Dealing effectively with hydrogen sulfide (H2S) in groundwater presented a major challenge for coastal Indian River County, Fla. Stripping the odorous substance from the water was only half the solution; keeping the smell from drifting through the air in the neighborhood was the other half.
Like most central
Florida communities, Indian River relies on deep wells to withdraw water from
the Floridan aquifer. The inland supplies are fresh water, and the coastal resource
is typically high in total dissolved solids (TDS) and chlorides. Both the fresh
and saline water supplies contain high concentrations of H2S.
The city of Chandler (Ariz.) Municipal Utilities Department (MUD) employs coagulation, sedimentation, active flow control and filtration to produce 60 million gal per day (mgd) of water at its surface water treatment plant. In addition, the system includes 27 wells and 21 booster stations controlled by SCADA. Water distribution is provided through more than 1,200 miles of water main, in excess of 7,500 fire hydrants and more than 25,500 water valves. The city also has several facilities that treat wastewater, and...
Water related issues are getting challenging day by day. Threats of water pollution and scarcity have become quite threatening. On the other hand, global usage of water has significantly increased. On this context, ideas like domestic water reuse have become essential.Key technologies and processes:Good news is that technologies for domestic water reuse have advanced in a noteworthy fashion. Biological processes for wastewater treatment have been effective in terms of removal of the unwanted nutrients from the...
Description
An undocumented surface spill at an active manufacturing facility located adjacent to a public water supply well field released chlorinated volatile organic compounds (PCE, and its breakdown products: TCE, c-DCE, and VC) into soils and groundwater. The driver for site cleanup was three water supply wells located 200 feet downgradient of the site bounds. The chosen endpoint remediation technology was ozone sparging employing the KTI C-Sparge™ process to reach the target cleanup criteria of EPA...
Mountain West Commercial Diving currently uses their Deep Trekker underwater drone to conduct ROV inspections or potable water towers.Aim to exceed the client’s expectation while adhering the highest standards in industry compliance and safety; that is the goal of Mountain West Commercial Diving (MWCD). Based out of Hazelton, Idaho, MWCD has over 25 years of experience in successfully completing underwater tasks ranging from repairing dams and reservoirs to inspecting and maintaining potable water systems....
Andrea Croskrey, PG, of the Texas Water Development Board will give the keynote presentation at the NGWA Conference on Hydrogeophysics and Deep Groundwater, March 20-21 in Denver, Colorado. Focusing on the use of geophysics—from remote sensing to borehole applications—for groundwater studies, the conference also includes a follow-up to the 2014 NGWA Conference on Characterization of Deep Groundwater.
Below Croskrey gives a preview of her presentation as well as what she is looking forward to...
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