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ACZ Laboratories, Inc.

Steamboat Springs, CO · Public samples: ask the lab

At a glance

What it is certified to test
6 of the 9 common well tests on the AZ 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 (Washington list)

Lab facts

Listed by
Arizona (Arizona Department of Health Services (ADHS) - Bureau of State Laboratory Services, Office of Laboratory Licensure & Certification (Environmental Laboratory Licensure))
Address
2773 Downhill Drive, Steamboat Springs, CO 80487 · Open in Google Maps
Phone
(970) 879-6590
Public / homeowner samples
Public samples: ask the lab
Not stated per lab. ADHS's private-well pamphlet says "Independent laboratories can test the water from your private well." and points well owners to this list.
Location note
Lab is in CO, certified by Arizona (often used as a mail-in lab).
Left blank on the list
The Arizona list (version current as of Saturday, November 7, 2026) gives no website for this lab.

Certification record

Certificate ID
AZ0102
Issued by
Arizona Department of Health Services (ADHS) - Bureau of State Laboratory Services, Office of Laboratory Licensure & Certification (Environmental Laboratory Licensure) (certification program)
List version
ADHS Safe Drinking Water Commercial Lab List (List of Arizona Certified Commercial Drinking Water Laboratories), version current as of Saturday, November 7, 2026
We fetched it
7 Nov 2026 (file SHA-256 aacb74bfb1fa…) · open the state file

Tests on the state list

6 of the 9 well-water tests we track are named for this lab on the Arizona list (version current as of Saturday, November 7, 2026).
ContaminantOn this state listSame lab, other state lists
Coliform / E. coliNot named on this list
NitrateNamed on the official listColorado, Idaho, Oregon, Texas, Washington
ArsenicNamed on the official listColorado, Idaho, Oregon, Texas, Washington
LeadNamed on the official listColorado, Idaho, New Mexico, Oregon, Texas, Washington
PFASNot named on this list
UraniumNamed on the official listColorado, Idaho, Michigan, Oregon, Texas, Washington
Radon (water)Named on the official list
ManganeseNamed on the official listOregon, Texas, Washington
VOCsNot named on this list
Other metalsNamed on the official listColorado, Idaho, New Mexico, Oregon, Texas, Washington
Groups as written on the state list (42)
  • SDW: ALKALINITY (SM 2320B (2011))
  • SDW: ALUMINUM (EPA 200.7 (4.4))
  • SDW: ANTIMONY (EPA 200.8 (5.4))
  • SDW: ARSENIC (EPA 200.8 (5.4))
  • SDW: BARIUM (EPA 200.8 (5.4))
  • SDW: BERYLLIUM (EPA 200.8 (5.4))
  • SDW: CADMIUM (EPA 200.8 (5.4))
  • SDW: CALCIUM (EPA 200.7 (4.4))
  • SDW: CHLORIDE (EPA 300.0 (2.1))
  • SDW: CHROMIUM TOTAL (EPA 200.8 (5.4))
  • SDW: COPPER (EPA 200.8 (5.4))
  • SDW: CYANIDE (EPA 335.4 (1.0))
  • SDW: CYANIDE, AVAILABLE/AMENABLE (ASTM-D6888-04)
  • SDW: FLUORIDE (EPA 300.0 (2.1); SM 4500-F C (2011))
  • SDW: GROSS ALPHA (EPA 900.0)
  • SDW: GROSS ALPHA AND BETA (EPA 900.0)
  • SDW: HARDNESS (SM 2340 B (2011), CA AND MG)
  • SDW: HYDROGEN ION (pH) (SM 4500-H B (2011))
  • SDW: IRON (EPA 200.7 (4.4))
  • SDW: LEAD (EPA 200.8 (5.4))
  • SDW: MAGNESIUM (EPA 200.7 (4.4))
  • SDW: MANGANESE (EPA 200.7 (4.4))
  • SDW: MERCURY (EPA 245.1 (3.0))
  • SDW: NICKEL (EPA 200.8 (5.4))
  • SDW: NITRATE (EPA 353.2 (2.0))
  • SDW: NITRITE (EPA 353.2 (2.0))
  • SDW: ORTHOPHOSPHATE (EPA 365.1 (2.0))
  • SDW: RADIUM 226 (EPA 903.0; EPA 903.1)
  • SDW: RADIUM 228 (EPA 904)
  • SDW: RADON (SM 7500-RN B)
  • SDW: RESIDUE, FILTERABLE (TDS) (SM 2540 C (2011))
  • SDW: SELENIUM (EPA 200.8 (5.4))
  • SDW: SILICA (EPA 200.7 (4.4))
  • SDW: SILVER (EPA 200.8 (5.4))
  • SDW: SODIUM (EPA 200.7 (4.4))
  • SDW: SPECIFIC CONDUCTANCE (SM 2510B(2011))
  • SDW: STRONTIUM (EPA 200.7 (4.4))
  • SDW: SULFATE (EPA 300.0(2.1))
  • SDW: THALLIUM (EPA 200.8 (5.4))
  • SDW: TURBIDITY, NEPHELOMETRIC (NTU) (EPA 180.1 (2.0))
  • … and 2 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*').

ADHS lists 42 Safe Drinking Water parameters for this licence (AZ0102).

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 CO00028 / WA DOH #257 · Nitrate, Arsenic, Lead, Uranium, Manganese, 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)
  • Michigan · 9967 · Uranium · Public samples: ask the lab
    EGLE - Certified Radiological Laboratories (9/8/2025 (radiological list))
  • Texas · TX Lab ID T104704258 · Nitrate, Arsenic, Lead, Uranium, Manganese, Other metals · Public samples: ask the lab
    TCEQ Laboratory Approval Status - List of Accredited Laboratories (public database, Matrix: Drinking Water) (Live database, searched 2026-11-15 ("accurate as of the date and time of the search"))
  • Colorado · CO Lab Cert ID CO00028 · Nitrate, Arsenic, Lead, Uranium, Other metals · Public samples: yes (per state)
    CDPHE Drinking Water Lab Certifications (Looker Studio report on cdphe.colorado.gov/dwlabs) (Live report, no edit date shown; data read by the report at 2026-11-02 20:39 UTC (Looker Studio dataTimestamp))
  • Oregon · CO200002 · Nitrate, Arsenic, Lead, Uranium, Manganese, 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))
  • New Mexico · CO00028 · Lead, Other metals · Public samples: ask the lab
    Laboratories Certified by NMED-DWB to Analyze Drinking Water Samples for Water Systems in New Mexico (Last Updated: 10/26/2026)
  • Idaho · CO00028 · Nitrate, Arsenic, Lead, Uranium, Other metals · Public samples: ask the lab
    Idaho DHW - Drinking Water Lab Certification (WebLink folder 2940): State of Idaho Drinking Water Certificates (ACZ Laboratories Steamboat Springs, CO Inorganics Certificate: 10/1/2026 - 9/30/2027; ACZ Laboratories Steamboat Springs, CO Radiochemical Certificate: 10/1/2026 - 9/30/2027)

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 Arizona 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 ofcurrent as of Saturday, November 7, 2026

ADHS Safe Drinking Water Commercial Lab List (List of Arizona Certified Commercial Drinking Water Laboratories). Fetched 2026-11-07 (UTC). File SHA-256 aacb74bfb1fa…

Open the official source list