Ken Belitz (Former Employee)

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June 17, 2019

New Study Shows High Potential for Groundwater to be Corrosive in One-Half of U.S. States

A recent U.S. Geological Survey (USGS) assessment of more than 20,000 wells nationwide indicates that groundwater in 25 States and the District of Columbia has a high potential for being naturally corrosive. The States with the largest percentage of wells with potentially corrosive groundwater are located primarily in the Northeast, the Southeast, and the Northwest.

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Ecosystems Mission Area, Environmental Health Program

New Study Shows High Potential for Groundwater to be Corrosive in One-Half of U.S. States

June 17, 2019

New Study Shows High Potential for Groundwater to be Corrosive in One-Half of U.S. States

A recent U.S. Geological Survey (USGS) assessment of more than 20,000 wells nationwide indicates that groundwater in 25 States and the District of Columbia has a high potential for being naturally corrosive. The States with the largest percentage of wells with potentially corrosive groundwater are located primarily in the Northeast, the Southeast, and the Northwest.

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March 2, 2019

Groundwater Quality Research

Every day, millions of gallons of groundwater are pumped to supply drinking water for about 140 million people, almost one-half of the Nation’s population. Learn about the quality and availability of groundwater for drinking, where and why groundwater quality is degraded, and where groundwater quality is changing.

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Water Resources Mission Area, National Water Quality Program, Colorado Water Science Center, Dakota Water Science Center, Wyoming-Montana Water Science Center

Groundwater Quality Research

March 2, 2019

Groundwater Quality Research

Every day, millions of gallons of groundwater are pumped to supply drinking water for about 140 million people, almost one-half of the Nation’s population. Learn about the quality and availability of groundwater for drinking, where and why groundwater quality is degraded, and where groundwater quality is changing.

Learn More

March 1, 2019

Corrosivity

Corrosivity describes how aggressive water is at corroding pipes and fixtures. Corrosive water can cause lead and copper in pipes to leach into drinking water and can eventually cause leaks in plumbing. Surface water and groundwater, both sources of drinking water, can potentially be corrosive.

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Water Resources Mission Area, National Water Quality Program

Corrosivity

March 1, 2019

Corrosivity

Corrosivity describes how aggressive water is at corroding pipes and fixtures. Corrosive water can cause lead and copper in pipes to leach into drinking water and can eventually cause leaks in plumbing. Surface water and groundwater, both sources of drinking water, can potentially be corrosive.

Learn More

March 1, 2019

Public Supply Wells

Are you among the more than 100 million people in the U.S. who relies on a public-supply well for your drinking water? Although the quality of finished drinking water from public water systems is regulated by the EPA, long-term protection and management of the raw groundwater tapped by public-supply wells requires an understanding of the occurrence of contaminants in this invisible, vital resource...

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Water Resources Mission Area, National Water Quality Program

Public Supply Wells

March 1, 2019

Public Supply Wells

Are you among the more than 100 million people in the U.S. who relies on a public-supply well for your drinking water? Although the quality of finished drinking water from public water systems is regulated by the EPA, long-term protection and management of the raw groundwater tapped by public-supply wells requires an understanding of the occurrence of contaminants in this invisible, vital resource...

Learn More

October 31, 2018

All about corrosivity

A U.S. Geological Survey assessment of more than 20,000 wells nationwide shows that untreated groundwater in 25 states has a high prevalence of being potentially corrosive. The states with the largest percentage of wells with potentially corrosive groundwater are located primarily in the Northeast, the Southeast, and the Northwest. These FAQs were written in conjunction with that study. In...

By

Water Resources Mission Area, National Water Quality Program

All about corrosivity

October 31, 2018

All about corrosivity

A U.S. Geological Survey assessment of more than 20,000 wells nationwide shows that untreated groundwater in 25 states has a high prevalence of being potentially corrosive. The states with the largest percentage of wells with potentially corrosive groundwater are located primarily in the Northeast, the Southeast, and the Northwest. These FAQs were written in conjunction with that study. In...

Learn More

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January 1, 1988

Hydrodynamics of Denver basin: Explanation of subnormal fluid pressures Hydrodynamics of Denver basin: Explanation of subnormal fluid pressures

Anomalously low fluid potential (and hence subnormal fluid pressure) is found in Mesozoic and Paleozoic rocks of the Denver basin. The potentiometric surface for the Dakota and basal Cretaceous sandstones is 2,000-3,000 ft (600-900 m) beneath the land surface in parts of the Denver basin in Colorado and Nebraska. The potentiometric surface for pre-Pennsylvanian carbonate rocks is 1,500...

Authors

Kenneth Belitz, John D. Bredehoeft

By

Water Resources Mission Area, New England Water Science Center

January 1, 1988

Character and evolution of the ground-water flow system in the central part of the western San Joaquin Valley, California Character and evolution of the ground-water flow system in the central part of the western San Joaquin Valley, California

The occurrence of selenium in agricultural drain water derived from the western San Joaquin Valley, California, has focused concern on the ground-water flow system of the western valley. In this investigation, previous work and recently collected texture and water-level data are used to evaluate the character and evolution of the regional ground-water flow system in the central part of...

Authors

Kenneth Belitz

January 1, 1988

Lateral fluid flow in a compacting sand-shale sequence: South Caspian basin Lateral fluid flow in a compacting sand-shale sequence: South Caspian basin

The South Caspian basin contains both sands and shales that have pore-fluid pressures substantially in excess of hydrostatic fluid pressure. Pore-pressure data from the South Caspian basin demonstrate that large differences in excess hydraulic head exist between sand and shale. The data indicate that sands are acting as drains for overlying and underlying compacting shales and that fluid...

Authors

John D. Bredehoeft, R. D. Djevanshir, Kenneth Belitz

By

Water Resources Mission Area, New England Water Science Center

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