Septic Systems in Madison County, NY

Regulations, costs, soil data & local providers

Pop. 68,016 ~22% on septic ~5,985 septic homes Well drained soil

Septic pumping in Madison County, New York costs $400-$750 (avg $550). A new septic system installation costs $7,550-$15,100. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 5,985 homes in this county use septic systems.

Septic System Costs in Madison County

ServiceLowAverageHigh
Pumping / Cleaning$400$550$750
Routine Inspection$300$400$550
Real Estate Inspection$500$750$1050
Minor Repair$950$1,350$6,600
Conventional Installation$7,550$10,800$15,100
Aerobic System Installation$14,200$20,250$28,350
Drainfield Replacement$7,550$10,800$15,100
Perc Test$1,100$1,600$2,250

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

Soil & Septic Suitability in Madison County

Drainage Class
Well drained
Hydrologic Group
D
Unique Soil Types
88
Avg Bedrock Depth
2.4 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Howard 778 Well drained B
Palmyra 722 Well drained A
Honeoye 471 Well drained B
Arkport 455 Well drained A
Stockbridge 415 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 Limited4.6%
Very Limited95.4%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Madison County

Monitoring Wells
2
Avg Depth to Water
69.4 ft
Median Depth
115.6 ft
Shallowest Recorded
5.4 ft

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

Source: USGS National Water Information System. Based on 95 measurements from monitoring wells.

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

Septic System FAQ for Madison County

How much does septic pumping cost in Madison County?
Septic pumping in Madison County, New York 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 Madison County?
A conventional septic system installation in Madison County typically costs $7,550-$15,100. An aerobic treatment unit (ATU) costs $14,200-$28,350. 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 Madison 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 Madison County health department for current requirements and fees.
What soil types are in Madison County and how do they affect septic systems?
Madison County has predominantly Howard, Palmyra, Honeoye soils. The dominant drainage class is Well drained with hydrologic group D. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 4.6% as "Somewhat Limited", and 95.4% as "Very Limited".
How often should I pump my septic tank in Madison 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 5,985 septic systems in Madison County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Madison County?
It depends on your specific site. USDA soil data shows that 95.4% of soils in Madison 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 ($1100-$2250) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Madison County?
A well-maintained septic system in Madison 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 (Madison 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

Population68,016
Est. Septic Homes5,985
Avg Pumping Cost$550
Drainage ClassWell drained
Septic SuitabilityVery limited

More in New York

Oneida County Chenango County Cortland County Onondaga County Otsego County Broome County

Common Septic Services

Pumping: $400-$750
Inspection: $300-$550
Repair: $950-$6,600
Installation: $7,550-$15,100

Data last updated: 2026-04-13