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Certified Water Testing Labs in Iowa

17 Iowa labs certified by the Iowa Department of Natural Resources (DNR) Laboratory Certification Program for drinking water testing: 11 commercial labs, 3 State Hygienic Laboratory locations and 3 county or district public health labs. Labs are sorted by city.

Iowa's public list shows which programs a lab is certified in, not each individual test. Call the lab to confirm it's certified for the test you need, such as coliform bacteria or nitrate, and that it accepts private well samples.

State Hygienic Laboratory - Ankeny

State Hygienic Laboratory (state public health lab)
2220 South Ankeny Blvd., Ankeny, IA 50023
515-725-1600
Certification programs (5)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Municipal Sludge (503b), Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Eurofins - Cedar Falls

Commercial or private lab
3019 Venture Way, Cedar Falls, IA 50613
319-277-2401
Certification programs (7)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Municipal Sludge (503b), Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water), UST (Soil & Sludge), UST (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Linn County Public Health Department

County or district public health lab
1020 6th St SE, Cedar Rapids, IA 52401
319-892-6000
Certification programs (1)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Microbac Laboratories - Centerville

Commercial or private lab
205 E Van Buren St, Centerville, IA 52544
641-437-7023
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Foundation Analytical Laboratory

Commercial or private lab
723 Sleezer Road, Cherokee, IA 51012
712-225-6989
Certification programs (4)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Municipal Sludge (503b), Nonpotable Water, Solid Waste/Contaminated Sites (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

State Hygienic Laboratory - Coralville

State Hygienic Laboratory (state public health lab)
2490 Crosspark Ave, Coralville, IA 52241
319-335-4500
Certification programs (6)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water), UST (Soil & Sludge), UST (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Quad Cities Metallurgical Laboratory

Commercial or private lab
17048 215th Street, Davenport, IA 52806
563-386-7827
Certification programs (1)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Dubuque County Health Department

County or district public health lab
1225 Seippel Road, Dubuque, IA 52002
563-557-7396
Certification programs (1)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

AgSource

Commercial or private lab
1701 Detroit St., Ellsworth, IA 50075
515-297-8103
Certification programs (4)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

QC Analytical Services

Commercial or private lab
1798 Iowa Drive, Le Claire, IA 52753
563-289-3373
Certification programs (5)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Municipal Sludge (503b), Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

ChemRight Laboratories

Commercial or private lab
117 N. Main St., Maquoketa, IA 52060
563-652-4226
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

State Hygienic Laboratory - Lakeside

State Hygienic Laboratory (state public health lab)
Iowa Lakeside Laboratory, Milford, IA 51351
712-337-3669
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Ion Environmental Solutions

Commercial or private lab
4500 25th ST South, Muscatine, IA 52761
563-299-2214
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Microbac Laboratories - Newton

Commercial or private lab
600 East 17th Street South, Newton, IA 50208
641-792-8451
Certification programs (7)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Municipal Sludge (503b), Nonpotable Water, Solid Waste/Contaminated Sites (Soil & Sludge), Solid Waste/Contaminated Sites (Water), UST (Soil & Sludge), UST (Water).

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Analytical & Consulting Services

Commercial or private lab
205 Sergeant Square Dr, Sergeant Bluff, IA 51054
712-943-4888
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Siouxland District Health Department

County or district public health lab
1014 Nebraska Street, Sioux City, IA 51105
712-234-3908
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Microbac Laboratories - Waterloo

Commercial or private lab
3012 Ansborough Ave, Waterloo, IA 50701
319-235-4440
Certification programs (2)Drinking water
  • Drinking Water (Safe Drinking Water Act compliance testing)

Also certified in these Iowa programs: Nonpotable Water.

From the Iowa DNR list of certified labs, checked 2026-11-03. Iowa's public list shows certification programs, not individual tests, so ask the lab which tests (bacteria, nitrate, arsenic and so on) it's certified for.

Source: Iowa DNR Laboratory Certification, List of Certified Labs, checked 2026-11-03. Utility, wastewater and industrial labs that test only their own systems, and labs outside Iowa, are left out.