109 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform Water testing. Common methods used to test Water in United States: EPA 300.0, EN ISO 17294-2/EPA Method 200.8, EPA 200.7. Most frequently tested analytes in this matrix in United States: Organic Compounds, Metals, Alkalinity. Accredited providers include Colorado Engineering Experiment Station,, Advanced Technology Services - Caterpillar Technical Center, Microbac Laboratories, INC. - Knoxville Division, Perritt Laboratories, EMSL Analytical. 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 2 of 3 Parameter/Analyte Potable Water Non-potable Water Manganese EPA 200.7, Rev. 4.4 (1994) EPA 200.8, Rev. 5.4 (1994) EPA 200.7, Rev. 4.4 (1994) EPA 200.8, Rev. 5.4 (1994) Molyb
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
Saint Louis, MO, US
(A2LA Cert. No. 2845.25) Revised 12/16/2025 Page 2 of 3 Parameter/Analyte Non-Potable Water Potable Water Hazardous Waste Solids Aqueous Lithium ----------------------- ----------------------- EPA 6010D LMBL-SOP-300 -----------
Saco, ME, US
(A2LA Cert. No. 5433.01) 09/26/2025 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 BEACON ANALYTICAL SYSTEMS, INC. 82 Industrial Park Rd. Saco, ME 04072 Kate Barto Phone: +1-207-
Grand Prairie, TX, US
(A2LA Cert. No. 2088.01) REVISED 06/16/2025 Page 1 of 3 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 ANALYTICAL FOO
Hillsdale, MI, US
(A2LA Cert. No. 2745.01) 11/21/2024 Page 9 of 9 Test Type / Test Capabilities Test Method(s) Tensile / Compression (Up to 100 kN) Cross Lap AWS D8.9M 11.6.3 and 11.6.3.2; GM 9753P (2011); Navistar MPAPS K-6900
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
Acton, MA, US
(A2LA Cert. No. 3383.02) 07/02/2025 Page 2 of 2 1 This laboratory performs field testing activities for these tests. Test: Test Method(s): Internal Method(s): Water Microbial Testing Total Heterotrophic Plate Cou
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
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 3 of 3 Test Description(s) Test Method City Water Analysis for pH BAL-82014-SOP Determination of Dissolved Silica in UPW by Colorimetry BAL-82015-SOP Determination o
Fort Wayne, IN, US
(A2LA Cert. No. 6190.02) 10/21/2025 Page 10 of 10 BIOLOGICAL Parameter/Analyte Non-Potable Water Potable Water Escherichia coli (Colilert P/A) 1
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
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 3 of 4 Test: Test Description: ANSI/DASMA 115 Standard method for testing sectional garage doors and rolling doors – de
Aurora, CO, US
(A2LA Cert. No 6900.01) REVISED 02/06/2026 Page 5 of 7 Parameter Non-Potable Water Solid/Chemical Materials 2,6-dinitrotoluene EPA 8270E -- 1,2-Diphenylhydrazine EPA 8270E -- Fluoranthene EPA 8270E EPA 8270E Flu
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
Gypsum, CO, US
(A2LA Cert. No. 0703.02) 04/23/2022 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AMERICAN GYPSUM COMPANY – EAGLE PLANT 740 Highway 6 Gypsum, CO 81637 Ray Dabria Phone: 843 359 2036 Email: Ray.Dabria@
Charleston, SC, US
(A2LA Cert. No. 2567.01) Revised 03/12/2026 Page 34 of 35 Parameter/Analyte Nonpotable Water Solid Hazardous Waste (Liquids and Solids) Sulfuric Acid/Permanganate Clean-up EPA 3665A
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
Kannapolis, NC, US
(A2LA Cert. No. 7034.01) Revised 02/11/2025 Page 2 of 2 Test Method SOP Reference Method Vitamin D – HPLC-MS/MS BPL-TM-021 AOAC 2016.05 Vitamin K – HPLC-FLUOR BPL-TM-011 AOAC 999.15 Water Activity – Water Activity Meter BPL
Arvada, CO, US
(A2LA Cert. No. 2907.01) Revised 01/16/2026 Page 3 of 17 Parameter/Analyte Non-Potable Water Solid Hazardous Waste Water Solid Nutrients Nitrate (as N) EPA 300.0 EPA 9056/9056A EPA 9056/9056A Nitrate-Nitrite (as N) E
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
College Station, TX, US
A2LA Cert No. 4915.01) 9/11/2024 Page 1 of 12 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 TDI-BI/B&B LABORATORIES 1439
Jackson, CA, US
For the tests to which this accreditation applies, please refer to the laboratory’s Environmental Scope of Accreditation. Accredited Laboratory A2LA has accredited 49ER WATER LABORATORY Jackson, CA for technic
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
Omaha, NE, US
(A2LA Cert. No. 1698.16) 01/14/2026 Page 2 of 3 Qualitative Platform Method SOP(s) Reference Method(s) Colilert 7844, 7.11 AOAC 991.15 (Total Coliforms and E. coli in Water) Cultural Confirmation 7858
Albuquerque, NM, US
(A2LA Cert. No. 0703.01) 04/23/2024 Page 1 of 1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 AMERICAN GYPSUM COMPANY – ALBUQUERQUE PLANT 4600 Paseo Del Norte Albuquerque, NM 87109 Ray Dabria Phone: 843 359 2036
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
Corydon, IN, US
(A2LA Cert. No. 1888.11) Revised 11/19/2025 Page 1 of 33 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 & ANSI/NCSL Z540-1-1994 ACCU-CHEK LLC 1015 Old Forest Road NW Corydon, IN 47112 Trevor
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:
Minneapolis, MN, US
(A2LACert. No. 2926.01) 10/27/2025 Page 12 of 17 Parameter/Analyte Nonpotable Water Solid Hazardous Waste gamma-BHC (Lindane) EPA 8081B EPA 8081B gamma-Chordane EPA 8081B EPA 8081B Chlordane (Technical) EPA 8081B EPA 8081B Dieldrin EP
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 7 of 23 Parameter/Analyte Non-potable Water (1) Solid and Chemical Materials (2) 2,2-Dichloropropane EPA 624.1 EPA 8260B/8260D EPA 8260B/8260D 1,1-Dichloropropene EPA 624.1 EPA 8260B/82
Showing labs 1–50 of 109. Use pagination below to see more.
This page is a fixed slice of the register: every Water scope we hold for United States. Search keeps that Water filter on, so you can narrow further by city, accreditation body, or any term from the scope text.
Search 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.