New Mexico’s septic systems face climate extremes ranging from drought-driven soil shrinkage to intense monsoon flooding that can overwhelm drainfields. Dry soils lose absorption capacity, while sudden moisture can cause hydraulic overload, erosion, and drainfield instability. This guide teaches homeowners how to stabilize desert soils, protect against heat-related bacterial die-off, and prepare for stormwater surges. The Septic Saver course also covers the effects of alkaline soil chemistry, slope drainage issues, seasonal rainfall variations, and Native plant root intrusion. Homeowners will learn how elevation, desert vegetation, and soil structure impact septic health across New Mexico’s valleys, mesas, and mountain regions. The training includes strategies for improving soil absorption, preventing compaction, and managing wastewater during dry and wet seasonal extremes. With proper maintenance and understanding, New Mexico homeowners can extend septic lifespan and avoid costly failures. This guide provides clear, actionable steps to maintain year-round septic performance in New Mexico’s challenging desert climate.