49er Water Laboratory
Jackson, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsWashington directory
Washington water testing laboratories
These listings are from the official Washington certification list in this database snapshot. Washington certification means the laboratory appears on that official list; a laboratory may be physically located outside Washington. Certification does not confirm mail-in or residential service. Ask the lab before collecting a sample.
Labs for home testing: 113 · Plant and utility: 4
Choosing a test?
Decide what to ask for before you filter this list. Certification alone does not confirm that a lab accepts household samples.
Labs for home testing (113)
Most listings do not confirm household service. Confirm with the lab before you collect a sample.
Accurate Testing Labs L.L.C.
Coeur d'Alene, ID
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsACZ Laboratories, Inc.
Steamboat Springs, CO
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAdvanced Environmental Laboratories, Inc.-Jacksonville
Jacksonville, FL
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAg Health Laboratories, Inc.
Sunnyside, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAlliance Technical Group, LLC-Akron
Cuyahoga Falls, OH
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAlliance Technical Group, LLC-Seattle
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsALS Environmental - Burlington
Burlington, ON
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsALS Environmental - Cincinnati
Cincinnati, OH
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsALS Environmental - Kelso
Kelso, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsALS Environmental - Middletown
Middletown, PA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsALS Group USA, Corp
Houston, TX
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAmerican Water Central Laboratory
Belleville, IL
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAmeriSci Richmond
Midlothian, VA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAmTest Laboratories
Renton, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnalytical Resources, LLC
Tukwila, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnalytical Services, Inc
Williston, VT
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnatek Labs, Inc - Moscow
Moscow, ID
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnatek Labs, Inc - Spokane
Spokane, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnatek Labs, Inc - Wenatchee
Wenatchee, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAnatek Labs, Inc. - Yakima
Yakima, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsApex Laboratories, LLC
Tigard, OR
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAqua Test, Incorporated
Maple Valley, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsAV Labs, Inc
Othello, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBattelle Analytical Chemistry Services Laboratory
Norwell, MA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBenton-Franklin Health District Lab
Kennewick, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBoeing Everett QA Lab
Everett, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBoeing Seattle Fluids and Lubricants Laboratory
Seattle S, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBrooks Applied Labs, LLC
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBSK Associates
Fresno, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBSK Associates - Vancouver
Vancouver, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsBureau Veritas Canada (2019) Inc.
Mississauga, ON
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsCape Fear Analytical, LLC
Wilmington, NC
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsCedar Water Treatment - Jacobs
Renton, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsCeres Analytical Laboratory, Inc.
El Dorado Hills, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsChehalis Tribal Water Quality Laboratory
Oakville, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsCity of The Dalles Water Quality Lab
The Dalles, OR
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsClallam County Environmental Laboratory
Port Angeles, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsColumbia Laboratories, Inc.
Portland phone), OR
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsColville National Forest Water Lab
Colville, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsColville Wastewater Laboratory
Colville, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsContinental Water Laboratory
Sacramento nto, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEMSL Analytical, Inc. - Cinnaminson
Cinnaminson, NJ
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEMSL Analytical, Inc. - Indianapolis
Indianapolis, IN
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEMSL Analytical, Inc. - San Leandro
San Leandro, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEnergy Laboratories, Inc. - Salt Creek
Casper, WY
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEnergy Laboratories, Inc.-Billings, Mt
Billings, MT
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEnergy Northwest Environmental Services Lab
Richland, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEnergy NW Environmental (PPL) Lab
Richland, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins Built Environment Testing East - Cary
Cary, NC
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins DW and WW West, Washington Laboratory
Burlington, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins EPK Built Environment Testing, LLC
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins Pomona
Pomona, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins Seattle
Tacoma, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins South Bend
South Bend, IN
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins Spokane
Spokane Valley, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins St. Louis
Earth City, MO
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEurofins TestAmerica Denver
Arvada, CO
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsEverett Environmental Laboratory
Everett, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsExact Scientific Services, Inc.
Ferndale, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsFriedman & Bruya, Inc.
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsGEL Laboratories, LLC
Charleston, SC
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsGrays Harbor County Water Testing Lab
Montesano, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsIEH Analytical Laboratories
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsKing County Environmental Laboratory
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsKlickitat County Goldendale Lab
Goldendale, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsKlickitat County White Salmon Lab
White Salmon, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsLabTest
Yakima, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsLewis County Environmental Health Laboratory
Chehalis, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsLincoln County Environmental Health Lab
Davenport, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsManchester Environmental Lab
Port Orchard, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMatrix Sciences International Inc. dba KTL
Pasco, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMCL Food Testing
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMonroe Water Quality Laboratory
Monroe, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMoses Lake Dunes Wastewater Laboratory
Moses Lake, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMukang Labs, Inc.
Pasco, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMukilteo Water and Wastewater District
Mukilteo, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsNVL Laboratories, Inc
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsOkanogan County Public Health Laboratory
Okanogan, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsOlympic Analytical LLC dba Vanguard Laboratory
Olympia, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsOnSite Environmental, Inc.
Redmond, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsOnterris Laboratories, LLC - El Dorado Hills
El Dorado Hills, CA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsOnterris Laboratories, LLC - Wilmington
Wilmington, NC
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPace Analytical Services, LLC - Mansfield, MA (320
Mansfield, MA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPace Analytical Services, LLC - Minneapolis MN
Minneapolis, MN
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPace Analytical Services, LLC-Ormond Beach FL
Ormond Beach, FL
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPacific County DCD WQ Laboratory
South Bend, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPrecision Analytical Laboratories, LLC
Everett, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsQuincy-Columbia Basin Irrigation District
Quincy, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsRJ Lee Group, Inc. - PA
Monroeville, PA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsRJ Lee Group, Inc. Columbia Basin Analytical
Pasco Laboratories, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsRose City Laboratories, LLC
Portland, OR
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSeattle Public Utilities Water Quality Lab
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSeattle-King Co Dept of Public Health Lab
Seattle, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSelkirk Regional Environmental Lab
Ione, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSGS - Orlando
Orlando, FL
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSGS North America Inc-Dayton
Dayton, NJ
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSGS North America Inc.
Wilmington, NC
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSGS North America, Inc.-Wheat Ridge
Wheat Ridge, CO
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSkagit PUD No 1 Laboratory
Sedro Woolley, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSoiltest Farm Consultants, Inc. Laboratory
Moses Lake, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSpecialty Analytical
Clackamas, OR
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSpectra Laboratories - Kitsap, LLC
Poulsbo, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsSVL Analytical, Incorporated
Kellogg, ID
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsThurston County Health Department Laboratory
Olympia, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsTransAlta Centralia Generation Lab
Centralia, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsTshimakain Creek Laboratories
Spokane Valley, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsUniversity of Washington Tacoma at Center for Urban
Tacoma Waters, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsUS Army Madigan Environmental Health Services
Tacoma, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsWA State Public Health Laboratories, Office of
Shoreline, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsWalla Walla Regional Water Testing Services
College Place, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsWater Management Laboratories, Inc.
Tacoma, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsWenatchee Drinking Water Lab
Wenatchee, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsPlant and utility (4)
Bellingham Water Filtration Plant Lab
Bellingham, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsGranger Wastewater Treatment Plant Laboratory
Granger, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsLynden Water Treatment Plant Laboratory
Lynden, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsMill Creek Water Treatment Plant Laboratory
Walla Walla, WA
Sample intake unknown — confirm with lab
Residential service unknown — confirm with lab
View laboratory detailsNo laboratories match those filters. Try another test type or city.
Official reference: EPA certified laboratory contacts. County health / Extension may offer cheap or free well tests.