Mussels and macroinvertebrates serve as excellent indicators of water quality and ecosystem health. These organisms provide critical information about the condition of a river [...]

In Milwaukee, like many cities around the country, centuries-old sewer infrastructure is failing and leaking, and sewage is entering the waterways through broken pipes, [...]

Plastic litter and microplastic pollution poses a significant threat to the health of our waterways and the species that inhabit them. It is estimated [...]

Milwaukee Riverkeeper participates in ongoing research with the Shedd Aquarium’s Migratory Fish Monitoring Program. Our team helps track the spring migration of sucker fish. [...]

Milwaukee Riverkeeper joined Waterkeeper Alliance in a national effort to understand levels of PFAS or “forever chemicals” in surface waters. In 2023, Waterkeeper groups [...]

The Milwaukee River Basin is home to only 28 miles of trout stream. These unique coldwater streams can support trout and sensitive macroinvertebrates that [...]