Septic Systems in El Dorado County, CA

Regulations, costs, soil data & local providers

Pop. 191,185 ~7.5% on septic ~5,736 septic homes

Septic pumping in El Dorado County, California costs $400-$850 (avg $600). A new septic system installation costs $8,400-$16,800. Approximately 5,736 homes in this county use septic systems.

Septic System Costs in El Dorado County

ServiceLowAverageHigh
Pumping / Cleaning$400$600$850
Routine Inspection$300$450$650
Real Estate Inspection$550$800$1100
Minor Repair$1,050$1,500$7,350
Conventional Installation$8,400$12,000$16,800
Aerobic System Installation$15,750$22,500$31,500
Drainfield Replacement$8,400$12,000$16,800
Perc Test$1,250$1,800$2,500

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

Groundwater & Water Table in El Dorado County

Monitoring Wells
31
Avg Depth to Water
53.1 ft
Median Depth
39.3 ft
Shallowest Recorded
4.1 ft

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

Source: USGS National Water Information System. Based on 40 measurements from monitoring wells.

Septic Regulations & Permits in El Dorado County

State Regulatory Body
California State Water Resources Control Board
Inspection Required for Home Sale
Yes
Nitrogen Reduction Areas
Yes
Advanced Treatment Required
In designated areas

OWTS Policy (2012). Inspection required before property transfer.

Contact the El Dorado County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for El Dorado County

How much does septic pumping cost in El Dorado County?
Septic pumping in El Dorado County, California typically costs between $400 and $850, with an average of $600. 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 El Dorado County?
A conventional septic system installation in El Dorado County typically costs $8,400-$16,800. An aerobic treatment unit (ATU) costs $15,750-$31,500. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in El Dorado County?
Yes. Virtually all counties in California 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 El Dorado County health department for current requirements and fees.
What soil types are in El Dorado County and how do they affect septic systems?
Contact the county health department for soil evaluation requirements.
Is a septic inspection required when selling a home in El Dorado County?
Yes. California requires a septic system inspection as part of the property transfer process. This typically involves a certified inspector evaluating the tank, drainfield, and all system components. The inspection cost in this area averages $800. If the system fails inspection, repairs or replacement may be required before the sale can proceed.
How often should I pump my septic tank in El Dorado 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 5,736 septic systems in El Dorado County, there are many local providers offering regular pumping services.
How long does a septic system last in El Dorado County?
A well-maintained septic system in El Dorado 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

Population191,185
Est. Septic Homes5,736
Avg Pumping Cost$600

Common Septic Services

Pumping: $400-$850
Inspection: $300-$650
Repair: $1,050-$7,350
Installation: $8,400-$16,800

Data last updated: 2026-04-13