Septic Systems in El Dorado County, CA

Modeled costs, available official data & local verification guidance

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

Our modeled range for septic pumping in El Dorado County, California is $400-$850. A modeled conventional installation range is $8,400-$16,800. The site model estimates approximately 5,736 homes may use septic systems; this is not a county count.

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

Modeled estimates derived from national reference ranges and a regional multiplier, not observed local quotes. Actual costs depend on system type, site conditions, permits, 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 System FAQ for El Dorado County

How much does septic pumping cost in El Dorado County?
Our modeled pumping range for El Dorado County, California is $400-$850, with a modeled midpoint of $600. This is not an observed local quote. Actual cost varies by tank size, access, travel distance and tank condition.
How much does a new septic system cost in El Dorado County?
Our modeled conventional-installation range for El Dorado County is $8,400-$16,800; the modeled aerobic-system range is $15,750-$31,500. These are planning indicators, not observed local quotes. A site evaluation and provider estimate are needed.
Do I need a permit for a septic system in El Dorado County?
Permit requirements depend on the work, property and responsible authority. Review the verified official-source summary on this page, then contact the authority directly for the current application, exemptions, fees, site-evaluation requirements and inspection steps before work begins.
What soil types are in El Dorado 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 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: 2026-08-26