| distance | reference number | name | latitude | longitude |
| 47.1 | 1757 | Marcus Hook, Pennsylvania (sub) | 39.8117 | -75.4117 |
| 47.1 | 1756 | Marcus Hook, Pennsylvania | 39.8117 | -75.41 |
| 47.2 | 3255 | Wanamaker Bridge, Darby Creek, Pennsylvania | 39.8767 | -75.305 |
| 47.5 | 2058 | Norwood City, Darby Creek, Pennsylvania | 39.88 | -75.29 |
| 48.1 | 3098 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8783 | -75.2767 |
| 48.2 | 3099 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8867 | -75.265 |
| 48.5 | 877 | Edgemoor, Delaware | 39.75 | -75.4933 |
| 48.6 | 1762 | Market Street Bridge, Schuylkill River, Pennsylvani | 39.955 | -75.18 |
| 48.7 | 1842 | Millside, RR. bridge, Christina River, Delaware | 39.725 | -75.56 |
| 49.0 | 342 | Bridgeport, Raccoon Creek, New Jersey, Delaware Riv | 39.8067 | -75.355 |
| 49.7 | 2222 | Penrose Avenue Bridge, Schuylkill River, Pennsylvan | 39.8983 | -75.2117 |
| 49.8 | 3353 | Wilmington Marine Terminal, Delaware | 39.7183 | -75.52 |
| 50.0 | 2212 | Pedricktown, Oldmans Creek, New Jersey | 39.7617 | -75.4033 |
| 50.4 | 255 | Billingsport, New Jersey | 39.85 | -75.25 |
| 50.6 | 2240 | Philadelphia, Municipal Pier 11, Pennsylvania | 39.9533 | -75.1383 |
| 50.6 | 2241 | Philadelphia, Municipal Pier 11, Pennsylvania (sub) | 39.9533 | -75.1383 |
| 51.2 | 2239 | Philadelphia (USCG Station), Delaware River, Pennsy | 39.9333 | -75.1417 |
| 51.6 | 2202 | Paulsboro, Mantua Creek, New Jersey | 39.835 | -75.2383 |
| 52.0 | 2632 | Salem Canal entrance, Delaware River, New Jersey | 39.6833 | -75.51 |
| 52.3 | 2203 | Pavonia, Cooper River, RR. bridge, New Jersey | 39.9467 | -75.105 |
| 52.4 | 339 | Bridesburg, Philadelphia, Pennsylvania | 39.9833 | -75.075 |
| 52.4 | 3382 | Woodbury Creek, New Jersey | 39.86 | -75.1867 |
| 52.7 | 1970 | New Castle, Chesapeake and Delaware Canal, Delaware | 39.6567 | -75.5617 |
| 52.9 | 3020 | Tacony-Palmyra Bridge, New Jersey | 40.0117 | -75.0433 |
| 53.7 | 114 | Auburn, Oldmans Creek, New Jersey | 39.715 | -75.36 |