ANSWERS 100% CORRECT
Erosion - ANSWER-The process by which the land surface is worn away by the action
of water wind ice and gravity.
Factors contributing to erosion - ANSWER-Climate (rain frequency), Season (storms in
summer), vegetative cover, topography, soil characteristics.
Sedimentation - ANSWER-Process by which eroded material is transported and
deposited
Sedimentation effects: - ANSWER-reduces water clarity, fills up ponds/reservoirs,
pollutants attached to sediment impact water quality.
1972 Clean Water Act - ANSWER-Administered by EPA, created the National Pollutant
Discharge Elimination System (NPDES)
NPDES in South Carolina - ANSWER-SC is an NPDES delegated state. NPDES
regulations are administered by South Carolina Department of Health and
Environmental Control (DHEC).
epa DOES HAVE authority to exert jurisdiction in SC.
Department of Health and Environmental Control (DHEC) - ANSWER-state body that
administers NPDES regulations. Construction General Permit is administered by DHEC
Construction General Permit - ANSWER-Affects both small and large construction
activities. Must be obtained for land disturbing activities of:
- 1 acre or greater
- Less than 1 acre but within a 1/2 mile of a water body in the coastal counties)
- Less than 1 acre of total land area that is part of a larger common plan of
development if the development will end up disturbing more than 1 acre.
Operator categories: - ANSWER-Primary permittee: developer, land owner, site
operator, public/private entity
Secondary Permittee: Residential builder, lot owner
Contractors
lending institutions
, Primary Permittee - ANSWER-They have operational control over Stormwater Pollution
Prevention Plan (SWPPP), construction plans, and specifications.
typically owner or developer
How to obtain coverage under Construction General Permit: - ANSWER-1. Submit a
Notice of Intent
2. Preparation of the Comprehensive Stormwater Pollution Prevention Plan (C-SWPPP)
Inspection Frequency: - ANSWER-at least once every calendar week, and no more than
9 days between inspections.
Within 24 hours of end of storm event with more than 1 inch of rain
Secondary Permittees must provide their own inspections for areas of site under their
operational control.
portions of site that have temporary or permanent stabilization can be inspected 1 time
a month.
Monthly inspections must continue until the Notice of Termination is submitted.
Linear Site Inspection - ANSWER-Must investigate BMP's along the site for 0.25 miles
above and below each access point.
Rainfall Records - ANSWER-Must record rainfall events of 0.5 inches or greater.
Recorded amounts should be kept in Rain Log as part of OS-SWPPP
Inspection Report: - ANSWER-Must include the following:
1.
Secondary Permittee - ANSWER-Conducts land disturbing activity limited to an
individual lot or group of lots. This is Ryan Homes
Contractors - ANSWER-Employed by the primary or secondary permittees. Before
starting work, they must participate in pre-construction conference and complete Pre-
Construction Conference Certification Form
As well as a Contractor Certification Form
Lending Institution - ANSWER-If a bank or government entity takes over a site due to
forclosure, they become responsible for site discharge
Stormwater Pollution Prevention Plans - ANSWER-SWPPP is a site specific document
that: