportation department lists an RV dump station but does not state access terms.
- Dump-station fee
- Fee not confirmedNot published by the operator. An unknown fee does not mean free.
- Service hours
- Dump-station hours are not published in the checked source.
- Season & restrictions
- Summer months only
- Location
- I-29 mile reference marker 250 · Southbound onlySDDOT lists this rest area for southbound I-29 traffic (Roberts County).Map point marks the facility, not necessarily the dump-station entrance.
- Drinking-water fill
- Not confirmed in the checked source.
- Rinse water
- Not confirmed in the checked source.
Where the information comes from.
Official information checked October 1, 2026. This is a source check, not an on-site inspection or a live-status guarantee. Operator: South Dakota Department of Transportation.
View evidence from South Dakota Department of Transportation
Query: Rest Areas (ID: 1)
“Amenities: Handicap Access, Trailer Dump Station (Summer Months), Truck Parking, Pet Exercise Area, Picnic Shelters, Vending Machines”
“Trailer Dump Station (Summer Months)”