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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 (NPDES) Permit Santa Monica Bay Beaches Bacteria Total Maximum Daily Load (SMBBB TMDL)

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Santa Monica Bay Water Quality

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  1. Santa Monica BayWater Quality and the City of Redondo Beach Stormwater Program

  2. Discussion Topics • Background • Water Quality Programs • National Pollution Discharge Elimination System (NPDES) Permit • Santa Monica Bay Beaches Bacteria Total Maximum Daily Load (SMBBB TMDL) • Redondo Beach Stormwater Program • Potential Impacts • Q & A

  3. 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

  4. 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

  5. Water Quality Programs • NPDES addresses stormwater quality in general • SMBBB TMDL – addresses quality of water along beach

  6. MS4 Municipal NPDES Permit • 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

  7. Santa Monica BayBallona Creek WMA Watershed

  8. 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

  9. 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

  10. SMBBB TMDL Jurisdictions

  11. Jurisdictional Groups 5 & 6 • Watersheds in the South 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

  12. Coordinated Monitoring Plan • 180 days to develop. • Multi-agency effort – lead by City of Los Angeles and 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

  13. Groups 5 & 6 Monitoring • Eleven Monitoring Sites • Michelson Lab (7 sites) and DHS (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

  14. 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

  15. City of Redondo Beach Stormwater Program

  16. 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

  17. City of Redondo Beach Water Quality Program • Major focus of SMBBB TMDL compliance – Pier to Topaz • Three of four monitoring sites • Largest number of exceedances

  18. Monitoring Results

  19. Potential Impacts and NPDES Permit compliance • Pier Activities • Beach Activities • Storm Drains • Street sweeping – parking exemptions • Seaside Lagoon – bacteria problem

  20. Questions & Answers

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