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?