Licensed Septic Companies in Wright County, MN
32 septic companies serve Wright County, Minnesota, and 32 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 Wright County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Aerobic septic systems · Installation cost · Pumping cost
32 septic companies in Wright County
Buffalo 6
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BGM Construction Inc
1261 10th St SE, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3841 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Bursch Outdoor Services Inc.
3504 10th St NE, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4170 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Jakes Excavating Incorporated
PO Box 374, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3363 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Otto Associates, Engineers & Land Surveyors, Inc
9 West Division St, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Designer) · #L831 (Minnesota Pollution Control Agency, verify)
Per state license: Perc testing
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Rolstad Construction Co
1855 20th St SE, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2112 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Wulf Excavating Inc.
1569 County Road 37 NW, Buffalo, MN 55313
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4157 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Annandale 4
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CK Septic Service & Toilet Rental LLC
14364 County Road 37 NW, Annandale, MN 55302
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2723 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Elfmann Excavating LLC
PO Box 1125, Annandale, MN 55302
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3691 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Flygare Excavating, LLC
8750 Ingram Ave NW, Annandale, MN 55302
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L4355 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Mares Excavating LLC
8344 State Hwy 55 NW, Annandale, MN 55302
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L902 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Saint Michael 4
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Duane's Septic Service, LLC
1205 Labeaux Ave NE, Saint Michael, MN 55376
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4286 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Metro General Services Inc
5790 Quam Ave NE, Saint Michael, MN 55376
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1546 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Patnode Brothers Inc
2841 Lander Ave NE, Saint Michael, MN 55376
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3843 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Schirmers Percolation Testing, Inc
951 Katydid Lane NE, Saint Michael, MN 55376
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L394 (Minnesota Pollution Control Agency, verify)
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider) · #L395 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
Hanover 3
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Bursch Bros Inc
PO Box 55, Hanover, MN 55341
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2424 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Kothrade Sewer Water & Excavating Inc
PO Box 210, Hanover, MN 55341
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer) · #L192 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation
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Rusty's Perculation Testing
11481 Riverview Rd NE, Hanover, MN 55341
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L810 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Perc testing
Maple Lake 3
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Ferrell Excavating Inc
11151 Hollister Ave NW, Maple Lake, MN 55358
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L489 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Melgaard Services
12576 Grover Ave NW, Maple Lake, MN 55358
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4069 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Minnesota Geotechnical Services, LLC
PO Box 771, Maple Lake, MN 55358
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L3203 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
Monticello 3
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Schluender Construction Inc
3331 90th St NE, Monticello, MN 55362
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L913 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Schmitz Excavating
13667 Meridian Ave N, Monticello, MN 55362
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer) · #L495 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation
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Steve 'O' Septic
14433 Clementa Ave NW, Monticello, MN 55362
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3125 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
Cokato 2
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Ashwill Companies
PO Box 664, Cokato, MN 55321
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4060 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Lindberg Excavating Inc.
895 Reardon Ave SW, Cokato, MN 55321
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4220 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Delano 2
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CDR Excavating Inc
10559 County Road 16, Delano, MN 55328
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3293 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Elmer J Peterson Company
5921 Dague Ave SE, Delano, MN 55328
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer) · #L219 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation
Howard Lake 2
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Morris Excavting & Drainage, LLC
1200 Commerce Blvd, Howard Lake, MN 55349
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L961 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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MSB Excavating & Tiling LLC
10366 County Road 6 SW, Howard Lake, MN 55349
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4501 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Montrose 1
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Hayes & Sons Inc
263 82nd St SE, Montrose, MN 55363
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L640 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
South Haven 1
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Honey Wagon Pumping LLC
13594 100th St NW, South Haven, MN 55382
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4117 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
Waverly 1
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Davis Excavating Inc
3590 25th St SW, Waverly, MN 55390
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3652 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
No listings match those filters.
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 Wright 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 Wright County: common questions
How many licensed septic companies are in Wright County, MN?
32 septic companies serve Wright County, Minnesota, and 32 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 Wright County?
8 of the 32 listings in Wright 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 Wright County?
23 listings in Wright 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.