What is ALLOWED to go down a storm sewer?
  • Discharges from fire-fighting activities.
  • Potable water sources including waterline flushing.
  • Irrigation drainage.
  • Air-conditioning condensate.
  • Springs.
  • Water from crawl space pumps.
  • Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (unless all spill material has been removed) and where detergents are not used.
  • Flows from riparian habitats and wetlands.
  • Uncontaminated water from foundations or from footing drains.
  • Lawn watering.
  • Dechlorinated swimming pool discharges.
  • Uncontaminated groundwater.
  • Water from individual residential car washing.
  • Routine external building wash down (which does not use detergents or other compounds).
  • Diverted stream flows.
  • Rising groundwaters.

Show All Answers

1. Who do I call to report a stormwater concern?
2. How do I request a permit to change the impervious surface on my property?
3. Who is responsible for cleaning out the storm sewer grates?
4. If I am planning to dig on my property, must I notify anyone?
5. Who do I call to report an illicit discharge into the stormwater system?
6. What is NOT ALLOWED to go down a storm sewer?
7. What is ALLOWED to go down a storm sewer?