Septic Systems in Miller County, AR

Regulations, costs, soil data & local providers

Pop. 42,600 ~33.6% on septic ~5,725 septic homes

Septic pumping in Miller County, Arkansas costs $200-$400 (avg $300). A new septic system installation costs $4,550-$9,100. Approximately 5,725 homes in this county use septic systems.

Septic System Costs in Miller County

ServiceLowAverageHigh
Pumping / Cleaning$200$300$400
Routine Inspection$200$250$350
Real Estate Inspection$300$450$650
Minor Repair$550$800$4,000
Conventional Installation$4,550$6,500$9,100
Aerobic System Installation$8,500$12,150$17,000
Drainfield Replacement$4,550$6,500$9,100
Perc Test$650$950$1,350

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

Groundwater & Water Table in Miller County

Monitoring Wells
4
Avg Depth to Water
49.5 ft
Median Depth
28.7 ft
Shallowest Recorded
4.6 ft

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

Source: USGS National Water Information System. Based on 15 measurements from monitoring wells.

Septic Regulations & Permits in Miller County

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

Septic System FAQ for Miller County

How much does septic pumping cost in Miller County?
Septic pumping in Miller County, Arkansas typically costs between $200 and $400, with an average of $300. 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 Miller County?
A conventional septic system installation in Miller County typically costs $4,550-$9,100. An aerobic treatment unit (ATU) costs $8,500-$17,000. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Miller County?
Yes. Virtually all counties in Arkansas 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 Miller County health department for current requirements and fees.
What soil types are in Miller County and how do they affect septic systems?
Contact the county health department for soil evaluation requirements.
How often should I pump my septic tank in Miller 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 5,725 septic systems in Miller County, there are many local providers offering regular pumping services.
How long does a septic system last in Miller County?
A well-maintained septic system in Miller 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. 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

Population42,600
Est. Septic Homes5,725
Avg Pumping Cost$300

Common Septic Services

Pumping: $200-$400
Inspection: $200-$350
Repair: $550-$4,000
Installation: $4,550-$9,100

Data last updated: 2026-04-13