Sentences with phrase «groundwater wells»

Developed project specifications, such as placement of wells at site, design and selection of groundwater well construction materials, and analytical sampling plans.

So far, results indicate that any methane readings in groundwater wells came from organic matter.

It involves a little bit of everything: a slice of conservation, some compromise by farmers, some new groundwater wells and so on.

It was considered a model of successful recycling of coal combustion waste until tests of nearby groundwater wells discovered arsenic and lead levels exceeding drinking water standards, according to city water tests.

At soil depths greater than 30 feet below the surface, the soil temperature is relatively constant, and corresponds roughly to the water temperature measured in groundwater wells 30 to 50 feet deep.

The team also is seeking additional funding to begin monitoring groundwater wells near wastewater injection wells, where fracking brine is deposited after the wells are drilled.

Gido, Perkin and their colleagues at the U.S. Geological Survey, Colorado State University, Colorado Parks and Wildlife, Westar Energy and The Nature Conservancy used groundwater well data from the 1950s to 2010 to track the rate of change in the water table of the High Plains Aquifer.

Foes of a New York City plan to study reopening dozens of dormant groundwater wells in Southeastern Queens urged the plan's postponement to make sure Long Island's water supply wouldn't be jeopardized.

DEEP WATER Deep groundwater wells, such as this hand - pumped well in Uganda being operated by water resources scientist Scott Jasechko, can contain mixes of old and young water and traces of pollution.

The dynamic works both ways: While streams can be drained by groundwater wells, they can be fed by underground aquifers, the USGS has found.

Water samples were collected monthly from 14 groundwater wells at the Living Filter.

«Similar to how non-invasive medical imaging has reduced the need for invasive, exploratory surgeries, geophysical monitoring techniques, such as SSIP, allow us to monitor large volumes of aquifer sediments without having to drill groundwater wells, which saves money and disturbs less land,» said project lead Dr. Kenneth Williams, LBNL.

The SSIP field monitoring approach makes it possible to monitor the subsurface with very high spatial resolution - areas as small as 0.3 m - and without the need for groundwater wells.

The study was part of the Defense Department budget because perfluorinated compounds have contaminated groundwater wells on and near military bases across the country, primarily through the use of firefighting foams.

Year after year, as the rivers and streams have dwindled, the state's Department of Water Resources, which requires permits, has continued to issue them, allowing new groundwater wells, and not counting their withdrawals as part of a single system.

At least 140 million people in Asia are drinking arsenic - contaminated water, and the ever - expanding use of groundwater wells — a growing population needs water to drink, and farmers need it to grow crops to feed them — has been making the situation worse.

Tests at another site, a groundwater well near the former Northrop Grumman plant, a Superfund site that sits within the Bethpage Water District, hit 37.8 parts per billion.

David Roberts oversees water rights and policy for the Salt River Project, one of the state's largest public water and power utilities, which is suing landowners over their groundwater wells.

Problems arise from the fact that, firstly, arsenic concentrations can vary widely at the local level and, secondly, people in many areas are completely unaware of the risk because their groundwater wells have never been screened for arsenic.

There is no reason to permit hundreds of new groundwater wells to be drilled in the Mojave Desert.