Compost is a soil additive to create a nutrient rich environment for multiple types of gardening and landscaping. Compost mixtures are appropriate for food and flower gardens as well as lawns, bushes, trees and more. 

The following products are available at the Landfill:

  • 3/8" Yard Waste Compost - $20.00/ton
  • 3/4" Yard Waste Compost - $15.00/ton
  • Wood Chips - $10.00/ton
  • MSW Co-Compost $15.00

Compost can be picked up at the landfill.

Hours: Monday through Saturday - 7:00am - 4:45pm

Products are sold by weight, there is no minimum purchase required. To purchase customers simply pull on to the scale. Loading help is available if needed. Acceptable payment methods are cash, credit card, or local check.

At this time, the Solid Waste Division is still advising that customers do not use these compost products in areas where broad leaf plants will be grown. This includes most common garden plants, ornamental plants and flowers.

At home Bioassay

For residents that are interested in doing an at home bioassay.

First, take a number of random representative samples from throughout the pile of compost. Be sure to get deep inside the pile and mix thoroughly. If there are separate sources of compost, conduct individual assays for each. Prepare three to six small (4 to 5 inch) pots with a 1:1 mix of the compost with commercial potting mix containing fertilizer. Additionally, prepare three to six pots with only the commercial potting mix. Place saucers underneath each pot, or position the pots far enough apart to prevent water running out of the bottom from reaching another pot. Plant three pea or bean seeds in each pot, water, and let them grow two or three weeks. There should be at least three sets of true leaves on the peas or beans.

If the plants in the control pots grow normally and the ones in the pots with compost do not, you can assume the compost is contaminated with an herbicide which will adversely affect sensitive plants. If they all grow normally, it would be reasonable to assume the compost is fine. A similar test can be done with young tomato transplants, but herbicide damage may not appear until the plants first set fruit. Keep in mind these tests will be only as good as the samples you take. It would be better to error on the side of too many samples than too few (at least 20 per pile).


5165 South Highway 79
Rapid City, SD 57701

(605) 355-3496
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Landfill Hours:
Monday - Saturday 7am-4:45pm
Administrative Hours:
Monday - Friday 7:30am-4pm

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