Cleanup crews attack toxic goo in South Platte north of Denver

Federal environmental officials have taken charge of a continuing toxic leak into Sand Creek and the South Platte River north of downtown Denver, trying to stop oily black goo from fouling northeastern Colorado’s primary source of water.

Colorado Department of Public Health and Environment officials have known about hazardous leakages in the area for at least a month, documents show. And for a week, toxic vapors at the nearby Metro Wastewater Reclamation District facility have forced workers to wear respirators.

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Fracking of wells puts big demand on Colorado water

FORT LUPTON – Oil and gas drillers have bought at least 500 million gallons of water this year from cities for use in hydraulic fracturing, or “fracking,” along Colorado’s Front Range . Now they need more.

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Uranium sifted from groundwater piles up inside mine west of Denver

Nearly three-quarters of a ton of concentrated uranium removed from groundwater to protect metro-area drinking water is piling up at Cotter Corp.’s defunct mine west of Denver.

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Federal settlements give Colorado tribes a share of water right

Water has filled a massive new reservoir to the brim – the federal government’s first major project in 15 years that could help slake the arid West’s thirsts.

But the $513 million Nighthorse reservoir in south west Colorado will not supply any of the dozens of sprawling Western cities seeking water.

Instead, the 123,541 acre-feet of water stored here – more than Denver’s Cheesman and Gross reservoirs combined – belongs mostly to the Southern Ute and Ute Mountain Ute tribes.

The project reflects a quiet but substantial shift of control over a crucial resource as the federal government tries to turn a new page with tribes.

Six recent water settlements have forced the government to commit $2.04 billion for dam, pipeline and reservoir projects – giving sovereign tribes from Montana to New Mexico control over 1.5 million acre-feet of new water each year.

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Cotter cleans up toxic Colorado uranium mill as it considers future

CAÑON CITY – Cotter Corp. crews jack-hammered concrete foundations and ripped apart contaminated remaining buildings at their uranium mill, pushing to consolidate all waste in a massive impoundment pond by year’s end. Cotter’s dismantling activities are happening at a turning point where licensing requirements may force a decision on the future of the mill.

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Lapses in drilling rules concern Colorado municipalities, outdoors enthusiast

LONGMONT – Gaps in state rules leave Colorado cities and towns in the lurch as they deal with increased oil and gas drilling within municipal limits.

Environmental and sportsmen’s groups, too, are frustrated, because state rules allow drilling near most mountain streams.

All are urging state regulators to live up to a commitment made in 2009 to launch stakeholder groups to finish rules for in-town and streamside drilling. Two years later, nothing has been done.

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Colorado Water Conservation Board votes to study Wyoming pipeline plan

Colorado water authorities trying to prevent projected shortages have resolved to look further into a proposed multibillion-dollar pipeline to import water from Wyoming.

Meanwhile, the private developer who proposed the 570-mile pipeline — to move water from the upper Colorado River Basin to expanding Front Range suburbs — has applied to the Federal Energy Regulatory Commission for a license to build the pipeline.

A new poll finds Wyoming residents heavily oppose the pipeline.

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Drilling spills rise in Colorado, but fines rare

PLATTEVILLE — Colorado’s wave of gas and oil drilling is resulting in spills at the rate of seven every five days — releasing more than 2 million gallons this year of diesel, oil, drilling wastewater and chemicals that contaminated land and water.

At least some environmental damage from the oil-and-gas boom is inevitable, industry leaders and state regulators say, with a record-high 45,793 wells and companies drilling about eight more a day.

But a Denver Post analysis finds state regulators rarely penalize companies responsible for spills.

This year, the Colorado Oil and Gas Conservation Commission has imposed fines for five spills that happened three or more years ago. The total penalties: $531,350.

State rules obligate regulators to take a collaborative approach, negotiating remedies when possible rather than cracking down. In fact, the COGCC recently declared four companies responsible for the largest number of spills to be “Outstanding Operators” and lauded them for environmental excellence.

Oil and gas companies have reported 343 new spills this year, bringing the total since August 2009 to more than 1,000 spills, state data show.

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Colorado rolls out more water-saving tactics as conservation efforts pay off

CASTLE ROCK — Colorado’s latest tactic in the struggle to forestall water shortages: retrofitting suburban lawns with high-efficiency sprinklers.

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Thousands of old mines pollute Colorado waters, with no help in sight

As mountain snow starts to melt, trickling toxic acid laced with dissolved metals — arsenic, cadmium, copper, zinc — is fouling Colorado watersheds.

Nobody dares try to stop it.

Among the casualties: Peru Creek east of the Keystone ski area has been pronounced “biologically dead.”

State environmental officials also have listed 32 sites along the Animas River in critical condition. Some headwaters of the Arkansas River, too, are “virtually devoid of any aquatic life.”

The source of the contamination is abandoned mines — about 500,000 across the West, at least 7,300 in Colorado. Federal authorities estimate that the headwaters of 40 percent of Western rivers are tainted with toxic discharge from abandoned mines.

Colorado Department of Natural Resources records show 450 abandoned mines are known to be leaking measurable toxins into watersheds. So far, 1,300 miles of streams have been impaired.

But as bad as the damage is, community watershed groups, mining companies and even state agencies contend they cannot embark on cleanups for fear of incurring legal liability.

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