At a glance
- What it is certified to test
- 1 of the 9 common well tests on the VT 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 (Vermont list)
Lab facts
- Listed by
- Vermont (Vermont Department of Health - Public Health Laboratory)
- Address
- 14859 Clark Avenue, Industry, CA 91745 · Open in Google Maps
- Phone
- (626) 336-2139
- Website
- wecklabs.com
- Public / homeowner samples
- Public samples: yes (per state)Highlighted green on VT list = accepts private samples
- Location note
- Lab is in CA, certified by Vermont (often used as a mail-in lab).
Certification record
- Certificate ID
- VT 4047
- Issued by
- Vermont Department of Health - Public Health Laboratory (certification program)
- Expiry on the list
- 8/15/2027 · expires in 273 days
- List version
- Vermont Department of Health - Laboratories Certified for Drinking Water Analysis, version September 28, 2026
- We fetched it
- 15 Nov 2026 (file SHA-256 c9d664974c46…) · open the state file
Tests on the state list
| Contaminant | On this state list | Same lab, other state lists |
|---|---|---|
| Coliform / E. coli | Not named on this list | Arizona, California |
| Nitrate | Not named on this list | Arizona, California, Hawaii, Idaho, Nevada, Oklahoma, Oregon, Virginia |
| Arsenic | Not named on this list | Arizona, California, Hawaii, Idaho, Nevada, Oklahoma, Oregon, Virginia |
| Lead | Not named on this list | Arizona, California, Hawaii, Idaho, Nevada, Oklahoma, Oregon, Virginia |
| PFAS | Named on the official list | Arizona, California, Hawaii, Idaho, Nevada, Oregon, Virginia |
| Uranium | Not named on this list | Arizona, California, Hawaii, Idaho, Nevada, Oregon, Virginia |
| Radon (water) | Not named on this list | |
| Manganese | Not named on this list | Arizona, California, Hawaii, Nevada, Oregon, Virginia |
| VOCs | Not named on this list | Arizona, California, Hawaii, Idaho, Nevada, Oklahoma, Oregon, Virginia |
Groups as written on the state list (1)
- PFAS: EPA 533, EPA 537.1 v1
Detailed scope sheet embedded in the state PDF: Weck Laboratories - Industry, CA - 26A.pdf
- 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*').
VT notes some labs that accept private samples may not accept private PFAS samples.
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.
- Virginia · VA lab 460313 / EPA CA00211 · Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: ask the labVirginia DCLS - Drinking Water Certified Labs (analyte detail) (Current as of 8/1/2026)
- California · CA ELAP 1132 · 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 3/12/2026)
- Oklahoma · OK DEQ State ID 2304, certificate 2026-101 · Nitrate, Arsenic, Lead, VOCs, Other metals · Public samples: yes (per state)ODEQ Lab Facility Search - laboratories accredited by the DEQ Laboratory Accreditation Program (Matrix: Drinking Water) (Live database, searched 2026-11-02)
- Nevada · NV Lab ID CA00211 · Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: ask the labNDEP 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 labHawaii DOH State Laboratories Division - Certified Chemistry & Radiochemistry Drinking Water Labs (August 12th, 2026)
- Arizona · AZ0860 · Coliform / E. coli, Nitrate, Arsenic, Lead, PFAS, Uranium, Manganese, VOCs, Other metals · Public samples: ask the labADHS Safe Drinking Water Commercial Lab List (List of Arizona Certified Commercial Drinking Water Laboratories) (current as of Saturday, November 7, 2026)
- Montana · no ID on list · analytes not broken down · Public samples: ask the labMontana DPHHS Water Laboratory Certification Program - Certified Laboratories (page as fetched 2026-11-15 (no date printed))
- Oregon · 4047 · 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))
- Idaho · CA00211 · Nitrate, Arsenic, Lead, PFAS, Uranium, VOCs, Other metals · Public samples: ask the labIdaho DHW - Drinking Water Lab Certification (WebLink folder 2940): State of Idaho Drinking Water Certificates (Weck Laboratories Industry, CA Inorganics Certificate: 6/1/2026 - 5/31/2027; Weck Laboratories Industry, CA Organics Certificate: 6/1/2026 - 5/31/2027; Weck Laboratories Industry, CA PFAS Certificate: 6/1/2026 - 5/31/2027; Weck Laboratories Industry, CA Radiochemical Certificate: 6/1/2026 - 5/31/2027)
Nearest labs that take homeowner samples
18 other certified labs that take homeowner samples are within 25 miles of this lab. Distances are straight-line from the address on the state list (approx. = ZIP-code centre). “Takes homeowner samples” comes from a state list column or the lab’s own website, as named.
| Lab and tests named on its list | Town | Distance | Tests in common with this lab | Price printed | Turnaround printed | Homeowner samples: source |
|---|---|---|---|---|---|---|
| Michelson Laboratories, Inc. Coliform / E. coli, Nitrate, Arsenic, Lead | Commerce, CA | 10 mi | 0 | – | – | California list |
| Eurofins Pomona Nitrate, Arsenic, Lead, PFAS | Pomona, CA | 11 mi | 1 | – | – | Washington list |
| AIH Laboratory, Inc. Nitrate, Arsenic, Lead | Anaheim, CA | 12 mi | 0 | – | – | California list |
| EMSL Analytical, Inc. (LA Testing) Coliform / E. coli | South Pasadena, CA | 12 mi | 0 | – | FHA/VA Water Test Kit – 3 Day Lab Res... | California list |
| Enviro-Chem, Inc. not broken down on its list | Pomona, CA | 14 mi | 0 | – | – | California list |
Price and turnaround as printed on each lab’s own website and checked by a second reader; – = not published or not read yet.
Around this lab: Los Angeles County, CA
- Private wells: about 30,311 people, 0% of Los Angeles County’s 10,170,292 residents (USGS, 2015); rank 17 of 58 counties in California by people on wells.
- EPA radon zone (indoor air): Zone 2: moderate potential (average indoor radon may be between 2 and 4 pCi/L). EPA says the zone map should not decide whether one home needs testing.
- Arsenic above 10 µg/L (USGS model): about 17,244 private-well users (95% range 12,915 to 22,850; 2010 base), rank 1 of 58 in the state. A screening estimate, not a measurement of any well.
- Older homes (Census ACS 2020–2024): 70% of 3,650,466 housing units were built before 1980, above the state share of 56%. Homes built before 1986 are more likely to have lead solder or fittings, so test tap water for lead there.
- PFAS in public water nearby (public supply, not your well): 131 public systems serving this county reported EPA UCMR 5 results; 54 had a PFOA or PFOS sample at or above 4.0 ng/L.
County figures describe where the lab is, not the lab. Sources: USGS 2015 water use and 2017 arsenic estimates, EPA radon zones, Census ACS table B25034 (2020–2024), EPA UCMR 5 (2023–2026); details and links on the sources page.
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 Vermont 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).
Vermont Department of Health - Laboratories Certified for Drinking Water Analysis. Fetched 2026-11-15 (UTC). File SHA-256 c9d664974c46…
Open the official source list