Lake Guardian

The Lake Guardian is a research vessel that serves on the Great Lakes.[4] She is owned by the United States Environmental Protection Agency. She has three onboard laboratories: multipurpose, chemistry, and biology.[3]

The Lake Guardian on Lake Erie.
History
Name	Lake Guardian
Owner	United States Environmental Protection Agency
Port of registry	Milwaukee, Wisconsin
Launched	1981
Identification	IMO number: 8030609 MMSI number: 338021074[1] Call sign: WA09082[1]
Status	in active service[1]
Notes	Lake Guardian ship website
General characteristics
Type	Dredger/Research vessel
Tonnage	959 GT
Displacement	850 tons
Length	180 ft (55 m)[2]
Beam	40 ft (12 m)[2]
Draft	11 ft (3.4 m)[2]
Depth	14 ft (4.3 m)[2]
Ice class	C[2]
Installed power	2 x 1,200 hp Caterpillar diesels 1 x 300 hp bow thruster
Propulsion	2 x 4-blade stainless steel propellers, in Kort nozzles
Speed	11 kn (20 km/h; 13 mph)[2]
Range	6,000 mi (9,700 km)[2]
Boats & landing craft carried	Rescue boat: Ambar 550 RIB with 2 Mercury 60HP 4-stroke outboard motors[3]
Crew	14 crew (and 27 scientists)[3]