Septic Systems in Henry County, AL

Regulations, costs, soil data & local providers

Pop. 17,146 ~45.6% on septic ~3,127 septic homes Well drained soil

Septic pumping in Henry County, Alabama costs $250-$500 (avg $350). A new septic system installation costs $4,750-$9,500. USDA soil data rates 1.4% of county soils as suitable for septic absorption fields. Approximately 3,127 homes in this county use septic systems.

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

Soil & Septic Suitability in Henry County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
28

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Nankin 405 Well drained C
Orangeburg 230 Well drained C
Dothan 220 Well drained C
Troup 215 Somewhat excessively drained A
Lucy 215 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)1.4%
Somewhat Limited37.5%
Very Limited61.1%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Septic Regulations & Permits in Henry County

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

Septic System FAQ for Henry County

How much does septic pumping cost in Henry County?
Septic pumping in Henry County, Alabama 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 Henry County?
A conventional septic system installation in Henry 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 Henry County?
Yes. Virtually all counties in Alabama 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 Henry County health department for current requirements and fees.
What soil types are in Henry County and how do they affect septic systems?
Henry County has predominantly Nankin, Orangeburg, Dothan soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 1.4% of surveyed soils as "Not Limited" for septic absorption fields, 37.5% as "Somewhat Limited", and 61.1% as "Very Limited".
How often should I pump my septic tank in Henry 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 Alabama have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Henry County?
It depends on your specific site. USDA soil data shows that 61.1% of soils in Henry County are rated "Very Limited" for septic absorption fields, while only 1.4% 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 Henry County?
A well-maintained septic system in Henry 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 (Henry 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

Population17,146
Est. Septic Homes3,127
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