Segment | Name | Salinity Regime | SAV Growing Season |
CB1 | Northern Chesapeake Bay | Tidal Fresh | Apr.-Oct. |
CB2 | Upper Chesapeake Bay | Oligohaline | Apr.-Oct. |
CB3 | Upper Central Chesapeake Bay | Mesohaline | Apr.-Oct. |
CB4 | Middle Central Chesapeake Bay | Mesohaline | Apr.-Oct. |
CB5 | Lower Central Chesapeake Bay | Mesohaline | Apr.-Oct. |
CB6 | Western Lower Chesapeake Bay | Polyhaline | March-May, Sept.-Nov. |
CB7 | Eastern Lower Chesapeake Bay | Polyhaline | March-May, Sept.-Nov. |
CB8 | Mouth of the Chesapeake Bay | Polyhaline | March-May, Sept.-Nov. |
WT1 | Bush River | Oligohaline | Apr.-Oct. |
WT2 | Gunpowder River | Oligohaline | Apr.-Oct. |
WT3 | Middle River | Oligohaline | Apr.-Oct. |
WT4 | Back River | Oligohaline | Apr.-Oct. |
WT5 | Patapsco River | Mesohaline | Apr.-Oct. |
WT6 | Magothy River | Mesohaline | Apr.-Oct. |
WT7 | Severn River | Mesohaline | Apr.-Oct. |
WT8 | South, Rhode & West Rivers | Mesohaline | Apr.-Oct. |
TF1 | Upper Patuxent River | Oligohaline | Apr.-Oct. |
RET1 | Middle Patuxent River | Mesohaline | Apr.-Oct. |
LE1 | Lower Patuxent River | Mesohaline | Apr.-Oct. |
TF2 | Upper Potomac River | Tidal Fresh | Apr.-Oct. |
RET2 | Middle Potomac River | Oligohaline | Apr.-Oct. |
LE2 | Lower Potomac River | Mesohaline | Apr.-Oct. |
TF3 | Upper Rappahannock River | Oligohaline | Apr.-Oct. |
RET3 | Middle Rappahannock River | Mesohaline | Apr.-Oct. |
LE3 | Lower Rappahannock River | Mesohaline | Apr.-Oct. |
TF4 | Upper York River | Oligohaline | Apr.-Oct. |
RET4 | Middle York River | Mesohaline | Apr.-Oct. |
LE4 | Lower York River | Polyhaline | March-May, Sept.-Nov. |
WE4 | Mobjack Bay | Polyhaline | March-May, Sept.-Nov. |
TF5 | Upper James River | Tidal Fresh | Apr.-Oct. |
RET5 | Middle James River | Oligohaline | Apr.-Oct. |
LE5 | Lower James River | Mesohaline | Apr.-Oct. |
ET1 | Northeast River | Oligohaline | Apr.-Oct. |
ET2 | Elk & Bohemia Rivers | Oligohaline | Apr.-Oct. |
ET3 | Sassafras River | Oligohaline | Apr.-Oct. |
ET4 | Chester River | Mesohaline | Apr.-Oct. |
ET5 | Choptank River | Mesohaline | Apr.-Oct. |
ET6 | Nanticoke River | Mesohaline | Apr.-Oct. |
ET7 | Wicomico River | Mesohaline | Apr.-Oct. |
ET8 | Manokin River | Mesohaline | Apr.-Oct. |
ET9 | Big Annemessex River | Mesohaline | Apr.-Oct. |
ET10 | Pocomoke River | Mesohaline | Apr.-Oct. |
EE1 | Eastern Bay | Mesohaline | Apr.-Oct. |
EE2 | Lower Choptank River | Mesohaline | Apr.-Oct. |
EE3 | Tangier Sound | Mesohaline | Apr.-Oct. |