Septic pumping in Navajo County, Arizona costs $300-$650 (avg $450). A new septic system installation costs $6,450-$12,900. Approximately 3,842 homes in this county use septic systems.
Septic System Costs in Navajo County
Service
Low
Average
High
Pumping / Cleaning
$300
$450
$650
Routine Inspection
$250
$350
$500
Real Estate Inspection
$450
$650
$900
Minor Repair
$800
$1,150
$5,600
Conventional Installation
$6,450
$9,200
$12,900
Aerobic System Installation
$12,100
$17,250
$24,150
Drainfield Replacement
$6,450
$9,200
$12,900
Perc Test
$1,000
$1,400
$1,950
Cost estimates based on regional market data for Navajo County, Arizona. Actual costs depend on system type, site conditions, and provider.
Groundwater & Water Table in Navajo County
Monitoring Wells
18
Avg Depth to Water
223.2 ft
Median Depth
207.6 ft
Shallowest Recorded
29.8 ft
Water table depths in this county are generally favorable for conventional septic systems.
Contact county health department for specific requirements.
Contact the Navajo County health department for current permit requirements, fees, and approved system types.
Septic System FAQ for Navajo County
How much does septic pumping cost in Navajo County?
Septic pumping in Navajo County, Arizona typically costs between $300 and $650, with an average of $450. 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 Navajo County?
A conventional septic system installation in Navajo County typically costs $6,450-$12,900. An aerobic treatment unit (ATU) costs $12,100-$24,150. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Navajo County?
Yes. Virtually all counties in Arizona 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 Navajo County health department for current requirements and fees.
What soil types are in Navajo 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 Navajo 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 Arizona have mandatory pumping schedules — check with your local health department.
How long does a septic system last in Navajo County?
A well-maintained septic system in Navajo 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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