|Official name||Wrightsville Dam|
|Location||Lancaster / York counties, Pennsylvania, USA|
|Dam and spillways|
The low-head dam was constructed in 1840 to impound the waters of the Susquehanna to provide a slackwater pool to allow the safe passage of canal boats from the Pennsylvania Canal on the Columbia (Lancaster County) side across the mile-wide rocky river to the Susquehanna and Tidewater Canal on the Wrightsville (York County) side.
- McClure, James, Where exactly is the Susquehanna River's Holtwood Dam?, York Town Square blog, York Daily Record, Retrieved 2008-10-14.