Septic Systems in Sawyer County, WI

Regulations, costs, soil data & local providers

Pop. 18,074 ~24% on septic ~1,735 septic homes Moderately well drained soil

Septic pumping in Sawyer County, Wisconsin costs $300-$550 (avg $400). A new septic system installation costs $5,600-$11,200. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 1,735 homes in this county use septic systems.

Septic System Costs in Sawyer County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$400$550$750
Minor Repair$700$1,000$4,900
Conventional Installation$5,600$8,000$11,200
Aerobic System Installation$10,500$15,000$21,000
Drainfield Replacement$5,600$8,000$11,200
Perc Test$850$1,200$1,700

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

Soil & Septic Suitability in Sawyer County

Drainage Class
Moderately well drained
Hydrologic Group
A
Unique Soil Types
128
Avg Bedrock Depth
2.9 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Pence 983 Somewhat excessively drained A
Padus 706 Well drained B
Newood 673 Moderately well drained C
Sayner 649 Excessively drained A
Rosholt 543 Well drained A

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited0.5%
Very Limited99.5%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Sawyer County

Monitoring Wells
1
Avg Depth to Water
17 ft
Median Depth
17.1 ft
Shallowest Recorded
15.9 ft

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

Source: USGS National Water Information System. Based on 39 measurements from monitoring wells.

Septic Regulations & Permits in Sawyer County

State Regulatory Body
Wisconsin Department of Health/Environment
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
No

Contact county health department for specific requirements.

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

Septic System FAQ for Sawyer County

How much does septic pumping cost in Sawyer County?
Septic pumping in Sawyer County, Wisconsin 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 Sawyer County?
A conventional septic system installation in Sawyer County typically costs $5,600-$11,200. An aerobic treatment unit (ATU) costs $10,500-$21,000. Given the predominantly moderately 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 Sawyer County?
Yes. Virtually all counties in Wisconsin 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 Sawyer County health department for current requirements and fees.
What soil types are in Sawyer County and how do they affect septic systems?
Sawyer County has predominantly Pence, Padus, Newood soils. The dominant drainage class is Moderately well drained with hydrologic group A. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 0.5% as "Somewhat Limited", and 99.5% as "Very Limited".
How often should I pump my septic tank in Sawyer 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 Wisconsin have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Sawyer County?
It depends on your specific site. USDA soil data shows that 99.5% of soils in Sawyer 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 ($850-$1700) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Sawyer County?
A well-maintained septic system in Sawyer 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 (Sawyer County has predominantly moderately 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

Population18,074
Est. Septic Homes1,735
Avg Pumping Cost$400
Drainage ClassModerately well drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $700-$4,900
Installation: $5,600-$11,200

Data last updated: 2026-04-13