Laboratories Conducting Soil, Plant, Feed or Water Testing

Publication
Authors
Publication Date: April 2025 | Publication Number: AZ1111 | Revision Date: 04/29/2025

Serve homeowners

Aquatic Consulting & Testing, Inc.

1525 W. University Dr., Ste 106, Tempe, Arizona 85281
Phone: 480-921-8044
Certified by ADHS: licensed aquatic herbicide & pesticide applicator, soil, water (incl. wastewater, microbiology, effluent toxicity, urban lake, mosquito & midge fly management, algae ID, stream monitoring & assessment, water feature management.

Bradshaw Mountain Environmental Lab

3050 Windsong, Ste 105, Prescott Valley, Arizona 86314  
Phone: 928-778-4510 
E-mail: prescott@bradshawmtnenv.com 
ADEQ Compliance (water for fecal bacteria /coliform, E-coli), nitrates/nitrites, metals, pH, and total dissolvable solids

Chandler Analytical

571 N 54th St., Chandler, Arizona 85226 
Phone: 480-963-2495 
Email: lab@chandleranalytical.com
Water [arsenic, bacteria, nitrates, selenium, heavy metals], plant tissue and feed

Eurofins Environmental Testing Southwest

4645 East Cotton Center Boulevard Suite 189, Phoenix, Arizona 85040
Phone: 602-437-3340
Email: lab@chandleranalytical.com 
Air[8260, 8015], drinking water, wastewater, hazardous waste, soil/solid waste

IAS Laboratories

2515 E. University Drive, Phoenix, Arizona 85034
Phone: 602-273-7248
Email: lab@chandleranalytical.com 
Soil, plant tissue, water [total coliform, nitrates/ nitrites], manure/compost, plant tissue, fertilizer, potting mix 
Suitable for homeowners and commercial operators

Mohave Environmental Laboratory

2580 Landon Dr. Ste. A, Bullhead City, Arizona 86429
Phone: 928 754-8101

200 N 2nd St Holbrook, AZ 86025
Phone: 928-524-4635
Email: lab@chandleranalytical.com
Certified Environmental for water

MotZZ Laboratory, Inc.

3540 E. Corona Ave., Phoenix, Arizona 85040
Phone: 602-454-2376
Email: lab@chandleranalytical.com
Soil, plant tissue, water, fertilizer, compost/mulch

NORTEST Analytical

2400 East Huntington Dr., Flagstaff, Arizona 86004
Phone: 928-774-2312
Certified by ADHS for water analysis – focus on private wells, small local clients, public water systems

Radiation Safety Engineering, Inc.

3245 N. Washington St.,s Chandler, Arizona  85225
Phone: 480-897-9459
Phone: 1-800-477-9691
Certified Environmental for radionuclide testing for drinking water & environmental

Stanworth Crop Consultants

3160 W. Hobson Way, Blythe, California 92225
Phone: 760-922-3106
Soil, plant analysis and fertilizer recommendations

Soil Health Lab LLC

39105 El Camino Real, Soledad, California 93960
Phone:  619-822-5918 (Paul Zerbe) 
Soil nutrient and health analysis, plant tissue and sap analysis and irrigation water analysis

Texas A & M Soil, Water, and Forage Testing Laboratory

USPS mail: 2478 TAMU, College Station, Texas 77843-2478
Fedex, UPS, etc: 2610 F&B Road, College Station, Texas 77845
Phone: 979-845-4816
Email: soiltesting@ag.tamu.edu 
Soil, urban soil, water, plant/forage, biosolid/manure

Turner Laboratories, Inc.

2445 N. Coyote Drive, Suite 104, Tucson, Arizona 85745
Several satellite locations (see website for details)
Phone: 520-882-5880
Fax: 520-882-9788
Email: sales@turnerlabs.com 
Certified Environmental for water (including arsenic)

Western Technologies

3737 E Broadway, Phoenix, AZ 85040
Several satellite locations (see website for details)
Phone: 602-437-3737
Soil engineering, water, air, asbestos

Do not serve homeowners

ALS Environmental 

4208 S. Santa Rita Ave, Tucson, AZ 85714
Phone: 520-573-1061
Certified: environmental – air, soil, sediment water
Not for the average homeowner

Apex Environmental Laboratory

2105 S. 48th St., Ste 102, Tempe, AZ 85282
Phone: 602-437-0762
Email: woodsb@azapexlab.com
Certified: metal & elemental analysis on drinking water, wastewater, soils/solids, hazardous waste 
Not for average homeowner

Legend Technical Services

17631 N. 25th Avenue Phoenix, AZ  85023
Phone: 602-324-6100

4585 S Palo Verde Rd, Ste 423 Tucson, AZ 85706
Phone: 520-327-1234

Email: woodsb@azapexlab.com
Certified Environmental: drinking water, groundwater, waste water, indoor air, soil
Legend does not provide water-testing services to the public only governmental agencies, private water companies, businesses, and universities

Status and Revision History
Revised April 2025 by Matt Halldorson
Revised October 2022