Septic Systems in Northampton County, PA

Regulations, costs, soil data & local providers

Pop. 312,951 ~12.5% on septic ~15,648 septic homes Well drained soil

Septic pumping in Northampton County, Pennsylvania costs $350-$700 (avg $500). A new septic system installation costs $6,800-$13,600. USDA soil data rates 4.8% of county soils as suitable for septic absorption fields. Approximately 15,648 homes in this county use septic systems.

Septic System Costs in Northampton County

ServiceLowAverageHigh
Pumping / Cleaning$350$500$700
Routine Inspection$250$350$500
Real Estate Inspection$450$650$900
Minor Repair$850$1,200$5,950
Conventional Installation$6,800$9,700$13,600
Aerobic System Installation$12,700$18,150$25,400
Drainfield Replacement$6,800$9,700$13,600
Perc Test$1,000$1,450$2,050

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

Soil & Septic Suitability in Northampton County

Drainage Class
Well drained
Hydrologic Group
D
Unique Soil Types
74
Avg Bedrock Depth
5.8 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Udorthents 983 Well drained D
Berks 595 Well drained B
Laidig 581 Well drained B
Conotton 562 Well drained A
Gladstone 562 Well drained A

Septic Tank Absorption Field Suitability

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

Not Limited (Good)4.8%
Somewhat Limited9.5%
Very Limited85.7%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Northampton County

Monitoring Wells
9
Avg Depth to Water
41.4 ft
Median Depth
41.3 ft
Shallowest Recorded
14 ft

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

Source: USGS National Water Information System. Based on 87 measurements from monitoring wells.

Septic Regulations & Permits in Northampton County

State Regulatory Body
Pennsylvania DEP
Inspection Required for Home Sale
Yes
Nitrogen Reduction Areas
No
Advanced Treatment Required
In designated areas

Seller must provide septic inspection. County-level Sewage Enforcement Officers (SEOs).

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

Septic System FAQ for Northampton County

How much does septic pumping cost in Northampton County?
Septic pumping in Northampton County, Pennsylvania 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 Northampton County?
A conventional septic system installation in Northampton County typically costs $6,800-$13,600. An aerobic treatment unit (ATU) costs $12,700-$25,400. 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 Northampton County?
Yes. Virtually all counties in Pennsylvania 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 Northampton County health department for current requirements and fees.
What soil types are in Northampton County and how do they affect septic systems?
Northampton County has predominantly Udorthents, Berks, Laidig soils. The dominant drainage class is Well drained with hydrologic group D. The USDA rates 4.8% of surveyed soils as "Not Limited" for septic absorption fields, 9.5% as "Somewhat Limited", and 85.7% as "Very Limited".
Is a septic inspection required when selling a home in Northampton County?
Yes. Pennsylvania requires a septic system inspection as part of the property transfer process. This typically involves a certified inspector evaluating the tank, drainfield, and all system components. The inspection cost in this area averages $650. If the system fails inspection, repairs or replacement may be required before the sale can proceed.
How often should I pump my septic tank in Northampton 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 15,648 septic systems in Northampton County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Northampton County?
It depends on your specific site. USDA soil data shows that 85.7% of soils in Northampton County are rated "Very Limited" for septic absorption fields, while only 4.8% 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 ($1000-$2050) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Northampton County?
A well-maintained septic system in Northampton 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 (Northampton 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

Population312,951
Est. Septic Homes15,648
Avg Pumping Cost$500
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $350-$700
Inspection: $250-$500
Repair: $850-$5,950
Installation: $6,800-$13,600

Data last updated: 2026-04-13