Federal & State Agencies

Northern Lake Service, Inc. is an SBA HUBZone certified, small-business.  We have been serving State and Federal agencies since the mid-1970s and have a strong track record of meeting or exceeding project expectations.


We are TNI/NELAP approved and hold a number of other certifications and approvals.  We maintain a high level of electronic communication capabilities from CLP data deliverables to ACH accounts receivable.


Our commitment to emerging technologies gives us the opportunity to provide not only standard compliance testing but also many highly specialized tests. Call today to find out how we might be able to assist with your next project.


Government Purchasers can visit our GSA Advantage page



Some Agencies that NLS Serves:



  • US - Environmental Protection Agency

  • US - Food and Drug Administration

  • US - Department of the Interior - Bureau of Reclamation

  • US - Department of Agriculture - National Forest Service

  • United States Navy

  • The United States Air Force

  • Indian Health Services

  • Alaska Department of Environmental Conservation

  • Georgia Department of National Resources

  • Missouri Department of Natural Resources

  • State of Mississippi Bureau of Public Water Supply



During the past decade, over half of all municipalities in the state of Wisconsin have trusted Northern Lake Service, Inc with their compliance testing.


Whether it is drinking water, wastewater, pretreatment, groundwater, or a special project, NLS has been the obvious choice for the cities and towns of our state. Superior client service and years of experience provide our customers with a smooth process to address their monitoring requirements.


The vast majority of testing is performed on-site with state-of-the-art instrumentation. Clients get a single point of contact and can go directly to the analysts who worked on their samples. No wading through layers of people to find answers.  


Our commitment to data quality has earned the respect and confidence of the regulatory community. Our willingness to go to bat on complex compliance issues is an added bonus for our customers. We offer a variety of sample pickup options and assistance with sampling. We meet all electronic data submittal requirements for the state of Wisconsin.


Below are some of the compliance testing we offer:


  • Safe Drinking Water Act compliance (NR 809, UCMR)

  • Wastewater Discharge compliance (NR 206, NR 210

  • Pretreatment monitoring (NR 211)

  • Municipal landfill monitoring and groundwater sampling (NR 140, NR 507)

  • Stormwater (NR 528)

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NLS logo
400 North Lake Ave,
Crandon WI 54520
T: 1-800-278-1254
F: 715-478-3060


Monday – Friday 7:00-4:00

Accepting bacteria samples Monday – Thursday 7:00-4:00, Friday 7:00-12:00

Metro Milwaukee Office
2420 N Grandview Blvd.
Waukesha, WI 53188
T: 262-547-3406
F: 262-547-3172

Monday – Friday 8:00-4:00

Accepting bacteria samples Monday – Thursday 8:00-4:00, Friday 8:00-12:00

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