Septic Systems in Quay County, NM

Regulations, costs, soil data & local providers

Pop. 8,746 ~25.2% on septic ~882 septic homes

Septic pumping in Quay County, New Mexico costs $300-$550 (avg $400). A new septic system installation costs $5,550-$11,050. Approximately 882 homes in this county use septic systems.

Septic System Costs in Quay County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$400$550$750
Minor Repair$700$1,000$4,850
Conventional Installation$5,550$7,900$11,050
Aerobic System Installation$10,400$14,850$20,800
Drainfield Replacement$5,550$7,900$11,050
Perc Test$850$1,200$1,700

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

Groundwater & Water Table in Quay County

Monitoring Wells
76
Avg Depth to Water
83.8 ft
Median Depth
67 ft
Shallowest Recorded
6.5 ft

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

Source: USGS National Water Information System. Based on 251 measurements from monitoring wells.

Septic Regulations & Permits in Quay County

State Regulatory Body
New Mexico Department of Health/Environment
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
No

Contact county health department for specific requirements.

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

Septic System FAQ for Quay County

How much does septic pumping cost in Quay County?
Septic pumping in Quay County, New Mexico 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 Quay County?
A conventional septic system installation in Quay County typically costs $5,550-$11,050. An aerobic treatment unit (ATU) costs $10,400-$20,800. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Quay County?
Yes. Virtually all counties in New Mexico 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 Quay County health department for current requirements and fees.
What soil types are in Quay 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 Quay 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 New Mexico have mandatory pumping schedules — check with your local health department.
How long does a septic system last in Quay County?
A well-maintained septic system in Quay 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

Population8,746
Est. Septic Homes882
Avg Pumping Cost$400

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $700-$4,850
Installation: $5,550-$11,050

Data last updated: 2026-04-13