79 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 Pace Analytical National, Alliance Laboratories, Inc., Analytical Technologies, Assured Testing Services, Dellavalle Laboratory, Inc.. Sites located in Houston, TX, Mt. Juliet, TN, Christiansted, US Virgin Islands, Ridgway, PA, Fresno, CA.
Mt. Juliet, TN, US
(A2LA Cert. No. 1461.01) Revised 02/20/2026 Page 7 of 25 Parameter/Analyte Potable Water Nonpotable Water Solid Hazardous Waste Aqueous Solid 1,2,3-Trichloropropane EPA 524.2 EPA 624.1 SM 6200 B-2011 EPA 8260B/C/D EPA 8260B/C/D
Houston, TX, US
(A2LA Cert. No. 2025.01) 05/28/2025 Page 2 of 2 Test Method: Test Description: Bituminous (continued): Tex-207-F Determining Density of Compacted
Christiansted, US Virgin Islands, US
(A2LA Cert. No. 5981.04) 02/28/2026 Page 3 of 3 Water Analysis: Test(s)/Technology(ies) Method(s) pH SMEWW 4500 H+ B Total Dissolved Solids SMEWW 2540 C Total Suspended Solids SMEWW 2540 D Test(s
Ridgway, PA, US
(A2LA Cert. No. 2012.01) Revised 06/16/2025 Page 12 of 13 Test: Test Method(s): Water Resistance ASTM A967/A967M (14.1, Practice A); ASTM D870; CAT MG1004-151; Ford FLTM BI 104-
Fresno, CA, US
(A2LA Cert. No. 6440.02) REVISED 09/22/2025 Page 2 of 3 Analyte / Parameter Drinking Water Non-Potable Water Escherichia coli (Enumeration) SM 9221 F-2014 SM 9221 F-2014 Escherichia coli (Enumeration) SM 9223 B-2016 Colilert SM
Minneapolis, MN, US
(A2LA Cert. No. 4231.01) 07/16/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AMETEK MOCON, INC. 7500 Mendelssohn Avenue North Minneapolis, MN 55428 Hasan Akhtar Phone: 612 368 2600 Hasan.Akhtar@am
Houston, TX, US
(A2LA Cert. No. 2425.02) REVISED 08/18/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ADVITECH ENGINEERING GROUP LLC 8101 Westglen Drive Houston, TX 77063 Vivek Chikyala Ph
Centerville, GA, US
(A2LA Cert. No. 1297.01) Revised 12/17/2024 Page 15 of 18 Parameter/Equipment Range CMC2, 5, 10 (±) Comments Direct Verification of Durometers – Scale Accuracy: Type A, B, C, D, DO, E, M, O, OOO, OOO-S, R Type OO I
Latrobe, PA, US
(A2LA Cert. No. 7000.01) REVISED 04/14/2025 Page 2 of 2 Test(s) Analyte(s) Method(s) Direct Microscope Examination (DME) Microscopic Examination of Fungal Spores, Fungal Structures, Hyphae, Pollen, Insect Fragments, and Fi
El Paso, TX, US
(A2LA Cert. No. 7181.01) REVISED 12/16/2024 Page 1 of 2 SCOPE OF ACCREDIATION TO ISO/IEC 17025:2017 Steris Laboratories, Inc. 11940 Golden Gate Road El Paso, TX 7993
Lancaster, PA, US
1 – In addition to GC/MS, the lab offers this method by GC/MS-MS for this analyte. 2 – In addition to GC/MS, the lab offers this method by SIM for this analyte 3 – In addition to GC/MS, the lab offers this method by SIM – isotope dilution
Honea Path, SC, US
(A2LA Cert. No. 3507.01) 11/04/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BELTON INDUSTRIES, INC. – TESTING LABORATORY 1205 Hamby Road Honea Path, SC 29654 W. David Galloway Phone: 864 338 5711
Bloomington, MN, US
(A2LA Cert. No. 3940.02) 05/21/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BRAUN INTERTEC CORPORATION 11001 Hampshire Avenue South Bloomington, MN 55438 Elaine Dubray Phone: 913-475-5850 Valid To: March 31, 202
Kansas City, KS, US
(A2LA Cert. No. 7229.01) Revised 04/02/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ALS Services USA Corp 935 ½ Sunshine Road Kansas City
Lafayette, LA, US
(A2LA Cert. No. 6190.01) 07/18/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ELEMENT MATERIALS TECHNOLOG
Bellingham, WA, US
(A2LA Cert. No. 0489.01) 03/31/2025 Page 4 of 5 Test Method: Test Description: Controlled Low Strength Material ASTM D4832 Preparation and Testing of Controlled Low Strength Material (CLSM) Test Cylinders AS
Hauppauge, NY, US
(A2LA Cert. No. 5898.01) 08/26/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ACCUON LABS INC. 25 Suffolk Ct Hauppauge, New York, 11747 Shailaja Pailla Phone: 631-656-4958
PLANO, TX, US
(A2LA Cert. No. 7250.06) Revised 11/13/2025 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ARCHITECTURAL TESTING, INC. (AN INTERTEK COMPANY)-PLANO 1909 10th St
Hudson, OH, US
(A2LA Cert. No. 2017.01) 06/09/2025 Page 2 of 7 II. Mechanical Parameter/Equipment Range CMC2, 4, 5 () Comments Torque – Static (clockwise, counter- clockwise) Dynamic 3 (clockwise, counter- clockwise)
Houston, TX, US
(A2LA Cert. No. 5454.01) Revised 03/28/2025 Page 2 of 2 Test Method: Test Description: Bituminous (Continued): TEX-241-F Compacting Bituminous Specimens Using th
New Bremen, OH, US
(A2LA Cert. No. 0736.01) 04/17/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BROOKSIDE LABORATORIES, INC. 200 White Mountain Drive New Bremen, OH 45869 Jackie Brackman Phone: 419 977 2766 GE
Redmond, WA, US
(A2LA Cert. No. 3381.01) 01/17/2025 Page 3 of 3 Test Method: Test Description: Soils (continued): ASTM D4718 Unit Weight and Water Content for Soils Containing Oversize
Salem, NH, US
(A2LA Cert. No. 4686.01) 01/27/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BOSTON ANALY
Sacramento, CA, US
(A2LA Cert. No. 2181.01) 09/24/2024 Page 1 of 5 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 CENTER FOR ANALYTICAL CHEMISTRY CALIFORNIA DEPARTMENT OF FOOD AND AGRICULTURE 3292 Meadowview
Houston, TX, US
(A2LA Cert. No. 2021.02) 06/30/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 A&R ENGINEERING AND TESTING, INC. 323 Martin
Portland, OR, US
(A2LA Cert. No. 2252.02) 03/17/2025 Page 1 of 2 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 CHEMTRACE 12130 NE Ainsworth Circle, Suite 210 Portland, OR 97220 Patrick Taylor Phone: 503-258-4067 patrick.taylor
Ferndale, MI, US
(A2LA Cert No. 0381.01) REVISED 01/16/2026 Page 4 of 6 Parameter/Analyte Potable Water Nonpotable Water Solid Hazardous Waste Aqueous Solid Benzo (g,h,i) perylene - - - - - - - - - - EPA 625.1 EPA 8270C EPA 8270C Benzo (a) pyren
Memphis, TN, US
(A2LA Cert. No. 4139.01) 12/30/2024 Page 6 of 6 Test(s) Test Method(s) Trace Nitrogen by Syringe/Inlet Oxidative Combustion and Chemiluminescence Detection ASTM D4629 Vapor Liquid Ratio Determination of Fuels ASTM D5188 Vapor
Miami, FL, US
(A2LA Cert. No. 0717.05) 07/02/2024 Page 6 of 7 SAE (Society of Automotive Engineers) SAE J1885-05 Accelerated Exposure of Automotive Interior Trim Components SAE J1960-04 Accelerated Exposure of Automotive Exterior Materials Using a C
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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.