Cass County, Minnesota

Licensed Septic Companies in Cass County, MN

40 septic companies serve Cass County, Minnesota, and 40 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 Cass County

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

40 septic companies in Cass County

Pine River 5

  • April Thompson

    1365 12th St SW, Pine River, MN 56474

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector) · #L4433 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection

    (218) 851-3410

  • Honer Excavating Inc

    PO Box 676, Pine River, MN 56474

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2646 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (320) 363-1227

  • Martys Landscaping

    2458 40th Ave SW, Pine River, MN 56474

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2542 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 587-2805

  • North Fork Boulders & Excavating

    5253 55th Ave SW, Pine River, MN 56474

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2921 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 587-3383

  • Schrupp Excavating LLC

    3003 36th St SW, Pine River, MN 56474

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L747 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 587-4038

Walker 5

  • Aletto Onsite/Design

    8312 Sautbine Rd NW, Walker, MN 56484

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L808 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection · Perc testing

    (218) 839-9919

  • Boulder Excavating LLC

    PO Box 1495, Walker, MN 56484

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2938 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 820-4435

  • Piprude Excavating LLC

    3508 64th St NW, Walker, MN 56484

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2046 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 836-2214

  • T & C Excavating

    PO Box 73, Walker, MN 56484

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1920 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 547-2886

  • Winter Septic LLC

    PO Box 51, Walker, MN 56484

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L4268 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection · Perc testing

    (218) 252-4790

Backus 3

  • Day's Sewer Service LLC

    218 State 371 SW, Backus, MN 56435

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer) · #L3288 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping · Installation

    (218) 947-3139

  • Northland Septic Maintenance Inc

    4207 16th St NW, Backus, MN 56435

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Service Provider, Inspector, Designer) · #L549 (Minnesota Pollution Control Agency, verify)

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

    (218) 675-5999

  • Top Notch Septic LLC

    303 King St N, Backus, MN 56435

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L4465 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 851-3577

Hackensack 3

  • Shafer Excavating

    3109 State Hwy 371 NW, Hackensack, MN 56452

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L1712 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 675-6776

  • Slick Nick Septic LLC

    3342 County 45 NW, Hackensack, MN 56452

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L4307 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection · Aerobic systems · Perc testing

    (320) 292-3757

  • Young Excavating Inc

    PO Box 400, Hackensack, MN 56452

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L44 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 675-6909

Longville 3

  • M & M Landscaping & Excavating LLC

    77 County Rd 11 NW PO Box 87, Longville, MN 56655

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4403 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 682-2304

  • Scc LLC

    PO Box 46, Longville, MN 56655

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L4245 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (612) 221-4548

  • Welk Excavating Inc

    3557 Bluebill Trl NE, Longville, MN 56655

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3018 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 820-0483

Motley 3

  • PHB Excavating LLC

    11865 79th Ave SW, Motley, MN 56466

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L2053 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 639-5007

  • Tri-County Septic Inspections

    10851 65th Ave SW, Motley, MN 56466

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector) · #L2776 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection

    (218) 352-6903

  • Ultimate Septic Service LLC

    11561 79th Ave SW, Motley, MN 56466

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4391 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 296-1137

Nisswa 3

  • Fyle's Portables

    PO Box 125, Nisswa, MN 56468

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2261 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 820-3693

  • Rardin Excavating Inc

    10980 County Road 77 SW, Nisswa, MN 56468

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L364 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 828-0653

  • Rasinski Excavating Inc

    10775 Pinewood Dr SW, Nisswa, MN 56468

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L133 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 825-8609

Pequot Lakes 3

  • Lake Country Septic Pumping Services LLC

    3387 44th St SW, Pequot Lakes, MN 56472

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4015 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 513-8679

  • T&S Excavating

    2308 91st St SW, Pequot Lakes, MN 56472

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector) · #L2314 (Minnesota Pollution Control Agency, verify)

    Per state license: Inspection

    (218) 568-8808

  • Westin Property Development LLC

    PO Box 330, Pequot Lakes, MN 56472

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4077 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 839-3099

Pillager 3

  • Bodell Landscape & Excavation

    2481 Wilderness Dr SW, Pillager, MN 56473

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3883 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 851-8034

  • Carlson Septic LLC

    11530 57th Ave SW, Pillager, MN 56473

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4362 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 839-9694

  • VanVickle Excavating LLC

    11685 53rd Ave SW, Pillager, MN 56473

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4062 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 838-4805

Remer 3

  • Al Nystrom Construction LLC

    PO Box 354, Remer, MN 56672

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L1676 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 820-0558

  • LnL Excavating LLC

    7276 64th Ave NE, Remer, MN 56672

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4414 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 839-5229

  • Ruyak Enterprises Inc

    6909 State 6 NE, Remer, MN 56672

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3206 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 566-2913

Deer River 2

  • Gielen Construction Services

    11901 88th Ave NE, Deer River, MN 56636

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L2748 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 566-1361

  • Gielen Excavating

    11292 88th Ave NE, Deer River, MN 56636

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L1745 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Perc testing

    (218) 244-3608

Brainerd 1

  • Clark Excavating, LLC

    1515 120th St SW, Brainerd, MN 56401

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L149 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation

    (218) 829-8718

Cass Lake 1

  • Dale's Septic

    6113 136th St NW, Cass Lake, MN 56633

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4352 (Minnesota Pollution Control Agency, verify)

    Per state license: Pumping

    (218) 766-8575

Federal Dam 1

  • W C Peterson Excavating LLC

    1115 County Road 8 NE, Federal Dam, MN 56641

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider, Inspector, Designer) · #L417 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Aerobic systems · Perc testing

    (218) 654-5282

Outing 1

  • Cass County Construction Corp

    PO Box 74, Outing, MN 56662

    • Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L2205 (Minnesota Pollution Control Agency, verify)

    Per state license: Installation · Inspection · Perc testing

    (218) 792-5666

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 Cass 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 Cass County: common questions

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

40 septic companies serve Cass County, Minnesota, and 40 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 Cass County?

7 of the 40 listings in Cass 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 Cass County?

29 listings in Cass 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.