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City of Santa Barbara Wastewater Collection System Operation & Maintenance.

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Presentation on theme: "City of Santa Barbara Wastewater Collection System Operation & Maintenance."— Presentation transcript:

1 City of Santa Barbara Wastewater Collection System Operation & Maintenance

2 City of Santa Barbara Public Works Department 2 Collection System Information  277 Miles of Mainline (4 – 42 inches)  ~ 350 miles of Private Laterals  9 Lift Stations  Comprehensive Sewer System Management Program  Inspection  Cleaning  Repair  Rehabilitation  Replacement  Sewer Lateral Inspection Program

3 City of Santa Barbara Public Works Department 3

4 4 System Performance  Stoppages  Spills  Capacity  Condition

5 City of Santa Barbara Public Works Department 5 Stoppage History

6 City of Santa Barbara Public Works Department 6 Spill History

7 City of Santa Barbara Public Works Department 7 Stoppages & Spills

8 City of Santa Barbara Public Works Department 8 RWQCB REPORTS – reporting period – June 1, 2007 through June 30, 2009  # of SSO’s per 100 miles –  Santa Barbara – 25.9  SLO – 19.1  SM – 18.4  MONT. – 15.2

9 City of Santa Barbara Public Works Department 9 RWQCB – reports cont.d’  City of Santa Barbara  72 total SSO’s  65 < 1,000 gals.  42 – root blockage  35% entered SD/water bodies  15,333 gals. not recovered

10 City of Santa Barbara Public Works Department 10 Spills June June 2009  Total Spills – 72  Spill with links to private causes - 45  Roots from Laterals – 24  Plumbers Roots – 4  Debris from Construction or repair – 17

11 City of Santa Barbara Public Works Department 11 CY 2004 – year history Distribution of SSO’s by Volume Estimated Volume Range, gallons Number 163 Portion of Total > 10, , , < Distribution of SSO’s by Cause Primary CauseNumber 163 Portion of Total Root Intrusion Debris106.1 Grease116.7 Wet Weather127.3 Other6439.2

12 City of Santa Barbara Public Works Department 12 CIWQS DATA  As of June 30, 2009,  1,100 Agencies registered  610 agencies reported SSO’s  14,100 reported SSO locations  8 reporting agencies (1.3% of total) have spilled 72% of the total volume to surface waters  29 million gallons spilled  19 million gallons to surface waters  2,100 gallons average spill volume  36% average recovery

13 City of Santa Barbara Public Works Department 13 System Monitoring  I&I Studies 2003 & 2004  On-going Flow Monitoring  Model  Normal  Wet Weather

14 City of Santa Barbara Public Works Department 14 Wet Weather Improvements  Spring Street  Montecito – 2009  De La Guerra – 2009  De La Vina LEGEND

15 City of Santa Barbara Public Works Department 15

16 City of Santa Barbara Public Works Department 16 New 24 Inch Line Quarantina & Montecito E MONTECITO PL TERRACE VISTA LN SYCAMORE LN OAK ST LA CADENA ST LAWRENCE AVE KIMBALL AVE MOTOR WAY ASHLEY AVE CLIFFORD AVE RINCONADA RD ELIZABETH ST PICO AVE NIELPARK ST JUANA MARIA AVE JENNINGS AVE UNION AVE MELLIFONT AVE WILSON AVE POWERS AVE GARDEN ST SB OFFRAMP LAGUNA ST NB OFFRAMP MILPAS ST NB OFFRAMP ENSENADA ST S NOPALITOS WAY FIG AVE WALDRON AVE EDISON AVE ALLEY 600 BLOCK GUTIERREZ ST RICHARDSON AVE ALLEY 800 BLOCK N NOPAL ST E CABRILLO BLVD S SALINAS ST S ALISOS ST CACIQUE ST S MILPAS ST INDIO MUERTO ST N CANADA ST E YANONALI ST E MONTECITO ST E MASON ST QUINIENTOS ST S SOLEDAD ST LA VISTA GRANDE LAGUNA ST PALM AVE SANTA BARBARA ST ANACAPA ST CALLE CESAR CHAVEZ CHAPALA ST GARDEN ST N VOLUNTARIO ST STATE ST OLIVE ST E DE LA GUERRA ST E COTA ST E CANON PERDIDO ST E CARRILLO VINE AVE N NOPA L ST BLANCHARD ST E ORTEGA ST GRAY AVE N ALISOS ST SPRING ST BOND AVE E HALEY ST LEGEND Hydraulic Restriction Siphon

17 City of Santa Barbara Public Works Department 17 24” Trunk line Repair – February , 2009

18 City of Santa Barbara Public Works Department 18

19 City of Santa Barbara Public Works Department 19 Improving System Performance  Revising Procedures for SLIP  CCTV Inspection  Preventative Maintenance  System Monitoring  Rehabilitation and Replacement

20 City of Santa Barbara Public Works Department 20 Questions?


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