Septic Systems in Jasper County, IL

Regulations, costs, soil data & local providers

Pop. 9,287 ~16.8% on septic ~624 septic homes Somewhat poorly drained soil

Septic pumping in Jasper County, Illinois costs $300-$550 (avg $400). A new septic system installation costs $5,550-$11,050. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 624 homes in this county use septic systems.

Septic System Costs in Jasper County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$400$550$750
Minor Repair$700$1,000$4,850
Conventional Installation$5,550$7,900$11,050
Aerobic System Installation$10,400$14,850$20,800
Drainfield Replacement$5,550$7,900$11,050
Perc Test$850$1,200$1,700

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

Soil & Septic Suitability in Jasper County

Drainage Class
Somewhat poorly drained
Hydrologic Group
C/D
Unique Soil Types
39
Avg Bedrock Depth
2.7 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Atlas 403 Somewhat poorly drained D
Alvin 368 Well drained A
Hoyleton 272 Somewhat poorly drained C/D
Ava 230 Moderately well drained C
Bluford 215 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 Limited0%
Very Limited100%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Jasper County

Monitoring Wells
2
Avg Depth to Water
5.5 ft
Median Depth
4.9 ft
Shallowest Recorded
1.8 ft Shallow Risk

Moderate water table depth. Some sites may require modified systems or mound systems.

Source: USGS National Water Information System. Based on 37 measurements from monitoring wells.

Septic Regulations & Permits in Jasper County

State Regulatory Body
Illinois 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 Jasper County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Jasper County

How much does septic pumping cost in Jasper County?
Septic pumping in Jasper County, Illinois typically costs between $300 and $550, with an average of $400. 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 Jasper County?
A conventional septic system installation in Jasper County typically costs $5,550-$11,050. An aerobic treatment unit (ATU) costs $10,400-$20,800. Given the predominantly somewhat poorly 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 Jasper County?
Yes. Virtually all counties in Illinois 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 Jasper County health department for current requirements and fees.
What soil types are in Jasper County and how do they affect septic systems?
Jasper County has predominantly Atlas, Alvin, Hoyleton soils. The dominant drainage class is Somewhat poorly drained with hydrologic group C/D. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 0% as "Somewhat Limited", and 100% as "Very Limited".
How often should I pump my septic tank in Jasper 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 Illinois have mandatory pumping schedules — check with your local health department.
Does the water table in Jasper County affect septic systems?
Yes. The average groundwater depth in Jasper County is approximately 5.5 feet, based on USGS monitoring data from 2 wells. While this is sufficient for many conventional systems, sites with lower elevations or seasonal water table fluctuations may require alternative system designs. A site-specific evaluation is always recommended.
Can I install a conventional septic system in Jasper County?
It depends on your specific site. USDA soil data shows that 100% of soils in Jasper 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 ($850-$1700) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Jasper County?
A well-maintained septic system in Jasper 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 (Jasper County has predominantly somewhat poorly 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

Population9,287
Est. Septic Homes624
Avg Pumping Cost$400
Drainage ClassSomewhat poorly drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $700-$4,850
Installation: $5,550-$11,050

Data last updated: 2026-04-13