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Septic Services in Little Rock, AR

Pulaski County · Pop. 202,591

Little Rock is Arkansas's capital and largest city, centrally located in the state at the confluence of the Arkansas River and Fourche Creek. As the state's political and commercial hub, Little Rock and Pulaski County encompass a wide range of landscapes — from the Arkansas River's broad alluvial bottomlands to the forested Ouachita Mountain foothills rising to the west. The city's municipal sewer system serves most of the urban core, but the western foothill communities, rural eastern county, and numerous unincorporated subdivisions rely on private septic systems regulated by the Pulaski County Health Unit under the Arkansas Department of Health. Little Rock's Ouachita foothills terrain presents genuine septic challenges: Leadvale silt loam soils with fragipan layers at 24-36 inches, shale-derived upland soils with slow percolation, and occasional shallow bedrock on steeper slopes limit drainfield options in many desirable hillside locations.

Services in Little Rock

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Drain Field Repair

Restore or replace failed leach fields and drain lines to prevent sewage surfacing and groundwater contamination.

$2,000 – $15,000

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Grease Trap Pumping

Commercial grease trap cleaning and pumping to prevent sewer blockages and maintain health code compliance.

$200 – $800

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Septic Inspection

Comprehensive evaluation of your septic system's condition, required for real estate transactions in most states.

$300 – $600

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Septic System Installation

Complete new septic system design and installation, from perc testing to final inspection.

$3,500 – $20,000

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Septic Tank Pumping

Regular pumping removes accumulated solids from your septic tank, preventing backups and extending system life.

$275 – $600

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Septic Repair

Diagnose and fix septic system problems including leaks, clogs, baffle failures, and component replacements.

$500 – $5,000

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Well Drilling

Professional water well drilling for residential and commercial properties without access to municipal water.

$6,000 – $25,000

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Well Pump Repair

Diagnose and repair well pump failures, pressure tank issues, and water flow problems.

$300 – $3,000

Septic Providers in Little Rock (7)

Septic Service Costs in Little Rock

Service Average Cost
Septic Tank Pumping $175 - $325
Septic System Installation $3,500 - $12,000

Soil Conditions

Pulaski County straddles the geological boundary between the Ouachita Mountains to the west and the Arkansas River alluvial lowlands to the east, creating diverse soil conditions. The dominant upland soil on Little Rock's Ouachita foothills terrain is the Ceda-Leadvale association — Ceda silt loam, a moderately well-drained soil derived from shale colluvium with slow subsoil permeability (90-150 min/inch in the Bt horizon), and Leadvale silt loam with a fragipan at 24 to 36 inches. The Arkansas River bottomlands have Calhoun silt loam and Portland silt loam — poorly drained floodplain soils with seasonal high water tables and very slow permeability. Western Pulaski County's Ouachita foothill soils include Mountainburg-Leadvale association with very shallow depths to sandstone and shale bedrock.

Leadvale silt loam is the most important septic-limiting soil in the Little Rock Ouachita foothill zone. Formed in loess and alluvial colluvium over Pennsylvanian shale, Leadvale soils have a moderate A horizon percolation rate (60-120 min/inch) but a dense fragipan at 24-36 inches that is essentially impermeable. The fragipan creates perched seasonal saturation that saturates drainfield trenches from below during wet periods. Ceda silt loam, found on more actively eroded slopes, lacks fragipan but has a clay-enriched Bt horizon with slow permeability (90-150 min/inch). The USDA NRCS Pulaski County soil survey rates Leadvale soils as severely limited for septic fields. Arkansas River bottomland Calhoun and Portland silt loams are rated unsuitable for conventional systems due to high water table and slow permeability.

Water Table: Arkansas River floodplain soils in eastern Pulaski County have seasonal high water tables of 12 to 24 inches and are generally unsuitable for conventional drainfields. Ouachita foothill soils on ridge crests and upper slopes have deeper water tables of 3 to 6 feet, but the fragipan in Leadvale soils can create perched water at 24-36 inches during wet seasons. Central Pulaski County transition zone soils have intermediate conditions with seasonal saturation at 24 to 48 inches in poorly drained positions.

Local Regulations

Arkansas Regulation 22 governs all Pulaski County onsite systems, administered by the Pulaski County Health Unit. ADH requires soil morphology evaluation before permit issuance. Setbacks are 75 feet from water supply wells, 50 feet from streams, 15 feet from property lines, and 25 feet from drainage ditches. ADH has a tiered system type recognition framework: conventional gravity, pressure distribution, mound, and aerobic treatment unit (ATU) systems are all permitted in Arkansas with appropriate site justification. Floodplain properties along the Arkansas River require elevation of septic components above the 100-year flood level. The Little Rock District of ADH Environmental Health has published guidance on acceptable sites in Ouachita foothill terrain.

Pulaski County septic permits are issued by the Pulaski County Health Unit under Arkansas Department of Health Regulation 22 authority. A soil morphology evaluation and site assessment are required before permit issuance. Permit fees run $75 to $200 for residential systems. Little Rock's city core and established suburbs are served by Little Rock Wastewater Utility municipal sewer. Outlying Pulaski County areas — particularly the western Ouachita foothill communities, unincorporated eastern county, and rural pockets — rely on private septic systems. ADH requires all tanks to meet IAPMO standards. Properties in the floodplain of the Arkansas River require additional review due to flooding risk to septic components.

Frequently Asked Questions — Little Rock

How often should I pump my septic tank in the Little Rock area?
Every 3 to 5 years is standard for Pulaski County. Little Rock's 52 inches of annual rainfall means soil saturation events are frequent, and drainfields on Leadvale or Ceda silt loam soils with slow percolation have less resilience to hydraulic overloading than faster-draining soils. Pumping on a 3-year cycle provides important buffer against system overload during wet springs.
What are the biggest septic challenges in the Little Rock, AR area?
Leadvale silt loam soils with fragipan layers at 24-36 inches create perched seasonal water tables that can saturate drainfields from below during wet seasons. Ouachita foothill sites may have shallow bedrock that limits trench depth. Arkansas River floodplain locations in eastern Pulaski County have high water tables and slow-permeability soils that are generally unsuitable for conventional septic systems. The area's high annual rainfall (52 inches) amplifies all of these challenges.
How much does a new septic system cost near Little Rock?
Conventional gravity systems on favorable upland Pulaski County terrain run $3,500 to $6,500. Mound or pressure distribution systems required for Leadvale fragipan sites typically cost $7,000 to $12,000. ATU systems, if required in sensitive areas, run $8,000 to $14,000 including installation and the required maintenance contract. Arkansas has lower labor costs than many states, so system costs here are generally below national averages.
Can I install a septic system near the Arkansas River in Little Rock?
Floodplain properties along the Arkansas River face significant challenges. ADH requires septic components to be elevated above the 100-year flood level, which may mean raising tank and drainfield locations well above natural grade. The bottomland soils in eastern Pulaski County also have high water tables and very slow permeability. In many cases, connection to municipal sewer is required or strongly preferable for properties within the Arkansas River floodplain.
Does Little Rock have municipal sewer throughout the city?
Little Rock Wastewater Utility provides sewer service throughout most of the city proper and many suburban areas. However, western Pulaski County foothill communities, rural eastern county areas, and numerous unincorporated subdivisions are beyond sewer service boundaries and use private septic. Always verify utility service before purchasing property in the greater Little Rock area — the transition from sewer to septic territory can occur within a short distance in this landscape.