Septic Systems in Clarion County, PA

Regulations, costs, soil data & local providers

Pop. 37,241 ~30% on septic ~4,469 septic homes Well drained soil

Septic pumping in Clarion County, Pennsylvania costs $300-$650 (avg $450). A new septic system installation costs $6,100-$12,200. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 4,469 homes in this county use septic systems.

Septic System Costs in Clarion County

ServiceLowAverageHigh
Pumping / Cleaning$300$450$650
Routine Inspection$250$350$500
Real Estate Inspection$400$600$850
Minor Repair$750$1,100$5,300
Conventional Installation$6,100$8,700$12,200
Aerobic System Installation$11,450$16,350$22,900
Drainfield Replacement$6,100$8,700$12,200
Perc Test$900$1,300$1,800

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

Soil & Septic Suitability in Clarion County

Drainage Class
Well drained
Hydrologic Group
C/D
Unique Soil Types
58
Avg Bedrock Depth
3.8 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Gilpin 1297 Well drained C
Hazleton 1005 Well drained A
Wharton 601 Moderately well drained C/D
Cookport 595 Moderately well drained C/D
Clymer 542 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 Limited3.8%
Very Limited96.2%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Clarion County

Monitoring Wells
1
Avg Depth to Water
35.2 ft
Median Depth
30.4 ft
Shallowest Recorded
23.2 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 Clarion 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 Clarion County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Clarion County

How much does septic pumping cost in Clarion County?
Septic pumping in Clarion County, Pennsylvania typically costs between $300 and $650, with an average of $450. 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 Clarion County?
A conventional septic system installation in Clarion County typically costs $6,100-$12,200. An aerobic treatment unit (ATU) costs $11,450-$22,900. 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 Clarion 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 Clarion County health department for current requirements and fees.
What soil types are in Clarion County and how do they affect septic systems?
Clarion County has predominantly Gilpin, Hazleton, Wharton soils. The dominant drainage class is Well drained with hydrologic group C/D. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 3.8% as "Somewhat Limited", and 96.2% as "Very Limited".
Is a septic inspection required when selling a home in Clarion 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 $600. 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 Clarion 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. Some counties in Pennsylvania have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Clarion County?
It depends on your specific site. USDA soil data shows that 96.2% of soils in Clarion 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 ($900-$1800) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Clarion County?
A well-maintained septic system in Clarion 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 (Clarion 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

Population37,241
Est. Septic Homes4,469
Avg Pumping Cost$450
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$650
Inspection: $250-$500
Repair: $750-$5,300
Installation: $6,100-$12,200

Data last updated: 2026-04-13