Wyoming dump stations
158 stations found in Wyoming. Browse coverage on the web, then use the app when you need fuller detail and stronger trust signals.
Last data update: Jul 24, 2026
DumpScout tracks RV dump stations across Wyoming, including public facilities, rest areas, truck stops, and RV parks. Current coverage includes 121 verified stations and 40 free options.
Most active station clusters are around Afton, Alcova, Alpine. Of the listed stations, 97 are currently usable by non-guests (including fee-only access) and 23 report 24-hour availability.
Recently scouted in Wyoming
How verification worksThe most recently verified dump stations in Wyoming, with the date each one was last checked.
Need directions, saved stops, and fuller station detail?
DumpScout’s iPhone and Android apps are built for on-road decisions once you’ve narrowed down your options here.
Helpful guides
Plan better dump station stops in Wyoming
These short guides help with the decisions that usually matter most before you commit to a stop in Wyoming: whether it is actually open, whether free is worth it, and how to keep a backup nearby.
Open or closed?
How to Tell if an RV Dump Station Is Actually Open
A practical checklist for checking whether an RV dump station is really open before you burn fuel on the detour.
Free vs paid
Free vs Paid RV Dump Stations: What to Check First
Not every free RV dump station is the best stop. Learn when free is worth it, when paid is safer, and what to confirm before you pull in.
Near me
How to Find an RV Dump Station Near You Without Wasting a Detour
A practical approach to finding an RV dump station near you without getting trapped by weak listings, bad access assumptions, or a poor fallback plan.
Helpful guides
RV tank care help for Wyoming trips
Use these guides to plan the tank-care side of a Wyoming dump stop, from emptying black and gray tanks to avoiding messy maintenance surprises.
Tank dumping basics
How to Empty RV Black and Gray Tanks Without Making a Mess
A practical step-by-step guide to dumping RV black and gray tanks cleanly, safely, and with fewer unpleasant surprises.
Maintenance checklist
RV Holding Tank Maintenance Checklist
A simple RV holding tank maintenance routine for black, gray, and fresh tanks, including odor prevention and when to dump.
Fresh water reset
RV Fresh Water Tank Sanitizing Guide
A careful fresh-water tank sanitizing checklist for RV owners preparing for a trip, storage season, or stale-water reset.
Evanston
WY
verified open · Paid
Scouted Apr 11, 2026
City of Afton information center. Free.
Afton, WY
unverified · Paid
Scouted Mar 2, 2026
Independence Rock Rest Area RV Dump Station
Alcova, WY
reported open · Paid
Scouted Jul 24, 2026
Nordic Market at US-89 and US-26. Cost is unknown.
Alpine, WY
unverified · Paid
Scouted Mar 2, 2026
FIREHOLE CANYON CAMPGROUND Dump Station
Ashley, WY
verified open · Paid
Scouted Apr 11, 2026
Casper KOA Journey
Bar Nunn, WY
verified open · Free
Scouted Apr 11, 2026
Overland Express Mart
Basin, WY
verified open · Free
Scouted Mar 23, 2026
Bighorn National Forest public dump station on US-16 about three miles west of Powder River Pass
Buffalo, WY
verified open · Paid
Scouted Mar 23, 2026
Buffalo KOA Journey
Buffalo, WY
verified open · Paid
Scouted Mar 1, 2026
Cenex RV Dump Station
Buffalo, WY
verified open · Paid
Scouted Apr 11, 2026
Dump Station - Buffalo Bill
Buffalo, WY
verified open · Paid
Scouted Apr 11, 2026
Dump Station (OSM 3534482191)
Buffalo, WY
verified open · Paid
Scouted Apr 11, 2026
HETTINGER GROUP AREA Dump Station
Buffalo, WY
verified open · Paid
Scouted Mar 22, 2026
MIDDLE FORK Dump Station
Buffalo, WY
verified open · Paid
Scouted Mar 9, 2026
Bighorn National Forest public dump station 1/4 mile east of US-14/14A junction
Burgess Junction, WY
verified open · Paid
Scouted Mar 23, 2026
Dump Station (OSM 13113262783)
Casper, WY
unverified · Free
Flying J Travel Plaza RV Dump Station
Casper, WY
reported open · Paid
Scouted Jul 22, 2026
Cheyenne Information Center RV Dump Station
Cheyenne, WY
verified open · Paid
Scouted Jul 24, 2026