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Labs accredited for drinking water

Accredited for the drinking water matrix. Confirm the specific tests you need. 272 listed so far.

100 locationsSource: state lab accreditation records

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Wisconsin 25Ohio 21Minnesota 15Massachusetts 9Winnebago County, WI 7Baltimore, MD 6Milwaukee, WI 6New Haven County, CT 5Maryland 5Hennepin County, MN 5Green Bay, WI 5Fairfield County, CT 4Pennsylvania 4Walworth County, WI 4Washington County, WI 4Wood County, WI 4Connecticut 3Hartford County, CT 3Essex County, MA 3Baltimore city, MD 3Cincinnati, OH 3Franklin County, OH 3Hamilton County, OH 3Summit County, OH 3Door County, WI 3Douglas County, WI 3Madison, WI 3Milwaukee County, WI 3Oshkosh, WI 3Ozaukee County, WI 3Port Washington, WI 3Racine County, WI 3Stevens Point, WI 3Superior, WI 3Waukesha County, WI 3Stratford, CT 2Aberdeen, MD 2Annapolis, MD 2Anne Arundel County, MD 2Carroll County, MD 2Charles County, MD 2Frederick County, MD 2Frederick, MD 2Harford County, MD 2Prince George's County, MD 2Queen Anne's County, MD 2Salisbury, MD 2Stevensville, MD 2Towson, MD 2Washington County, MD 2Wicomico County, MD 2Anoka County, MN 2Crow Wing County, MN 2St. Louis County, MN 2Virginia, MN 2Canton, OH 2Cleveland, OH 2Cuyahoga County, OH 2Geauga County, OH 2Montgomery County, OH 2Stark County, OH 2Tuscarawas County, OH 2Youngstown, OH 2Antigo, WI 2Appleton, WI 2Ashland County, WI 2Ashland, WI 2Bayfield County, WI 2Crandon, WI 2Eau Claire County, WI 2Eau Claire, WI 2Forest County, WI 2Janesville, WI 2Kenosha County, WI 2Kenosha, WI 2Kewaunee County, WI 2La Crosse County, WI 2La Crosse, WI 2Manitowoc County, WI 2Marathon County, WI 2Marshfield, WI 2Menasha, WI 2Menomonie, WI 2Neenah, WI 2Outagamie County, WI 2Racine, WI 2Reedsburg, WI 2St. Croix County, WI 2Vernon County, WI 2Waukesha, WI 2Wisconsin Rapids, WI 2Baltimore County, MD 1Mahoning County, OH 1Brown County, WI 1Dane County, WI 1Dunn County, WI 1Langlade County, WI 1Portage County, WI 1Rock County, WI 1Sauk County, WI 1

Before you choose, read our guide: What should you test your well water for?

Drinking water: 272 listed

AA

Aberdeen Advanced Wastewater Treatment Plant Laboratory

361 Michael Lane, Aberdeen, MD

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(410) 272-2650Directions
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AW

Abingdon Water Treatment Plant Laboratory

3340 Abingdon Road, Abingdon, MD

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(410) 638-3939Directions
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AW

Ashland Wastewater Treatment Plant

1901 Knight Rd, Ashland, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(715) 209-7194Directions
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BH

Baileys Harbor Wastewater Treatment Facility

2605 Summit Rd, Baileys Harbor, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(920) 839-2037Directions
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AW

Ashburton Water Quality Laboratory

3001 Druid Park Drive, Baltimore, MD

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(410) 396-0150Directions
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BC

Baltimore County Bureau of Utilities Engineering & Regulation Lab

4419 Bucks School House Road, Baltimore, MD

State-accredited labDrinking waterChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(410) 887-5489Directions
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MW

Montebello Water Quality Laboratory

3901 Hillen Road, Baltimore, MD

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(410) 396-6040Directions
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GC

Greene County Sanitary Engineering Laboratory

422 Factory Road, Beavercreek, OH

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(937) 562-7450Directions
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LC

Logan County Health District Laboratory

310 South Main Street, Bellefontaine, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(937) 592-9040Directions
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BW

Beloit Water Pollution Control Facility

555 Willowbrook Rd, Beloit, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(608) 364-5727Directions
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SW

Sebring Water Department Laboratory

1191 Knox School Road, Beloit, OH

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(330) 821-7020Directions
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BW

Bristol Wastewater Treatment Plant

8025 195th Ave, Bristol, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(262) 857-2368Directions
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BW

Brookfield Water Utility

19700 Riverview Dr, Brookfield, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(262) 796-6717Directions
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BW

Bryan Water Plant Laboratory

841 East Edgerton Street, Bryan, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(419) 633-6160Directions
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CB

City of Burlington Utilities

2100 S Pine St, Burlington, WI

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(262) 539-3646Directions
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CC

Canton City Health Department

420 North Market Avenue, Canton, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(330) 489-3231Directions
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CW

Canton Water Laboratory

2664 Harrisburg Road NE, Canton, OH

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(330) 489-3035Directions
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CW

Celina Water Department Laboratory

714 South Sugar Street, Celina, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(419) 586-2270Directions
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GC

Geauga County Department of Water Resources

470 Center Street, Building 3, Chardon, OH

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(440) 285-2603Directions
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CM

Cincinnati Miller WTP Laboratory

5651 Kellogg Avenue, Cincinnati, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(513) 624-5600Directions
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CW

Circleville WTP Laboratory

663 Island Road, Circleville, OH

State-accredited labDrinking waterBacteria testingChemical testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(740) 477-8242Directions
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CW

Cleveland Water Compliance Laboratory

1245 West 45th Street, Cleveland, OH

State-accredited labDrinking waterBacteria testingPublic or utility lab

Public water system lab. Many don't accept private well samples, so call first.

(216) 664-3171Directions
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Just need a lab? Every certified lab is listed above with directions.