Frequently Asked Questions (FAQ)

Department of Public Works

Frequently Asked Questions (FAQ)
Frequently Asked Questions (FAQ) Best Management Practices

1	What is a BMP?
2	How do pollutants get into surface and ground water?
3	What are the pollutants of concern in stormwater?
4	Doesn't urban runoff get treated in the same way as sewage?
5	What is "Point Source" Pollution?
6	What is "Nonpoint Source" Pollution?
7	How do BMPs relate to SUSMP regulations?
8	I would like to obtain a copy of California Urban Runoff Best Management Practices Handbooks for Construction Activity, Municipal and Industrial/Commercial. Can you please provide directions on how to get a copy?
9	How do SUSMP and construction activity BMPs differ?
10	What kinds of projects require post-construction (SUSMP) BMPs?
11	What is the difference between a SWPPP and a BMP?
12	What does "first flush" mean?
13	How do BMPs relate to TMDL regulations?
14	What is the impact on ground water from infiltration or porous pavement BMPs?
15	Why harvest rainwater?
16	Which BMPs are recommended for which pollutants?
17	To what standards should BMPs be implemented?
18	Who has had experience with certain types of BMPs?
19	Are BMPs effective?
20	What is a BMP "treatment train"?
21	Are mosquitoes a problem with stormwater BMPs, can mosquitoes be eliminated from BMPs, and what preventive devices work best?
22	What BMPs are on the County's approved list?
23	How are private development projects involving BMPs evaluated by the County?
24	What is a "Certified Full Capture" BMP?
25	I am a vendor of stormwater BMP products and services. How can I get qualified to do business with the County of Los Angeles?
26	What Peak Flow criteria exist in Los Angeles County?
27	What are the most common construction site water quality BMP violations?
28	Where could I get a copy of postings and brochures for the food and restaurant industry pertaining to the Best Management Practices (BMP) program?

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