Blow Down Pipe - The Carrie Furnace

The blow down pipe returned wastewater from the plant back into the Monongahela River. The water being delivered into the river was quite hot and likely played an integral role in the destruction of the river's ecosystem. 

Blow-down pipes at the Carrie Furnace dumped hot water into the Monongahela River, thus damaging the ecosystem of Pittsburgh's waterways.

Blow Down Pipe

This pipe returned wastewater from the plant back into the Monongahela River. The water being delivered into the river was quite hot and likely played an integral role in the destruction of the river's ecosystem. 

The audio content describes this in greater detail.