In selecting the waterways featured in my book, the question on reservoirs determined how much of the city would be covered in the book and the size of the book. Over the centuries, the city’s thirst was quenched by reservoirs placed on high location from which gravity took the flow to homes and businesses. Some reservoirs were given naturalistic appearances, such as the one in Central Park. Silver Lake on Staten Island was transformed into a reservoir; Mount Prospect Reservoir was eliminated after becoming obsolete. But only one former reservoir in the city was transformed into a public swimming pool: the one in High Bridge Park.
As upper Manhattan does not have as many historical streams as its middle and downtown parts, a chapter on Highbridge Reservoir puts the neighborhood of Washington Heights on the Hidden Waters map. Continue reading