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Contact Information:
(505) 827-2855 MAIN // 1-800-219-6157 (toll free)
Environmental Emergencies:
505-827-9329 (24 hrs)
New Mexico
Environment Department
Liquid Waste Program

Calculation Tools

This Drainfield Calculator is provided to assist in calculating the size of a drainfield for a simple septic system.  There is no guarantee that the calculator is correct and accurate.  Please use this tool only to assist and verify your septic system design. 

Please click on the link to download the calculator.

Drainfield Calculator 9-11-2017 v3

Useful Liquid Waste Tools:

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Harold L. Runnels Building // 1190 St. Francis Drive, Suite N4050 // Santa Fe, New Mexico 87505 // tel (800) 219-6157, (505) 827-2855

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