Juventino Rosas II Wastewater Treatment Plant, Guanajuato, Mexico

Juventino Rosas II is a wastewater treatment plant located in Santa Cruz de Juventino Rosas, Guanajuato, Mexico. The facility serves a population of about 43,811, classifying it as a medium-sized agglomeration under Mexican water management standards. The plant is situated inland, away from coastal areas, and its operations are part of the regional infrastructure managed by the state of Guanajuato. As a Mexican wastewater treatment facility, Juventino Rosas II is subject to the country's federal water quality standards, including NOM-001-SEMARNAT-1996, which sets limits for pollutants in wastewater discharges. For a plant of this scale, secondary treatment is typically required to meet these standards. The plant's design and operational details are aligned with national guidelines to ensure compliance with environmental regulations. The plant discharges treated wastewater into local water bodies that eventually drain into the Lerma River basin, a major hydrological system in central Mexico. The Lerma River flows into Lake Chapala, Mexico's largest freshwater lake, which supports diverse aquatic life and provides water for agriculture and human consumption. Proper treatment at Juventino Rosas II helps protect downstream ecosystems and water quality.

The plant is located in the Lerma River basin, which drains into Lake Chapala, the largest freshwater lake in Mexico. This watershed supports a variety of aquatic species and is critical for regional water supply. Effective wastewater treatment is essential to prevent nutrient loading and contamination that could harm the lake's ecological balance and the communities that depend on it.