Stormwater Trash Load Reduction
Compliance Update
Kristin Hathaway, Acting Assistant Director
Public Works Department
Bureau of Environment
City of Oakland Public Works Committee
February 22, 2022
City subject to requirements
under Federal Clean Water Act
Municipal Regional Stormwater
Permit 2.0
Mandates control and reduction
of pollutants in stormwater
runoff
Failure to comply can result in
enforcement actions and/or
third-party lawsuits
Stormwater Trash Load Reduction Compliance
Reduce trash load
by 100% from 2009
baseline levels
Baseline accounts
for trash generation
levels across City by
land-use type
Stormwater Trash Load Reduction Compliance
Very-high trash level example
Existing trash reduction credits:
Full Trash Capture Systems (11.6%)
Creek & Shoreline Cleanups (10%)
Source Control Actions (10%)
Direct Trash Discharge Control Program (15%)
Other Control Measures (56.8%)
Total credits = 103.4%
Stormwater Trash Load Reduction Compliance
Full trash capture devices (210 total)
hydrodynamic separators (11)
connector pipe screens (182)
gross solids removal device (2)
green stormwater infrastructure (3)
trash booms (6)
tree wells (6)
Estimates for ~1,200 to be installed
in the next five years through CIP
Capital costs up to $7M
Annual maintenance up to $1.2M
Stormwater Trash Load Reduction Compliance
Creek and Shoreline Cleanups
Provides 10% trash compliance credit
Earth Day, Creek to Bay Day, MLK Day of
Service, Adopt a Spot = 512k gallons in
fiscal year 2020/2021
+338% increase in volunteer hours since
2010
Stormwater Trash Load Reduction Compliance
Source Control Actions
Provides 10% trash compliance credit
Single-use Plastic Bag Ban
Polystyrene Foam Disposable Food
Service Ware Ban
Stormwater Trash Load Reduction Compliance
Direct Trash Discharge Control Plan
Provides 15% trash compliance credit
Illegal dumping and homeless
encampment cleanups within 500 ft. of
a waterway
Leverages existing programs
Stormwater Trash Load Reduction Compliance
Other Control Measures
Measured through assessments (10% of street
miles in each Trash Management Area)
Includes: Street sweeping; Adopt a Spot; Adopt-
a-Drain; Excess Litter Fee; Business
Improvement Districts; facility inspections;
environmental enforcement officers; and
education and outreach (e.g., Oaktown PROUD)
Demonstrated improvements reducing trash
from very-high to moderate levels
Stormwater Trash Load Reduction Compliance
MRP 3.0
Removes 35% credit: creek and
shoreline cleanups (10%); existing
source controls (10%); and Direct Trash
Discharge Control Program (15%)
31.6% trash reduction credit needed by
Fiscal Year 25/26
Stormwater Trash Load Reduction Compliance
Future Actions
Install full trash capture devices
Integrate in future PWA and DOT projects
Measure Q funding
Enhance on-land actions
Compliance challenges moving forward
maintenance of trash capture devices
uncertainty in on-land actions
Stormwater Trash Load Reduction Compliance