Reviewed August 1, 2026

New Mexico septic rules, made easier to check.

These guides summarize official sources and link to the controlling pages. They are general information, not legal, engineering, or permitting advice.

Buying or selling

Property-transfer septic evaluation

The evaluation requirement, qualified evaluators, official form, and the 180-day rule.

Before hiring

License and qualification verification

How to use NMED permit tools and RLD license lookup without relying on a directory badge.