Very low
Hardly any trace of salt. Too fresh for most people.
Rappahannock River
Rappahannock River, Virginia
Kumamoto (low salinity)
Skagit Bay
Skagit Bay
Skagit Bay
Gulf Coast
Gulf of Mexico
Pleasure House
Lynnhaven River, Virginia
Chesapeake
Chesapeake Bay
Hollywood
Patuxent River, Maryland