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Polk County, Minnesota

Licensed Septic Companies in Polk County, MN

11 septic companies serve Polk County, Minnesota, and 11 of them hold a Minnesota septic license or certification matched to the Minnesota Pollution Control Agency list (data as of October 2026).

Septic services in Polk County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Installation cost · Pumping cost

11 septic companies in Polk County

Crookston 5

  • Agassiz Septic & Roll Off Services LLC

    916 Tuttle Ave PO Box 771, Crookston, MN 56716

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4435 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 289-0348

  • Brault Construction LLC

    24751 330th St SW, Crookston, MN 56716

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3908 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 289-4393

  • Great Northern Septic, LLC

    28544 160th Ave SW, Crookston, MN 56716

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Inspector, Designer) · #L4100 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping · Installation · Inspection · Perc testing

    (218) 289-6524

  • Hensch's Septic Services LLC

    29808 270th St SW, Crookston, MN 56716

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L4128 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection · Perc testing

    (218) 770-6612

  • Widseth Smith Nolting & Assoc., Inc.

    216 S Main St, Crookston, MN 56716

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Designer) · #L1545 (Minnesota Pollution Control Agency, verify)

    Per state license: Perc testing

    (218) 316-3629

Fertile 2

  • Olson & Sons Excavating

    43666 102nd Ave SW, Fertile, MN 56540

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L1620 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 289-0224

  • Sandhill Septic and Excavating LLC

    3370 County Highway 1, Fertile, MN 56540

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4455 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 280-5669

McIntosh 2

  • Hedlund Backhoe Service

    235 Riverside Ave NE, McIntosh, MN 56556

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L2970 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 563-2722

  • Ryans Backhoe Service, LLC

    30219 270th Ave SE, McIntosh, MN 56556

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3371 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 280-0138

Fosston 1

  • Ace of Spades Septic Services and Porta Potty Rentals LLC

    31694 350th Ave SE, Fosston, MN 56542

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4518 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 689-7823

Mentor 1

  • Dustin Raaen

    36603 115th Ave SE, Mentor, MN 56736

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3327 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 637-0264

Septic licensing in Minnesota

Minnesota licenses septic (SSTS) businesses and certifies the individuals who work for them. The MPCA search shows each business's license, insurance and bond status. The Minnesota Pollution Control Agency (SSTS program) issues these credentials: SSTS business license (installer, maintainer, service provider, designer, inspector); Individual SSTS certifications.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Polk County and whether the permit fee is in their quote.

Minnesota septic licensing: agencies, license types and how to check a license →

Septic companies in Polk County: common questions

How many licensed septic companies are in Polk County, MN?

11 septic companies serve Polk County, Minnesota, and 11 of them hold a Minnesota septic license or certification matched to the Minnesota Pollution Control Agency list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.

Who licenses septic contractors in Minnesota?

Minnesota licenses septic (SSTS) businesses and certifies the individuals who work for them. The MPCA search shows each business's license, insurance and bond status. The licensing body is the Minnesota Pollution Control Agency (SSTS program).

Which companies pump septic tanks in Polk County?

4 of the 11 listings in Polk County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in Polk County?

6 listings in Polk County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Minnesota license.

How do I check a septic contractor's license in Minnesota?

Use the Minnesota Pollution Control Agency (SSTS program)'s lookup (https://webapp.pca.state.mn.us/ssts/) and search the contractor's name or license number. Our guide to checking a septic license walks through it.