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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 OR 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 (Oregon list)

Lab facts

Listed by
Oregon (Oregon Health Authority (OHA) - Oregon State Public Health Laboratory, Oregon Environmental Laboratory Accreditation Program (ORELAP))
Address
687 North Laverne Avenue, Fresno, CA 93727 · Open in Google Maps
Phone
(559) 497-2888
Public / homeowner samples
Public samples: yes (per state)
ORELAP's lab search marks this lab as accepting public samples. OHA's guide to the search explains the filter as: "You can filter for laboratories accepting public samples (these laboratories can accept samples from anyone)." OHA's domestic well testing page sends well owners to its list of accredited labs.
Location note
Lab is in CA, certified by Oregon (often used as a mail-in lab).
Left blank on the list
The Oregon list (version search as fetched 2026-11-15 (live database, no list date)) gives no website for this lab.

Certification record

Certificate ID
4021
Issued by
Oregon Health Authority (OHA) - Oregon State Public Health Laboratory, Oregon Environmental Laboratory Accreditation Program (ORELAP) (certification program)
Expiry on the list
1/29/2027 · expires in 75 days
List version
ORELAP laboratory search (ODIE): accredited for the Drinking Water matrix, version search as fetched 2026-11-15 (live database, no list date)
We fetched it
15 Nov 2026 (file SHA-256 a4b0407bc4d3…) · 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 Oregon list (version search as fetched 2026-11-15 (live database, no list date)).
ContaminantOn this state listSame lab, other state lists
Coliform / E. coliNamed on the official listCalifornia
NitrateNamed on the official listCalifornia, Hawaii, Nevada, Washington
ArsenicNamed on the official listCalifornia, Hawaii, Nevada, Washington
LeadNamed on the official listCalifornia, Hawaii, Nevada, Washington
PFASNamed on the official listCalifornia, Hawaii, Nevada, Washington
UraniumNamed on the official listCalifornia, Hawaii, Nevada, Washington
Radon (water)Not named on this list
ManganeseNamed on the official listCalifornia, Hawaii, Nevada, Washington
VOCsNamed on the official listCalifornia, Hawaii, Nevada, Washington
Other metalsNamed on the official listCalifornia, Hawaii, Nevada, Washington
Groups as written on the state list (257)
  • Drinking Water: 1,2,3-Trichloropropane (CA DDW -DWRL-123TCP; EPA 524.2; EPA 524.4; SRL 524M-TCP)
  • Drinking Water: Metals Sample Prep (EPA 200.2)
  • Drinking Water: Aluminum (EPA 200.7)
  • Drinking Water: Barium (EPA 200.7; EPA 200.8)
  • Drinking Water: Boron (EPA 200.7)
  • Drinking Water: Calcium (EPA 200.7)
  • Drinking Water: Copper (EPA 200.7; EPA 200.8)
  • Drinking Water: Iron (EPA 200.7)
  • Drinking Water: Magnesium (EPA 200.7)
  • Drinking Water: Manganese (EPA 200.7)
  • Drinking Water: Potassium (EPA 200.7)
  • Drinking Water: Silica as SiO2 (EPA 200.7)
  • Drinking Water: Silver (EPA 200.7; EPA 200.8)
  • Drinking Water: Sodium (EPA 200.7)
  • Drinking Water: Zinc (EPA 200.7; EPA 200.8)
  • Drinking Water: Antimony (EPA 200.8)
  • Drinking Water: Arsenic (EPA 200.8)
  • Drinking Water: Beryllium (EPA 200.8)
  • Drinking Water: Cadmium (EPA 200.8)
  • Drinking Water: Chromium (EPA 200.8)
  • Drinking Water: Lead (EPA 200.8)
  • Drinking Water: Mercury (EPA 200.8)
  • Drinking Water: Nickel (EPA 200.8)
  • Drinking Water: Selenium (EPA 200.8)
  • Drinking Water: Strontium (EPA 200.8)
  • Drinking Water: Thallium (EPA 200.8)
  • Drinking Water: Uranium (mass) (EPA 200.8)
  • Drinking Water: Vanadium (EPA 200.8)
  • Drinking Water: Chromium VI (EPA 218.6; EPA 218.7)
  • Drinking Water: Bromide (EPA 300.0; EPA 300.1)
  • Drinking Water: Chloride (EPA 300.0)
  • Drinking Water: Fluoride (EPA 300.0)
  • Drinking Water: Nitrate as N (EPA 300.0)
  • Drinking Water: Nitrate plus Nitrite as N (EPA 300.0)
  • Drinking Water: Nitrite as N (EPA 300.0)
  • Drinking Water: Orthophosphate as P (EPA 300.0; SM 4500-P E)
  • Drinking Water: Sulfate (EPA 300.0)
  • Drinking Water: Chlorate (EPA 300.1)
  • Drinking Water: Chlorite (EPA 300.1)
  • Drinking Water: Perchlorate (EPA 314.0)
  • … and 217 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*').

ORELAP Fields of Accreditation, certificate 4021 - 028 (issued 10/30/2026, list as of 10/30/2026): 257 drinking-water analytes accredited.

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)
  • California · CA ELAP 1180 · Coliform / E. coli, Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: yes (per state)
    California ELAP - Accredited Laboratories (map layer) + per-lab Fields of Accreditation (Map layer fetched 2026-11-15; scope PDF as of 7/22/2026)
  • 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)

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 Oregon 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 ofsearch as fetched 2026-11-15 (live database, no list date)

ORELAP laboratory search (ODIE): accredited for the Drinking Water matrix. Fetched 2026-11-15 (UTC). File SHA-256 a4b0407bc4d3…

Open the state lab-certification page (official list)