84 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Drinking water testing. Common methods used to test Drinking water in United States: EPA 200.7, EPA 300.0, EN ISO 17294-2/EPA Method 200.8. Most frequently tested analytes in this matrix in United States: Per- And Polyfluoroalkyl Substances (Pfas), Density, Metals. Accredited providers include Colorado Engineering Experiment Station,, Advanced Technology Services - Caterpillar Technical Center, Microbac Laboratories, INC. - Knoxville Division, Perritt Laboratories, Analytical Food Laboratories, Inc.. Sites located in Houston, TX, Nunn, CO, Tech Center TCL Chillicothe, IL, Maryville, TN, Hightstown, NJ.
Nunn, CO, US
(A2LA Cert. No. 5717.01) 10/29/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO 17025:2017 & ANSI/NCSL Z540-1-1994 COLORADO ENGINEERING EXPERIMENT STATION, INC. 54043 County Rd 37 Nunn, CO 80648 John Reiner Phone: 97
Tech Center TCL Chillicothe, IL, US
(A2LA Cert. No. 1592.05) Revised 11/03/2025 Page 11 of 21 Parameter/Equipment Range CMC2, 4, 8 (±) Comments Volume Liquid Flow – Measuring Equipment (Oil Fluids)
Maryville, TN, US
(A2LA Cert. No. 18.05) Revised 11/14/2025 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 MICROBAC LABORATORIES, INC. – KNOXVILLE DIVISION 505 East Broadway Ave. Maryville, TN 37804 Sarah Muellenbach
Hightstown, NJ, US
(A2LA Cert. No. 2588.01) 01/09/2026 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 PERRITT LABORATORIES 145 S. Main Street Hightstown, NJ 08520 Mr. Scott Perrit
Grand Prairie, TX, US
(A2LA Cert. No. 2088.01) REVISED 06/16/2025 Page 3 of 3 Test Method Test Method(s) L. monocytogenes (VIDAS) AOAC 2004.02 Listeri
Hillsdale, MI, US
(A2LA Cert. No. 2745.01) 11/21/2024 Page 4 of 9 Test Type / Test Capabilities Test Method(s) Chemical Resistance Continued Fuel/Solvent Gas Diesel E85 Ethanol Biodiesel MEK Xylene ASTM D5402; Ford BO 101
Bay City, MI, US
(A2LA Cert. No. 5729.02) Revised 09/02/2025 Page 2 of 6 Test(s)/Technology(ies) Test Method(s) Matrix(ices) Fipronil Flonicamid Fludioxonil Hexythiazox Imazalil Imidacloprid Kresoxim-methyl Malathion Metalaxyl Methiocarb Me
Sun City Center, FL, US
(A2LA Cert. No. 6786.01) Revised 06/10/2025 Page 11 of 13 Test(s) and Technology Test Method(s) Range and Detection Limit Matrices Residual Solvents by GCMS (cont): Hexane Isopropyl Acetate Isopropy
Atlanta, GA, US
(A2LA Cert. No. 2520.03) 10/01/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ANALYTICAL SERVICES LABORATORY – AMERICAS (ASL) The Coca-Cola Company Inc. 1 Coca-Co
Houston, TX, US
(A2LA Cert. No. 2852.02) 05/13/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ALL-TERRA ENGINEERING, INC. 6200 Rothway St. Suite 140 Houston, TX 77040 Haddis Tewolde P.E. Phone: 713 574 2
Fremont, CA, US
(A2LA Cert. No 1439.01) 07/24/2024 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BALAZS NANOANALYSIS Air Liquide Electronics US LP 46409 Landing Parkway Fremont, CA 94538 Tiffany Wil
Syracuse, NY, US
( A2LA Cert. No. 3497.01) 09/10/2025 Page 1 of 1 SC OPE OF ACCREDITATION TO ISO/IEC 17025:2017 P ACKAGING CONSULTANTS INTERNATIONAL 1101 State Fair Boulevard Syracuse, NY 13209 Melissa Rice Phone: 315-468-6234 B
Kralendijk, US
(A2LA Cert. No. 5782.02) 11/15/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BONAIRE LABORA
Elizabeth City, NC, US
(A2LA Cert. No. 4916.01) 04/18/2024 Page 2 of 3 Parameter/Equipment Range CMC2, 5, 6 (±) Comments Volumetric Flow Rate – Measure & Measuring Equipment (cont) Water (1.0 to 260) gpm (3.7
FRIDLEY, MN, US
(A2LA Cert. No. 7250.05) 06/30/2025 Page 2 of 3 Test: Test Description: AAMA/WDMA/CSA 101/I.S.2/A440 North American Fenestration Standard / Specification for windows, doors, and skylights ANSI/DASMA 108 Standard meth
Dallas, TX, US
(A2LA Cert. No. 6400.01) 12/23/2024 Page 1 of 4 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BLUEBONNET LABS 2567 Valley View Lane Dallas, TX 75234 Jon Bowman Phone
KENT, WA, US
(A2LA Cert. No. 7250.04) 10/29/2024 Page 2 of 3 Test: Test Description: AAMA 1702.2 1 Voluntary standard for utilization in manufactured housing for swinging ex
Ponder, TX, US
(A2LA Cert No. 7521.01) Revised 11/03/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ADVANCED CONSTRUCTION TESTING (ACT) 1549 N FM 156 Ponder, TX 76259 Fred Muñoz Phone: (940) 435 2925 MECHAN
FRESNO, CA, US
(A2LA Cert. No. 7250.02) 12/16/2024 Page 2 of 4 Test: Test Description: ASTM E1680 Standard test method for rate of air leakage through exterior metal roof panel
Parma, ID, US
(A2LA Cert. No. 6392.01) 07/22/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 WESTERN LABORATORIES INC. 211 Highway 95 Box 1020 Parma, ID 83660 Harry Kreeft Phone: 208-649-4360
San Leandro, CA, US
(A2LA Cert. No. 3823.01) 07/07/2025 Page 4 of 4 Test Technology: Test Method(s): Registration Plates ISO 7591 (Temperature Resistance, Adhesion, Impact Resistance, Bending Resistance, Water Resistance, Cleanability, Fuel
Houston, TX, US
(A2LA Cert. No. 6117.01) 04/24/2024 Page 2 of 2 Test Method: Test Description: Bituminous (continued): ASTM D3203/D3203M Percent Air Voids in Compacted Asphalt Mixtures ASTM D3549/D3549M Thickness or Height of Compacted Asphalt Mixtur
Byron Center, MI, US
(A2LA Cert. No. 3193.01) 08/18/2025 Page 2 of 2 Test Description Test Method(s) Tear Strength of Fabrics: Tongue Method ASTM D751 Section 33-36, D2261, D5735-95 (2001); CFFA 16b Tear Strength of Fabrics: Trapezoid Method ASTM D751 S
Charleston, SC, US
(A2LA Cert. No. 2567.01) Revised 03/12/2026 Page 6 of 35 Parameter/Analyte Potable Water Aqueous Film Forming Foams (AFFF) Non- potable Water Tissue Solid Hazardous Waste (Liq
Livonia, MI, US
(A2LA Cert. No. 0570.03) Revised 02/24/2026 Page 8 of 12 Parameter/Analyte Potable Water Nonpotable Water Solid Hazardous Waste Aqueous Solid/Chemical Per- and Polyfluoroalkyl Substances 11-Chloroeicosfluoro-3- oxaundecane-1-sulfona
Knoxville, TN, US
(A2LA Cert. No. 3802.02) 12/22/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 TENNESEE DEPARTMENT OF HEALTH, LAB SERVICES – KNOXVILLE REGIONAL LABORATORY 2101 Medical Center Way Knoxville, TN 3792
Arvada, CO, US
(A2LA Cert. No. 2907.01) Revised 01/16/2026 Page 14 of 17 Parameter/Analyte Drinking Water Non- Potable Water Solid Hazardous Waste Tissue Aqueous Film Forming Foams (AFFF) Water Solid Perfluoroundecanoic ac
Ferndale, NY, US
(A2LA Cert. No. 6858.01) 11/11/2024 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17 025:2017 AG ENVIRONMENTAL RSC LLC dba SULLIVAN COUNTY LABS 86 Queen Mountain Rd, Ferndale, NY 12734 Alan R
Centennial, CO, US
(A2LA Cert. No. 5912.01) Revised 08/20/2025 Page 4 of 4 Specialty Sub Specialty Test/Analyte Method(s) Matrix(ces) Bacteriology (cont.) Sterility/ Aseptic Testing Culture HCT/Ps, Media, Swab VDMax Bioburden Culture HCT/Ps, Media
Sophia, WV, US
(A2LA Cert. No. 1362.01) Revised 03/12/2026 Page 5 of 5 Within the following operational ranges: Parameter Range Flow − Water Up to 290 gpm Flow − Oil and Fuel Up to 150 gpm Flow − Air Up to 2,900 scfm Temperature − Water (20
Ann Arbor, MI, US
(A2LA Cert. No. 7617.01) Revised 03/05/2026 Page 8 of 17 Test(s)/Technology(ies): Test Method(s): Piping and Couplings, Polyvinyl Chloride (PVC) for Underground Fire S
UNION GAP, WA, US
(A2LA Cert. No. 3329.18) REVISED 10/09/2025 Page 2 of 3 Test Type(s)/Technology(ies): Test Method(s): E. coli Plate Count- Rapid (Petrifilm) on Food and Food Related Item Spoilage (Solid, Liquid, and Swabs/Sponges) AOAC 2018.13 E
LAKE FOREST, CA, US
(A2LA Cert. No. 7250.03) Revised 11/19/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ARCHITECTURAL TESTING, INC. (AN INTERTEK COMPANY)
Laramie, WY, US
(A2LA Cert No. 3874.01) 02/03/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 WYOMING ANALYTICAL LABORATORIES, INC. 1660 Harrison Street Laramie, WY 82070 Mr. Monte Ellis Phone:
Phoenix, AZ, US
(A2LA Cert. No. 6471.01) 02/05/2026 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 MOTZZ LABORATORY 3540 E Corona Ave Phoenix, Arizona 85040 Thelma Sadang Phone: 602-454-2376 CHEMICAL
Ponce, US
(A2LA Cert. No. 5366.01) Revised 11/24/2025 Page 6 of 7 Parameter/Analyte Nonpotable Water Pesticides/PCB'S/Toxaphene 4,4 -DDD EPA 608.3 4,4 -DDE EPA 608.3 4,4 -DDT EPA 608.3 Aldrin EPA 608.3 alpha-BHC (alpha- Hexachlorocyclohexane)
Carrollton, TX, US
(A2LA Cert. No. 2234.01) Revised 08/04/2025 Page 2 of 3 Test Test Method(s) Miscellaneous Analysis Dissolved Silica in Water by UV-Vis PR-IN33 Total Organic Carbon in Water PR
Houston, TX, US
(A2LA Cert. No. 6814.01) 11/01/2024 Page 2 of 2 Test Method: Test Description: Concrete (Continued): ASTM C42/C42M Obtaining and Testing Drilled
Turlock, CA, US
(A2LA Cert. No. 1698.32) 12/06/2024 Page 2 of 2 Quantitative Test Method Method SOP(s) Reference Method(s) Yeast and Mold 9363 9364 AOAC 997.02, 2014.05 9365 CMMEF Ch. 21, FDA BAM Ch. 18 Qualitative Platform Met
Marietta, OH, US
(A2LA Cert No. 2936.01) Revised 09/23/2025 Page 23 of 23 Parameter/Analyte Potable Water 11-Chloroeicosafluoro-3-Oxaundecane- 1-Sulfonic Acid (11Cl-PF3OUdS) EPA 537.1 9-Chlorohexadecafluoro-3-Oxanone-1- Sulfonic Acid (9Cl-PF3ONS) EPA
Nashville, TN, US
(A2LA Cert. No. 1957.02) 01/08/2024 Page 2 of 3 Test: Test Method(s) : Ash Content in Thermoplastics ASTM D5630 (Procedure B); ISO 3451-1 (Method A) Coefficient of Linear Thermal Expansion with a Push-Rod Dilatometer ASTM E22
Wilmington, NC, US
(A2LA Cert. No. 2726.01) 04/30/2024 Page 10 of 20 Parameter/Analyte Potable Water Perfluoro-1-octanesulfonate (PFOS) EPA 537.1 Perfluoro-n-hexanoic acid (PFHxA) EPA 537.1 Perfluoro-n-heptanoic
Martinez, CA, US
(A2LA Cert. 4193.05) Revised 10/28/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BUREAU VERITAS COMMODITIES AND TRADE 3733 Shell Street Suite F El Paso, TX 79925 Roberto Sanchez Phone: 915-633-8040
Barberton, OH, US
(A2LA Cert. No. 0255.02) Revised 11/05/2025 Page 1 of 6 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AKRON RUBBER DEVELOPMENT LABORATORY, INC. 2887 Gilchrist Road Akron, OH 44305 Rick Behne Phone: 3
Cary, NC, US
(A2LA Cert. No. 5345.01) Revised 11/14/2025 Page 4 of 8 IV. Fluid Quantities Parameter/Equipment Range CMC2, 6 (±) Comments Gas Flow – Measuring Equipment (Nitrogen)3 Up to 500 ml/min (0.5 to 10) l/min (10 to 200) l/mi
Madison, WI, US
(A2LA Cert. No. 2623.01) 01/23/2026 Page 2 of 2 Test/Technology Internal Method Test Method(s) Salmonella Detection by MDS (for meats) and Confirmation / Identificat
Fenton, MO, US
(A2LA Cert. No. 6743.01) 1/14/2025 Page 5 of 5 BIOLOGICAL Test/Technology Test Method(s) Matrices Foreign Matter by Microscopic Analysis SOP-CAN-19-Filth and Foreign Matter Screening Raw Plant Mate
Sugar Land, TX, US
(A2LA Cert. No. 0024.01) 05/13/2025 Page 3 of 4 Test Method: Test Description: Concrete (continued): ASTM C1231/C1231M Unbonded Caps in Determination of Compressive Strength of Hardened Tex-407-A1 Samplin
West Conshohocken, PA, US
(A2LA Cert. No. 4209.02) 08/20/2025 Page 2 of 5 Certified Reference Materials and Reference Materials 1 / Matrix or Artifact Properties Characterized 2 Standard Test Methods Naphtha, Fuel Ethanol Density ASTM D287, ASTM D1298, AS
Norman, OK, US
(A2LA Cert. No. 3243.01) Revised 04/02/2025 Page 4 of 5 Test Type/Technology: Test Method: Resistance to Thermal Rupture SAE AS5127/1 – 7.2 Fluid Rupture Resistance SAE AS5127/1 – 7.3 Weight Loss and Flexibility SAE AS5127/1 –
Showing labs 1–50 of 84. Use pagination below to see more.
This page is a fixed slice of the register: every Drinking water scope we hold for United States. Search keeps that Drinking water filter on, so you can narrow further by city, accreditation body, or any term from the scope text.
Search Drinking water labs in United StatesAmerican Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.