Surviving Winter: How Small Mammals Thrive in the Texas Panhandle

Odell Ward, PG

1. Winter Recharge and Soil Moisture Storage

Even minimal winter precipitation—be it snow, sleet, or rain—plays a role in enhancing soil moisture and shallow recharge. Crop residue and grassy cover serve as natural mulch, effectively trapping snow and minimizing evaporation. As thawing occurs, this moisture seeps downward, potentially raising the water table in local recharge zones. In playa basins and depressional areas typical of the High Plains, frozen soils create a temporary seal during severe freezes, allowing snowmelt and runoff to accumulate. Once the soil thaws, the collected water can gradually infiltrate, generating crucial recharge pulses for the Ogallala system.

2. Managing Winter Irrigation

While winter irrigation tends to be limited, farmers cultivating winter wheat or cover crops may occasionally apply light watering to sustain plant vigor. Effective scheduling is crucial—utilizing soil-moisture sensors and evapotranspiration (ET) data can help assess the actual need for irrigation. Since evaporation losses are minimal in colder weather, these practices can be efficient, but should be used judiciously. Each unnecessary hour of pumping contributes to a long-term decline.

3. Infrastructure and Monitoring

The off-season presents the perfect opportunity for equipment inspection, flow-meter calibration, and well maintenance. Addressing minor leaks, testing pressure systems, and accurately recording meter data are crucial for effective conservation reporting and efficiency planning. Groundwater districts, like the North Plains Groundwater Conservation District (NPGCD) in Dumas, Texas, advocate for winter maintenance and meter verification. These proactive measures ensure that when irrigation begins again, systems function efficiently—conserving both water and energy.

4. Land Stewardship and Long-Term Gains

Winter offers an excellent opportunity for thoughtful conservation planning. Producers can take this time to:

– Review water-use records

– Enroll in EQIP or state-based conservation programs

– Assess innovative water-saving technologies, such as variable-rate pivots or soil-moisture automation

Additionally, maintaining surface cover through reduced tillage or no-till systems can enhance infiltration by up to 20%, which directly supports aquifer sustainability.

Summary

Conserving resources during winter doesn’t solely rely on strict pumping restrictions; rather, it emphasizes preparation and prevention. By safeguarding soil cover, monitoring wells, and implementing minor management choices, we can collectively conserve millions of gallons of groundwater throughout the Texas High Plains. Each season of thoughtful planning brings the Ogallala Aquifer closer to achieving long-term sustainability.