Images

Stream gage house at Honey Creek upstream of confluence with the Menomonee River (04087119).

Styrene-butadiene rubber (SBR) from automotive tires, artificial turf fields, or playgrounds collected from bed sediment on the Menomonee and Milwaukee Rivers.

Streamgage 04015330 Knife River Near Two Harbors, Minnesota

https://waterdata.usgs.gov/monitoring-location/04015330/

Mercury isotope air sampler deployed in Boston, MA.

Four USGS scientists sampling pore water from a canoe in un-named lake approximately 340 meters downgradient of the Bemidji, Minnesota crude oil spill site.

A photograph of U.S. Geological Survey (USGS) custom automated pathogen sampler (top) and schematic illustrating the remote-unattended-automated pathogen sampler (bottom). Sample collection proceeds over the course of a runoff-event or low-flow period for up to a maximum of 5 days before a site visit by personnel is needed to collect the samples.

Various types and sizes of plastics collected from the Kinnickinnic River, Milwaukee, WI.

Stream gage equipment at Milwaukee River at Jones Island (04087170) site.

Great Lakes tributaries deliver pathogens from many different sources. This drawing represents the various sources of these pathogens along with hydrologic, land cover, and season patterns by which they enter the Great Lakes tributaries. It references the virus sampling that took place with the backdrop based largely on the Milwaukee, WI.

Water sampling on the pontoon of a seaplane in Lake Clark National Park, Alaska.

Turbid glacial runoff in roaring river, surrounded by mountains in Lake Clark National Park, Alaska.

Stream gage electronics inside gage at Root River at Grange Avenue (04087214).

Crest stage gage at Root River at Grange Avenue (04087214).

Snow covered tree overlooking the shoreline at the north side of Picnic Point in Madison, Wisconsin

USGS scientists transferring material collected during microplastic sampling to glass mason jars.

Artist rendition of pathogen contamination in a mixed land use watershed.

Root River at Greenfield showing damage from powerful high flows that are common to many urban streams.

Passive samplers (on left: Polar Organic Chemical Integrative Sampler or “POCIS”; on right: mini-Semi-Permeable Membrane Devices or “SPMDs”) attached at depth in a stream for measurement of chemical contaminants.

Passive samplers (POCIS and mini-SPMDs) deployed in stream for assessment of chemical contaminants in the water; a multi-parameter water-quality probe (on left) measures water temperature, pH, and specific conductance during initial deployment.

USGS scientist collecting sediment core from Little Menomonee River, Milwaukee, WI.

USGS scientist processing microplastic sample. Large net is washed to move plastics down the large net to the detachable cod-end at bottom for transfer to glass mason jars.