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AQUATIC POLLUTION
In 2001, scientists began adding tiny amounts of synthetic estrogen to an Ontario lake; within the next two years, its fathead minnow population collapsedA seven-year whole-lake experiment in northwestern Ontario examined how chronic exposure to the synthetic estrogen 17α-ethynylestradiol (EE...
In 2004, Iowa listed Easter Lake for murky water. 20 years later, restoration helped it meet water standards and park visits climbed from 500,000 to 1.3 million visitorsEaster Lake in Des Moines was listed as impaired in 2004 because sediment and cloudy water were damaging its quality. Two decades of restor...
At 18, this Virginia teen helped 70 young volunteers to restore the Chesapeake Bay. They removed nearly 5,000 pounds of debris in a yearAt just a teenager, James Hemphill launched a remarkable six-year environmental initiative. Co-founding Project Green Teens, he rallied num...
In 2023, Connecticut removed Strong Pond Dam after 20 years of planning. 3 years later, 10 upstream miles are open to fish, reconnecting 20 miles of habitat for wildlifeThe removal of Strong Pond Dam in Wilton, Connecticut, marks a significant achievement in river restoration. This initiative has revitalize...
In 1996, Idaho listed Fish Creek for sediment after erosion damaged aquatic habitat. 22 years later, restoration helped it earn the maximum 3.0 score for cold-water lifeFish Creek in Idaho was listed as impaired for sedimentation in 1996. Collaborative efforts by various stakeholders improved road surfaces ...
In 2002, Kansas listed the North Cottonwood River for copper pollution. 12 years later, farm conservation helped lower copper from 14.1 to 3.5 µg/L and restore the riverNorth Cottonwood River restoration: Kansas listed the North Cottonwood River as impaired by copper pollution in 2002. Agricultural runoff w...
In Florida’s Everglades, Burmese pythons are helping scientists track pollutionIn Florida's Everglades, Burmese pythons are unexpectedly aiding scientists in pollution research. By accumulating harmful substances like ...
In 2006, Kentucky identified nutrient problems along 12.8 miles of Fleming Creek. 18 years later, monitoring showed the stream could fully support its aquatic lifeFleming Creek in northeast Kentucky has moved from nutrient-related impairment to full support for its warm water aquatic habitat designate...
A decade ago, Maryland Agriculture restored 2 farms to improve Little Antietam Creek habitat. Today, 10 years of monitoring show mayflies, caddisflies and trout thrivingLittle Antietam Creek restoration: A stream restoration project on Little Antietam Creek shows positive changes. The project addressed nutr...
In 2016, Indiana found very poor fish health in 1.27 miles of Big Branch after years of pollution. 7 years later, its fish score reached 48 and the segment was clearedBig Branch’s recovery is ultimately a reminder that environmental restoration is often measured in years rather than weeks. The stream did ...
Nepal floods bring strange fish to Bihar, govt warns against eating or selling it; consumption may cause vomiting, diarrhoeaNepal unusual fish found in Bihar: Nepal flood has swept an unusual fish into Bihar’s Gandak basin. The floodwaters from Nepal have prompte...
In 2011, Arkansas prioritized Lake Conway-Point Remove to tackle pollution. 13 years later, Conway cut nitrogen 41% and phosphorus 44% with green infrastructure annuallyLake Conway-Point Remove story ultimately shows why the future of water-quality protection may depend on combining engineering with ecology...
In 2012, Cleveland Metroparks surveyed Beecher’s Brook after Ohio listed the Chagrin River as impaired, then restored 350 feet. 8 years later, fish scores improved againBeecher's Brook restoration project removed a fish passage barrier and enhanced habitat. This work led to marked improvements in fish and m...
In 2019, Pennsylvania completed AMD abatement at Fran Camp Run No. 2 Mine, restoring 1.4 miles of Cooks Run. 7 years later, pH and metal impairments were finally clearedAn abandoned Pennsylvania coal mine cleanup project significantly improved Cooks Run water quality. The 2019 abatement project addressed ac...
In 1994, Idaho listed Rapid Creek for sediment impairment. 18 years later, restoration improved habitat scores and Lower Rapid Creek was removed from the 2012 impaired waters listRapid Creek in southeastern Idaho offers a compelling example of how long-term watershed restoration can transform water quality and aquati...
In 2008, Minnesota listed Fish Lake as impaired for nutrients after severe algae blooms. 16 years later, the lake improved enough to be delisted after treatments and restorationThe 2008 impairment designation was an important step because it formally recognized that the lake was not meeting the desired water-qualit...
In 1972, a 3,300-acre preservation effort began protecting the Elk River Chain of Lakes in Michigan. More than 50 years later, monitoring shows water quality remains healthyMore than half a century ago, a conservation effort in northern Michigan set out to protect an extraordinary network of waterways, and its ...
In 2021, New York assessed Cannonsville Reservoir as impaired after a 7-foot culvert blocked fish passage. 2 years later, the new culvert scored 0.88 for aquatic passageA culvert replacement project in Delaware County, New York, addressed stream-flow, erosion, sediment, and fish-passage problems along an un...
In 2004, community partners began tackling Kent Park Lake's nutrient and sediment pollution. 20 years later, the lake met water quality standards and was removed from Iowa's impaired-waters list in 2024Kent Park Lake restoration took 20 years to deliver a result Iowa officials could finally recognize. The lake once struggled with nutrient ...
In 2018, New York's Cortland County funded 3 culvert and stream projects. 5 years later, all 3 sites improved from severe barriers to insignificant barriers for better fish passageCortland County projects fit into a broader New York effort to identify and address barriers to aquatic organism passage. New York's Depart...