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