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DREDGED SEDIMENT
From 2002, Louisiana dumped up to 1.8 million cubic yards of dredged mud near Horseshoe Bend, and the river turned it into a 35-hectare islandSince 2002, dredgers on the Lower Atchafalaya River in Louisiana have adopted a groundbreaking sediment placement technique. This has resul...
In 2013, Maryland used dredged river sediment to rebuild Battery Island to about 11 acres; crews planted about 60,000 native plants as the island was restoredIn 2013, Maryland utilized dredged river sediment to restore Battery Island to provide new habitat for wildlife. The U.S. Army Corps of Eng...
In 2015, New Jersey pumped 30,000 cubic yards of dredged mud into a breach splitting Mordecai Island; the project rejoined the island and rebuilt nesting habitatMordecai Island in New Jersey has faced significant erosion, losing half of its land over the past century. To combat this, engineers intro...
New Orleans is turning discarded bottles into coastal sand. Crushed glass is now helping rebuild shrinking wetlandsNew Orleans is using crushed glass to build new islands and strengthen wetlands. This innovative approach tackles waste and coastal erosion...
In 1976, American animator Bob Boyle helped launch a campaign against Hudson River pollution. 39 years later, EPA's cleanup had removed more than 3 million cubic yards of PCB-contaminated sedimentIn 1976, American animator Bob Boyle helped launch a campaign against Hudson River pollution. The record shows that Robert H. “Bob” Boyle w...
Workers dredging Georgia's Savannah River found cannons that had vanished since the Revolutionary War; more than 200 years later, 19 were pulled from the waterWorkers dredging Georgia's Savannah River found cannons that had vanished since the Revolutionary War; more than 200 years later, 19 were p...
In 2018, Buffalo moved 56,000 cubic yards of mud dug from its waterways to Unity Island; habitat quality rose 128.8%, and fish species doubledOnce thought to be lifeless, the Buffalo River is undergoing a remarkable transformation, showcasing the power of ecological restoration. E...
Savannah turned 160,000 cubic yards of mud removed from its harbor into an 8-acre island; birds built more than 300 nests there in the first seasonNestled in Georgia, a harbor island crafted from dredged mud has become a refuge for over 300 bird families. This artificial sanctuary serv...
A New York City marsh was disappearing for decades; scientists added 20 inches of sand and watched what happened nextA salt marsh restoration experiment began at Big Egg Marsh in 2002. Scientists raised the marsh with sand and planted thousands of cordgras...
US military port project in Palau revives WWII memories, stokes fearsPalau plans a significant US military port expansion next year. This project aims to berth US Navy ships and deepen the harbor. Locals worr...
Boeing Plant 2 became obsolete by 2010 after building B-17s and early 737s; demolition reused nearly 100,000 tons of crushed concrete as backfill on the Seattle siteIn Seattle, the iconic Boeing Plant 2 has been dismantled, with a remarkable recycling initiative repurposing nearly 100,000 tons of concre...
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...
This 10,000-acre Texas wetland was cut off from sea and turned into a dust bowl. 70 years later, many native flora and fauna are being restored by conservationistsBahia Grande, a South Texas wetland, was transformed into a dust bowl after a 1936 ship channel project. Conservationists reopened a channe...
In recent years, workers began restoring 4,000 acres at Delaware's Prime Hook National Wildlife Refuge. Today, new dunes stand nearly 10 feet high as grasses thrive and wildlife returnsScientists are bringing a damaged delaware wetland back to life begins with a massive repair effort at Prime Hook National Wildlife Refuge....
This city in Florida lost nearly 80% of its Oyster reefs; now a restoration project is rebuilding what disappeared. Here's howNaples Bay is taking an innovative step by restoring its oyster reefs, which will enhance natural shoreline defenses. These vital reefs pla...
In 2007, Florida's Pinellas County won EPA approval for a nutrient plan for Lake Seminole. 17 years later, chlorophyll a dropped from 124 to 36 µg/L, proving restoration workedLake Seminole restoration is showing something Florida communities rarely get to see: a troubled urban lake actually getting better. In Pin...
In 2004, Iowa listed Kent Park Lake as impaired after nutrient and sediment runoff harmed clarity. 20 years later, monitoring showed it met algae and turbidity standardsKent Park Lake in Johnson County, Iowa, experienced water-quality problems linked to nutrient and sediment delivery, resulting in its place...
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 2014, California buried an abandoned airfield under 5.8 million cubic yards of harbor mud, then opened 998 acres to the tidesOnce serving as a military airfield, a site in Marin County, California, has evolved into a vibrant wetland. Engineers meticulously utilize...
In 2006, engineers reused 250,000 cubic yards of dredged sand to restore Elders Point East in Jamaica Bay. 10 years later, the approach had restored 40 acres of wetlands and helped reverse marsh-island erosionA New York Harbor dredging project became an opportunity to restore Jamaica Bay’s declining marsh islands. Beginning in 2006, the U.S. Army...