Changes to NSF/ANSI Standard 60 may impact the use of sodium hypochlorite in drinking water systems. New rules are being considered for the contaminates bromate, perchlorate and chlorate, all of which can be traced to sodium hypochlorite. US drinking water systems are concerned about disinfection products that might contaminate the water either from contaminants that […]
Month: November 2011
Marines to Recycle Wastewater in San Diego for Landscape Irrigation
The Marine Corps Recruit Depot in San diego is pioneering a type of on-site wastewater recycling system. It will divert 10,000 gallons of sewage at the base each day, treat it to state standards and pump it through irrigation lines to the roots of landscape plants. If all works according to plan, passers-by won’t notice […]
Monteray Bay Aquarium Uses Ozone and UV to Treat Water Returned to Bay
Monterey Bay Aquarium is one of the largest wastewater dischargers of water into the protected Pacific Grove area of the bay. The State Water Resources Control Board exempted the aquarium from a state ban on dumping wastewater into a marine protected zone. The aquarium continuously takes in about 1,400 gallons of seawater a minute and […]
Drinking Water Plants in the Atlanta Metro Area Moving Away from Chlorine Gas
Cobb County-Marietta Water Authority replaced 24 1,500-pound tanks of chlorine gas two years ago with an electrolytic bleach system at its James E. Quarles Water Trement Plant. A similar conversion is under way as part of the $103 million renovation of the authority’s other water purification facility, the Hugh A. Wyckoff Water Treatment Plant in […]
Cottonwood, Az Plans to Reclaim Wastewater for Drinking Water Using Advanced Oxidation
Cottonwood, AZ is planning on using reclaimed wastewater as a drinking water source sometime in the next15 or 20 years. The city plans to build an $8 million, wastewater treatment plant capable of removing many trace synthetic compounds via advanced oxidation using ozone and hydrogen peroxide. The focus is on pharmaceuticals which have recently become […]