System for perchlorate in groundwater demonstrated
A demonstration system for the degradation of perchlorate, which minimises production of a secondary waste system such as that from ion‑exchange, has been installed at Aerojet General Corporation's site near Rancho Cordova in California, USA.
EPA funding for Arlington Desalter's biological denitrification
California's Western Municipal Water District (WMWD) confirmed on 10 February 2011 that it had secured a US$ 528,000 federal grant in January for design work on a treatment system that uses naturally occurring bacteria to remove toxic contaminants, including perchlorate and nitrate, from drinking water.
USEPA chief briefs Senate on dangerous contaminants
Perchlorate, chromium-6 and volatile organic compounds (VOCs) in drinking water were all discussed by the US Environmental Protection Agency's administrator, Lisa P Jackson, in testimony before the Senate Committee on Environment & Public Works on 2 February 2011.
USEPA nears decision on perchlorate water standard
The US Environmental Protection Agency (EPA) is in the process of making a final decision on whether to set a drinking water standard for perchlorate.
BIOBROx bill passes US House committee
The United States House of Representative's Committee on Natural Resources approved on 11 September 2009 Magna Water District Water Reuse & Groundwater Recharge Act of 2009 (HR 2265) proposed by Representative Jason Chaffetz.
Perchlorate decision could be good for RO
The US Environmental Protection Agency (USEPA) is backtracking on a decision made under the Bush administration not to regulate the chemical perchlorate in drinking water.
Desalination plant's nitrate removal has hidden benefits
A water district in California has found a novel way to remove multiple contaminants from groundwater currently feeding a desalination plant without creating waste that requires costly treatment and disposal.
EDR/MBR well treatment may debut in Utah
A membrane bioreactor (MBR) system, developed and patented in 2008 by Magna Water District (MWD), in the US state of Utah, and Carollo Engineers, could be used for the first time together with an electrodialysis reversal (EDR) facility to remove perchlorate and arsenic from the Barton Well Field in Utah.