Drilling in Castro County
Castro County is dairy and irrigated-crop country, and the Ogallala has dropped faster here than in Parmer, Bailey or Deaf Smith counties: nearly 18 feet in ten years, with an average of 48 feet of saturated thickness remaining.
What we drill here
- Replacement irrigation wells for center pivots
- Dairy supply and backup wells for the county’s dairies
- Domestic and livestock wells
Permits in Castro County
Most of Castro County is inside HPWD. Wells over 17.5 gallons per minute need a district permit. We provide answers to questions regarding permits.
Local facts
- HPWD's 2026 survey measured 102 observation wells in Castro County with an average saturated thickness of 48 feet.
- Castro County's water level fell nearly 18 feet over the last ten years, a steeper drop than in Parmer, Bailey or Deaf Smith counties.
- Castro County ranked 25th among U.S. counties for dairy production in 2023, with roughly 49,000 dairy cows.
Communities we serve in Castro County
Dimmitt · Hart · Nazareth · Flagg · Sunnyside