Well water testing in St. Clair County, MI
St. Clair County Health Department in Port Huron tests well water. A bacteria test on a sample you take is $25. Staff can take samples for $55 each. Call Environmental Health to get a bottle and drop-off details. The state lab in Lansing offers more tests.
- Bacteria test
- $25
- Sample
- You or staff take the sample
Where to get your well tested
St. Clair County Health Department, Environmental Health Division
| Bacteria (Bac-T), sample you collectcoliform bacteria | $25 |
| Water sample collected by health department staffCharged for each water sample that health department staff collect. | $55 |
| Well evaluation, 2 samples (bacteria and partial chemistry)coliform bacteria and other itemsStaff evaluate the well and take the samples. The price includes the state lab fee and shipping. | $321 |
| Well evaluation, 3 samples (bacteria, partial chemistry and arsenic)coliform bacteria, arsenic and other itemsStaff evaluate the well and take the samples. The price includes the state lab fee and shipping. | $351 |
All 6 tests and prices
| Well evaluation, 3 samples (bacteria, partial chemistry, lead and copper)coliform bacteria, lead, copper and other itemsStaff evaluate the well and take the samples. The price includes the state lab fee and shipping. | $363 |
| Well evaluation, 4 samples (bacteria, partial chemistry, lead and copper, arsenic)coliform bacteria, lead, copper, arsenic and other itemsStaff evaluate the well and take the samples. The price includes the state lab fee and shipping. | $398 |
- Who takes the sample
- You or staff take the sample. Staff visit: $55
- Getting a bottle
- Call Environmental Health to ask how to get a sample bottle.
- Returning the sample
- Call Environmental Health to ask where and when to bring in your sample.
- Good to know
- A combined septic and well evaluation costs $431 to $508, depending on the tests. A permit for a new private well is $225, which includes a $55 water sample.
- Address
- 220 Fort Street, Port Huron, MI 48060
Michigan EGLE Drinking Water Laboratory (state lab)
| Total coliform and E. colicoliform bacteria and E. coli | $23 |
| Sample preparation feeAdded once per sample for metals, hardness, partial chemistry and some other tests. | $13 |
| ArsenicarsenicPlus a $13 sample preparation fee per sample. | $15 |
| UraniumuraniumPlus a $13 sample preparation fee per sample. | $15 |
All 14 tests and prices
| Lead and copperlead and copperPlus a $13 sample preparation fee per sample. | $30 |
| HardnesshardnessCalcium, magnesium and calculated hardness. Plus a $13 sample preparation fee per sample. | $30 |
| Nitrate and nitritenitrate and nitrite | $41 |
| Partial chemistryCalcium, chloride, fluoride, hardness, iron, magnesium, nitrate, nitrite, sodium and sulfate. Plus a $13 sample preparation fee per sample. | $66 |
| Partial metalsarsenic, copper, iron, lead, manganese and other itemsArsenic, copper, iron, lead, manganese and zinc. Plus a $13 sample preparation fee per sample. | $81 |
| Complete metalsarsenic, copper, iron, lead, manganese and other itemsAntimony, arsenic, barium, beryllium, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, selenium, thallium and zinc. Plus a $13 sample preparation fee per sample. | $136 |
| Volatile organic compounds (VOCs)VOCs | $147 |
| 1,4-Dioxaneother items | $169 |
| Pesticides and aromatic compoundspesticides | $183 |
| PFASPFAS | $320 |
- Who takes the sample
- You take the sample
- Getting a bottle
- Call the lab to order a test kit. You can have it shipped to your home, or pick it up at the lab in Lansing at a time you book. Allow about a week for the order, plus shipping. Use only the lab's bottles.
- EGLE Drinking Water Laboratory, 3350 N. Martin Luther King Jr. Blvd., Lansing
- Returning the sample
- Fill out the form completely; samples with incomplete forms are rejected. Ship the sample overnight (UPS Next Day Air, USPS Priority Mail Express or FedEx Priority Overnight) on the same day you take it, Monday to Wednesday only. Or bring it to the lab in Lansing; call first to book a drop-off time. Bacteria samples are not accepted on Fridays.
- Drop-off hours
- Monday to Thursday, 8am to 4:30pm; Friday, 8am to 3pm (by appointment only; no bacteria samples on Fridays)
- Time limit
- The sample must reach the lab within 24 hours of when you take it, so ship it the same day.
- By mail
- Yes, samples can be mailed.
- Results in
- Up to 10 business days after the lab gets the sample, plus mailing time.
- How you get results
- Results are mailed, and emailed if you give an email address. A copy also goes to your county health department, which can help explain them.
- Good to know
- The lab does not explain results. Call your county health department for help with what they mean.
- Address
- 3350 N. Martin Luther King Jr. Blvd., Lansing, MI 48906
Microbiology scheduling (special bacteria tests): 517-335-9814
Free and lower-cost testing
Free well water test kits (State of Michigan, 2023)
Who qualifies: Michigan residents with a private well
Free test kits for coliform bacteria, nitrate, nitrite, metals and other common contaminants. The $5 million fund ran out within a week of opening in September 2023.
Program pageWhat the health department recommends
The state recommends testing your well for coliform bacteria and nitrates every year. The Michigan health department also recommends testing for nitrite every year and for arsenic every 3 to 5 years.
This is the county or state health agency's own advice, not ours.
Rules that apply
- In Michigan, a new well must be tested when it is first put in. After that, testing is up to the well owner.
- In St. Clair County, you need a permit from the health department before you put in a private well.
Well owners are responsible for testing their own well water. For questions about a well, ask for the sanitarian who covers your area.
Well testing in St. Clair County: quick answers
How much does well water testing cost in St. Clair County?
St. Clair County Health Department, Environmental Health Division charges $25 for "Bacteria (Bac-T), sample you collect". A staff visit to take the sample costs $55. Prices are from the provider's own fee list, checked Oct 13, 2026.
Who tests well water in St. Clair County?
St. Clair County Health Department, Environmental Health Division tests private wells for residents. You can also use Michigan EGLE Drinking Water Laboratory (state lab).
How do I get a sample bottle in St. Clair County?
Call Environmental Health to ask how to get a sample bottle.
Checked Oct 13, 2026 against the provider's own pages. Fees and hours change, so call before you take a sample. Something wrong? corrections@wellwatertestfinder.com
Sources (12)
- stclaircounty.org/PageBuilder/scchd/Offices/586
- stclaircounty.org/PageBuilder/scchd/Uploads/005 EH Fee Schedule.pdf
- michigan.gov/egle/about/organization/remediation-and-redevelopment/laboratory/certifications
- michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/RRD/Lab/Microbiological-Laboratory-Certifications.pdf
- michigan.gov/egle/about/organization/Remediation-and-Redevelopment/laboratory/drinking-water
- michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/RRD/Lab/Water-Testing-Fee-Schedule.pdf
- michigan.gov/egle/public/services/drinking-water-testing
- michigan.gov/egle/faqs/drinking-water/testing
- michigan.gov/egle/-/media/Project/Websites/egle/Documents/Forms/RRD/Laboratory/EQP2300-02-Drinking-Water-Test-Request-Homeowner-Noncompliance.pdf
- michigan.gov/egle/about/organization/drinking-water-and-environmental-health/water-well-construction/private-well-testing
- michigan.gov/egle/newsroom/mi-environment/2023/10/16/free-water-tests-sell-out-quickly
- michigan.gov/egle/newsroom/mi-environment/2024/03/21/michigan-program-encourages-private-well-owners-to-prioritize-water-quality-testing