Bethlehem Waterworks, also known as Old Waterworks or 1762 Waterworks is a site significant for its age.

It was declared a National Historic Landmark

National Historic Landmark

A National Historic Landmark is a building, site, structure, object, or district, that is officially recognized by the United States government for its historical significance...

 in 1981.

It is located within "Historic Subdistrict A" near Monocacy Creek

Monocacy Creek

Monocacy Creek is a tributary of the Lehigh River in Northampton County, Pennsylvania in the United States.One of only 56 limestone streams in the state of Pennsylvania, the creek's headwaters lie in the slate belt, near the borough of Chapman....

, and on the "east bank of Monocacy Creek immediately north of Hill to Hill Bridge

Hill to Hill Bridge

The Hill to Hill Bridge is a concrete arch bridge in Bethlehem, Pennsylvania. It carries PA 378 across the Lehigh River.-History:Construction on the Hill to Hill Bridge began on August 1, 1921, after many previous plans. The original bridge has nine approaches, eleven abutments, forty-eight piers,...

and immediately west of Main St." It is included as part of the Bethlehem Colonial Industrial Quarter.