Septic Systems in Lancaster County, PA

Regulations, costs, soil data & local providers

Pop. 552,984 ~7.5% on septic ~16,590 septic homes Well drained soil

Septic pumping in Lancaster County, Pennsylvania costs $350-$700 (avg $500). A new septic system installation costs $7,050-$14,150. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 16,590 homes in this county use septic systems.

Septic System Costs in Lancaster County

ServiceLowAverageHigh
Pumping / Cleaning$350$500$700
Routine Inspection$300$400$550
Real Estate Inspection$500$700$1000
Minor Repair$900$1,250$6,150
Conventional Installation$7,050$10,100$14,150
Aerobic System Installation$13,250$18,900$26,450
Drainfield Replacement$7,050$10,100$14,150
Perc Test$1,050$1,500$2,100

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

Soil & Septic Suitability in Lancaster County

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

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Manor 564 Well drained B
Joanna 540 Well drained B
Ungers 538 Well drained B
Bucks 478 Well drained B
Hagerstown 429 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited34.5%
Very Limited65.5%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Lancaster County

Monitoring Wells
11
Avg Depth to Water
14 ft
Median Depth
10.7 ft
Shallowest Recorded
9 ft

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

Source: USGS National Water Information System. Based on 88 measurements from monitoring wells.

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

Septic System FAQ for Lancaster County

How much does septic pumping cost in Lancaster County?
Septic pumping in Lancaster 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 Lancaster County?
A conventional septic system installation in Lancaster County typically costs $7,050-$14,150. An aerobic treatment unit (ATU) costs $13,250-$26,450. 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 Lancaster 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 Lancaster County health department for current requirements and fees.
What soil types are in Lancaster County and how do they affect septic systems?
Lancaster County has predominantly Manor, Joanna, Ungers 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, 34.5% as "Somewhat Limited", and 65.5% as "Very Limited".
Is a septic inspection required when selling a home in Lancaster 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 $700. 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 Lancaster 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 16,590 septic systems in Lancaster County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Lancaster County?
It depends on your specific site. USDA soil data shows that 65.5% of soils in Lancaster 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 ($1050-$2100) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Lancaster County?
A well-maintained septic system in Lancaster 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 (Lancaster 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

Population552,984
Est. Septic Homes16,590
Avg Pumping Cost$500
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $350-$700
Inspection: $300-$550
Repair: $900-$6,150
Installation: $7,050-$14,150

Data last updated: 2026-04-13