Cook County Minnesota Septic Professionals
Research Cook County Subsurface Sewage Treatment Systems Professionals. Find septic installers, designers, inspectors & maintainers.
In Cook County's shoreland zones, often within 1,000 feet of lakes/ponds or 300 feet of rivers/streams, private subsurface sewage treatment systems (SSTS) are the norm, as municipal sewers are rare outside towns like Grand Marais. These systems treat wastewater on site, preventing pollutants from reaching Lake Superior or inland lakes, which are vital for fishing, recreation, and the local ecosystem. A failing system risks nutrient runoff leading to algae blooms, harming water quality in this ecologically sensitive area near the BWCAW and Lake Superior. Proper design, installation, and maintenance preserve property values, comply with strict shoreland rules, and protect the pristine environment that draws buyers to Cook County lake homes.
Many properties here are true waterfront retreats on private septic systems due to the rural, unincorporated nature of much of the county. Our directory below lists licensed professionals to help keep your system compliant and protect these sensitive waters. Contact our team for current Cook County lake home listings, active and coming soon properties, market comps, or valuation help!
Contact 218-387-3635 Cook County Planning & Zoning to follow-up.
The following list is provided purely as a resource.
License #601
G & G Septic, LLC
PO Box 907
Grand Marais, MN 55604
218-387-1572
Maintainer
12/18/2026
Pete A Gresczyk
License #611
Michael Rose Excavating
PO Box 52
Lutsen, MN 55612
218-663-7367
Installer, Designer
03/15/2027
Nicolas M Reineccius
License #651
Isak Hansen and Sons, Inc.
PO Box 69 4921 W Highway 61
Lutsen, MN 55612
218-663-7201
Installer, Designer
06/26/2026
Thomas W Dwyer
License #1116
Lamb Construction
PO Box 344
Schroeder, MN 55613
218-663-8017
Installer
12/02/2026
Charles T Lamb
License #2963
Gunflint Trail Excavating LLC
15 Crooked Pine Trl
Grand Marais, MN 55604
218-388-4449
Installer, Designer
06/04/2026
David T Tuttle
License #2967
Bloomquist Construction LLC
250 Bloomquist Mountain Rd
Grand Marais, MN 55604
218-387-2146
Installer, Designer
05/13/2026
Darin P Bloomquist
Kyle W Bloomquist
License #3218
Crawford Excavating LLC
28 East Pine Mountain Rd
Grand Marais, MN 55604
218-387-9011
Installer
10/16/2027
Richard H Crawford
License #3476
Laboda Grading Inc.
PO Box 1420
Grand Marais, MN 55604
218-475-2517
Installer
08/26/2026
Charlie W Laboda
License #3671
Aaron Matthew Smith
200 Devil Track Road
Grand Marais, MN 55604
218-370-2087
Installer
08/25/2026
Aaron M Smith
License #3996
Jed Smith Excavating and Septic LLC
1502 Gunflint Trl
Grand Marais, MN 55604
218-387-2933
Installer, Service Provider, Advanced Designer, Inspector
06/02/2026
Jason R Donek
Jedidiah M Smith
License #4102
Berneking Construction, LLC
120 Bents Rd
Grand Marais, MN 55604
218-387-2406
Installer
04/28/2026
Dean A Berneking
License #4133
Curtis Laboda
PO Box 44
Schroeder, MN 55613
218-370-8001
Installer
08/25/2026
Curtis M Laboda
License #4147
Rick Backstrom Excavating LLC
104 Wesley Ln
Grand Marais, MN 55604
218-387-9789
Installer
03/04/2029
Rick S Backstrom
License #4281
Netland Services
43 Gopher Run
Grand Marais, MN 55604
218-370-9338
Installer, Advanced Designer, Inspector
05/10/2026
Steven L Netland
License #4282
Skildum & Company LLC
6 Mopar Trl
Grand Marais, MN 55604
218-370-8516
Installer, Advanced Designer
04/17/2026
Steven L Netland
License #4316
Sugarloaf Property Maintenance LLC
764 Sugar Loaf Rd
Schroeder, MN 55613
Installer, Designer
07/17/2026
Nicholas A Olson
License #4344
SJ Bautch Construction, LLC
1305 E Highway 61
Grand Marais, MN 55604
218-387-9005
Installer, Designer
10/19/2026
Stanley J Bautch Jr
License #4374
A&M Construction LLC
2027 W Highway 61
Grand Marais, MN 55604
218-370-9980
Installer, Designer
07/01/2026
Marice L Zimmer
License #4479
Charles VanDoren
20 Schroeder Tote Rd
Schroeder, MN 55613
218-370-0679
Installer
12/15/2026
Charles A Van Doren
Cook County Waterfront Active and Coming Soon Properties with Private Septic Systems Above $100,000 listed below.
Contact our Team for Additional Comps and a Market Valuation.