5 MIN READ
08-24-2026
Four River Booms, One Commitment to Cleaner Waterways
Ferdi Wardika & Reza Pahlevi, 4ocean Jembrana Content Correspondent
Stopping Waste Before It Reaches the Ocean
Across four cleanup operations in July, the 4ocean Java Riverboom Team continued its work to intercept waste before it could travel farther downstream and eventually reach the ocean. These River Booms are supported by AquaOmega, whose partnership helps 4ocean Java maintain and operate the barriers that capture waste directly from waterways. Together, the teams carried out cleanup operations at Temuguruh, Blambangan, Kedungwungu, and Jatirejo, removing hundreds of pounds of accumulated debris.
At Temuguruh Riverboom, the team worked alongside Riverboom Team 5 after increased river flow in the preceding days brought additional waste into the barrier. After traveling approximately 21 kilometers from the 4ocean Java Base, the crew divided their tasks and began clearing the accumulated debris. The waste was collected, sorted, weighed, and transported back to the base for further processing.
The cleanup continued at Blambangan Riverboom, another waterway frequently carrying waste from upstream communities. The barrier had collected various types of household debris, particularly single-use plastics. The crew removed the accumulated waste and cleared the surrounding area to help maintain the flow of the waterway.
At Kedungwungu Riverboom, the team encountered a particularly difficult discovery. Alongside single-use plastics, household waste, and diapers, a livestock carcass had become trapped in the barrier. The strong odor and additional handling required made the cleanup more challenging, but the crew continued working until six sacks of waste had been removed, weighed, and prepared for transport.
The final operation took place at Jatirejo Riverboom, located in the middle of a large agricultural area. Despite the green surroundings, the waterway continued to carry waste that eventually became trapped in the barrier. Led by Ari Surya Prayoga, the crew worked together to remove six sacks of debris and transport them back to the 4ocean Java Base.
Impact Details
Across four River Boom cleanup sites, the 4ocean Java River Boom Team recovered a total of 1,413 pounds of waste across 44 sacks. The collected debris was dominated by plastic waste, alongside mixed and non-plastic materials recovered from the river barriers and surrounding riverbeds.
Every sack represents waste intercepted before it could continue downstream. The River Boom system provides an important opportunity to capture pollution while it is still concentrated in waterways, allowing the team to remove, document, and properly process the debris.
River cleanup rarely comes without obstacles. At Temuguruh, an uneven riverbed created unstable footing, requiring the crew to move carefully while removing debris from the barrier. At Kedungwungu, the livestock carcass trapped among the waste significantly slowed the operation and created difficult working conditions because of the strong odor.
Despite these challenges, the crews continued working together to safely clear the barriers and restore their ability to intercept incoming waste.
A Message from the Crew
Preventing waste from entering these waterways remains the most important step. Reducing single-use plastics, properly managing household waste, and disposing of trash responsibly can help stop pollution before a River Boom or cleanup crew ever has to remove it.
— Riverboom Team
A Partnership for Cleaner Waterways
The Riverboom Team understands that cleanup is only one part of addressing plastic pollution. Effective waste interception also depends on having the right infrastructure in place and maintaining it consistently. With support from AquaOmega, 4ocean Java continues to operate and maintain River Booms that help capture waste before it can travel farther downstream and reach the ocean.
Still, no cleanup operation can solve the problem on its own. Rivers and ditches are not dumping grounds. They are vital waterways that support communities, agriculture, wildlife, and eventually connect to the ocean.
Preventing waste from entering these waterways remains the most important step. Reducing single-use plastics, properly managing household waste, and disposing of trash responsibly can help stop pollution before a River Boom or cleanup crew ever has to remove it.
For 4ocean Java and AquaOmega, every cleared barrier represents another opportunity to protect a waterway before pollution travels farther downstream. With continued action and collaboration, these efforts can help build cleaner rivers and a healthier ocean for generations to come.
