Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Gray metal USGS streamgage housing with solar panel and inscription mounted on a wooden support in a forested area.
Streamgage 04025500 Bois Brule River at Brule, Wisconsin.
https://waterdata.usgs.gov/monitoring-location/USGS-04025500/
Gray metal USGS streamgage housing with solar panel and inscription mounted on a wooden support in a forested area.
Streamgage 04025500 Bois Brule River at Brule, Wisconsin.
https://waterdata.usgs.gov/monitoring-location/USGS-04025500/
Various types and sizes of plastics collected from the Kinnickinnic River, Milwaukee, WI.
Various types and sizes of plastics collected from the Kinnickinnic River, Milwaukee, WI.
Stream gage equipment at Milwaukee River at Jones Island (04087170) site.
Stream gage equipment at Milwaukee River at Jones Island (04087170) site.
Eastern tiger salamanders are on the move! This one was spotted crossing the road at St. Croix Wetland Management District in Wisconsin. Tiger salamanders mostly eat small insects and worms.
Photo by Caitlin Smith/USFWS.
Eastern tiger salamanders are on the move! This one was spotted crossing the road at St. Croix Wetland Management District in Wisconsin. Tiger salamanders mostly eat small insects and worms.
Photo by Caitlin Smith/USFWS.
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.
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.
Stream gage electronics inside gage at Root River at Grange Avenue (04087214).
Stream gage electronics inside gage at Root River at Grange Avenue (04087214).
Crest stage 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
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.
USGS scientists transferring material collected during microplastic sampling to glass mason jars.
An assortment of Teflon equipment for trace metal sampling drying in a laminar flow hood.
An assortment of Teflon equipment for trace metal sampling drying in a laminar flow hood.
Root River at Greenfield showing damage from powerful high flows that are common to many urban streams.
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 (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.
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 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.
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.
Surface water sampling for microplastics in Lake Michigan near Milwaukee, WI.
Surface water sampling for microplastics in Lake Michigan near Milwaukee, WI.
Custom-designed net for sampling microplastics at depth, Lake Michigan.
Custom-designed net for sampling microplastics at depth, Lake Michigan.
USGS scientist collecting velocity measurements and microplastic sampling at mid-depth within the water column, Menomonee River.
USGS scientist collecting velocity measurements and microplastic sampling at mid-depth within the water column, Menomonee River.
Crest stage streamgage at Lincoln Creek at Sherman Boulevard at Milwaukee, Wisconsin. https://waterdata.usgs.gov/monitoring-location/040869416
Crest stage streamgage at Lincoln Creek at Sherman Boulevard at Milwaukee, Wisconsin. https://waterdata.usgs.gov/monitoring-location/040869416
Sediment core from Kinnickinnic River.
Sediment core from Kinnickinnic River.
Stream habitat data is collected along a series of transects marked by tape measure and includes estimating rock size categories (for example, sand, gravel, cobble, boulders) with a guide (shown).
Stream habitat data is collected along a series of transects marked by tape measure and includes estimating rock size categories (for example, sand, gravel, cobble, boulders) with a guide (shown).