Septic Systems in Comal County, TX

Regulations, costs, soil data & local providers

Pop. 161,501 ~12% on septic ~7,752 septic homes

Septic pumping in Comal County, Texas costs $300-$550 (avg $400). A new septic system installation costs $5,600-$11,200. Approximately 7,752 homes in this county use septic systems.

Septic System Costs in Comal County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$400$550$750
Minor Repair$700$1,000$4,900
Conventional Installation$5,600$8,000$11,200
Aerobic System Installation$10,500$15,000$21,000
Drainfield Replacement$5,600$8,000$11,200
Perc Test$850$1,200$1,700

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

Groundwater & Water Table in Comal County

Monitoring Wells
6
Avg Depth to Water
123.7 ft
Median Depth
128.4 ft
Shallowest Recorded
31.2 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 Comal County

State Regulatory Body
Texas Commission on Environmental Quality (TCEQ)
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
In designated areas

On-Site Sewage Facility (OSSF) permits required. Authorized agents at county level.

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

Septic System FAQ for Comal County

How much does septic pumping cost in Comal County?
Septic pumping in Comal County, Texas typically costs between $300 and $550, with an average of $400. 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 Comal County?
A conventional septic system installation in Comal County typically costs $5,600-$11,200. An aerobic treatment unit (ATU) costs $10,500-$21,000. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Comal County?
Yes. Virtually all counties in Texas 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 Comal County health department for current requirements and fees.
What soil types are in Comal 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 Comal 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 7,752 septic systems in Comal County, there are many local providers offering regular pumping services.
How long does a septic system last in Comal County?
A well-maintained septic system in Comal 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

Population161,501
Est. Septic Homes7,752
Avg Pumping Cost$400

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $700-$4,900
Installation: $5,600-$11,200

Data last updated: 2026-04-13