Laboratory

  • Performing microbiological and chemical testing of the City’s distribution system
  • Analyzing the wastewater treatment plant’s influent and effluent for permit requirements
  • Conducting microbiological testing for area municipalities, contractors, and citizens for drinking and surface water

The U.S. EPA Safe Drinking Water Act requires that public water supply samples be tested by a certified laboratory. In Michigan, laboratory accreditations are performed by State of Michigan staff.

MDEQ Certified Lab for Drinking Water:

  • Total Coliform/E. Coli (P/A)
  • E. Coli (Enumeration)
  • Nitrate
  • Nitrite
  • Lead, Copper, Nickel

Contract Laboratory Hours & Location:

Address: 1121 Plett Road Cadillac, MI - Laboratory Phone Number 231-775-2368

Regular Lab Operating Hours: 7:00 AM to 3:00 PM ; Monday through Wednesday

Regular Sample Receiving Hours: 7:00 AM to 3:00 PM ; Monday through Thursday

Regular Reporting Turnaround - 10 Business Days

Contract Laboratory Fees: Effective(1/3/22)

ParameterContainerPreservationHold TimePrice (Per Sample)
Water Coliforms, Total and E. Coli-P/APlastic - Sterile with Sodium Thiosulfate

Less than 6°C

24 hours

$22.00

Water Coliforms, Total and E. Coli - MPNPlastic - Sterile with Sodium Thiosulfate

Less than 6°C

24 hours

$25.00

Fecal Coliform - MPNPlastic -Sterile

Less than 6°C

8 hours

$25.00

Nitrate

Plastic/Glass

Less than 6°C

48 hours

$22.00

NitritePlastic/GlassLess than 6°C48 hours$22.00
Lead/Copper - Drinking Water

Plastic

HNO3 to pH Less than 2

Less than 6°C

6 months

$50.00

Metals - Ag,Cd,Cr,Cu,Mo,Ni,Pb,Se,Zn
(Per Metal)

Plastic


HNO3 to pH Less than 2

Less than 6°C

6 months

$25.00

Metals Digestion

N/A

N/A

N/A

$30.00

Ammonia

Plastic/Glass

H2SOto pH Less than 2

Less than 6°C

28 days


$23.00


pH

Plastic/Glass

None

Analyze Immediately

$12.00

Phosphorus

Plastic/Glass


H2SOto pH Less than 2

Less than 6°C

28 days

$23.00

Specific Conductivity

Plastic/Glass

None

7 days

$12.00

Solids, Total or Suspended

Plastic/Glass

Less than 6°C

7 days

$15.00

Solids, VolatilePlastic/GlassLess than 6°C7 days$17.00
BOD

Plastic/Glass

Less than 6°C

48 hours

$25.00

CBODPlastic/GlassLess than 6°C48 hours$35.00
Microscope Slide ScreeningPlastic/GlassLess than 6°C24 hours$75.00


Weekend/Holiday Surcharge = $50/day

After Hours Surcharge =$30

Expedited Turnaround Surcharge: 1-3 business days =$60

Expedited Turnaround Surcharge: 4-7 business days = $30

Type I / Type II drinking water samples dropped off <10 business days before regulatory due date may be  assessed minimum $30 Expedited Turnaround Surcharge