Title
Proposed Revisions to the City’s Stormwater and Grading Design Standards, presentation by Martin Montalvo.
Body
RECOMMENDED ACTION (Motion):
Staff will presenting for discussion the proposed revisions to the City’s Stormwater and Grading Design Manuals. The revisions are required as part of the permit requirements under the City’s National Pollution Discharge Elimination Systems Permit (NPDES) from the Oregon Department of Environmental Quality (DEQ) and the Federal Environmental Protection Agency (EPA).
NRC members may choose to recommend approval of the standards as a group consensus this evening, and/or may choose to submit individually written comments prior to the close of the public hearings.
BACKGROUND:
This item falls within the NRC's current adopted Scope of Activities #6 and #10, and under the 2015 adopted Work Plan Responsibility #2.
Pursuant to Oregon City Municipal Code (OCMC) 13.12.020 these Stormwater and Grading Design Standards have been developed to implement the Stormwater Management standards as outlined in OCMC 13.12.
Stormwater management is a key element in maintaining and enhancing livability within the City of Oregon City. Properly managing stormwater is vital to protecting our water resources for a great number of uses, including fish and wildlife habitat, recreation, and drinking water.
The goal of these updated standards is to provide local engineers, developers, builders, and City staff clear guidance in planning and designing stormwater conveyance and management systems that are appropriate to the local climate, hydrogeology, and geology. These standards apply to public and private projects throughout the City and are required under the City’s existing NPDES Permit. The primary changes to the standards required to the City to address two key aspects of stormwater management; addressing hydro modification and increasing water quality. These two principles can be addressed by actively promoting Low Impact Development as...
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