Septic Systems in Red Lake County, MN

Regulations, costs, soil data & local providers

Pop. 3,935 ~32% on septic ~504 septic homes Poorly drained soil

Septic pumping in Red Lake County, Minnesota costs $300-$550 (avg $400). A new septic system installation costs $5,300-$10,650. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 504 homes in this county use septic systems.

Septic System Costs in Red Lake County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$350$500$700
Minor Repair$650$950$4,600
Conventional Installation$5,300$7,600$10,650
Aerobic System Installation$10,000$14,250$19,950
Drainfield Replacement$5,300$7,600$10,650
Perc Test$800$1,150$1,600

Cost estimates based on regional market data for Red Lake County, Minnesota. Actual costs depend on system type, site conditions, and provider.

Soil & Septic Suitability in Red Lake County

Drainage Class
Poorly drained
Hydrologic Group
B/D
Unique Soil Types
77

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Roliss 288 Very poorly drained B/D
Kratka 242 Poorly drained B/D
Clearwater 240 Very poorly drained C/D
Smiley 233 Very poorly drained B/D
Rosewood 232 Poorly drained A/D

Septic Tank Absorption Field Suitability

USDA NRCS rates soil suitability for septic absorption fields across this county:

Not Limited (Good)0%
Somewhat Limited0.3%
Very Limited99.7%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Red Lake County

Monitoring Wells
9
Avg Depth to Water
20 ft
Median Depth
13.9 ft
Shallowest Recorded
-9.5 ft Shallow Risk

Water table depths in this county are generally favorable for conventional septic systems.

Source: USGS National Water Information System. Based on 56 measurements from monitoring wells.

Septic Regulations & Permits in Red Lake County

State Regulatory Body
Minnesota Pollution Control Agency
Inspection Required for Home Sale
Yes
Nitrogen Reduction Areas
No
Advanced Treatment Required
In designated areas

ISTS (Individual Sewage Treatment System) standards. County-level compliance inspections.

Contact the Red Lake County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Red Lake County

How much does septic pumping cost in Red Lake County?
Septic pumping in Red Lake County, Minnesota typically costs between $300 and $550, with an average of $400. Costs vary by tank size (1,000-1,500 gallons is typical), ease of access, distance from the pumping company, and how full the tank is. Most homeowners should pump their tank every 3-5 years.
How much does a new septic system cost in Red Lake County?
A conventional septic system installation in Red Lake County typically costs $5,300-$10,650. An aerobic treatment unit (ATU) costs $10,000-$19,950. Given the predominantly poorly drained soils in this area, some sites may require alternative system types. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Red Lake County?
Yes. Virtually all counties in Minnesota require a permit before installing, repairing, or replacing a septic system. The permit process typically involves a soil evaluation or percolation test, system design by a licensed professional, application to the county health department, and one or more inspections during installation. Contact the Red Lake County health department for current requirements and fees.
What soil types are in Red Lake County and how do they affect septic systems?
Red Lake County has predominantly Roliss, Kratka, Clearwater soils. The dominant drainage class is Poorly drained with hydrologic group B/D. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 0.3% as "Somewhat Limited", and 99.7% as "Very Limited".
Is a septic inspection required when selling a home in Red Lake County?
Yes. Minnesota requires a septic system inspection as part of the property transfer process. This typically involves a certified inspector evaluating the tank, drainfield, and all system components. The inspection cost in this area averages $500. If the system fails inspection, repairs or replacement may be required before the sale can proceed.
How often should I pump my septic tank in Red Lake County?
The EPA recommends pumping your septic tank every 3-5 years for a typical household. The exact frequency depends on tank size, household size, and water usage. A 1,000-gallon tank serving a family of 4 should generally be pumped every 3 years. Some counties in Minnesota have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Red Lake County?
It depends on your specific site. USDA soil data shows that 99.7% of soils in Red Lake County are rated "Very Limited" for septic absorption fields, while only 0% are "Not Limited." This means many properties will require alternative systems such as mound systems, pressure distribution systems, or aerobic treatment units. A percolation test ($800-$1600) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Red Lake County?
A well-maintained septic system in Red Lake County typically lasts 25-30 years, though some components may need attention sooner. The concrete septic tank itself can last 40+ years, while the drainfield — the most critical and expensive component — usually lasts 15-25 years depending on soil conditions (Red Lake County has predominantly poorly drained soils). Regular pumping every 3-5 years and avoiding excess water usage are the two most effective ways to extend system life.

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Quick Facts

Population3,935
Est. Septic Homes504
Avg Pumping Cost$400
Drainage ClassPoorly drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $650-$4,600
Installation: $5,300-$10,650

Data last updated: 2026-04-13