RV Dump Stations Heiskell, TN | Free Sani-Dumps Near I-75

Heiskell has several RV dump stations, and some of them won't cost you a dime. That's a solid lineup for a town this size, especially when you're rolling through on I-75 between Knoxville and the Smokies.

You're looking at the northern edge of Knox County here, about 20 minutes from downtown Knoxville. Most RVers end up in Heiskell because it's a convenient stopping point -- close enough to the city for supplies, far enough out that you're not fighting urban traffic in a 40-foot rig. The area sits right in the path between the Great Smoky Mountains and the Cumberland Plateau, so you'll see plenty of through traffic during peak season.

The dump station mix here leans heavily toward RV parks and campgrounds, with a few gas stations and travel centers thrown in. You'll find everything from basic sani-dump setups at smaller parks to full-service sanitary dump stations at larger KOA-style facilities. Some of the campground dumps are technically for guests only, but many will let you dump for a small fee if you ask nicely. The free options tend to be at municipal facilities or older campgrounds that don't bother charging.

Getting to most stations is straightforward. I-75 runs right through the area (exits 122 and 128 are your main access points), and you won't deal with the tight turns or low clearances that plague some Tennessee towns. Most dump stations sit within a mile or two of the interstate, so you're not navigating narrow country roads in a Class A.

The full directory below breaks down locations, hours, and whether you'll need to open your wallet. Most stations stay accessible year-round, though a few seasonal campgrounds close their gates come November.

Of the several dump stations in Heiskell, some (a portion%) are free, while a portion% charge a fee. That's a better free-to-paid ratio than most Tennessee towns this close to a major interstate.

Paid stations typically run $5-10 for non-guests. RV parks and campgrounds charge on the higher end ($8-10), while gas stations and travel centers usually stick to $5-7. Some campgrounds waive the fee if you buy fuel or propane, so ask before you pay.

The free options are mostly at older municipal facilities or smaller campgrounds that don't bother with fee collection. They're perfectly functional -- you just won't get attendant assistance or guaranteed rinse water. If you're passing through regularly, consider a Passport America membership. Several area campgrounds accept it, and you can dump for free as part of your overnight rate.

Knox County doesn't charge for the public dump station near the community center, which is rare for a county this size. Take advantage of it. The money you save on dumping can go toward barbecue in Knoxville.