Septic Systems in Clinton County, IN

Regulations, costs, soil data & local providers

Pop. 33,190 ~33.6% on septic ~4,461 septic homes Well drained soil

Septic pumping in Clinton County, Indiana costs $250-$500 (avg $350). A new septic system installation costs $4,750-$9,500. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 4,461 homes in this county use septic systems.

Septic System Costs in Clinton County

ServiceLowAverageHigh
Pumping / Cleaning$250$350$500
Routine Inspection$200$250$350
Real Estate Inspection$300$450$650
Minor Repair$600$850$4,200
Conventional Installation$4,750$6,800$9,500
Aerobic System Installation$8,900$12,750$17,850
Drainfield Replacement$4,750$6,800$9,500
Perc Test$700$1,000$1,400

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

Soil & Septic Suitability in Clinton County

Drainage Class
Well drained
Hydrologic Group
B/D
Unique Soil Types
54

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Miami 586 Well drained C
Martinsville 242 Well drained B
Fox 210 Well drained B
Drummer 206 Poorly drained B/D
Crosby 203 Somewhat poorly drained C/D

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited1.9%
Very Limited98.1%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Clinton County

Monitoring Wells
1
Avg Depth to Water
2 ft
Median Depth
1.9 ft
Shallowest Recorded
-1.1 ft Shallow Risk

Shallow water table detected. Mound systems or aerobic treatment units may be required.

Source: USGS National Water Information System. Based on 25 measurements from monitoring wells.

Septic Regulations & Permits in Clinton County

State Regulatory Body
Indiana Department of Health/Environment
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
No

Contact county health department for specific requirements.

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

Septic System FAQ for Clinton County

How much does septic pumping cost in Clinton County?
Septic pumping in Clinton County, Indiana typically costs between $250 and $500, with an average of $350. 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 Clinton County?
A conventional septic system installation in Clinton County typically costs $4,750-$9,500. An aerobic treatment unit (ATU) costs $8,900-$17,850. 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 Clinton County?
Yes. Virtually all counties in Indiana 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 Clinton County health department for current requirements and fees.
What soil types are in Clinton County and how do they affect septic systems?
Clinton County has predominantly Miami, Martinsville, Fox soils. The dominant drainage class is Well drained with hydrologic group B/D. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 1.9% as "Somewhat Limited", and 98.1% as "Very Limited".
How often should I pump my septic tank in Clinton 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 Indiana have mandatory pumping schedules — check with your local health department.
Does the water table in Clinton County affect septic systems?
Yes. The average groundwater depth in Clinton County is approximately 2 feet, based on USGS monitoring data from 1 wells. This shallow water table means conventional gravity-fed septic systems may not be suitable for many sites. Mound systems or aerobic treatment units are commonly required to maintain adequate separation between the drainfield and groundwater.
Can I install a conventional septic system in Clinton County?
It depends on your specific site. USDA soil data shows that 98.1% of soils in Clinton 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 ($700-$1400) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Clinton County?
A well-maintained septic system in Clinton 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 (Clinton 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

Population33,190
Est. Septic Homes4,461
Avg Pumping Cost$350
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $250-$500
Inspection: $200-$350
Repair: $600-$4,200
Installation: $4,750-$9,500

Data last updated: 2026-04-13