Erosion Control: White Plains vs Yonkers

Do I need erosion controls for a small home addition?

For small projects under 5,000 sq ft of disturbance, standard silt fencing along downslope edges is usually sufficient; review at building permit issuance.

When is a SWPPP required in White Plains?

A Stormwater Pollution Prevention Plan (SWPPP) is required under the NYS SPDES General Permit when soil disturbance reaches 1 acre or more.

What erosion control standards apply in White Plains?

White Plains follows the NYS DEC Standards and Specifications for Erosion and Sediment Control (the 'Blue Book'), reviewed by the Building Department and DPW Engineering.

Does my home addition need an erosion plan?

Only if soil disturbance is 1 acre or more. Smaller projects follow Yonkers city site plan review instead of NYS SPDES requirements.

What happens if I violate NYS erosion control rules in Yonkers?

Projects disturbing 1+ acre without an approved SWPPP under NYS SPDES GP-0-20-001 can face NYS DEC fines up to $37,500 per day.

How quickly must disturbed soil be stabilized in Yonkers?

Under NYS SPDES GP-0-20-001, disturbed soil must be stabilized within 14 days of final grading. Silt fence and stabilized construction entrances are required throughout the project.