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HomeMy WebLinkAboutItem 17 PPP Operations 09-06-17 - Urban Runoff Program BEACH CURFEW P® URBAN RUNOFF DIVERSION PROGRAM ENVIRONMENTAL SERVICES DEPARTMENT Irr WJAMES E. COLSTON r' J ♦` 5r ^'� DIRECTOR OF do ENVIRONMENTAL SERVICES / 4 � k� c fir'` .. Y o �l,'.., ►'► �' � t 1 1� 0 n 1 r ui 01, 00 10 +-, 1 WHY DIVERT URBAN RUNOFF ? 1. Beach Closures Due To Bacteria 2. Selenium TMDL z - —� 1st Street ,�-`�*:y: •' Diversion Peters Canyon Diversion t IMN wto WHY DIVERT URBAN RUNOFF? High Bacteria Levels Close Beaches Current Urban Runoff Policy Resolution No. OCSD 13-09 • 10 MGD Maximum Flow RESOLUTION NO.OCSD 13-09 A RESOLUTION OF THE BOARD OF DIRECTORS OF ORANGE COUNTY SANITATION DISTRICT ESTABLISHING THE POLICY FOR DRY WEATHER URBAN RUNOFF AND REPEALING RESOLUTION NO. OCSD 01-07 WHEREAS,the Orange County Sanitation District rr Is a duty organized N o Additional Cost County Sanitation District existing pursuant to the County t'Sa Sanitation District Act, • California Health and Safety Code section 4700,at seq..providing for the ownership, operation,and maintenance of wastewater collection,treabnenl,and disposal facilities Orange County,California;and WHEREAS,pursuant to Health and Safety Code section 4730.68,the District is authorized to acquire,construct,operate,maintain,and furnish facilities for all or any of the following purposes"(1)The diversion of urban runoff from drainage courses within me district.(2)The treatment of the urban runoff.(3)The return of the water to the drainage courses.(4)The beneficial use of the water.":and WHEREAS,certain types dry weather urban own-mica create public health antral • Only i f Capacity i s Available nvironenW are to problems which are infeasible economoalty or practically ventral throumgh traditional sto-water bast management produices:and WHEREAS,the Distr;t has available limited system capacity in its collection, treatment and diaposel facilities which may allow the District to accept discharge of certain dry weather urban runoff Bows not to exceed 10 mllllon gallons per day('mgd') without adversely affecting the District's primary function of collection,treatment and disposal of s rnio ry sewer discharges;and WHEREAS,the District does not have system rapacity available to allow wet N o Wet Weather Discharges weather discharges to the District's facilities;and • WHEREAS,for purposes of this policy,"wet weather'shall mean any period during which measurable rainfall ocours In any portion of the District's service area and shall include the period fallowing the cessaton of rainfall until the District detemrines that the wet weather event is no longer impacting the Dlanicl's collection,treatment and disposal facilities,and WHEREAS,for the purposes of this policy,"dry weather"shall mean any period which does not fall within the definili—of"wet weather;and WHEREAS,the District developed a Dry Weather Urban Runoff Policy pursuant Policy Addresses Public Health o r to Resolu8on No.OCSD 01-07 to address certain environmental conceme aeaoUaled with dry weather urban runoff;and OSCD-13-09-1 Environmental Problem lip" OCSD 's PARTNERS • Orange County Public Works Santa Ana River, Huntington Beach Channel, Greenville Channel • City of Huntington Beach Adams, Atlanta, Banning, Flounder, Hamilton, Indianapolis, Meredith, Newland, Scenario, Yorktown and 1st Street CDS • City of Newport Beach Big Canyon, Newport Dunes, Mid Big Canyon • Irvine Ranch Water District Los Trancos Canyon, Muddy Canyon, Peters Canyon • PH Finance (Pelican Hill Resort) Pelican Point Program Administration • OCSD coordinates with O.C. Watersheds (Technical Advisory Committee) • OCSD and Permittee execute an Agreement for Dry Weather Urban Runoff • Dry Weather Urban Runoff Discharge Permit issued to each diversion ANAHEIM BAY- HUNTINGTON HARBOUR WATERSHED GARDEN GROVE TUS TIN WESTM INSTER SANTA ANA Discharge to FOUNTAIN VALLEY Plant 1 ' SANTA ANA RIVER WATERSHED — '� lRVINE HUNTINGTON BEACH = - - G i NEWPORT BAY WATERSHED COSTA PJESA C C C C NEIVFORT BEACH Urban Runoff Diversions NEWPORT COASTAL no longer permitted WATERSHED pending - not yet permitted permitted C _ LAGUNA COASTAL WATERSHED Diversion Locations Dry Weather Urban Runoff Quality • Routine Monitoring Both OCSD and Permittees • Very Good Compliance Record Heavy metals, oil & grease, malathion, and TTOs (chloroform, toluene) at near detection limit concentrations Occasional Sulfide Exceedances Summer Dry Weather - 97°0 of sites score A and 8 grades m a Ct ' W►nter Dry Weather - 93°0 of sites score A and 8 grades • Wet Weather — 44°0 o sites score A and 8 grades f (down from 5-year average of 60°0) Location Summer Winter Wet Weather Pb &�� Dry LL. D ry Brookhurst Street A B B Crystal Cove State Beach A+ A+ A+ Honor Hwara rcemien, Huntington Street A+ A C Magnolia Street A A A Muddy Canyon Beach A+ A+ A Newport Dunes — A A+ F 4 monitoring locations Pelican Point Beach A+ A+ A+ Santa Ana River Mouth A A C PROGRAM at a GLANCE 21 Diversions 1.5 Million Gallons 9 Billion Gallons in... Per Day 18 Years L NAND, Millions of Happy Beachgoers! I -t► / , '4. �J r. loft- Alr URBAN RUNOFF DIVERSION PROGRAM $AHI r4;, y ENVIRONMENTAL DEPARTMENT C� r 2 Q c� QUESTIONS . or�cr,NC THE EN�\Poa�