Santo Domingo Pond Wastewater Treatment Plant, Sandoval County, New Mexico

Santo Domingo Pond is a wastewater treatment facility located in Sandoval County, New Mexico, serving a population of about 1,994 residents. The plant operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater to protect water quality. As a small-scale facility, it plays a vital role in managing local wastewater in this semi-arid region. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of approximately 870,640 gallons per day and a discharge volume of about 870,650 gallons per day, the plant operates near full capacity. This level of treatment meets the requirements for inland facilities under the National Pollutant Discharge Elimination System (NPDES) permit program. The treated effluent is discharged into local water bodies that drain into the Rio Grande watershed, ultimately reaching the Gulf of Mexico. The plant helps protect downstream ecosystems, including riparian habitats and aquatic life in the Rio Grande, which is a critical water source for agriculture and communities in the arid Southwest.

The plant discharges into the Rio Grande watershed, which flows through New Mexico and Texas before reaching the Gulf of Mexico. The Rio Grande supports diverse aquatic species and provides irrigation water for agriculture. The semi-arid climate makes water quality management crucial for maintaining ecosystem health and downstream water uses.