Sediment sampler at Breitenbush River

Sediment samplers are designed to obtain representative samples across all depths and locations in a river cross-section. This is important because sediment concentrations are not always consistent across the channel. This D-74 sampler weighs 62 pounds and can sample in velocities up to 6.6 feet per second and depths up to 15 feet. It has been in use since 1974.