North River entered service in 1974.
Hunts Point entered the sixth boro sludge trade in February 2014. My my my . . . how the design has evolved!
Photos by Will Van Dorp.
Here and here are previous sludge tanker posts. Here are pics from five years ago when sludge tanker Red Hook began service.
tugster: a waterblog 
3 comments
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April 11, 2014 at 1:09 pm
Tom
“devolved” may be more a propos…
April 11, 2014 at 1:37 pm
eastriver
Think of it as an “environmental bow.” As the City no longer takes it’s sludge residue to dump at sea, there’s no longer a need for a blue-water hull.
April 11, 2014 at 2:14 pm
tugster
DEP . . take a bow with the environmental bow. the bow of Red Hook is an anachronism given the changes in mission that’ve transpired since
North River was designed.