Overview
La Escalerilla wastewater treatment plant serves Cerro Colorado in Arequipa, Peru, with a population equivalent of approximately 43,000. The plant operates under Peru's national wastewater regulations.
La Escalerilla is a wastewater treatment plant located in Cerro Colorado, a district of Arequipa, Peru. The plant serves an estimated population of 43,241, placing it in the medium-scale category for municipal wastewater treatment in the region. Its address near the Universidad Católica de Santa María botanical garden project situates it within the urban periphery of Arequipa, a major city in southern Peru. Peru's wastewater treatment sector is governed by the Ministry of Housing, Construction and Sanitation and the National Water Authority (ANA). For agglomerations of this size, secondary treatment is typically required to meet effluent standards before discharge. Regulatory frameworks mandate compliance with maximum permissible limits for organic matter and solids. The plant's treated effluent likely discharges into a local watercourse that drains into the Quilca-Chili River basin, which flows through Arequipa and eventually reaches the Pacific Ocean. This watershed supports agricultural activities and provides water for downstream communities, making effective treatment essential for protecting water quality and public health.
Environmental context
La Escalerilla is situated in the Quilca-Chili River basin, which drains the Arequipa region and flows into the Pacific Ocean. The Chili River, a key tributary, passes through Arequipa and is used for irrigation and domestic water supply. Downstream, the river supports diverse aquatic life and agricultural ecosystems. Proper wastewater treatment is critical to prevent nutrient loading and contamination that could affect both the river's ecological health and the coastal marine environment.
Frequently asked questions
La Escalerilla is located in Cerro Colorado, a district of Arequipa, Peru. Its address is near the Universidad Católica de Santa María botanical garden project on the Autopista La Joya - Arequipa highway.
The plant serves an estimated population of 43,241 people, classifying it as a medium-scale municipal wastewater treatment facility.
The treated effluent is likely discharged into a local watercourse that flows into the Quilca-Chili River basin, eventually reaching the Pacific Ocean. The plant must comply with Peruvian effluent standards.
Peru's wastewater treatment is regulated by the Ministry of Housing, Construction and Sanitation and the National Water Authority (ANA). Plants serving over 40,000 people are typically required to provide secondary treatment and meet maximum permissible limits for pollutants.
For medium-sized agglomerations in Peru, secondary treatment processes such as activated sludge or stabilization ponds are commonly used to reduce organic matter and solids before discharge.
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