Water Environment & Technology (WE&T) is the premier magazine for the water quality field. WE&T provides information on what professionals demand: cutting-edge technologies, innovative solutions, operations and maintenance, regulatory and legislative impacts, and professional development.
Information technology evolves to address the tidal wave of TMDLs
To satisfy the data requirements of total maximum daily load (TMDL) development requirements requires a lot of data. These data points need to be measured, captured, collected, stored, and analyzed. For even a single TMDL, it can be a daunting task. When expanded nationwide, it’s enormous.
Luckily data management technology is catching up to help.
Getting the courts involved
Injecting brine, a byproduct of hydraulic fracturing, into deep wells is a common practice by natural gas companies. Typically, companies that inject either have no local water resource recovery facilities (WRRFs) that can or will treat their wastewater, which is often heavy with dissolved solids, or state law forbids any disposal method of this wastewater besides deep-well injection. But, growing evidence indicates that deep-well injection can cause earthquakes — especially in regions that are not prone to earthquake activity.
Coming in the next issue:
According to the U.S. Geological Survey, just 6 years ago, an estimated 268 million people relied on public-supply water for their household use. This represented about 86% of the total U.S. population. But the water supply wasn’t infinite, a harsh reality that water starved regions such as the Southwestern U.S. have encountered.
Water supplies need to be replenished and water reuse can help, but it requires monitoring. The June issue will explore how municipalities, utilities, and researchers are approaching the need to maximize all water resources.
For example, the Metropolitan Water Reclamation District of Greater Chicago and the Chicago Department of Water Management are exploring the ability to use a century-old abandoned potable water tunnel as a stormwater capture tunnel. The plan would harvest rainwater from rooftops on a large scale. This project, essentially, would create the world’s largest rain barrel with the potential for reusing stored rainwater for nonpotable purposes.
One step farther along the water cycle, the CONSERVE Center of Excellence at the University of Maryland is developing water reuse solutions to safely irrigate vegetable and fruit crops that are generally consumed raw. These crops require the highest quality, contaminant-free water for irrigation. The center also will have a significant educational component that includes the development of university- and K-12-level materials on water reuse, food safety, food production and environmental sustainability.
Also in this issue
Mitigating corrosion in collection systems. A Canadian utility found strategies to inhibit hydrogen sulfide and chlorine corrosion.
SRF update. WEF- and WateReuse Association-sponsored economic report reveals full benefits of investing in the Clean Water and Drinking Water State Revolving Funds.
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