Title
Approval of State Revolving Fund Loan Agreement for State Avenue Stormwater Retrofit
Recommended Action
Committee Recommendation:
Not referred to a committee.
City Manager Recommendation:
Move to approve the Washington State Water Pollution Control Revolving Fund Loan Agreement for the State Avenue Stormwater Retrofit project and authorize the City Manager or his designee to sign related documents.
Report
Issue:
The Storm and Surface Water Utility has been approved for a loan to design and construct water quality treatment facilities to treat runoff from the State Avenue corridor between East Bay Drive and Central Street. Execution of an agreement is necessary to receive funding.
Staff Contact:
Eric Christensen, Water Resources Engineer, Public Works, 360.570.3741
Andy Haub, Water Resources Director, Public Works, 360.753.8475
Presenter(s):
None - Consent Item
Background and Analysis:
The project will provide water quality treatment for stormwater runoff from approximately nine blocks of State Avenue between East Bay Drive and Central Street in East Olympia. Runoff from State Avenue currently discharges directly, without any water quality treatment, to the piped Indian/Moxlie Creek and then Budd Inlet's East Bay, all of which are categorized by the Department of Ecology (Ecology) as impaired water bodies.
The project will install Filterra Bioretention Filtration System units (Filterras) to capture and treat runoff from the roadway. The Filterras will be located east of each intersection between the sidewalk and curb. Filterras combine stormwater filtration using specialized filter media and landscape vegetation in an attractive, self-contained manufactured unit. Treated stormwater will be discharged to the existing stormwater conveyance system.
There are several reasons the State Avenue stormwater retrofit project is seen as a good opportunity:
? The stormwater project is being incorporated into planned pedestrian...
Click here for full text