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Moulton Falls

 
Burnt Bridge Creek

Stormwater

Clean water projects

The Clean Water Program develops new stormwater facilities and designs and implements updates to older facilities that collect and treat polluted storm runoff. These projects control stormwater flows and help:

  • Reduce pollution in our water runoff.
  • Improve water quality treatment.
  • Reduce stream erosion and protect river habitat.
  • Keep our waterways safe for recreation and other uses.

Projects vary in scope and size, but may include installing rain gardens or wetlands for improved water quality treatment, expanding water storage, modifying inlets and outlets, and repairing or replacing aging facilities. Projects are funded by clean water fees and state and federal grants.

Project map

View Clark County stormwater projects on a larger map

Active project

2015 - Drywell Water Quality

Clark County Environmental Services will provide water quality treatment upstream of 35 drywells using rain gardens and catch basin filters. These drywells currently discharge untreated stormwater from roads and driveways into the groundwater, and several are at high risk for contaminating groundwater resources. Construction should begin in July 2015 and be completed by September 2015. The drywells are grouped in four locations within the Lacamas, Salmon Creek, and Burnt Bridge Creek watersheds. Estimated cost is $611K. Here are the project fliers, based on the project locations:

Whipple Creek Watershed Plan

Clark County will be developing a watershed-scale plan in 2014-2016 for the Whipple Creek watershed. More >>

Completed projects

2014

Name Cost Type
Thomas Wetland East $2,000,000 Wetland enhancement / stormwater retrofit

2013

Name Cost Type
Parkside Manor $960,000 Stormwater retrofit
2012
Name Cost Type
Heritage Meadows Subdivision $300,000 Stormwater retrofit
Mount Vista Subdivision $551,000 Stormwater retrofit
Padden-Andresen Stormwater Facility $1,320,000 Stormwater retrofit

Sunset Glen / Drasler Place

$130,000 Stormwater retrofit
2011
Name Cost Type
Buena Vista Subdivision $420,000 Stormwater facility retrofit
Grassland Meadows Subdivision $270,000 Stormwater facility retrofit
NE 149th Street Rock Storage Facility $210,000 Rain garden
SR 503/Fred Meyer $280,000 Stormwater facility
Sherwood 6 $180,000 Stormwater facility, Outfall repair
Upper Whipple Creek $825,000 Stream restoration
Whipple Creek interpretive sign
2010
Name Cost Type
NE 99 Street Green Infrastructure   Rain Gardens
Carrie Otter Wetlands $650,000 Restoration
Encore Facility $1,005,000 Stormwater facility retrofit
Lakeshore / NW 99th Street $150,000 Rain Garden
2009
Name Cost Type
Curtin Creek $3,690,000 Floodplain enhancement, restoration.
Curtin Creek interpretive sign


 

 
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