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BSK Associates

Fresno, CA · Public samples: yes (per state)

At a glance

What it is certified to test
8 of the 9 common well tests on the CA list (see which)
Price
not published on the state list: ask the lab for a quote
Turnaround
not stated on the state list or the lab’s website: ask when you order
Homeowner samples
yes (California list)

Lab facts

Listed by
California (California State Water Resources Control Board - Environmental Laboratory Accreditation Program (ELAP))
Address
687 North Laverne Avenue, Fresno, CA 93727 · Open in Google Maps
Phone
(559) 497-2888
Public / homeowner samples
Public samples: yes (per state)
CA ELAP lab type 'Commercial': accepts commercial samples per state list (broader than homeowner); call first
Left blank on the list
The California list (version Map layer fetched 2026-11-15; scope PDF as of 7/22/2026) gives no website for this lab.

Certification record

Certificate ID
CA ELAP 1180
Issued by
California State Water Resources Control Board - Environmental Laboratory Accreditation Program (ELAP) (certification program)
Expiry on the list
4/30/2028 · expires in about 17 months
List version
California ELAP - Accredited Laboratories (map layer) + per-lab Fields of Accreditation, version Map layer fetched 2026-11-15; scope PDF as of 7/22/2026
We fetched it
15 Nov 2026 (file SHA-256 cbc97398a144…) · open the state file

Tests on the state list

8 of the 9 well-water tests we track are named for this lab on the California list (version Map layer fetched 2026-11-15; scope PDF as of 7/22/2026).
ContaminantOn this state listSame lab, other state lists
Coliform / E. coliNamed on the official listOregon
NitrateNamed on the official listHawaii, Nevada, Oregon, Washington
ArsenicNamed on the official listHawaii, Nevada, Oregon, Washington
LeadNamed on the official listHawaii, Nevada, Oregon, Washington
PFASNamed on the official listHawaii, Nevada, Oregon, Washington
UraniumNamed on the official listHawaii, Nevada, Oregon, Washington
Radon (water)Not named on this list
ManganeseNamed on the official listHawaii, Nevada, Oregon, Washington
VOCsNamed on the official listHawaii, Nevada, Oregon, Washington
Other metalsNamed on the official listHawaii, Nevada, Oregon, Washington
Groups as written on the state list (193)
  • 1,1,1,2-Tetrachloroethane
  • 1,1,1-Trichloroethane
  • 1,1,2,2-Tetrachloroethane
  • 1,1,2-Trichloroethane
  • 1,1-Dichloroethane
  • 1,1-Dichloroethylene (1,1-Dichloroethene)
  • 1,2,3-Trichlorobenzene
  • 1,2,3-Trichloropropane (TCP)
  • 1,2,4-Trichlorobenzene
  • 1,2,4-Trimethylbenzene
  • 1,2-Dibromo-3-chloropropane (DBCP)
  • 1,2-Dibromoethane (EDB)
  • 1,2-Dichlorobenzene
  • 1,2-Dichloroethane (Ethylene Dichloride)
  • 1,2-Dichloropropane
  • 1,3,5-Trimethylbenzene
  • 1,3-Dichlorobenzene
  • 1,4-Dichlorobenzene
  • 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
  • 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2FTS)
  • 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid (4:2FTS)
  • 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid (6:2FTS)
  • 2,4,5-TP (Silvex)
  • 2,4-D
  • 2-Chlorotoluene
  • 3-Hydroxycarbofuran
  • 4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
  • 4-Chlorotoluene
  • 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)
  • Alachlor
  • Aldicarb (Temik)
  • Aldicarb Sulfone
  • Aldicarb Sulfoxide
  • Alkalinity
  • Aluminum
  • Antimony
  • Arsenic
  • Atrazine
  • Barium
  • Bentazon
  • … and 153 more
  • Named on the official list The state list names this analyte (or a column for it) for this lab.
  • Group-level certification Certified for a parent group (e.g. 'Inorganics') that includes this analyte. Confirm the specific test with the lab.
  • Partial group certification The list marks the group as 'Partial'. Confirm this analyte with the lab.
  • Subcontracted The lab sends this analyte to another accredited lab (MDH 'X*').

193 drinking-water analytes across 43 methods in ELAP Fields of Accreditation 101 Microbiology of Drinking Water, 102 Inorganic Chemistry of Drinking Water, 103 Toxic Chemical Elements of Drinking Water, 104 Volatile Organic Chemistry of Drinking Water, 105 Semi-volatile Organic Chemistry of Drinking Water, 106 Radionuclides in Drinking Water. Scope PDF: https://www.waterboards.ca.gov/drinking_water/certlic/labs/documents/elap_certs/90.pdf (as of 7/22/2026).

Also certified by other states

Same business (same street address and ZIP) on another state's official list. Each state certifies separately, so each listing keeps its own source.

  • Washington · EPA CA00079 / WA DOH #218 · Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: yes (per state)
    WA Ecology - Environmental Laboratories Accredited for Drinking Water Analyses (with scopes) (Information current as of 11/13/2026)
  • Nevada · NV Lab ID CA00079 · Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: ask the lab
    NDEP Laboratory Approval Status - Certified Lab List (public database, Matrix: Drinking Water) (Live database, searched 2026-11-15 ("accurate as of the date and time of the search"))
  • Hawaii · no ID on list · Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: ask the lab
    Hawaii DOH State Laboratories Division - Certified Chemistry & Radiochemistry Drinking Water Labs (August 12th, 2026)
  • Oregon · 4021 · Coliform / E. coli, Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: yes (per state)
    ORELAP laboratory search (ODIE): accredited for the Drinking Water matrix (search as fetched 2026-11-15 (live database, no list date))

Before you send a sample

Call the lab to confirm it's currently certified for the exact test and method, that it accepts samples from homeowners, and how to collect and ship them. Bacteria samples have short holding times. Status can change between list updates. To check a status, contact the California certification program.

Is this your lab?

Labs can ask for corrections through the agency that publishes their state list. Homeowner service, prices and turnaround above come only from the lab’s own website. To ask us to correct or remove this listing, write to us (how we handle listings).

Certified as ofMap layer fetched 2026-11-15; scope PDF as of 7/22/2026

California ELAP - Accredited Laboratories (map layer) + per-lab Fields of Accreditation. Fetched 2026-11-15 (UTC). File SHA-256 cbc97398a144…

Open the state lab-certification page (official list)