Underground Wastewater Injection Wells

December 11, 2017 • EARTHWORKS
Large volumes of oil and gas wastewater are ultimately disposed of in underground injection wells (UICs) through a federal program mandated under the Safe Drinking Water Act. Most of the estimated 180,000 UIC wells nationwide that are designated for oil… More »

Surface spreading of drilling wastes

December 11, 2017 • EARTHWORKS
Many states allow “brine” (produced water) from conventional drilling operations to be spread on roads as a de-icer and dust suppressant. Brine can contain high levels of salt, chloride, and chemicals, which can pose risks to wildlife, vegetation, and drinking water. Some… More »

The Halliburton Loophole

December 11, 2017 • EARTHWORKS
Despite the widespread use of the practice, and the risks hydraulic fracturing poses to human health and safe drinking water supplies, the U.S. Environmental Protection Agency (“EPA”) does not regulate the injection of fracturing fluids under the Safe Drinking Water… More »

Pit Rule

December 11, 2017 • EARTHWORKS
There are many fluids and wastes associated with oil and gas operations that can poison living organisms. This web page contains information on some of the following issues of concern related to the storage and disposal of oil and gas… More »

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Salt Cavern gas storage

December 11, 2017 • EARTHWORKS
Salt caverns account for about 10% of gas storage capacity nationwide, mostly in the South and East. Storage occurs after the excavation of naturally occurring salt domes, which are deep and narrow, or salt beds, which are wide and shallow.… More »

Pipelines

December 11, 2017 • EARTHWORKS
Pipelines carry oil, gas, wastes and related products to and from drilling, processing, and distribution areas under high pressure. There are four main types of pipelines: Gas pipelines Oil and hazardous liquid pipelines Gathering pipelines Distribution pipelines and alternatives to… More »

Stock Raising Homestead Act of 1916 (SRHA)

December 11, 2017 • EARTHWORKS
The Stock-Raising Homestead Act of 1916 provided settlers 640 acres of public land—a full section or its equivalent—for ranching purposes. SRHA allows ranchers to homestead (i.e. privatize) lands originally deemed of no value except for livestock grazing and the growing… More »

Submarine Tailings Disposal

December 11, 2017 • EARTHWORKS
Producing just one gold ring generates 20 tons of mine waste. So where does all this waste go? Much of the waste generated from mining comes during the extraction process, after the target  mineral is separated from the ore. This… More »