CORRECT SOLUTIONS
Administered by the US environmental protection agency (EPA) Created the NPDES -
ANSWER-1972 clean water act
Amendment to CWA CALLED WATER QUALITY ACT - ANSWER-1987
South Carolina is NPDES delegated state. - ANSWER-NPDES in south carolina
SCDHEC - ANSWER-NPDES regulations are administered by
stormwater discharges from construction sites - ANSWER-CGP authorizes
land disturbing activities greater than or equal to 1 acre
-land disturbance less than 1 ac within 1/2 miles of water body in SC costal zone -
ANSWER-Who must obtain NPDES coverage
operator-person or company for a particular discharge - ANSWER-NPDES permits are
issued to
-has day to day operational control to ensure compliance with SWPP
-typically the owner or developer - ANSWER-primary permittee
submit NOI, Preparation of the C_SWPPP - ANSWER-primary permittee responsibilites
individual lot owner or residential builder that conducts land disturbing activity limited to
an individual lot or group of lots as part of approved LCP of development - ANSWER-
Secondary permittee
Once every month - ANSWER-Inspection frequency for sites that have reached
temporary stablization
linear activites may limit access to disturbed areas, in such cases representative
inspections may be performed - ANSWER-Linear site inspection
personnel must investigate BMP's along the site for 0.25 miles above and below each
access point where the site intersects with -roadway - undisturbed right of way - other
similar feature- Condition along each inspected segment are considered
"respresentative" along that reach of construction - ANSWER-representative
inspections (linear site inspection)
, 0.5 inches or greater - ANSWER-permittees must record rainfall events of
maintained in rain log located as part of the OS-SWPPP - ANSWER-where should
rainfall records be kept
must on Contractor Certification- D-0437 - ANSWER-contractors
SCDHEC CGP, NOI, NPDES coverage approval letter, Contractor Certifications, Local
Approvals, USACE approvals, Critical area permit(coast) - ANSWER-On-Site SWPPP
a copy of signed and certified SWPPP, NOI, and CGP coverage letter from DHEC must
be retained at site or electronically accessible - ANSWER-OS_SWPPP
minor modifications made directly in the field,do not need approval by DHEC- additional
BMP's, removal of disturbed areas - ANSWER-minor modification to ON-SWPPP
must be made by qualified individual and submitted to DHEC or appropriate delegated
entity for approval - ANSWER-major modifications to OS-SWPPP
include a phased stormwater management plan which identifies all BMP's and grading
work conducted during a specific portion of the sites construction sequence. Each
phase identified on at least one separate plan sheet. - ANSWER-Phased plan
requirement > 5
at least two separate plan phases are required - initial land disturbance phase -
stabilization phase - ANSWER-Phased plan requirement < 10 but > 5 acres
at least 3 separate plan phases are required - initial land disturbance phase -
construction phase - stabilization phase - ANSWER-Phased plan requirement ≥ 10
acres
1. areas of site disturbed by construction activity and areas used for storage of materials
exposed to precipitation
2. stormwater conveyance systems for evidence of sediment
3. BMP's identified in OS-SWPPP
4. Discharge location to investigate if sediment leaving site, or if such locations are
inaccessible, nearby downstream location if possible.
5. Where vehicles enter or exit site for evidence of off-site sediment tracking. -
ANSWER-All compliance inspection must include invesg. of, at a minimum of 5 of the
following
at least once a week or within 24 hours of end of storm event >0.5 inches - ANSWER-
inspection frequency after construction begins