- EPA’s National Pollutant Discharge Elimination System (NPDES)
- Kansas Department of Health and Environment
- Kansas Native Plant Society
- Kansas Wildflowers and Grasses
- Keep America Beautiful – Topeka/Shawnee Co.
- Mid-America Regional Council’s Environment Information
- NPDES (MS4) Stormwater Management Program
- Municipal Separate Storm Sewer System (MS4) Permit
