TAHOKA – An average decline of .063 feet was calculated in the groundwater levels of the Ogallala/Edwards-Trinity (High Plains) Aquifer (ETHP) from 2021 to 2022, according to water level measurements made by High Plains Water District (HPWD).HTWD field technicians measured approximately 1,333 water wells during the first part of 2022. From these measurements, about 1,300 were also measured in 2021, allowing HPWD to calculate the average change. The publishable results of 2022 water level measurements are now available on the HPWD interactive web map.Also of importance is the saturated thickness of the Ogallala and ETHP, which is the thickness of ...