Bellevue vs Renton
How do erosion control rules compare between Bellevue, WA and Renton, WA?
Bellevue and Renton have similar restriction levels.
Bellevue, WA
King County
Bellevue requires erosion control measures for land-disturbing activity. Clearing and Grading Code (LUC 20.25H) mandates BMPs on steep slopes and near critical areas.
View full Bellevue rules →Renton, WA
King County
Renton requires Temporary Erosion and Sediment Control plans on sites disturbing 7,000 square feet or more. Silt fences, wattles, and stabilized entrances are required per the King County SWDM.
View full Renton rules →Key Facts Comparison
| Fact | Bellevue | Renton |
|---|---|---|
| - | - | |
| TESC threshold | - | 7,000 sq ft disturbance |
| Required BMPs | - | Silt fence, wattles, entrance, inlet protection |
| Wet season | - | Oct 1 to Apr 30 tighter controls |
| State permit | - | Ecology CSWGP for 1+ acre sites |
| Salmon habitat | - | Cedar River sediment discharge serious |
Highlighted rows indicate differences between cities.
Bellevue FAQ
Renton FAQ
Does a small yard project need erosion control?
Yes if disturbance exceeds 7,000 sq ft. Even smaller projects should use basic BMPs like silt fences to prevent sediment from leaving the site.
Who inspects erosion control on construction sites?
Renton Public Works and CED inspectors verify TESC installation during construction, and Ecology oversees the state construction stormwater permit for larger sites.
Compare other topics
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