If you know of a public RV dump site we have missed, or one that is misrepresented here and no longer in service, please fill in our Handy-dandy quick form and let us know so we can keep our list up-to-date!

South Dakota

I-90	Rest Areas	"There's Dump stations at "most" of the rest areas on I-90 ..... was pleasantly surprised!!"
Hermosa	Battle Creek Station	Hwy 79
Mitchell	I-90 Truck Haven Service	I-90, Exit 332
Mitchell	Cabelas	I-90, Exit 332; "free overnight parking and free RV dump station ... First Class!!!!"
Rapid City	Conoco Travel Plaza	I-90, Exit 61
Rapid City	Windmill Truck Stop	I-90, Exit 55
Spearfish	Rest Area	I-90 Exit 0, 12 miles west of Spearfish, just short of the Wyoming border; water available, no fee.

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