NBMA - Member Agencies

Member Agencies

Aberdeen

Alderwood Water District

Anacortes

Arlington
The City of Arlington serves 15,000+ people and operates an aerated static pile compost facility producing 750 dry tons or 4250 yards of Class A EQ compost. A Class B lime stabilized biosolid for land application is also produced.

Asotin

Bainbridge Island

Bellingham

Bingen
The City of Bingen is located on the Columbia River, 60 miles east of Vancouver, Washington, and is the heart of windsurfing. A new treatment plant serves approximately 3,000 people from the cities of Bingen and White Salmon, Washington. The treatment plant consists of oxidation ditches, aerobic digesters, a biosolids centrifuge (Sherples), and U.V. Biosolids are applied to hayfields.

Birch Bay Water & Sewer District #8

Blaine

Bremerton
Bremerton's forest application program has been in operation since 1989. From 1992 to present, 100% of the annual biosolids production (approximately 650 dry tons) is utilized on city-owned forest lands. Bremerton's WWTP serves approximately 35,000 customers.

Brewster

Bridgeport
The City of Bridgeport is located along the Columbia River downstream from Chief Joseph Dam. Its treatment facilities serve a population of approximately 2000 and produce 27 dry tons per year of biosolids. The biosolids are dewatered, then air dried, producing a Class B product that is then applied to wheat fields.

Buckley

Burlington

Camas

Castle Rock

Centralia
The City of Centralia, Washington, is located along the Interstate-5 corridor, halfway between Seattle, Washington, and Portland, Oregon, and is in the center of the Chehalis River Valley. The Centralia WWTP is an activated sludge plant that uses lime pasteurization to produce Class A biosolids. cityutil@localaccess.com

Chehalis
The City of Chehalis, Washington, is located on Interstate 5, halfway between Seattle, Washington, and Portland, Oregon. The wastewater treatment plant serves a population of approximately 7,500 in the cities of Chehalis and Napavine and a portion of unincorporated Lewis County. Two-stage anaerobic sludge digestion and covered drying beds enable the facility to produce approximately 100 dry metric tons of Class A biosolids annually. The biosolids are land applied by local landowners for beneficial reuse.

Chelan

Cheney

Clark County Public Works
The Salmon Creek Treatment Plant is located in the Felida area of Clark County, Washington, about five miles northwest of Vancouver. We operate an 11.3 MGD activiated sludge facility producing about 650 dry metric tons of Class B biosolids annually. Biosolids are land applied with a side-slinger for silage crop utilization.
http://www.co.clark.wa.us/

Clarkston

College Place

Coulee Dam

Coupeville

Dayton

Douglas County Sewer District #1

Duvall

Eastsound Sewer & Water District
eastsoundsewer@rockisland.com

Ellensburg

Enumclaw
Enumclaw is located in Western Washington along Highway 410 at the foot of Mount Rainier. It serves a population of approximately 11,000 and produces 168 dry metric tons of biosolids per year. Land application of a Class B product is Enumclaw's primary beneficial use of biosolids. Enumclaw is an original member of the Northwest Biosolids Management Association. 1979 RBC treatment currently under construction to switch to extended air activated sludge.

Everett

Everson

Ferndale

Forks

Friday Harbor

Gig Harbor

Grand Coulee

Grandview

Granite Falls

Hoquiam

Island County
Located on the largest island in the continental U.S. about 1.5hrs north of Seattle by ferry or bridge, Island County's unique Whidbey Island Septage Treatment facility at Coupeville receives residential septage from some 20,000 households from UN-incorporated areas plus partially treated biosolids from local WWTPs. This aerobic treatment facility is one of the only of its kind in the US. The plant processes septage to a Class B biosolids for beneficial use on forest and mixed grass hay crops on DOE-permitted application sites.
daveb@co.island.wa.us

Kalama

Kennewick
The City of Kennewick is located in Southeast Washington State near the confluence of the Snake and Columbia Rivers and the Horse Heaven Hills. Treatment facilities serve an equivalent population of 52,500 people and produce about 525 dry tons of biosolids annually. Land application of biosolids produced by facultative anaerobic lagoon treatment was last undertaken in 1991.
michael-smith@ci.kennewick.wa.us

King County Dept. of Natural Resources & Parks
King County Department of Natural Resources and Parks (DNRP) provides wastewater treatment for about 1.4 million people in the greater Seattle metropolitan area. Average flows are 180 million gallons per day, generating about 110,000 wet tons of Class B biosolids (27,500 dry tons) annually. King County biosolids are recycled on dryland wheat, and other agricultural crops in Douglas and Yakima counties, as well as on public and private forestlands in King County. A portion of the county's biosolids are used by GroCo, Inc. to make a Class A compost that is marketed to landscapers and the general public.
http://www.kingcounty.gov/biosolids/
roberta.king@kingcounty.gov
peggy.leonard@kingcounty.gov

Kitsap County Public Works
Kitsap County Public Works owns and operates treatment facilities in central Kitsap, Suquamish, Kingston and the Manchester. All biosolids are processed at our central plant using anaerobic digestion followed by polymer and centrifuge. About 1000 dry tons of Class B biosolids are land applied or composted yearly.
jgardner@co.kitsap.wa.us

La Conner

Lakehaven Utility District
The Lakehaven Utility District, located between Seattle and Tacoma, Washington, operates the Lakota and Redondo wastewater treatment facilities, providing sewer service to the City of Federal Way's population of 100,000. The combined annual biosolids production of 800 dry tons is trucked to Northwest Cascade in Puyallup, Washington, where a Class A compost is produced and made available to residents of Federal Way through a district delivery program.

Langley

Leavenworth

Liberty Lake Sewer District

LOTT Alliance
The Lott Alliance is a partnership of the cities of Lacey, Olympia, and Tumwater, and Thurston County in Washington State, and is the regional watewater management agency for the area. We serve a population of over 90,000 people, and treat an annual average of 11 million gallons of wastewater per day. LOTT's biosolids management process includes dissolved air flotation sludge thickening, anaerobic mesophilic Class B biosolids per year, which is land-applied in Lewis County.
http://www.lottonline.org

Lynden
The City of Lynden is located in northern Whatcom County, near the Canadian border.Treatment facilities serve a population of approximately 9,900 and produce 600 dry tons of biosolids annually. Biosolids are composted to produce a Class A product that is made available to residents of Lynden and sold to local nurseries. The completion of a recent plant upgrade included the construction of two aerobic digesters to produce a Class B product for recycling on soil improvement projects.
eleyj@lyndenwa.org

Mabton

Marysville
www.marysvillewa.gov

Midway Sewer District
Midway Sewer District operates a wastewater treatment facility rated at 9 MGD that serves portions of Des Moines, SeaTac, Kent, Federal Way, Normandy Park, Burien and the POS SeaTac airport.
www.midwaysewer.org

Monroe

Mount Rainier National Park

Mount Vernon
The City of Mount Vernon is located in the lower Skagit River valley. Its treatment facilities serve a population of 30,000 and produce 495 dry tons per year of biosolids. The plant is activated sludge utilizing an anoxic cell and anaerobic digestion. Biosolids are belt pressed and sent to Boulder Park Inc. Soil Improvement Project in Douglas County. The product is Class B, using 40 CFR Part 503 pathogen criteria. In October 2009, Mount Vernon completed a $38.5 million upgrade of the wwtp which included UV disinfection and increased the peak hour design flow from 12 MGD to 22 MGD.
http://www.mount-vernon.wa.us/
billf@ci.mount-vernon.wa.us

Mukilteo Water District

Newport

North Bend

Oak Harbor
The City of Oak Harbor is located on Whidbey Island in the heart of Puget Sound. The two facilities serve both Oak Harbor and NAS Whidbey, a population equivalent of 23,000. Biosolids are stored in an anaerobic cell ahead of a large aerated lagoon. We're currently in the design phase of building a new plant and hope to incorporate beneficial reuse of our biosolids.
oakharbr@whidbey.net

Okanogan

Olympic View Water & Sewer District

Olympus Terrace Sewer District

Omak
WWTP and compost facility

Pacific Beach Sewer District

Pasco

Pateros

Pierce County Public Works & Utilities
Pierce County, Washington, operates the Chambers Creek Regional Wastewater Treatment Plant, an 18 million gallon per day activated sludge plant with biological nutrient removal. The plant serves a population of 162,000 in areas south and east of Tacoma. Its 1400 dry tons of Class B biosolids are applied to agricultural land, but a facility is being built that will produce Class A biosolids compost that will be utilized to reclaim a 640 acre gravel mine.
Website
rlowe@co.pierce.wa.us

Pomeroy

Port Angeles

Port Townsend
The City of Port Townsend is located on the beautiful Olympic Peninsula in Washington State. Its treatment facilities serve a population of 8100 and produce approximately 130 dry tons per year of biosolids. The City operates its own composting facility and uses the aerated static pile process incorporating biosolids, septage and yard waste to produce a Class A compost. The compost demand exceeds the City's supply.
http://www.ci.port-townsend.wa.us/
jmerchant@ci.port-townsend.wa.us

Prosser

Pullman
The City of Pullman, Washington is located on the far eastern side of the state in an agricultural region called the Palouse. It is the home of Washington State University. Its treatment facilities serve a population of approximately 27,000 (which includes the University) and produce 734 dry tons of anaerobically digested Class B biosolids per year (flow average 2.86 mgd). All biosolids are currently land applied to farmland used to grow wheat, peas and barley.

Puyallup
The City of Puyallup, Washington, is located in a valley between Seattle and Tacoma. Puyallup's treatment facility serves a population of 25,000 and produces 250 dry tons per year of biosolids. Puyallup is the home of the sixth largest fair in the United States, which has over 1.5 million visitors per year.
puywpcp@frugal.com

Raymond

Richland
The Richland wastewater plant is a complete mix, activated sludge secondary treatment facility treating approximately 6.5 MGD. Solids treatment consists of 2 anaerobic digesters, 2 belt-presses, and land reclamation use of approximately 800 dry tons/ year of Class B biosolids.
rcarlson@ci.richland.wa.us

Ritzville

Sedro-Woolley
The City of Sedro-Woolley is located in Skagit County, Washington, five miles east of Interstate-5, between Seattle and the Canadian border. The wastewater treatment plant serves a population of approximately 10,000 and produces 155 dry tons of Class B biosolids per year. Biosolids are aerobically digested, dewatered using a belt filter press and land applied to dryland wheat fields in Eastern Washington and local pasture fields.

Selah

Sequim
http://www.ci.sequim.wa.us/

Shelton

Skagit County Sewer District #2

Snohomish

Snoqualmie Pass Sewer District

South Bend

South Prairie

Southwest Suburban

Spokane
The City of Spokane is located in central eastern Washington, next to the Idaho border. Its treatment facilities serve a population of 215,000 and produce approximately 7,000 dry tons of biosolids per year. The Class B biosolids are dewatered with belt filter presses and land applied to farms within 25 miles of the treatment facility. The current demand for Spokane's biosolids exceeds the supply.
sawwtp@on-ramp.ior.com

Spokane County
Spokane County is currently in the process of planning a new water reclamation facility to serve 35,000 customers. After start-up in 2011, it should produce about 500 dry tons of biosolids per year.
http://www.spokanecounty.org/utilities

St. John

Stevens Pass Sewer District
Group III, tertiary, extended aeration.

Sultan

Sumas

Sumner

Sunland Water District

Sunnyside

Tacoma
The City of Tacoma's Central Wastewater Plant is a 38 million gallon per day high purity oxygen secondary treatment plant that uses the dual digestion process to produce an Exceptional Quality Class A biosolids. Tacoma makes several products from this process, one of which is Tagro Mix. Fifty percent of Tacoma's biosolids (2000 dry tons per year) goes into Tagro Mix, which is used throughout the city.
http://www.cityoftacoma.org/
http://www.tagro.com/
dthompso@cityoftacoma.org

Three Rivers Regional Wastewater Treatment Plant (fomerly Cowlitz Water Pollution Control)
Three Rivers Regional Wastewater Authority produces Class A biosolids using a proprietary lime pasteurization process. The biosolids are beneficially reused as an agricultural land application product. Duane Leaf, leaf@cowlitz-wpc.org

Thurston County Water & Waste Management

Vancouver
City of Vancouver providing full service water supply and distribution/ wastewater collection and treatment at two secondary treatment plants with activated sludge, UV disinfection, incineration of residual solids.
http://www.ci.vancouver.wa.us/

Walla Walla

Warden

Washington Correction Center

Washougal
The City of Washougal is located on the north shore of the Columbia River at the west end of the Columbia Gorge Scenic Area. Washougal's treatment facility serves a population of 7188 and produces 200 dry tons per year of biosolids. Approximately 170 dry tons per year are applied to agricultural land near the treatment plant.

West Sound Utility District (formerly Karcher Creek)
Water and Wastewater utility with MBR, anaerobic digestion

Winlock

Woodland

Yakima
The City of Yakima is located just east of the Cascade Mountains in Central Washington. Its treatment facilities serve over 60,000 residents and produce approximately 1,500 dry tons of Class B biosolids per year. Composting trials have been conducted using open windrow and containerized processes. The demand for the City of Yakima's Class B biosolids currently meets its production.
yakww@televar.com

Yakima County Public Works

Zillah

Alaska
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Golden Heart Utilities, Inc.
Golden Heart Utilities provides sewer and water service to the City of Fairbanks and surrounding area. The 8 MGD activated sludge plant produces approximately 1,600 dry tons of Class A EQ biosolids per year mixed with wood chips and composted. The finished product is screened and sold to the public.

Idaho
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Boise
The City of Boise's wastewater treatment facilities serve a population of approximately 220,000. Current production rates are 3000 to 4000 dry tons per year of biosolids. The City of Boise owns and operates a 4000 acre farm where Class B biosolids are benefically reused to grow forage and small grain crops. The City's wastewater treatment plants utilize conventional and secondary treatment processes. Sludge produced in the process is stabilized by anaerobic digestion, dewatered and delivered to the farm by truck.
bkresge@pobox.ci.boise.id.us

Couer D'Alene
Successful single source bulking agent/biosolids facility since 1988. Wholesale manufacturer of Registered Trademark Couer d'Green Compost.

Grangeville
The City of Grangeville, Idaho, is located on the Camas Prairie, near the Bitterroot Mountains of North Central Idaho. Grangeville's treatment facilities serve a population of 3200 and produce 47 dry tons per year of biosolids. Fifty percent is composted with yard waste for a Class A product while 50 percent is Class B and land applied to hay ground.
http://www.w-ww.com/plants/usa/idaho/grangeville/
hipitybob@camasnet.com or selfish@camasnet.com

Lewiston

Meridian

Nampa

Pocatello
The City of Pocatello, Idaho, is located in the southeastern part of the state. Pocatello's Water Pollution Control Department serves a population of 65,000 and is committed to the recycling and reuse of our natural resources through innovative projects that reclaim water and wastewater contaminants. Examples are utilization of biosolids for agricultural soil enhancement and fertilization on City-owned lands, the cogeneration and production of electricity from methane gas and the irrigation of agricultural crops with reclaimed wastewater.
http://www.pocatello.us/
bhokanson@pocatello.us

Sandpoint

Twin Falls

Oregon
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Albany
The City of Albany has a population of 45,000, and is located in the Willamette Valley approximately 70 miles south of Portland. Albany owns and operates a wastewater treatment plant treating about 6.5 million gallons per day dry weather flow, discharging secondary treated effluent to the Willamette River. Biosolids cake is produced using belt filter presses, and approximately 675 dry tons of Class B biosolids are applied to mainly grass seed fields during dry weather months. The City of Albany has been an active participant in the National Biosolids Partnership's Environmental Management System (EMS) program for biosolids. In May, 2006, the City became certified by the National Biosolids Partnership for their EMS for biosolids and continues to adhere to the Partnership's commitment to “continual improvement” for biosolids management.
http://www.cityofalbany.net/biosolids

Ashland

Clackamas County Water Environment Services
Water Environment Services is a Department of Clackamas County. Our organization consists of four NPDES permitted WWTPs (Kellogg, Tri-City, Hoodland & Boring). Kellogg and Tri-City have an average flow of 8,000,000 MGD and are secondary treatment with anaerobic digestion. The Kellogg plant has a 12,000,000-Gallon Liquid Biosolids Program annually and the Tri-City plant has a Cake Biosolids Program consisting of about 1200 dry tons annually. The Hoodland treatment plant is a secondary treatment plant with aerobic digestion and produces about 400,000 gallons of liquid annually. The Wastewater Treatment Facility in Boring has a 0.021 MGD flow and consists of a Primary and Secondary Lagoon and Sand Filters. We also have a WPCF permitted Service District that serves 26 single family residences and consist of three Septic Tanks and a Large Sand Filter.

Clean Water Services of Washington County
Clean Water Services is the sanitary sewer utility for 12 cities in the urban portions of the Tualatin River Basin in Washington County, Oregon. USA operates four wastewater treatment facilities serving 380,000 residents. USA's facilities produce 25 dry tons of biosolids a day. Nearly 85 percent of the biosolids are applied to arid lands in eastern Oregon and nine percent are recycled onto local agricultural sites. The balance is composted and sold as a Class A product for landscaping and home gardening.

Eugene
The Metropolitan Wastewater Management Commission (MWMC) provides wastewater services to Eugene, Springfield and Lane County. In accordance with an inter-governmental agreement, the MWMC contracts with Eugene and Springfield to provide administration and operation of the regional facilities, while the City of Springfield provides the administrative support to the Regional Wastewater Program. The regional system includes the 49 mgd Water Pollution Control Facility, Biosolids Management Facility (BMF), Biocycle Farm, Seasonal Industrial Waste Facility (SIW), interceptor lines, force mains, and pump stations. The 154-acre Biosolids Management Facility processes and recycles over 5,000 dry tons of biosolids each year. Biocycle Farm is a 596-acre hybrid poplar plantation that will help recycle biosolids and reclaimed water. The 250-acre SIW is an active farming operation that is being converted to utilize reclaimed water for crop irrigation. The MWMC also operates a state required Industrial Pretreatment Program to work with commercial/industrial users to control industry wastewater entering the system.

Gresham
The City of Gresham wastewater services division serves a population of 110,000 people in the cities of Gresham, Fairview and Wood Village. The biosolids program consists of land application of dewatered biosolids to agricultural land.
http://www.greshamoregon.gov

Hermiston
The City of Hermiston is located in Northeast Oregon and serves a population of 15,400. We produce approximately 75 dry tons of biosolids a year, which is applied to agricultural land.

Hood River
Received the U.S. Environmental Protection Agency's 2002 Biosolids Exemplary Management Award, taking national First Place for small operating plant.

Juniper Utility Company

Lincoln City

Madras
The City of Madras is located in beautiful central Oregon. The treatment facility serves a population of 5,500. The City produces 5.8 dry tons per year of biosolids which is spread on City-owned farmland.
kbedell@mail.bendnet.com

McMinnville
The Water Reclamation Facility for the City of McMinnville, Oregon, is a state-of-the-art facility serving a community of 22,000. Class A biosolids are processed with Autothermal Thermophilic Aerobic Digesters and applied to surrounding agricultural lands in a liquid form. The city is located in the Willamette Valley and discharges treated effluent to the South Yamhill River.

North Bend
The City of North Bend is located on the southern Oregon coast. The facility consists of a 2 mgd activated sludge plant, aerobic digestion and facultative sludge lagoon. Biosolids are applied to forest land and graze land.

Oak Lodge Sanitary District

Pacific City Sanitary District

Pendleton

Portland
The City of Portland is located at the confluence of the Columbia and Willamette Rivers in northwestern Oregon approximately 60 miles east of the Pacific Ocean. Two wastewater treatment facilities are operated within Portland's 95,000-acre service boundary. They receive flow from a population equivalent of approximately 500,000. Portland's treatment facilities generate about 20,000 dry tons of biosolids (approximately 42 percent of the biosolids produced in Oregon) annually. Roughly 85 percent of the biosolids (17,000 dry tons) generated yearly are beneficially land applied on rangeland in northeastern Oregon as a dewatered Class B cake and 15 percent (3,000 dry tons) of the biosolids are processed through a large within-vessel composting system, producing a Class A product which is marketed in the Portland metropolitan area. Demand for the City's Class A and B biosolids products exceeds production levels.

Redmond

Riddle
The City of Riddle is a small mill town located in Douglas County, Oregon. Plant staff are actively engaged in developing a program for utilization of biosolids on Bureau of Land Management and Forest Service lands from all county-wide treatment plants. Past and future biosolids projects include mine reclamation, with current efforts directed at Glenbrook Nickel, the country's only operating nickel mine.

Salem
The City of Salem Oregon has owned and operated the Willow Lake Water Pollution Control Facility (WLWPCF) since it was constructed in 1963. The wastewater treatment facility's anaerobic digesters produce Class B biosolids. The Biogro Program has managed the biosolids beneficial reuse program for more than 35 years. Currently, the Biogro Program manages and operates municipal staff and equipment, oversees reporting and documentation requirements, as well as numerous transport and application service contracts. Presently, Biogro utilizes local, privately owned application sites for spring and summer application of cake and liquid biosolids products. During the winter, biosolids cake is transported to Madison Ranch, near Hermiston, Oregon for reuse on pasture land leased by the City of Salem. In 2004, the Biogro Program's Annual Report to the Dept. of Env. Quality (DEQ) reported all biosolids produced were appled on beneficial reuse sites. The facility produced 3,643 dry tons and appled to 1,696 acres.
http://www.cityofsalem.net

Stayton

Toledo

Umatilla

Wilsonville

Winston

Woodburn
www.woodburn-or.gov

British Columbia
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City of Abbotsford
The City of Abbotsford operates the Joint Abbotsford - Mission Environmental System (J.A.M.E.S.) Water Pollution Control Centre. The secondary wastewater treatment plant produces approximately 8000 wet tonne per year of a Class A dewatered biosolids product. Biosolids produced by the J.A.M.E.S. Centre is used in mine reclamation, the fertilization of two poplar stands, and soil production (Val-E-Gro™) for distribution in wholesale bulk, local retail or other markets. Program diversification is paramount in the City of Abbotsford's biosolids management plan. The development of biosolids based products (topsoil) has been the primary focus for reducing program costs and increasing program diversification. Efforts to develop a biosolids based soil have been ongoing since the late 1990's. Other biosolids based products are being developed and industry tested.
http://www.val-e-gro.com

Capital Regional District

Metro Vancouver (formerly Greater Vancouver Regional District)
Metro Vancouver operates five wastewater treatment facilities serving a population of 2 million in the greater Vancouver metropolitan area of British Columbia. The treatment facilities generate approximately 70,000 wet tonnes of biosolids annually. These biosolids, along with all other utility residuals generated in the region, are managed by the Residuals Management Division. Currently the majority of biosolids are used in nutrient recovery projects throughout BC in mine and landfill reclamation and to create high-quality commercial landscaping soil. A small portion of the region's biosolids are land-dried at the wastewater treatment facilities for use in future projects. Metro Vancouver constantly strives to achieve highest and best uses of biosolids, with continual improvement and diversification of management options being the key focus.
http://www.metrovancouver.org/
tania.gheseger@metrovancouver.org

Kelowna
The City of Kelowna operates a regional biosolids composting facility that annually composts 6000 dry tonnes of biosolids from 3 local municipalities. Ogogrow is a highly sought after compost widely used throughout the Okanagon for landscaping, gardening and golf course construction and maintenance. 40,000 yards of finisehd product were sold into the local retail and wholesale market in 2009.
mbrowne@kelowna.ca

Regional District of Nanaimo

Resort Municipality of Whistler