Septic Systems in Bronx County, NY

Regulations, costs, soil data & local providers

Pop. 1,472,654 ~3.3% on septic ~19,439 septic homes Well drained soil

Septic pumping in Bronx County, New York costs $400-$850 (avg $600). A new septic system installation costs $8,700-$17,350. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 19,439 homes in this county use septic systems.

Septic System Costs in Bronx County

ServiceLowAverageHigh
Pumping / Cleaning$400$600$850
Routine Inspection$300$450$650
Real Estate Inspection$600$850$1200
Minor Repair$1,100$1,550$7,550
Conventional Installation$8,700$12,400$17,350
Aerobic System Installation$16,250$23,250$32,550
Drainfield Replacement$8,700$12,400$17,350
Perc Test$1,300$1,850$2,600

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

Soil & Septic Suitability in Bronx County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
74
Avg Bedrock Depth
1.5 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Greenbelt 1717 Well drained B
Laguardia 1081 Well drained C
Charlton 613 Well drained A
Centralpark 557 Well drained A
Riverhead 521 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 Limited12.1%
Very Limited87.9%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Bronx County

Monitoring Wells
7
Avg Depth to Water
15.1 ft
Median Depth
15.1 ft
Shallowest Recorded
8.9 ft

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

Source: USGS National Water Information System. Based on 22 measurements from monitoring wells.

Septic Regulations & Permits in Bronx County

State Regulatory Body
New York State DEC
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
Yes
Advanced Treatment Required
In designated areas

Suffolk County and Long Island have strict nitrogen rules. County health departments issue permits.

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

Septic System FAQ for Bronx County

How much does septic pumping cost in Bronx County?
Septic pumping in Bronx County, New York 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 Bronx County?
A conventional septic system installation in Bronx County typically costs $8,700-$17,350. An aerobic treatment unit (ATU) costs $16,250-$32,550. 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 Bronx County?
Yes. Virtually all counties in New York 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 Bronx County health department for current requirements and fees.
What soil types are in Bronx County and how do they affect septic systems?
Bronx County has predominantly Greenbelt, Laguardia, Charlton soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 12.1% as "Somewhat Limited", and 87.9% as "Very Limited".
How often should I pump my septic tank in Bronx 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 19,439 septic systems in Bronx County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Bronx County?
It depends on your specific site. USDA soil data shows that 87.9% of soils in Bronx 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 ($1300-$2600) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Bronx County?
A well-maintained septic system in Bronx 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 (Bronx 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

Population1,472,654
Est. Septic Homes19,439
Avg Pumping Cost$600
Drainage ClassWell drained
Septic SuitabilityVery limited

More in New York

New York County Queens County Kings County Nassau County Westchester County Rockland County

Common Septic Services

Pumping: $400-$850
Inspection: $300-$650
Repair: $1,100-$7,550
Installation: $8,700-$17,350

Data last updated: 2026-04-13