At a glance
- What it is certified to test
- 1 of the 9 common well tests on the MI list (see which)
- Price
- no per-test price printed on the lab’s website when we read it (14 Nov 2026): ask for a quote
- Turnaround
- not stated on the state list or the lab’s website: ask when you order
- Homeowner samples
- yes (lab’s own website, read 14 Nov 2026)
Lab facts
- Listed by
- Michigan (Michigan Department of Environment, Great Lakes, and Energy (EGLE) - Laboratory Certification Program)
- Address
- 1950 Tobsal Court, Warren, MI · Open in Google Maps
- Phone
- (586) 755-8970
- Website
- biosan.comNot on the state list: found and checked by us, 14 Nov 2026
- Public / homeowner samples
- Homeowner samples: yes (lab’s website)Not stated in the list.
Certification record
- Certificate ID
- 9972
- Issued by
- Michigan Department of Environment, Great Lakes, and Energy (EGLE) - Laboratory Certification Program (certification program)
- List version
- EGLE - State of Michigan Certified Laboratories: Microbiological, version SOM Certified Labs - Chemistry 3/11/2026 (microbiological list)
- We fetched it
- 15 Nov 2026 (file SHA-256 3f166e811916…) · open the state file
Tests on the state list
| Contaminant | On this state list |
|---|---|
| Coliform / E. coli | Named on the official list |
| Nitrate | Not named on this list |
| 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 (3)
- E. Coli
- Heterotrophic Bacteria
- Total Coliform
- 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*').
EGLE lists 3 drinking-water analytes this lab is certified for (analyte-level list). On EGLE's microbiological list. The list prints the ZIP code 48901; we do not show it because it looks wrong: 48901 is a Lansing ZIP code; Warren is in Macomb County (ZIPs 48088-48093).
Homeowner service and turnaround (lab’s own website)
- Takes homeowner samples: yes. The lab’s site says: “Who Needs Colitag Testing? Municipal water utilities Private well owners Property managers & HOAs” source
- Prices: no price printed on the lab’s website when we read it on 14 Nov 2026: ask for a quote.
From the lab’s own website, read 14 Nov 2026 and re-read by a second checker; next check due by 12 Feb 2027. Certification fields come from the state list only.
Nearest labs that take homeowner samples
5 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 |
|---|---|---|---|---|---|---|
| SGS- Livonia (formerly RTI) Coliform / E. coli, PFAS | Livonia, MI | 16 mi | 1 | – | – | lab’s own website, read 14 Nov 2026 |
| Oakland Co. Health Division Laboratory Coliform / E. coli, Nitrate, Arsenic, Lead | Pontiac, MI | 17 mi | 1 | – | – | Michigan list |
| Paragon Laboratories, Inc. Coliform / E. coli, Nitrate, Arsenic, Lead, PFAS | Livonia, MI | 18 mi | 1 | from $19 | – | lab’s own website, read 14 Nov 2026 |
| Accurate Analytical Testing, LLC Lead | Romulus, MI | 20 mi | 0 | – | – | California list |
| Aqua Test Laboratories Coliform / E. coli, Nitrate, Arsenic, Lead | White Lake, MI | 23 mi | 1 | from $30 | TURNAROUND TIME 2 Business days | lab’s own website, read 14 Nov 2026 |
Price and turnaround as printed on each lab’s own website and checked by a second reader; – = not published or not read yet.
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 Michigan 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).
EGLE - State of Michigan Certified Laboratories: Microbiological. Fetched 2026-11-15 (UTC). File SHA-256 3f166e811916…
Open the official source list