Monitoring Site List - Lower
| Station Name | Stream & Location | Monitoring Group | Flow Direction (from->to) | Rationale |
| BBDC 4.1 | Big Branch Deer Creek, Fawn Grove, PA | 2 | PA->MD | Monitor for potential water quality impacts |
| CNWG 4.4 | Conowingo Creek, Pleasant Grove, PA | 1 | PA->MD | High nutrient loads and other agricultural runoff; nonpoint runoff to Chesapeake Bay |
| DEER 44.2 | Deer Creek, Gorsuch Mills, MD | 1 | PA->MD | Past pollution from Gorsuch Mills, MD, Stewartstown, PA; nonpoint runoff to Chesapeake Bay |
| EBAU 1.5 | Ebaughs Creek, Stewartstown, PA | 1 | PA->MD | Municipal discharge from Stewartstown, PA; nonpoint runoff to Chesapeake Bay |
| FBDC 4.1 | Falling Branch Deer Creek, Fawn Grove, PA | 2 | PA->MD | Monitor for potential water quality impacts |
| LNGA 2.5 | Long Arm Creek, Bandanna, PA | 1 | PA->MD | Monitor for potential water quality impacts |
| OCTO 6.6 | Octoraro Creek, Rising Sun, MD | 1 | PA->MD | High nutrient loads due to agricultural runoff from New Bridge, MD; water quality impacts from Octoraro Lake; nonpoint runoff to Chesapeake Bay |
| SBCC 20.4 | South Branch Conewago Creek, Bandanna, PA | 2 | PA->MD | Monitor for potential water quality impacts |
| SCTT 3.0 | Scott Creek, Delta, PA | 1 | PA->MD | Historical pollution due to untreated sewage |
| SUSQ 44.5 | Susquehanna River, Marietta, PA | 1 | PA->MD | Bracket hydroelectric dams near state line |
| SUSQ 10.0 | Susquehanna River, Conowingo, MD | 1 | PA->MD | Bracket hydroelectric dams near state line |
