Security SD Wastewater Treatment Plant, Fountain, Colorado

Security SD is a municipal wastewater treatment plant located in Fountain, Colorado, along Fountain Creek Regional Trail. The plant serves a population of about 18,200 residents in the El Paso County area. As a facility in the United States, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Colorado Department of Public Health and Environment. For a community of this size, secondary treatment is typically required to meet water quality standards. The plant's treated effluent is discharged into the Fountain Creek watershed, which flows into the Arkansas River and eventually the Mississippi River system. This water body supports diverse aquatic life and is used for recreation and irrigation downstream. The plant plays a key role in protecting local water quality and public health in the Fountain area.

The plant discharges into the Fountain Creek watershed, a tributary of the Arkansas River. The Arkansas River flows through the Great Plains and eventually joins the Mississippi River, draining into the Gulf of Mexico. The local watershed supports a variety of fish and wildlife, including species that rely on clean water for spawning and migration. Downstream water uses include agriculture, recreation, and municipal supply, making effective treatment essential for maintaining ecosystem health and human uses.