Tula River, Major river in Hidalgo State, Mexico.
The Tula River is a tributary of the Moctezuma River flowing through central Mexico and passing near the ancient Toltec capital's archaeological sites. This waterway supplies irrigation across a large area of agricultural land through dam systems that distribute water throughout the region.
The river became the primary drainage channel for Mexico City's valley during the mid-20th century. This redirection of water flows transformed the river's ecological character significantly.
Local communities along the Tula River maintain traditional fishing practices despite environmental changes affecting the water quality and fish populations.
The river is visible year-round, though water levels change with seasons and rainfall patterns. Plan your visit during the dry season to see the channel more clearly and access the surrounding areas more easily.
The water carries elevated levels of arsenic, cadmium, and lead in its zooplankton populations. This heavy metal accumulation reflects the environmental impact of urban and industrial expansion on the ecosystem.
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