Spanaway Lake Watershed

As promised, the draft Spanaway Lake Watershed-scale Stormwater Management Plan is available for review on our website:

http://www.co.pierce.wa.us/spanawaywatershedplan

 

 

Background: 

The Spanaway Lake Watershed-scale Stormwater Management Plan is a requirement of the Washington State Phase I Municipal Stormwater Permit (2013-18).  The Permit requires watershed modeling to predict whether water quality standards for temperature, copper, zinc, and fecal coliform bacteria, and benchmarks for Benthic Index of Biotic Integrity (B-IBI) scores will be met under existing and future conditions. If the modeling results indicate that these benchmarks or water quality standards may not be met, the Permit requires evaluation of potential stormwater management strategies to meet the water quality standards or B-IBI. The watershed-scale stormwater management plan should include a summary of results of the modeling and planning process, results of the evaluation of strategies, and an implementation plan and schedule.  The Permit requires that the County submit a plan to the Washington State Department of Ecology by September 6, 2017.

Tom Kantz, Ph.D., Watershed Partners Unit Supervisor, Pierce County Planning and Public Works Surface Water Management Division (253) 798-4625 | tkantz@co.pierce.wa.us

 

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