Mitigation bank projects

We work in partnership with the U.S. Army Corps of Engineers and EPA to certify and regulate wetland mitigation banks in Washington. The map below shows the wetland mitigation banks approved by Ecology and those projects undergoing technical review.

Banks under review are proposed wetland mitigation banks that are undergoing technical review by the interagency review team.
Approved banks have gone through the state certification process and are available for mitigation.

Detailed information for each bank can be found using the links below the map.

Location of wetland banks in Washington. You can find detailed information for each mitigation bank by clicking the links to project-specific pages below.

Banks under review

Clark County: Wapato Valley

Project sponsor

Plas Newydd, LLC
P.O. Box 428
Ridgefield, WA 98642

Kelley Jorgensen
971-285-6874
kjorgensen@pnfarm.com

Project status

Joint Corps and Ecology public notice issued on Dec. 21, 2015.

Site location

WRIA 27, Ridgefield, Clark County
In portions of Sections 1, 2, 11 and 12, and Donation Land Claim (DLC) 37 of Township 4 North, Range 1 West, Willamette Meridian
33415 N.W. Lancaster Road, Ridgefield, WA

Project size and actions

Acreage: 876 Acres
Site Actions: Re-establish, rehabilitate, enhance, and preserve wetland functions across the site, as well as restore and create riparian habitat and off-channel rearing and refuge habitat, and preserve / enhance other wildlife habitat.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Clark County Developmental Services
Brent Davis
P.O. Box 9810
Vancouver, WA 98666-9810

King County: Keller Farm

Project status

Joint Corps and Ecology public notice issued on July 23, 2015, for the prospectus dated May 21, 2015.

Site location

WRIA 8, Redmond, WA, King County.
Section 1, Township 2N, Range 5E and Section 1, Township 25N, Range 5E.
Located immediately east of Avondale Road N.E. and north of N.E. Union Hill Road.

Project size and actions

Acreage: 91 Acres.
Site Actions: Wetland re-establishment, restoration and enhancement; establishment of off-channel rearing and refuge areas; floodplain re-establishment; and buffers.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

King County: Thom

Project status

Joint Corps and Ecology public notice issued on January 31, 2018, for the Prospectus.

Site location

Water Resources Inventory Area 9, Kent, King County
Sections 10, 11, and 2, Township 22N, Range 4E of the Willamette Meridian
North of S. 212th Street between Orillia Road South and Frager Road South

Project details

Size: 65.67 acres.
Site actions: Wetland rehabilitation, enhancement, and creation.

Pierce County: Port of Tacoma

Project sponsor

Port of Tacoma
P.O. Box 1837
Tacoma, Washington 98401

Mark Rettmann
253-592-6716
mrettmann@portoftacoma.com

Project status

Joint Corps and Ecology public notice issued for the Port of Tacoma Umbrella Bank on Aug. 7, 2014, on the prospectus.
Ecology public notice issued on July 12, 2017, on the MBI.

Site location

Water Resources Inventory Area 10, between the cities of Puyallup and Tacoma, Pierce County.
Sections 13 and 14, Township 20N, Range 3E.
Between River Road East and Pioneer Way East (southeast of Gay Road East where it crosses Clear Creek).

Project size and actions

Acreage: 28 acres.
Site Actions: Re-establish and rehabilitate wetlands, enhance upland habitat, and reconnect clear creek to the floodplain.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Approved banks

Clark County: Columbia River

Project status

Joint Corps and Ecology Public Notice issued on March 23, 2007 with prospectus.
Ecology Public Notice issued on Dec. 4, 2008, with Mitigation Banking Instrument (MBI).
MBI Certification Date: Feb. 26, 2010
- MBI Amended: July 2014
Initial Credit Release: May 2, 2011

Site location

WRIA 28 Vancouver, Clark County
Sections 17 and 20 of Township 2N, Range 1E

Project size and actions

Bank size: 155 Acres
Site Actions: Wetland creation, wetland and floodplain enhancement, and buffers.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

U.S. Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

City of Vancouver Community & Economic Development
Jon Wagner, Senior Planner
360-487-7885
Jon.Wagner@ci.vancouver.wa.us

Clark County Development Services
Brent Davis
360-397-2375 ext 4152
brent.davis@clark.wa.gov

Clark County: East Fork Lewis

Image showing opening of East Fork Lewis Wetland Mitigation Bank; scene from YouTube video.

Video: Year 2 site overview

Project Sponsor

East Fork Lewis Mitigation Partners, LLC
801 E. First St., Suite B 107
Cle Elum, WA 98922
Bank Sponsor's Web Page

Victor Woodward
425-785-8428
victorw@comcast.net

Project status

Joint Corps and Ecology public notice issued on March 23, 2007.
Ecology public notice released Dec. 8, 2010.
Ecology public notice released Feb. 14, 2011.
Mitigation Banking Instrument Certification Date: June 6, 2011.
Initial Credit Release: April 5, 2013.

Site location

WRIA 27, La Center, Clark County
Sections 23, Township 5N, Range 2E

Project size and actions

Acreage: 113 Acres
Site Actions: Wetland re-establishment and enhancement

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Clark County Development Services
Brent Davis
360-397-2375 ext 4152
brent.davis@clark.wa.gov

Clark County: Terrace

Project sponsor

Terrace Mitigation Bank, LLC
9210 NE 62nd Ave.
Vancouver, WA

Cornell Rotschy
360-334-3100
cornellr@rotschyinc.com

Project status

Joint Corps and Ecology Public Notice issued on Nov. 14, 2014, with prospectus.
Ecology Public Notice issued on Nov. 9, 2016, with Mitigation Banking Instrument (MBI).
MBI Certification Date: March 20, 2017
Initial Credit Release: June 1, 2017.

Site location

WRIA 28, Vancouver, Clark County
Sections 13 and 14, Township 2 North, Range 2 East
South of Fourth Plain Rd, between NE 137th Avenue and NE 162nd Avenue

Project size and actions

Acreage: 113 acres
Site Actions: Re-establish, rehabilitate and enhance wetland functions across the site, as well as improve the channel complexity to the portion of Burnt Bridge Creek that flows across the site.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

U.S. Army Corps of Engineers Contact
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

City of Vancouver Community & Economic Development
Jon Wagner, Senior Planner
360-487-7885
Jon.Wagner@ci.vancouver.wa.us

Clark County Development Services
Brent Davis
360-397-2375 ext 4152
brent.davis@clark.wa.gov

Cowlitz County: Coweeman

Image showing opening of Coweeman River Mitigation Bank; image from YouTube video.

Video: Building the Coweeman River Mitigation Bank

Project status

Joint Corps and Ecology public notice issued on Aug. 22, 2013, with prospectus.
Ecology public notice issued on Oct. 14, 2015.
Ecology public notice issued on March 14, 2016.
Mitigation Banking Instrument certification date: May 5, 2016
Initial credit release: June 14, 2016

Site location

WRIA 26, Cowlitz County
Sections 36, Township 8N, Range 2W and Section 31, Township 8N, Range 1W
East of the city of Kelso at the end of Valley View Drive via a private road

Project size and actions

Acreage: 320 acres.
Site Actions: The goal of the Coweeman Bank is to re-establish, create, rehabilitate, enhance, and preserve wetland functions across the site as well as restore and create riparian habitat and off-channel rearing and refuge habitat along this reach of the Coweeman River.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Grant County: Moses Lake Three Ponds

Project status

Mitigation Banking Instrument certification date: June 13, 2003
- Amendment 1: Performance Objective 3 (Russian olive reduction), amended March 3, 2005
- Amendment 2: Performance Objective 6 (Purple Loosestrife coverage), amended Feb. 22, 2007
Initial Credit Release: June 16, 2003

Site location

WRIA 41, Moses Lake, Grant County
Section 23, Township 19N, Range 28E
The project is adjacent to the Pelican Horn arm of Moses Lake

Project size and actions

Acreage: 12.2 acres
Site Actions: Wetland restoration, enhancement, and preservation

Contacts

Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

U.S. Army Corps of Engineers
Sandra Manning
206-764-6911
sandra.l.manning@usace.army.mil

City of Moses Lake
Anne Henning, Senior Planner
Community Development Department
509-766-9235
ahenning@ci.moses-lake.wa.us

Grays Harbor County: Weatherwax (Ocean Shores)

Project status

Joint Corps and Ecology public notice issued on April 20, 2010, with prospectus dated Feb. 23, 2010.
Ecology public notice issued on April 2, 2015, with draft Mitigation Banking Instrument (MBI).
MBI certification date: March 29, 2016.
Initial credit release: Jan. 5, 2017.

Site location

WRIA 22, Ocean Shores, Grays Harbor County
Section 11, Township 17N, Range 12W
South of Ocean Lake Way and Overlake Street

Project size and actions

Acreage: 120 acres
Site Actions: wetland and mature forest preservation

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

King County: Springbrook Creek

Project status

Joint Corps and Ecology public notice issued on March 13, 2006, with prospectus.
The Project received local, state, and federal approval on Aug.22, 2006.
Initial Credit Release: Oct. 10, 2006.

Site location

WRIA 9, City of Renton, King County.
Sections 25, 30, and 36, Township 23N, Ranges 4E and 5E.

Project size and actions

Acreage: 129.37 acres in five units
- Unit A/B: 62.2 acres
- Unit C: 47.7 acres
- Unit D: 4.6 acres
- Unit E: 14.8 acres
Site Actions: Wetland re-establishment, wetland rehabilitation, wetland enhancement, riparian and upland enhancement

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Sandra Manning
206-764-6911
sandra.l.manning@usace.army.mil

City of Renton
Ron Straka
Surface Water Utility Supervisor
425-430-7248
rstraka@rentonwa.gov

City of Renton
Allen Quynn
Surface Water Quality Engineer
425-430-7247
aquynn@rentonwa.gov

Lewis County: Chehalis Basin

Project status

Joint Corps and Ecology public notice issued on Jan. 6, 2011, with Prospectus.
Ecology public notice issued on June 26, 2012, with draft Mitigation Banking Instrument (MBI).
MBI certification date: April 12, 2013.
Initial credit release: December 18, 2013.

Site location

WRIA 23, Lewis County
Sections 23, 25, and 26, Township 15N, Range 2W
West of TCM’s office at 913 Big Hanaford Creek Road; approximately at mile post 3 on Big Hanaford Road

Project size and actions

Acreage: 176.97
Site Actions: Re-establish, rehabilitate and enhance forested, scrub-shrub, and emergent wetlands and associated upland
habitat.

Contacts

WA Department of Ecology
Patricia Johnson
360-407-6140
patricia.johnson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Lewis County: North Fork Newaukum

Project status

Project received local, state, and federal approval on April 7, 2005.

Site location

WRIA 23, Chehalis, Lewis County.
Sections 17 and 20, Township 13N, Range 1W.
Located adjacent to the North Fork and Middle Fork of the Newaukum River, east of the city of Chehalis.

Project size and actions

Acreage: 230.41
Site Actions: Restoration and enhancement of wetlands and riparian areas

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Sandra Manning
206-764-6911
sandra.l.manning@usace.army.mil

Pacific County: Long Beach

Project sponsor

LBMB, Inc.
1157 3rd Ave., Suite 220
Longview, WA 98632

Francis Naglich
360-578-1371
francis@eco-land.com

Project status

Joint Corps and Ecology public notice issued on May 5, 2009.
Ecology public notice issued on Nov. 16, 2012
Mitigation Banking Instrument Certification Date: March 12, 2013
Initial Credit Release: Nov. 18, 2013

Site location

WRIA 24, Long Beach, Pacific County
Section 28, Township 11N, Range 11W
Ocean Beach Highway (SR 103) and 148th Place

Project size and actions

Acreage: 76 Acres
Site Actions: Wetland and mature forest preservation

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Pacific County
Matt Reider
360-642-9382
mreider@co.pacific.wa.us

City of Long Beach
Gayle Borchard
360-642-4421
planner@longbeachwa.gov

Skagit County: Nookachamps

Project status

Joint Corps and Ecology public notice released May 13, 2005, with Prospectus dated March 9, 2005.
Mitigation Banking Instrument Certification Date: April 1, 2009.
Initial Credit Release: Aug. 20, 2009.

Site location

WRIA 3, Mt. Vernon, Skagit County.
Sections 4, 5, 8, and 9, Township 34N, Range 4E.
Cross Streets: Francis Road and Hoag Road.

Project size and actions

Acreage: 310 Acres.
Site Actions: Construct or enhance 85 acres of wetland, enhance 18 acres of riparian forested channel, and create 149 acres of riparian floodplain forest.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Skagit County PDS
Betsy Stevenson, Senior Planner
360-336-9410
betsyds@co.skagit.wa.us

City of Mount Vernon
Jana Hanson, Director of Planning
360-336-6214
Janah@ci.mount-vernon.wa.us

Skagit County: Skagit Environmental

Project status

Joint Corps and Ecology public notice released March 10, 2006.
Joint Corps and Ecology public notice released Jan. 7, 2009.
Ecology public notice released May 21, 2009.
Ecology public notice released June 9, 2010.
Ecology public notice released April 22, 2011.
Project received final federal, local and state approval on July 27, 2011.
Initial Credit Release: Dec. 17, 2013.

Site location

WRIA 3, Mt. Vernon, Skagit County
Sections 10, 11, 15, and 14 of Township 34N, Range 4E
Located 1.5 miles northeast of Mt. Vernon. Swan Road is located to the north and Route 9 to the east of the bank site.

Project size and actions

WRIA 3, Mt. Vernon, Skagit County
Sections 10, 11, 15, and 14 of Township 34N, Range 4E
Located 1.5 miles northeast of Mt. Vernon. Swan Road is located to the north and Route 9 to the east of the bank site.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Skagit County PDS
Betsy Stevenson, Senior Planner
360-336-9410
betsyds@co.skagit.wa.us

Snohomish County: Paine Field

Project status

Mitigation Banking Instrument Certification Date: 1997
Credit Information:
- Initial Credit Release date: Oct. 31, 1998
- Final Credit Release date: April 23, 2008
- Total credits released for project: 30.22 credits
Project entered long term management: April 23, 2008

Site location

WRIA 7, Everett, Snohomish
Sections 10, 11, 14, 15, 22, 23, and 27, Township 28N, Range 4E
6921 Seaway Boulevard, Everett, WA

Project size and actions

Acreage: 59 acres total, constructed on two sites:
- Narbeck: 46.52 acres
- Swanson: 13.40 acres
Site Actions: Create and enhance wetlands, enhance buffers

Contacts

WA Department of Ecology
Yolanda Holder
360-407-7186
yolanda.holder@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Snohomish County PDS
Frank Scherf
425-388-3311
Frank.Scherf@co.snohomish.wa.us

Snohomish County: Skykomish Habitat

Project status

Corps Public Notice released May 2004.
Ecology Public Notice issued on Aug. 31, 2005.
Mitigation Banking Instrument Certification Date: Aug. 24, 2006.
- Amendments: May 17, 2007, July 17, 2008, and Feb. 12, 2009.
Initial Credit Release: Feb. 2, 2007.

Site location

WRIA 7, Monroe, Snohomish County.
Sections 11 and 14, Township 27N, Range 6E.
18016 177th Avenue SE.

Project size and actions

260 Acres in two phases: Phase 1 – 177 acres, Phase 2 – 83 acres.
Site actions:
- Phase 1: Construct or enhance 44 acres of wetland, create or enhance 48 acres of riparian channel, restore 67 acres of wetlands and preserve 18 acres of riparian floodplain and uplands.
- Phase 2: Unknown at this time.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Snohomish County PDS
Randy Middaugh
425-388-3311 x2306
Randy.Middaugh@co.snohomish.wa.us

Snohomish County: Snohomish Basin

Project status

Corps of Engineers Public Notice issued on May 2003 with prospectus.
Ecology Public Notice issued on June 6, 2005.
Mitigation Banking Instrument Certification Date: Aug. 12, 2005.
- Amendment: Oct. 14, 2009.
Initial Credit Release: Jan. 9, 2006.

Site location

WRIA 7, Duvall, Snohomish County.
Sections 35 and 36, Township 27N, Range 6E.
High Bridge Road and Mount Forest Boulevard.

Project size and actions

Acreage: 225 in three phases: Phase 1 – 41 acres; Phase 2 – 115 acres; Phase 3 – 69 acres.
Site Actions:
- Phase 1: Re-establish wetlands on 15 acres, rehabilitate wetlands on 4 acres, and create 15 acres of floodplain upland buffer.
- Phase 2: Re-establish wetlands on 79 acres; rehabilitate wetlands on 19 acres, and create 12 acres of floodplain upland buffer.
- Phase 3: Re-establish wetlands on 37 acres; rehabilitate wetlands on 5 acres, and create 16 acres of floodplain upland buffer.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Snohomish County PDS
Randy Middaugh
425-388-3311 x2306
Randy.Middaugh@co.snohomish.wa.us

Stevens County: Meadowcroft

Project status

Ecology Public Notice issued on Feb. 3, 2005, with Mitigation Banking Instrument.
Project received local and state approval on July 25, 2005.
Initial Credit Release: July 25, 2005.

Site location

WRIAs 54, 55, and 56, Stevens County.
Section 10, Township 29N, Range 41E.
Near Loon Lake in southern Stevens County.

Project size and actions

Acreage: 13.66 Acres.
Site Actions: Wetland restoration.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

Whatcom County: Lummi

Project status

Joint Corps and EPA public notice released Dec. 15, 2008.
Mitigation Banking Instrument signed by the Corps and EPA July 6, 2012.
Initial credit release Oct. 18, 2012.

Site location

WRIA 1, Lummi Reservation, Whatcom County

Project size and actions

Acreage: 1,945
Site Actions: The bank is comprised of three separate sites: The Nooksack Delta Site, the Blockhouse Site, and the Lummi Delta Site. The total mitigation bank area is approximately 1,945 acres. The bank will be developed in four phases. Phase 1A aims to enhance about 380 acres of riparian wetlands by planting conifers in a deciduous riparian floodplain forest, planting willows and controlling invasive plant species. In addition to the enhancement activities, the conservation easement will protect a total of 842 acres.

Contacts

WA Department of Ecology
Kate Thompson
360-407-6749
kate.thompson@ecy.wa.gov

US Army Corps of Engineers
Suzanne Anderson
206-764-3708
suzanne.l.anderson@usace.army.mil

Contact information

Wetland mitigation banking staff