Pennsylvania Water Science Center
Select a streamflow gaging station (a table of stations is shown below the map). Only stations within the Delaware County map are active.

Station ID |
Station Name |
County |
Period of Record |
Drainage Area, mi2 |
| 01475510 | Darby Creek near Darby | DELAWARE | 1965-1989 | |
| 01476500 | Ridley Creek at Moylan | DELAWARE | 1932-1953 | |
| 01477000 | Chester Creek near Chester | DELAWARE | 1932-2001 | |
| 01475850 | Crum Creek near Newtown Square | DELAWARE | 1982-2001 | |
| 01481000 | Brandywine Creek at Chadds Ford | DELAWARE | 1912-52; 1963-2001 |