Stormwater Management: Bellevue vs Kent
How do stormwater management rules compare between Bellevue, WA and Kent, WA?
Bellevue and Kent have similar restriction levels.
Bellevue, WA
King County
Bellevue stormwater rules under BCC 24.06 and LUC 20.25H require flow control and water-quality treatment for new or modified impervious surfaces, with illicit-discharge enforcement.
View full Bellevue rules →Kent, WA
King County
Kent is an NPDES Phase II city and enforces Department of Ecology stormwater standards. New development and redevelopment over 2,000 sf trigger mitigation under the 2019 stormwater manual.
View full Kent rules →Key Facts Comparison
| Fact | Bellevue | Kent |
|---|---|---|
| - | - | |
| Permit | - | NPDES Phase II |
| Manual | - | 2019 DOE Western WA |
| Trigger | - | 2,000 sf new impervious |
| Illicit discharge | - | Fines apply |
Highlighted rows indicate differences between cities.
Bellevue FAQ
Kent FAQ
Do I need a stormwater plan for a Kent addition?
Yes if the project creates more than 2,000 sf of new or replaced impervious surface, and a small-project form may apply at 500 sf.
Can I wash my car in the driveway?
Yes for private residential use; commercial car washing into a storm drain is illicit discharge and is prohibited.
Compare other topics
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