Licensed Septic Companies in St. Louis County, MN
99 septic companies serve St. Louis County, Minnesota, and 99 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 St. Louis County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Aerobic septic systems · Installation cost · Pumping cost
99 septic companies in St. Louis County
Duluth 30
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A & T Excavation
5983 Taft Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider) · #L3156 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Aerobic systems
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Big Lake Contracting LLC
PO Box 3160, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3905 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Brent's Septic Service, LLC
5381 Samuelson Rd, Duluth, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2833 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Butch Seeley Excavating LLC
5727 Arnold Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L916 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Cedar Drive Excavating Inc
6277 Jean Duluth Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1559 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Contour Inc.
5816 Ryan Rd, Duluth, MN 55804
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4299 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Digger DJ, Inc.
5776 Rice Lake Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L1613 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Dirt Work Specialists, LLC
4881 W Pioneer Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2918 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Duluth Sewer & Septic Corporation
2980 W Lookout Rd, Duluth, MN 55804
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4473 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Eagle Lake Excavating LLC
6029 Eagle Lake Road, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2340 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Gene's Septic
4759 Lavaque Bypass Rd, Duluth, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3364 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Great Lakes Excavating, Inc.
4788 Rice Lake Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2937 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Greg Kunst Construction Inc
3339 Oak St, Duluth, MN 55804
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1821 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Hedberg Excavating LLC
6060 Jean Duluth Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L993 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Holman Contracting Incorporated
4862 W Pioneer Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1669 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Jeff Crosby
1608 Middle Rd, Duluth, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L2928 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Perc testing
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Levine & Son Inc
3453 Zimmerman Rd, Duluth, MN 55804
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1064 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Midway Sewer Service
6230 Grand Ave, Duluth, MN 55807
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4520 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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North Shore Sanitary
8815 East Superior St, Duluth, MN 55804
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L1783 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Northern Environmental Solutions LLC
3867 Sandberg Rd, Duluth, MN 55810
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Inspector, Designer) · #L4072 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation · Inspection · Perc testing
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Northern Lakes Septic LLC
5327 Ugstad Junction Rd, Duluth, MN 55810
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector) · #L4463 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems
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Peterson Excavating and Landscaping LLC
5797 Kehtel Rd, Duluth, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3208 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Peterson Septic Pumping, LLC
4243 Fayre Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3260 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Premier Companies, Inc.
132 N 34th Ave W, Duluth, MN 55807
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4322 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Semper Fi Excavation LLC
3020 E Superior St, Duluth, MN 55812
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4526 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Spectrum Research, Inc.
211 Mygatt Ave, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L2215 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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Steve's Septic Pumping Service Inc
6290 Lavaque Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2987 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Superior Construction Company Inc of Duluth Minnesota
1804 Tyrol St, Duluth, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1195 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Swampthing Environmental LLC
4057 Emerson Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L2142 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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Viele Contracting Inc.
5064 Reid Rd, Duluth, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4314 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Ely 12
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AJR Ely Inc
1485 Grant McMattan Blvd, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2744 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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E-Z Excavating, Inc.
PO Box 202, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L490 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Hegfors, Inc.
1346 E Camp St, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2342 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Kris Nyman Excavating
1124 E Chapman St, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4136 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Marshall Hinden Contracting Inc
1188 Highway 169, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L163 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Northern Geoseptic Inc
201 E Boundary St, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L4321 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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Ralph Swanson Company, Inc.
PO Box 57, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1288 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Robert Tisovich
1012 East Harvey St, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2777 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Schulze Excavating Inc
PO Box 608, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L1826 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Skala Excavating
PO Box 515, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L275 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Vigilante Works LLC
2847 Cedar Lake Rd, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider) · #L4456 (Minnesota Pollution Control Agency, verify)
Per state license: Aerobic systems
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Warren Johnson Logging, Inc.
1003 South 2nd Ave E, Ely, MN 55731
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L2407 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
Cook 6
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Bodri Enterprises, Inc.
8675 Highway 115, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L4284 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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H & M Earth Works LLC
8442 Nylund Rd, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4459 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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JP Dirt Work LLC
9243 Armstrong Rd, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L4453 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Northern Waters Constructions, Inc.
1817 Highway 53, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3674 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Vermilion Construction Inc
7831 Oak Narrows Rd, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1230 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Viitas Excavating Inc
10520 Buboltz Rd, Cook, MN 55723
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Service Provider, Inspector, Designer) · #L1724 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation · Inspection · Aerobic systems · Perc testing
Saginaw 6
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Brent's Biffies, Inc.
4771 Caribou Lake Rd, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3863 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Duluth Excavating & Septic Services LLC
5123 Tuhkanen Dr, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L4380 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Ground Effects Directional Drilling
5816 Highway 53, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2363 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Hoss Construction LLC
4793 Highway 33, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L4115 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Meadows Inc.
5850 Munger Shaw Rd, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4330 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Shelton Excavating Inc
PO Box 94, Saginaw, MN 55779
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L859 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Chisholm 5
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Frank Sever Dirt Works, LLC
5609 Sever Rd, Chisholm, MN 55719
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L4295 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Kenneth Tolonen Excavating
11204 Tolonen Rd, Chisholm, MN 55719
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L2117 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Leustek Sand & Gravel Company
5525 Highway 73 N, Chisholm, MN 55719
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L558 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Miskulin Construction Inc
23 NE 10th St, Chisholm, MN 55719
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L2694 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Sinko Excavating & Septic LLC
714 NW 7th St, Chisholm, MN 55719
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L936 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
Embarrass 5
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Boundary Waters Septic, LLC
7854 Hilltop Rd, Embarrass, MN 55732
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4160 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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C & C Winger Inc
7854 Highway 135 N, Embarrass, MN 55732
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2662 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Debeltz Septic Design
5341 Wahlsten Rd, Embarrass, MN 55732
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Designer) · #L4255 (Minnesota Pollution Control Agency, verify)
Per state license: Perc testing
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MNM Excavating Inc
5275 Road 70, Embarrass, MN 55732
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider, Designer) · #L3124 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Aerobic systems · Perc testing
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Peterson and Sons Septic Services LLC
5384 Road 70, Embarrass, MN 55732
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4332 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
Hibbing 4
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Bougalis Construction Inc
800 Greyhound Blvd, Hibbing, MN 55746
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L2695 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Emerging Technical Group Inc
3024 Anderson Rd, Hibbing, MN 55746
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider, Inspector, Designer) · #L2386 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Aerobic systems · Perc testing
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George Bougalis & Sons Company
3402 15th Ave E, Hibbing, MN 55746
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L102 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Portable John
1100 Greyhound Blvd, Hibbing, MN 55746
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4076 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
Angora 3
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Chad Stone Excavating
9192 Samuelson Rd, Angora, MN 55703
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2469 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Josh Antus Construction Company Inc
9272 Savage Rd, Angora, MN 55703
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L2705 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Phillips Excavating LLC
9147 Savage Rd, Angora, MN 55703
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4521 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Floodwood 3
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Cedar Valley Dirt Worx LLC
7866 Highway 73, Floodwood, MN 55736
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4546 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Cornerstone Excavation LLC
6109 Highway 73, Floodwood, MN 55736
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4478 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Piontek Construction Inc
11406 Public Access Rd, Floodwood, MN 55736
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L1182 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
Hermantown 3
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ATK Enterprises Inc.
4537 Lavaque Bypass Road, Hermantown, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4368 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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MN Environmental Solutions LLC
5581 Saint Louis River Rd, Hermantown, MN 55810
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4404 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Steve Snyder Construction Inc
4893 Anderson Rd, Hermantown, MN 55811
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2191 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Babbitt 2
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Larry Marks Trucking
3059 County Road 904, Babbitt, MN 55706
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L1831 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Ledgerock Landscaping & Excavating LLC
1865 Boundary St, Babbitt, MN 55706
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4408 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Britt 2
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JJZ Excavating
8634 Donnywood Cir, Britt, MN 55710
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3035 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Orton Construction and Consulting LLC
7182 N Dark Lake Rd, Britt, MN 55710
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider, Inspector, Designer) · #L1236 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Aerobic systems · Perc testing
Gheen 2
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Jeffrey D Lindell
2384 Niemi Rd, Gheen, MN 55771
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L3919 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Udovich Enterprises LLC
12503 Sethers Rd, Gheen, MN 55771
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Designer) · #L4243 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation · Perc testing
Iron 2
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American Septic LLC
8842 Highway 37, Iron, MN 55751
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4292 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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JBN Inc
8842 Highway 37, Iron, MN 55751
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider, Inspector, Designer) · #L2645 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Aerobic systems · Perc testing
Makinen 2
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Frye Construction
6830 Wilson Rd, Makinen, MN 55763
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L1391 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Randy Thomas Trucking LLC
6877 Wilson Rd, Makinen, MN 55763
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4446 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Orr 2
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Lakes Aquatic Weed Removal LLC
3508 Luecken Rd, Orr, MN 55771
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4252 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Sokoloski Septic & Excavating Inc
PO Box 146, Orr, MN 55771
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2601 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Proctor 2
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CJ Septic and Repair LLC
208 6th Ave, Proctor, MN 55810
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector) · #L4319 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems
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Twin Ports Septic Pump and Repair LLC
140 Kirkus St, Proctor, MN 55810
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider) · #L4148 (Minnesota Pollution Control Agency, verify)
Per state license: Aerobic systems
Side Lake 2
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Jeff Schanche
12570 East Rd, Side Lake, MN 55781
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L4053 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Perc testing
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Side Lake Septic Service
7630 Pine Tree Rd, Side Lake, MN 55781
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2435 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
Brookston 1
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Midwest Transport & Excavating, Inc
9242 Highway 2, Brookston, MN 55711
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2294 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Buyck 1
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Portage Construction
8030 Orr Buyck Rd, Buyck, MN 55771
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L530 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Colton 1
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Wood Brothers Excavating, LLC
9276 Melrude Rd, Colton, MN 55724
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4068 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
Eveleth 1
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A1 Services Inc
2715 Hwy 37, Eveleth, MN 55734
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Service Provider, Inspector, Designer) · #L315 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation · Inspection · Aerobic systems · Perc testing
Iron Junction 1
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J C Design
8783 Iron Junction Rd, Iron Junction, MN 55751
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L1688 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Perc testing
Rice Lake 1
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MATRIX Soils and Systems, Inc.
3990 Fairview Rd, Rice Lake, MN 55803
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L2028 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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 St. Louis 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 St. Louis County: common questions
How many licensed septic companies are in St. Louis County, MN?
99 septic companies serve St. Louis County, Minnesota, and 99 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 St. Louis County?
17 of the 99 listings in St. Louis 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 St. Louis County?
73 listings in St. Louis 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.