Septic Systems in Ramsey County, MN

Regulations, costs, soil data & local providers

Pop. 552,352 ~6% on septic ~13,256 septic homes Well drained soil

Septic pumping in Ramsey County, Minnesota costs $300-$650 (avg $450). A new septic system installation costs $6,500-$13,000. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 13,256 homes in this county use septic systems.

Septic System Costs in Ramsey County

ServiceLowAverageHigh
Pumping / Cleaning$300$450$650
Routine Inspection$250$350$500
Real Estate Inspection$450$650$900
Minor Repair$800$1,150$5,650
Conventional Installation$6,500$9,300$13,000
Aerobic System Installation$12,200$17,400$24,350
Drainfield Replacement$6,500$9,300$13,000
Perc Test$1,000$1,400$1,950

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

Soil & Septic Suitability in Ramsey County

Drainage Class
Well drained
Hydrologic Group
A
Unique Soil Types
69
Avg Bedrock Depth
2.6 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Mahtomedi 663 Excessively drained A
Kingsley 592 Well drained C
Chetek 386 Somewhat excessively drained A
Antigo 365 Well drained B
Waukegan 340 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited5.8%
Very Limited94.2%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Ramsey County

Monitoring Wells
53
Avg Depth to Water
5 ft
Median Depth
4.3 ft
Shallowest Recorded
-0.3 ft Shallow Risk

Moderate water table depth. Some sites may require modified systems or mound systems.

Source: USGS National Water Information System. Based on 2388 measurements from monitoring wells.

Septic Regulations & Permits in Ramsey 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 Ramsey County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Ramsey County

How much does septic pumping cost in Ramsey County?
Septic pumping in Ramsey County, Minnesota typically costs between $300 and $650, with an average of $450. 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 Ramsey County?
A conventional septic system installation in Ramsey County typically costs $6,500-$13,000. An aerobic treatment unit (ATU) costs $12,200-$24,350. Given the predominantly well 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 Ramsey 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 Ramsey County health department for current requirements and fees.
What soil types are in Ramsey County and how do they affect septic systems?
Ramsey County has predominantly Mahtomedi, Kingsley, Chetek soils. The dominant drainage class is Well drained with hydrologic group A. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 5.8% as "Somewhat Limited", and 94.2% as "Very Limited".
Is a septic inspection required when selling a home in Ramsey 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 $650. 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 Ramsey 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. With approximately 13,256 septic systems in Ramsey County, there are many local providers offering regular pumping services.
Does the water table in Ramsey County affect septic systems?
Yes. The average groundwater depth in Ramsey County is approximately 5 feet, based on USGS monitoring data from 53 wells. While this is sufficient for many conventional systems, sites with lower elevations or seasonal water table fluctuations may require alternative system designs. A site-specific evaluation is always recommended.
Can I install a conventional septic system in Ramsey County?
It depends on your specific site. USDA soil data shows that 94.2% of soils in Ramsey 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 ($1000-$1950) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Ramsey County?
A well-maintained septic system in Ramsey 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 (Ramsey County has predominantly well 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

Population552,352
Est. Septic Homes13,256
Avg Pumping Cost$450
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$650
Inspection: $250-$500
Repair: $800-$5,650
Installation: $6,500-$13,000

Data last updated: 2026-04-13