Region 7 - Taos Regional Water Plan
The water planning region encompasses most of Taos County. The principal river basin is the Rio Grande. The principal aquifer is the alluvial sediments of the Santa Fe Group within the Costilla Plain and the stream valleys of the Sangre de Cristo mountains.
The region is bounded on the north by Colorado, on the west by Rio Arriba County, on the south by the Rio Embudo ridge, and on the east by Colfax and Mora counties.