Transcript Santa Monica Bay Water Quality

Santa Monica Bay
Water Quality
and the
City of Redondo Beach
Stormwater Program
Discussion Topics
• Background
• Water Quality Programs
• National Pollution Discharge Elimination System
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(NPDES) Permit
Santa Monica Bay Beaches Bacteria Total
Maximum Daily Load (SMBBB TMDL)
Redondo Beach Stormwater Program
Potential Impacts
Q&A
Background
National Pollutant Discharge Elimination
System (NPDES) Program
• 1972 Clean Water Act (CWA)
– Public Owned Treatment Work (POTW)
targeted
• 1987 Stormwater Regulating Begins
• 1990 First Municipal NPDES permit issued
• 2001 Second permit re-issuance
Background (cont.)
Total Maximum Daily Load (TMDL) regulations
• 1972 Impaired Waters List (303d list) begins
• 1999 TMDL litigation – 58 TMDLs in 13 years
• July 2003 Santa Monica Bay Beaches Bacteria
TMDL (SMBBB TMDL) regulation approved
Water Quality Programs
• NPDES addresses stormwater quality in
general
• SMBBB TMDL – addresses quality of water
along beach
MS4 Municipal NPDES Permit
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2001 NPDES Permit -Third Five-Year permit
County of Los Angeles – Principal Permittee
85 cities Co-permittees
Six Watershed Management Areas (WMA)
City of Redondo Beach part of Santa Monica Bay
– Ballona Creek and other urban WMA
Santa Monica Bay
Ballona Creek WMA Watershed
MS4 Municipal NPDES Permit
• Permit addresses board stormwater problems
• Broad range of activities
– Public outreach
– City staff training on BMPs and new activities (catch
basin cleaning
– Business and Construction site inspections
– Illicit Discharge investigations
– Land Development – SUSMP
• Title 5 Chapter 7 of Municipal Code – City
Stormwater regulations
SMBBB TMDL
• SMBBB TMDL effective July 15, 2003
• SMBBB TMDL requirements
– Coordinated Monitoring Plan (CMP)
– Implementation Plan – 10 to 18 years
• Created Nine Jurisdictional Groups
SMBBB TMDL Jurisdictions
Jurisdictional Groups 5 & 6
• Watersheds in the South
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Bay
Jurisdictional Group 5 –
Manhattan Beach,
Hermosa Beach, El
Segundo, Caltrans and
County of Los Angeles
Jurisdictional Group 6 Redondo Beach,
Manhattan Beach,
Hermosa Beach,
Torrance, Caltrans and
County of Los Angeles
Coordinated Monitoring Plan
• 180 days to develop.
• Multi-agency effort – lead by City of Los Angeles and
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County of Los Angeles
Basis of Plan - historically monitoring conducted by City
of Los Angeles – Environmental Monitoring Division and
Dept. of Health Services (56 sites)
Plan includes 67 monitoring sites
Monitoring Plan approved – April 2004 with monitoring
beginning November 1, 2004
Three time periods for limits
– Summer-dry weather
– Winter-dry weather
– Wet weather
Groups 5 & 6 Monitoring
• Eleven Monitoring Sites
• Michelson Lab (7 sites) and DHS
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(4 sites) conduct monitoring
Weekly samples taken on Monday
Analyzed for Total Coliform, Fecal
Coliform and Enterococcus
Limits
– Summer-dry weather – zero
exceedance days
– Winter-dry weather – one
exceedance day
– Wet weather – three exceedance
days
Implementation Plan
• 20 months to develop
• Groups 5 & 6 agencies jointly prepared
plan
• Three major components
– Increased public outreach focused on bacteria
– Pilot capital improvements
– Source identification
• Implementation to begin July 2006
City of Redondo Beach
Stormwater Program
City of Redondo Beach Water
Quality Program
• Implement NPDES permit SQMP and
construct structural BMPs
• Pre – SMBBB TMDL: Trash-Litter removal
– Four CDS Units installed using $750k grant
• Pier Pollution Improvement
– Multiple improvements using $350k grant
– Replace sewer main, new trash enclosures,
fish cleaning station and low flow diversion
City of Redondo Beach Water
Quality Program
• Major focus of SMBBB
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TMDL compliance –
Pier to Topaz
Three of four
monitoring sites
Largest number of
exceedances
Monitoring Results
Potential Impacts and NPDES
Permit compliance
• Pier Activities
• Beach Activities
• Storm Drains
• Street sweeping – parking exemptions
• Seaside Lagoon – bacteria problem
Questions & Answers