Septic Systems in Jackson County, MS

Regulations, costs, soil data & local providers

Pop. 143,252 ~26.2% on septic ~15,013 septic homes Well drained soil

Septic pumping in Jackson County, Mississippi costs $250-$500 (avg $350). A new septic system installation costs $4,750-$9,500. USDA soil data rates 10.1% of county soils as suitable for septic absorption fields. Approximately 15,013 homes in this county use septic systems.

Septic System Costs in Jackson 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 Jackson County, Mississippi. Actual costs depend on system type, site conditions, and provider.

Soil & Septic Suitability in Jackson County

Drainage Class
Well drained
Hydrologic Group
A
Unique Soil Types
67

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Benndale 360 Well drained B
Harleston 279 Moderately well drained B
Vancleave 255 Moderately well drained C
Bama 255 Well drained A
Wadley 230 Somewhat excessively drained A

Septic Tank Absorption Field Suitability

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

Not Limited (Good)10.1%
Somewhat Limited10.4%
Very Limited79.5%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Septic Regulations & Permits in Jackson County

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

Septic System FAQ for Jackson County

How much does septic pumping cost in Jackson County?
Septic pumping in Jackson County, Mississippi 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 Jackson County?
A conventional septic system installation in Jackson 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 Jackson County?
Yes. Virtually all counties in Mississippi 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 Jackson County health department for current requirements and fees.
What soil types are in Jackson County and how do they affect septic systems?
Jackson County has predominantly Benndale, Harleston, Vancleave soils. The dominant drainage class is Well drained with hydrologic group A. The USDA rates 10.1% of surveyed soils as "Not Limited" for septic absorption fields, 10.4% as "Somewhat Limited", and 79.5% as "Very Limited".
How often should I pump my septic tank in Jackson 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 15,013 septic systems in Jackson County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Jackson County?
It depends on your specific site. USDA soil data shows that 79.5% of soils in Jackson County are rated "Very Limited" for septic absorption fields, while only 10.1% 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 Jackson County?
A well-maintained septic system in Jackson 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 (Jackson 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

Population143,252
Est. Septic Homes15,013
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