Septic Systems in Colbert County, AL

Regulations, costs, soil data & local providers

Pop. 57,227 ~38% on septic ~8,699 septic homes Well drained soil

Septic pumping in Colbert County, Alabama costs $250-$500 (avg $350). A new septic system installation costs $5,050-$10,100. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 8,699 homes in this county use septic systems.

Septic System Costs in Colbert County

ServiceLowAverageHigh
Pumping / Cleaning$250$350$500
Routine Inspection$200$250$350
Real Estate Inspection$350$500$700
Minor Repair$650$900$4,400
Conventional Installation$5,050$7,200$10,100
Aerobic System Installation$9,450$13,500$18,900
Drainfield Replacement$5,050$7,200$10,100
Perc Test$750$1,100$1,550

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

Soil & Septic Suitability in Colbert County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
28
Avg Bedrock Depth
4.3 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Decatur 280 Well drained B
Fullerton 215 Well drained B
Chenneby 202 Somewhat poorly drained B/D
Bewleyville 165 Well drained B
Emory 130 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 Limited34.6%
Very Limited65.4%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Colbert County

Monitoring Wells
3
Avg Depth to Water
32.2 ft
Median Depth
28.9 ft
Shallowest Recorded
22 ft

Water table depths in this county are generally favorable for conventional septic systems.

Source: USGS National Water Information System. Based on 6 measurements from monitoring wells.

Septic Regulations & Permits in Colbert 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 Colbert County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Colbert County

How much does septic pumping cost in Colbert County?
Septic pumping in Colbert 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 Colbert County?
A conventional septic system installation in Colbert County typically costs $5,050-$10,100. An aerobic treatment unit (ATU) costs $9,450-$18,900. 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 Colbert 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 Colbert County health department for current requirements and fees.
What soil types are in Colbert County and how do they affect septic systems?
Colbert County has predominantly Decatur, Fullerton, Chenneby soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 34.6% as "Somewhat Limited", and 65.4% as "Very Limited".
How often should I pump my septic tank in Colbert 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 8,699 septic systems in Colbert County, there are many local providers offering regular pumping services.
Can I install a conventional septic system in Colbert County?
It depends on your specific site. USDA soil data shows that 65.4% of soils in Colbert 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 ($750-$1550) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Colbert County?
A well-maintained septic system in Colbert 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 (Colbert 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

Population57,227
Est. Septic Homes8,699
Avg Pumping Cost$350
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $250-$500
Inspection: $200-$350
Repair: $650-$4,400
Installation: $5,050-$10,100

Data last updated: 2026-04-13