Municipal Maintenance Activities Presented on April 24, 2006

Work Group Members Kristy McCumby, City of Sunnyvale Kristy McCumby, City of Sunnyvale John Fusco, SCVURPPP/EOA, Inc. John Fusco, SCVURPPP/EOA, Inc. Lorenzo Smith, City of Hayward Lorenzo Smith, City of Hayward Elisa Wilfong, CCCWP Elisa Wilfong, CCCWP Habte Kifle, Water Board Habte Kifle, Water Board

Goals and Objectives Identify and Implement adequate BMPs to reduce source of pollutants during municipal maintenance activities Identify and Implement adequate BMPs to reduce source of pollutants during municipal maintenance activities Keep records and report measurable results annually Keep records and report measurable results annually

Pollutants Associated with Municipal Activities Sediments Sediments Nutrients Nutrients Pathogens Pathogens Oil and grease Oil and grease Metals Metals Organic Chemicals Organic Chemicals Pesticides Pesticides Trash/Litter Trash/Litter Vector production Vector production BOD/COD BOD/COD pH pH Others Others

Component Activities Public Street and Road Sweeping and Cleaning Public Street and Road Sweeping and Cleaning Street/Road Repair & Maintenance Street/Road Repair & Maintenance Sidewalk/Plaza Maintenance Sidewalk/Plaza Maintenance Bridge & Structure Maintenance Bridge & Structure Maintenance Landscape Maintenance Landscape Maintenance Litter/Trash Control Litter/Trash Control Catch Basin Inspection and Cleaning Catch Basin Inspection and Cleaning Stormwater Pump Station and Conveyance Systems Stormwater Pump Station and Conveyance Systems Rural Public Works Maintenance and Support Rural Public Works Maintenance and Support Corporate Yard Maintenance Corporate Yard Maintenance Lagoon Maintenance Lagoon Maintenance

Contribution Credit Plain Black Type are Work Group’s product Plain Black Type are Work Group’s product Redlines/Strikeouts and/or Red Colored Type are Water Board Staff’s comments Redlines/Strikeouts and/or Red Colored Type are Water Board Staff’s comments

Current Regulatory Status Municipal maintenance has been one of the core program components Municipal maintenance has been one of the core program components Programs develop their own Performance Standards under the current permits Programs develop their own Performance Standards under the current permits Existing permits lack specific uniform Performance Standards to measure compliance Existing permits lack specific uniform Performance Standards to measure compliance

Major Expectations Identify effective Performance Standards Identify effective Performance Standards More clearly specify implementation levels More clearly specify implementation levels Measure pollutant source removal, inspection, and cleanup efforts by record keeping and reporting annually Measure pollutant source removal, inspection, and cleanup efforts by record keeping and reporting annually

Street Sweeping Implementation Assign street sweeping priorities as: Assign street sweeping priorities as: – High Priority – Medium Priority – Low Priority Street sweeping frequencies: Street sweeping frequencies: – High Priority – average twice/month – Medium Priority – average once/month – Low Priority – twice/year before onset of rainy season Where street sweeping is not technically feasible, Permittees are required to Where street sweeping is not technically feasible, Permittees are required to – Increase trash/litter removal and control efforts – Conduct seasonal efforts to remove leave from paved surfaces

Trash and Litter Control Identify and assess potential litter/trash accumulation areas Identify and assess potential litter/trash accumulation areas Identify potential management actions to reduce trash levels at identified areas Identify potential management actions to reduce trash levels at identified areas Provide public trash receptacles in trash prone areas, most probably in high priority sweeping locations Provide public trash receptacles in trash prone areas, most probably in high priority sweeping locations Retrofit storm drain inlets in high traffic areas and pump stations Retrofit storm drain inlets in high traffic areas and pump stations Cover grates and swirl separators Cover grates and swirl separators Improve public outreach Improve public outreach

Pump Stations Address water quality problems Address water quality problems Inventory existing pump stations Inventory existing pump stations Control and remove trash Control and remove trash Implement monitoring of flows, DO, conductivity, other pollutants Implement monitoring of flows, DO, conductivity, other pollutants Explore diversion to sanitary sewer (dry weather flows and first flush) Explore diversion to sanitary sewer (dry weather flows and first flush)

Comments Received from NGO Street Sweeping Street Sweeping – Cost-benefit analysis – Training expectations Operation and Maintenance of Channels Operation and Maintenance of Channels – Permit Activities – Monitor pump-station discharges – Inspect, maintain, and design or re-design outfalls to minimize erosion and sedimentation Tidal Lagoon Tidal Lagoon

Comments Received from NGO Litter/Trash Clean Up Litter/Trash Clean Up – Report problem site on a GIS-based system – Require specific increased trash removal (e.g. 10% of problem areas and three sites per permit) Catch Basin Inspection and Cleaning Catch Basin Inspection and Cleaning – Report locations on a GIS system – Increase cleaning frequency

QUESTION AND ANSWER