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Congress passed the National Invasive Species Act of 1996 (NISA) in an attempt to control aquatic invasive species. The Coast Guard issued ballast water regulations, pursuant to NISA, in 2012. The Environmental Protection Agency (EPA) has issued discharge permits for controlling ballast water under Clean Water Act authority.
The International Convention for the Control and Management of Ships' Ballast Water and Sediments ( Ballast Water Management Convention or BWM Convention) is a 2004 international maritime treaty which requires signatory flag states to ensure that ships flagged by them comply with standards and procedures for the management and control of ships ...
Ballast water discharges by ships can have a negative impact on the marine environment. The discharge of ballast water and sediments by ships is governed globally under the Ballast Water Management Convention, since its entry into force in September 2017. It is also controlled through national regulations, which may be separate from the ...
The VGP sets numeric ballast water discharge limits for large commercial vessels. The limits are expressed as the maximum acceptable concentration of living organisms per cubic meter of ballast water. The Coast Guard worked with EPA in developing the scientific basis and the regulatory requirements in the VGP.
National Invasive Species Act. An Act to provide for ballast water management to prevent the introduction and spread of nonindigenous species into the waters of the United States, and for other purposes. Organisms targeted by NISA are categorized as aquatic nuisance species, including in particular zebra mussels and Eurasian ruffe. To extend ...
The International Convention for the Prevention of Pollution from Ships, 1973 as modified by the Protocol of 1978, or " MARPOL 73/78 " (short for "marine pollution") is one of the most important international marine environmental conventions. [ 2] It was developed by the International Maritime Organization with an objective to minimize ...
Ballast tank. Cross section of a vessel with a single ballast tank at the bottom. A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, to provide a more ...
Regrowth inside ballast tanks. Ballast water discharge from other sides of the world cause a certain type of pollution different from an emission type pollution as it introduces invasive species that can literally cause domestic species to go extinct. After delivering their cargo, empty commercial ships need to take up water from the port of ...