At a glance
- What it is certified to test
- 2 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
- 4802 Tieton Drive, Yakima, WA 98908 · Open in Google Maps
- Phone
- (509) 225-9404
- 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 WA, 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
- 4198
- Issued by
- Oregon Health Authority (OHA) - Oregon State Public Health Laboratory, Oregon Environmental Laboratory Accreditation Program (ORELAP) (certification program)
- Expiry on the list
- 08/04/2027 · expires in 262 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
| Contaminant | On this state list | Same lab, other state lists |
|---|---|---|
| Coliform / E. coli | Named on the official list | Florida, Washington |
| Nitrate | Named on the official list | Florida, Washington |
| Arsenic | Not named on this list | |
| Lead | Not named on this list | |
| PFAS | Not named on this list | |
| Uranium | Not named on this list | |
| Radon (water) | Not named on this list | |
| Manganese | Not named on this list | |
| VOCs | Not named on this list |
Groups as written on the state list (2)
- Drinking Water: Nitrate (per OHA's ORELAP map)
- Drinking Water: Coliforms (per OHA's ORELAP map)
- 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's Fields of Accreditation for this lab uses a different report layout; only its header (certificate, dates) was read. Certificate 4198 - 003, issued 08/05/2026. OHA's map of ORELAP labs (layer ORELAP_labs, data edited 2026-01-14) shows this lab as accredited for: Nitrate, Coliforms. OHA's map says it "includes accreditation status for nitrate, arsenic, lead, and coliforms".
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 WA01292 · Coliform / E. coli, Nitrate · Public samples: yes (per state)WA Ecology - Environmental Laboratories Accredited for Drinking Water Analyses (with scopes) (Information current as of 11/13/2026)
- Florida · FL DOH E871190 · Coliform / E. coli, Nitrate · Public samples: ask the labFlorida DOH - Laboratories Certified Under NELAP (DEP Qlik app): Analyte Search + Organization Name and Location Search, Matrix = Drinking Water, Certification Status = Accredited, Active labs (DOH Version: 11/07/2026 08:30:01 (Qlik app refresh 11/9/2026 4:26:47 AM; live database))
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).
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)