for Construction Sites
1972 Clean Water Act (CWA) - ANS-Americans have the right to fish and swim adequately in
public waterways.
Introduces NPDES (nip-deez), National Pollution Discharge Elimination System
1987 CWA replace - ANS-Industrial and municipal stormwater discharges now have permitting
responsibilities underneath NPDES.
Jurisdictions in the Bay had ESC policies in vicinity at the nation stage because the mid 90s.
1992 CWA Phase 1 of NPDES allow - ANS-Operators of construction activities stressful five
acres or more are required to reap insurance underneath a Construction General Permit.
1999 CWA Phase 2 NPDES replace - ANS-Small construction sports worrying among 1 and five
acres want a CGP
2013 CWA NPDES LDA activities acreage update - ANS-NY, DE, PA, MA, DC implement a
5,000 sq.Ft threshold for local lets in to disturb land
VA threshold is 10,000 sq.Toes besides in the Bay preservation vicinity in which it is 2,500
sq.Feet.
(within the CBPA, a CGP isn't always required if the venture is smaller than 1 acre, but, ESC
and SWM plans are required)
3 Strategies to save you erosion - ANS-Stabilize denuded regions inside 7 days
Stabilize or trap stockpiles
Use a phased creation approach (no more than 20 acres at a time)
5 Practices to prevent erosion - ANS-Vegetative Control
Topsoiling
Vegetative Establishment
Mulches, Blankets, and Matting
Dust Control
five Stages of Soil Erosion (water) 1. Raindrop - ANS-1. Raindrop - kinetic (diameter, velocity),
churn surface, seals pores, ninety%