Posts for tag "runoff"
When Rivers Run Orange: Monitoring Acid Mine Drainage in Elk County
Acid mine drainage in the tributaries and mainstem Bennett Branch Sinnemahoning Creek in Pennsylvania has made the river run orange several times over the last several decades, a visual representation of the deterioration the waterway has experienced...
- Posted September 29, 2025
Thirty Years of Data: Monitoring Water Quality in the Meduxnekeag River Watershed
The Meduxnekeag River flows right through the heart of Houlton, Maine and serves as a lifeline for the Houlton Band of Maliseet Indians, who have lived off the river for centuries. However, runoff from urban development and...
- Posted September 24, 2025
Pushing Lake Science Upstream: Agriculture and Algal Blooms at Lake Erie
Lake Erie is the shallowest, most productive, and most southern of the Laurentian Great Lakes. Each summer, it suffers an algal bloom so large it can be seen from space. Since the 1960s, excess phosphorus—about 85% from...
- Posted July 14, 2025
Cross-Border Sewage Contaminated Flows: Monitoring the Tijuana River
The Tijuana River runs across the US-Mexico boundary, flowing into and throughout southern California, carrying with it nutrients and contaminants throughout the estuary. In recent decades, the flows have been heavily polluted with untreated sewage from the...
- Posted November 4, 2024
Tides and microbes transform nitrogen where streams and the ocean meet
Microbes transform nitrogen in tidal freshwater zones, usually causing denitrification, but recent research says areas of high nitrogen have been found.
- Posted September 17, 2021
Chloride Contamination Threatens Thousands of Northeast & Midwest Lakes
Development and crop land use in the United States lead to elevated chloride levels in thousands of lakes.
- Posted August 12, 2020
Snowmelt, Stormwater and Contamination in Saskatoon
Major snowmelt and runoff events in central Canada carry stormwater contamination to the South Saskatchewan River.
- Posted May 20, 2020
Omaha Park and Lagoon Improvements Guarding Water Quality
A recent renovation project is helping Omaha remodel aging sewers and improve water quality while offering more recreational opportunities to locals.
- Posted November 30, 2018
