USGS_River_Code
- 2040101 Upper Delaware
- 2040102 East Branch Delaware
- 2040103 Lackawaxen
- 2040104 Middle Delaware-Mongaup-Brodhead
- 2040105 Middle Delaware-Musconetcong
- 2040106 Lehigh
- 2040201 Crosswicks-Neshaminy
- 2040202 Lower Delaware
- 2040203 Schuylkill
- 2040204 Delaware Bay
- 2040205 Brandywine-Christina
- 2040206 Cohansey-Maurice
- 2040207 Broadkill-Smyrna
