San Antonio might either be on the cusp of securing its water future at a relatively low cost, or it is pinning most of its hopes on a multibillion-dollar boondoggle that could diminish the water supply for fast-growing Central Texas and wouldn’t deliver what San Antonio expects.
Mountain Tunnel, a key part of the Hetch Hetchy water system - which supplies 2.6 million Bay Area residences and businesses - is at risk of a "catastrophic collapse" and will cost more than $100 million to repair or up to $630 million to replace, according to the San Francisco Public Utilities Commission.
The membranes industry is a large segment worth several billions. Membrane is a selective barrier that allows the passage of constituents and retains the other. It is a reliable and cost-effective material with high permeability and selectivity.
Mars Petcare has developed a recirculation system that reduces the potable water used for cooling in its pet food production process by 95%. Wastewater is also down by 95% and gas by 35% through the use of a treatment method that keeps the water microbiologically stable.
The global market for nanofiltration membranes increased from $172.8 million in 2012 to $190.2 million in 2013, and is estimated to total $215.6 million by the end of 2014 and $445.1 million by 2019, a CAGR of 15.6% during 2014 to
Texas Attorney General Greg Abbott today released the following statement on proposed federal regulations that unlawfully claim the Environmental Protection Agency’s Clean Water Act authority extends to stock tanks, small ponds and dry ditches:
The high level water source heat map summarises the result of a high level assessment of around 40 urban rivers with the highest potential for water source heat pump deployment, for both heating and cooling purposes.
A newly launched website will allow persons to audit an irrigation system completely from the field using mobile devices such as smart phones and tablets, according to a Texas A&M AgriLife Extension Service engineer.
In the letter, dated July 30, Ofwat chief regulation officer Sonia Brown said: "We think this is of sufficient importance for us to publicly raise concerns in your draft determination to be published on 29 August.
Pharmaceuticals, personal care products, herbicides and flame retardants are increasingly showing up in waterways. New Stanford research finds that a natural, low-cost solution – clams and mussels – may already exist for these contaminants of emerging concern, or CECs.