Storm water Trash
Load R eduction
Com pliance Update
Terri Fashing
Acting Watershed Manager
Watershed & S tormwater Management Division
Public Works Department
Bureau of Design and Construction
• City subject to Municipal Regional Stormwater Permit
(MRP) requirements to reduce trash discharges from
storm drains to waterways
• Incremental changes in MRP requirements since 2009
• 2022 third iteration of MRP (MRP 3.0) phases out
compliance credits, requires new program to regulate
large private parcels.
• To meet requirements by June 30, 2025 and 2026:
• Expand existing trash reduction programs
• Install ~1,880 additional full trash capture systems in the storm drain system
• Accounts for trash
generation levels across City
by land-use type
• New actions compared to
baseline set in first MRP
(2009-2015)
Very-High trash level example
Com pliance B aseline
Trash Load Reduction Accounting
• FY 2021/22 trash reduction credits
• Full Trash Capture Systems (11.5%)
• Creek & Shoreline Cleanups (10%)
• Source Control Actions (10%)
• Direct Trash Discharge Control
Program (15%)
• Other Control Measures (61.5%)
• Total credits = 108%
• Exceeded MRP 2.0 requirement
Full Trash Capture Devices
• 219 total
• Hydrodynamic separators (10)
• Connector pipe screens (197)
• Gross solids removal device (2)
• Green stormwater infrastructure (4)
• Tree wells (6)
• Over 1,800 more installed in next 3 years
• Capital costs up to $5.64M
Source Control Actions
• First compliance credit phased out
• No longer provides 10% credit
• Single -use Plastic Bag Ban
• Polystyrene Foam Disposable Food
Service Ware Ban
Creek & Shoreline Cleanups
• Until June 30, 2025 provides 10%
credit
• 492K gallons cleaned in Fiscal Year
2021/22
• +192% increase in volunteer hours
since 2010
Direct Trash Discharge Control P lan
• Until December 31, 2025 provides 15%
credit
• Illegal dumping and homeless
encampment cleanups near
waterways
• Leverages existing programs
• Applied for reauthorization
Other Trash Control Measures
• Compliance credit measured through on- land visual
trash assessments (OVTAs)
• Accounts for trash reduction improvements from:
• Street sweeping; Adopt- a-Spot; Adopt- a-Drain;
Excess Litter Fee; Business Improvement Districts;
business inspections; Environmental Enforcement
Officers; and education and outreach (e.g.,
Oaktown PROUD)
MRP 3.0 Com pliance Credits Changes
• 27% trash reduction credits
needed by FY 2025/26
Trash Load Reduction Action FY 25/26
1) Full Trash Capture Systems 11.5%
2) Creek and Shoreline Cleanups 0%
3) Source Control Actions 0%
4) Direct Trash Discharge Control Program 0%
5) Other Control Measures 61.5%
Total 73%
Compliance Requirement 100%
Trash Credits Needed 27%
R equire Large P arcels to Control Trash
• Private parcels with storm drainage plumbed
directly to City’s storm drain system must
control trash by June 30, 2025
• Install full trash capture systems or implement
equivalent trash reduction programs
• Includes businesses and residential properties
Planned Actions and Challenges Ahead
Actions
1. Install full trash capture devices (~1,880)
• Integrate in future OPW and DOT projects
• Measure Q funding
• Continue and expand existing trash reduction programs Challenges
• Controls on private land drainage areas
• Capital costs to install trash capture devices
• Cost to maintain thousands of trash capture devices
LEARN MORE
To learn more about actions the City of Oakland Watershed & Stormwater Management Division is taking to protect water quality and restore and preserve Oaklands, creeks, lakes and watersheds visit:
Oaklandcreeks.org