Septic Systems in Somerset County, ME

Regulations, costs, soil data & local providers

Pop. 50,477 ~50% on septic ~10,095 septic homes

Septic pumping in Somerset County, Maine costs $350-$700 (avg $500). A new septic system installation costs $7,300-$14,550. Approximately 10,095 homes in this county use septic systems.

Septic System Costs in Somerset County

ServiceLowAverageHigh
Pumping / Cleaning$350$500$700
Routine Inspection$300$400$550
Real Estate Inspection$500$700$1000
Minor Repair$900$1,300$6,350
Conventional Installation$7,300$10,400$14,550
Aerobic System Installation$13,650$19,500$27,300
Drainfield Replacement$7,300$10,400$14,550
Perc Test$1,100$1,550$2,150

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

Septic Regulations & Permits in Somerset County

State Regulatory Body
Maine 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 Somerset County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Somerset County

How much does septic pumping cost in Somerset County?
Septic pumping in Somerset County, Maine typically costs between $350 and $700, with an average of $500. 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 Somerset County?
A conventional septic system installation in Somerset County typically costs $7,300-$14,550. An aerobic treatment unit (ATU) costs $13,650-$27,300. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Somerset County?
Yes. Virtually all counties in Maine 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 Somerset County health department for current requirements and fees.
What soil types are in Somerset County and how do they affect septic systems?
Contact the county health department for soil evaluation requirements.
How often should I pump my septic tank in Somerset 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 10,095 septic systems in Somerset County, there are many local providers offering regular pumping services.
How long does a septic system last in Somerset County?
A well-maintained septic system in Somerset 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. 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

Population50,477
Est. Septic Homes10,095
Avg Pumping Cost$500

Common Septic Services

Pumping: $350-$700
Inspection: $300-$550
Repair: $900-$6,350
Installation: $7,300-$14,550

Data last updated: 2026-04-13