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Septic Services in Minneapolis, MN

Hennepin County County · Pop. 429,606

Minneapolis is the largest city in Minnesota and, along with St. Paul across the Mississippi River, anchors the Twin Cities metropolitan area — a region of 3.6 million people. The city and its first-ring suburbs are entirely on municipal sewer, served by the Metropolitan Council Environmental Services regional system. However, the outer ring of Hennepin County — the rapidly growing communities along the western and northern fringe — relies substantially on individual septic systems. Hennepin County's 97 lakes create one of the most lake-dense suburban landscapes in the country, and the relationship between on-site wastewater systems and lake water quality is a constant regulatory and environmental concern. The Minnesota Pollution Control Agency's emphasis on lake-by-lake water quality monitoring has produced a detailed picture of which lakes are impaired and what contribution on-site systems make to their nutrient budget. Mound systems dominate new installation throughout Hennepin County's exurban areas due to the prevalence of poorly drained glacial lake soils.

Services in Minneapolis

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Drain Field Repair

Restore or replace failed leach fields and drain lines to prevent sewage surfacing and groundwater contamination.

$2,000 – $15,000

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Grease Trap Pumping

Commercial grease trap cleaning and pumping to prevent sewer blockages and maintain health code compliance.

$200 – $800

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Septic Inspection

Comprehensive evaluation of your septic system's condition, required for real estate transactions in most states.

$300 – $600

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Septic System Installation

Complete new septic system design and installation, from perc testing to final inspection.

$3,500 – $20,000

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Septic Tank Pumping

Regular pumping removes accumulated solids from your septic tank, preventing backups and extending system life.

$275 – $600

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Septic Repair

Diagnose and fix septic system problems including leaks, clogs, baffle failures, and component replacements.

$500 – $5,000

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Well Drilling

Professional water well drilling for residential and commercial properties without access to municipal water.

$6,000 – $25,000

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Well Pump Repair

Diagnose and repair well pump failures, pressure tank issues, and water flow problems.

$300 – $3,000

Septic Providers in Minneapolis (15)

HS

Hebl Septic Verified

Rochester, MN 00000

Hebl Septic provides professional septic services in Rochester, MN and surrounding areas.

Septic PumpingSeptic RepairSeptic Inspection
(507) 358-1991 View Profile
LS

Lashinski Septic Service Verified

Minneapolis, MN 00000

Lashinski Septic Service provides professional septic services in Minneapolis, MN and surrounding areas. Contact them for septic pumping, repair, and inspection services.

Septic PumpingSeptic RepairSeptic Inspection
(763) 434-3915 View Profile

Septic Service Costs in Minneapolis

Service Average Cost
Septic Tank Pumping $325 - $525
Septic System Installation $10,000 - $30,000

Soil Conditions

Hennepin County soils are glacially derived, with significant variation by landform. The Minneapolis-St. Paul urban core sits on Hayden clay loam and Lino loam — poorly drained lacustrine and till soils with slow to moderately slow permeability. The western and southwestern suburban fringe (Minnetonka, Eden Prairie, Plymouth, Maple Grove) features Hayden-Glencoe complex and Hamel clay loam — very poorly drained soils on depressions and flats with water tables at or near the surface. The North Hennepin suburbs have coarser glacial outwash (Hubbard loamy coarse sand, Zimmerman loamy fine sand) with good percolation but limited treatment capacity.

Hennepin County's most limiting soil series for septic installation is the Glencoe silty clay loam (USDA series 52MN) — a very poorly drained Mollisol found in closed depressions throughout the western suburbs. Glencoe soils have a water table at or above the surface from March through June and remain within 12 inches year-round. The MPCA requires a minimum 3-foot separation between the bottom of a drainfield and the seasonal high water table, which Glencoe soils cannot provide for any conventional system. Mound systems that elevate the drainfield 3+ feet above the native soil surface are the only viable option on Glencoe soils. The Hamel clay loam (USDA series 51MN) is similarly restricted. Together these two series cover large portions of the outer Hennepin County suburban landscape.

Water Table: Glencoe and Hamel soils in low-lying areas have water tables at 0-12 inches from March through June. The suburban fringe of Hennepin County has widespread seasonal high water tables at 12-24 inches during snowmelt season. The numerous lakes (Hennepin County has 97 lakes) maintain adjacent water tables near lake level year-round. The Minnesota River valley floodplain has water tables at 0-3 feet. Better-drained upland positions have water tables at 3-6 feet.

Local Regulations

Hennepin County Environmental Services administers Minnesota Rules Chapter 7080 locally and has adopted several local amendments. Hennepin County's compliance inspection program is one of the most active in Minnesota: inspections are required within 3 years of any real estate transfer, and the county maintains a database of all known systems and their inspection history. Properties within Shoreland Districts (within 1,000 feet of public waters) are subject to Hennepin County's Shoreland Management Ordinance, which imposes additional setbacks and design requirements. Lakefront properties near impaired lakes may be required to use nitrogen-reducing or phosphorus-reducing system designs. The Metropolitan Council's 2040 regional plan includes provisions for extending sewer service to some currently unsewered outer-ring communities, which will eventually require on-site system decommissioning.

Hennepin County Environmental Services issues all ISTS permits under Minnesota Rules Chapter 7080 and Hennepin County local amendments. The Minneapolis-St. Paul metropolitan core is fully sewered by the Metropolitan Council Environmental Services (MCES) regional system, one of the largest regional sewer authorities in the United States. However, the outer suburban and exurban communities of Hennepin County — Hassan Township, Medina, Independence, Rockford, and portions of Maple Grove, Plymouth, and Minnetonka — have substantial on-site systems. Minnesota's compliance inspection at real estate transfer (required within 3 years of sale) is actively enforced by Hennepin County. Permit fees range from $300 to $700 for new systems.

Frequently Asked Questions — Minneapolis

My Hennepin County home is near one of the 97 lakes — what extra rules apply to my septic system?
Properties within 1,000 feet of a public water (any named lake, river, or public water) in Hennepin County are in the Shoreland District, subject to the Hennepin County Shoreland Management Ordinance. This ordinance specifies minimum lot size, impervious surface limits, and enhanced septic system setbacks. Systems must be set back a minimum of 75 feet from the ordinary high water mark of the lake. On impaired lakes — those listed on the MPCA 303(d) impaired waters list for nutrients — Hennepin County may require advanced treatment technologies (media filter, drip irrigation) for new system installation.
What is a mound septic system and why are they so common in the Minneapolis suburbs?
A mound system elevates the drainfield above the native soil surface using a bed of imported sand and gravel fill, creating the required vertical separation from the water table or restrictive soil layer. Hennepin County's outer suburbs are dominated by poorly drained glacial soils (Glencoe, Hamel, Lerdal series) with water tables that reach the surface seasonally — making conventional in-ground drainfields impossible. Minnesota Rules Chapter 7080 requires 3 feet of separation between the drainfield bottom and the seasonal high water table; mound systems achieve this by going up rather than down. Mound systems in Hennepin County typically cost $15,000-$28,000 due to the volume of imported sand fill required.
How does Minnesota's compliance inspection law work in Hennepin County?
Minnesota law (MN Rules 7080.2450) requires that all ISTS be inspected within 3 years before or 1 year after a real estate transfer. In Hennepin County, this is actively enforced: buyers, sellers, and their agents are responsible for ensuring the compliance inspection has been completed. Hennepin County maintains a database of known systems and can flag properties where an inspection is overdue. If a system is found to be non-compliant (inadequately sized, too close to a well, lacking required setbacks), it must be upgraded within a specified timeline — typically 1-2 years from sale completion.
How much does septic pumping cost in the Minneapolis, Minnesota area?
Septic pumping in Hennepin County runs $325-$525 for a standard residential tank. Twin Cities area pumping costs are somewhat higher than outstate Minnesota due to higher labor and overhead costs. Minneapolis-area homeowners on the outer suburban fringe should budget for 3-year pumping cycles as a minimum, and annual inspection if the system is more than 20 years old. Many Hennepin County providers offer a package of pumping plus basic inspection for $375-$500 that satisfies the county's compliance inspection requirement.
When is the highest-risk season for septic system failure in the Minneapolis area?
April is the highest-risk month for septic system failure in Hennepin County and across Minnesota. This is when accumulated winter snowpack (often 2-4 feet of dense snow) melts rapidly, saturating soils that are often still frozen at depth. A frozen soil layer prevents drainage, creating a temporary saturated zone that overwhelms drainfields. If you notice wet spots in your yard, sewage odors, or backed-up drains in April, have your system evaluated immediately. Some systems that appear to function adequately in summer reveal their marginal status only during the spring melt period.

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