Moisture content is defined as the ratio of the weight of the water to the weight of the solid particles in a soil medium. The moisture content in sands generally lies between 10 percent and 30 percent, while in clay it can range from less than 5 percent to more than 300 percent. The importance of moisture content in a soil mass cannot be understated.
A new book titled, Well … What’s All That Drilling About? has been published by the American Ground Water Trust. The 40-page illustrated narrative is about two children watching the drilling of a home’s water well and the installation of a pump.
The U.S. Environmental Protection Agency is promulgating a rule that makes several targeted regulatory revisions to the existing national primary drinking water regulations (NPDWRs) for lead and copper.
The Lake Malawi Drilling Project recently completed a scientific drilling campaign, recovering a series of continuous sediment cores for paleoclimate studies.
Monitoring wells are fundamental to every ground water investigation. In pollution assessment and remediation, ground water monitoring wells often provide the only means for collecting representative ground water samples at a fixed location over time.
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