Punta Colorada Wastewater Treatment Plant, Puerto Escondido, Oaxaca

Punta Colorada is a wastewater treatment plant located in Puerto Escondido, Oaxaca, Mexico. It serves a population of about 11,908 residents in the coastal community of San Pedro Mixtepec. The plant is situated near the Pacific Ocean, within 50 km of the coast, and plays a key role in managing municipal wastewater in this tourist destination. As a plant serving a medium-sized agglomeration in Mexico, Punta Colorada operates under the national water quality regulations enforced by the Comisión Nacional del Agua (CONAGUA). Mexican law requires secondary treatment for municipal wastewater before discharge, in line with the country's environmental standards. The plant's capacity and treatment process details are not publicly available, but typical facilities of this scale employ biological treatment systems to meet effluent quality standards. The treated effluent from Punta Colorada ultimately discharges into the Pacific Ocean via local drainage channels. The coastal waters near Puerto Escondido support diverse marine life and are important for local fisheries and tourism. Proper wastewater treatment is essential to protect these ecosystems from nutrient pollution and pathogens, ensuring the health of the coastal environment and the communities that depend on it.

Punta Colorada's treated wastewater flows into the Pacific Ocean near Puerto Escondido, a coastal area known for its beaches and marine biodiversity. The local watershed drains directly to the ocean, making the plant's effluent management critical for preventing eutrophication and safeguarding coral reefs and fish habitats. The region's tropical climate and seasonal rainfall influence dilution and dispersion patterns, requiring consistent treatment performance to minimize environmental impact.