§ 24.30.315. Wetlands—Stormwater facilities—Maintenance or repair.

A.

Best Management Practices. Maintenance and repair of existing stormwater retention, detention, treatment and conveyance systems is permitted in wetlands and associated buffers. County owned stormwater facilities within wetlands or buffers accommodating runoff from county roads shall be maintained consistent with the BMPs listed in the Regional Road Maintenance Program Guidelines, January 2002, as amended. Other stormwater facilities within wetland buffers shall be maintained consistent with a maintenance plan approved by the Thurston County Department of Water and Wastewater Management in accordance with the Drainage Design and Erosion Control Manual for Thurston County, as amended (Chapter 15.05 TCC). The approved maintenance plan shall be consistent with the wetland and buffer protection provisions of this chapter.

B.

No Expansion. Maintenance of stormwater facilities shall not result in their expansion within the wetland or buffer or result in additional or channelized discharges of water to a wetland or buffer.

(Ord. No. 14773, § 3(Att. B), 7-24-2012)