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Crookston, Minnesota

Licensed Septic Companies in Crookston, MN

5 septic companies serve Crookston, Minnesota, and 5 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 Crookston

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

5 septic companies in Crookston

  • Agassiz Septic & Roll Off Services LLC

    916 Tuttle Ave PO Box 771, Crookston, MN 56716 · Polk County

    • 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 · Polk County

    • 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 · Polk County

    • 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 · Polk County

    • 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 · Polk County

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

    Per state license: Perc testing

    (218) 316-3629

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 Crookston and whether the permit fee is in their quote.

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

Septic companies in Crookston: common questions

How many licensed septic companies are in Crookston, MN?

5 septic companies serve Crookston, Minnesota, and 5 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 Crookston?

2 of the 5 listings in Crookston 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 Crookston?

2 listings in Crookston 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.