Storm Water Pollution


There are many things you, as an individual, can do to help prevent storm water pollution. The Clay County Storm Water Pollution Prevention Brochure (PDF) provides information regarding this important topic.

Storm Water Resources


A public information meeting is held annually to allow for comments to be heard concerning Clay County’s Municipal Separate Storm Sewer System (MS4), for the Storm Water Pollution Prevention Program (SWPPP) Plan. Due to the ongoing COVID-19 Pandemic, the public meeting will not be held this year, however, the plan is available for review until October 21, 2021: SWPPP

Clay County’s MS4 plan covers all county roads within the corporate limits of Moorhead and Dilworth. Comments concerning the MS4, SWPPP can be emailed to

Violation Reporting

Report the following to the Highway Department:

  • Illicit discharge into county ditches or storm sewers
  • Construction site sediment issues and violations

Please contact the Clay County Highway Department by calling 218-299-5099 Monday through Friday from 8 a.m. to 4:30 p.m. or 218-299-5151 after business hours or via email.