Septic pumping in New London County, Connecticut costs $400-$850 (avg $600). A new septic system installation costs $8,200-$16,450. Approximately 21,699 homes in this county use septic systems.
Septic System Costs in New London County
Service
Low
Average
High
Pumping / Cleaning
$400
$600
$850
Routine Inspection
$300
$450
$650
Real Estate Inspection
$550
$800
$1100
Minor Repair
$1,000
$1,450
$7,200
Conventional Installation
$8,200
$11,750
$16,450
Aerobic System Installation
$15,450
$22,050
$30,850
Drainfield Replacement
$8,200
$11,750
$16,450
Perc Test
$1,200
$1,750
$2,450
Cost estimates based on regional market data for New London County, Connecticut. Actual costs depend on system type, site conditions, and provider.
Groundwater & Water Table in New London County
Monitoring Wells
1
Avg Depth to Water
11.9 ft
Median Depth
11.9 ft
Shallowest Recorded
11.8 ft
Water table depths in this county are generally favorable for conventional septic systems.
Contact county health department for specific requirements.
Contact the New London County health department for current permit requirements, fees, and approved system types.
Septic System FAQ for New London County
How much does septic pumping cost in New London County?
Septic pumping in New London County, Connecticut typically costs between $400 and $850, with an average of $600. 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 New London County?
A conventional septic system installation in New London County typically costs $8,200-$16,450. An aerobic treatment unit (ATU) costs $15,450-$30,850. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in New London County?
Yes. Virtually all counties in Connecticut 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 New London County health department for current requirements and fees.
What soil types are in New London 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 New London 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 21,699 septic systems in New London County, there are many local providers offering regular pumping services.
How long does a septic system last in New London County?
A well-maintained septic system in New London 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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