Questions and Answers
1.What element is targeted by water quality criteria?
Answer Phosphorous, it indicates pollution by bonding with other
pollutants.
2.At what % impervious cover are streams substantially affected?
Answer 25%
3.what is the site-based load limit for water quality?
Answer 0.41 lbs/acre/yr total phosphorous
4.Virginia Runoff Reduction Method- method of load calculations
Answer load calcu- lations based on land cover type and soil type.
5.what must happen to potentially harmful sheet flow runoff?
Answer Must be diverted to stormwater conveyance system.
6.SWM ponds must be able to convey water safely up to what level
storm event?
Answer must be able to safely convey up to a 100 yr storm.
7.Define LDA
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, Answer Land disturbing activity; any man-made change to the land
surface that potentially changes its runoff characteristics; includes
clearing, grading, and excavation.
8.What size LDA must comply with stormwater management regulation?
in CPBA areas?
Answer anything of 1 acre or more, or 2500 ft^2 in CPBA areas; may
be more stringent locally.
9.what are some activities exempt from SWM regulations?
Answer mining, agriculture, sewer discharges, local reclamation
programs, routine maintenance of preexisting operations, public
emergency activity
10.what term basically means a plea deal for stormwater offenders?
Answer consent order, which replaces penalties with fines.
11.how long does VSMP authority have to review SWM plan?
Answer 15 days to review and determine approval, and notify applicant.
12.How often must a VSMP authority inspect an LDA?
Answer Periodically.
13.all SWPPP requirements may be met by
Answer incorporating other plans into refer- ence, or by developing
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