presentation by richard boon, county of orange todd snyder ... · presentation by richard boon,...
TRANSCRIPT
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State Board Workshop
Presentation By
Richard Boon, County of Orange
Todd Snyder, County of San Diego
Jason Uhley, PE, Riverside County FC&WCD
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Fecal Indicator Bacteria In wine there is wisdom,
In beer there is freedom,
In water there is bacteria.
John Adams, 1770
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FIB: Report Card Grades
Beach report card grades consistently high
in dry weather
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FIB: Dry Weather – Aliso Creek
Running 30-Day Fecal Coliform Geomean
Aliso Creek - CTPJ01
200
10
100
1,000
10,000
CF
U/
10
0 m
L
Running 30-Day Geomean REC-1 30-Day Geomean Water Quality Objective
2001 2002 2003 2004 2005 2006 2007 2008 2009
Annual monitoring period is August through September. Minimum of 5 samples/30-day period.
2010 2011
Running 30-Day Enterococcus Geomean
Aliso Creek - CTPJ01
33
10
100
1,000
10,000
CF
U/
10
0 m
L
Running 30-Day Geomean REC-1 30-Day Geomean Water Quality Objective
2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011
Annual monitoring period is August through September. Minimum of 5 samples/30-day period.
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FIB: Wet Weather Challenges
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FIB: BMP Effectiveness Study
BMP Effectiveness - Enterococci
Credit: Kacen Clapper, OCPW
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FIB: BMP Effectiveness Study
BMP Effectiveness - Enterococci
Credit: Kacen Clapper, OCPW
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FIB: Dry Weather Diversions
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FIB: Wildlife Control
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FIB: Sanitary Sewer Overflow Reduction
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Bacteria: Beach Closures
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Bacteria: Beach Advisories
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FIB: Summary
BMPs and overall flow reductions resulting in significant reductions in dry weather
Successful dry weather bacteria BMPs appear ineffective in providing meaningful wet weather reductions
Overall reduction in the number of sewage spills correlates with lower number of beach closures and increased recreational water use. (Countywide Area Spill Control Program – CASC)
Decrease in the total number of beach mile days posted due to AB411 standards violations has increased beneficial use. Example: Doheny