Septic Systems in Cumberland County, ME

Regulations, costs, soil data & local providers

Pop. 303,069 ~25% on septic ~30,307 septic homes Somewhat excessively drained soil

Septic pumping in Cumberland County, Maine costs $400-$750 (avg $550). A new septic system installation costs $7,650-$15,350. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 30,307 homes in this county use septic systems.

Septic System Costs in Cumberland County

ServiceLowAverageHigh
Pumping / Cleaning$400$550$750
Routine Inspection$300$400$550
Real Estate Inspection$500$750$1050
Minor Repair$950$1,350$6,700
Conventional Installation$7,650$10,950$15,350
Aerobic System Installation$14,400$20,550$28,750
Drainfield Replacement$7,650$10,950$15,350
Perc Test$1,150$1,650$2,300

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

Soil & Septic Suitability in Cumberland County

Drainage Class
Somewhat excessively drained
Hydrologic Group
A
Unique Soil Types
77
Avg Bedrock Depth
1.3 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Lyman 1229 Somewhat excessively drained D
Hermon 1045 Somewhat excessively drained A
Skerry 910 Moderately well drained C/D
Peru 816 Moderately well drained C/D
Becket 655 Well drained C

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited6%
Very Limited94%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Cumberland County

Monitoring Wells
23
Avg Depth to Water
18.1 ft
Median Depth
16 ft
Shallowest Recorded
2.9 ft Shallow Risk

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

Source: USGS National Water Information System. Based on 159 measurements from monitoring wells.

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

Septic System FAQ for Cumberland County

How much does septic pumping cost in Cumberland County?
Septic pumping in Cumberland County, Maine typically costs between $400 and $750, with an average of $550. 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 Cumberland County?
A conventional septic system installation in Cumberland County typically costs $7,650-$15,350. An aerobic treatment unit (ATU) costs $14,400-$28,750. Given the predominantly somewhat excessively 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 Cumberland 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 Cumberland County health department for current requirements and fees.
What soil types are in Cumberland County and how do they affect septic systems?
Cumberland County has predominantly Lyman, Hermon, Skerry soils. The dominant drainage class is Somewhat excessively drained with hydrologic group A. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 6% as "Somewhat Limited", and 94% as "Very Limited".
How often should I pump my septic tank in Cumberland 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 30,307 septic systems in Cumberland County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Cumberland County?
It depends on your specific site. USDA soil data shows that 94% of soils in Cumberland 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 ($1150-$2300) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Cumberland County?
A well-maintained septic system in Cumberland 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 (Cumberland County has predominantly somewhat excessively 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

Population303,069
Est. Septic Homes30,307
Avg Pumping Cost$550
Drainage ClassSomewhat excessively drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $400-$750
Inspection: $300-$550
Repair: $950-$6,700
Installation: $7,650-$15,350

Data last updated: 2026-04-13