Are non-stormwater discharges allowed?

Illicit discharges including most non-stormwater flows, illegal dumping, or improper disposal of hazardous materials, pet waste, yard debris and litter are strictly prohibited in CDID #1 ditches. Only certain non-stormwater flows are allowed including:

  • Air conditioning condensation
  • Discharges covered by another National Pollutant Discharge Elimination System (NPDES) permit
  • Diverted stream flows
  • Emergency firefighting water
  • Flows from riparian habitats and wetlands
  • Footing drains
  • Foundation drains
  • Irrigation water from agricultural sources
  • Rising groundwater, or uncontaminated groundwater (pumped or infiltrated)
  • Springs
  • Water from crawl space sumps

Show All Answers

1. Are the CDID #1 ditches waters of the U.S.?
2. What is an illicit discharge?
3. Are non-stormwater discharges allowed?
4. Can I drain my swimming pool or hot tub to the ditch?
5. What do I need to know before starting construction?