Parachute Creek spill: Day 29

COGCC Executive Director Matt Lepore (l) and Williams VP & General Manager Dave Keylor respond to questions about the Parachute Creek spill at Energy Advisory Board meeting - Thursday night in Rifle

COGCC Executive Director Matt Lepore (l) and Williams VP & General Manager Dave Keylor respond to questions about the Parachute Creek spill at Energy Advisory Board meeting – Thursday night in Rifle

Williams Energy, state officials address residents

Locals question water sampling credibility
Company in charge of tests near Parachute Creek plume, Bargath, was fined $275K for water-quality violations in 2012

Few answers available on source of leak

Williams subsidiary fined over stormwater violations

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Highlights of EAB Meeting – April 4, 2013

At Thursday night’s EAB meeting in Rifle, Dave Keylor (Williams VP & Gen Mgr—Piceance) revealed that on January 3, 2013, they had a significant event (spill) when a pressure gauge burst at the valve site where they are currently excavating and which is the focus of the current COGCC investigation into the Parachute Creek spill-leak-seep-plume. At that time Williams had determined that less than 25 gallons of fluids had leaked at the site so therefore it was not reported.

Keylor said Williams is storing the contaminated soil on site in containment tanks. They are also storing some of the contaminated groundwater on site in tanks, as well as trucking some out.

In answer to a question about the depth of the underground plume of contaminated water and hydrocarbon liquids below the surface of the ground along the east side of Parachute Creek, Keylor said that they do not know if the groundwater is contaminated below a depth of 18 feet. Nor do they know if the groundwater is contaminated between the depth of 14 feet and the surface of the ground.

Williams and the COGCC have NOT taken water samples at the elevation where Parachute Creek and the water table are the same, which is downstream from the Williams Gas Processing Plant. There’s a big bend in Parachute Creek but it does not show up on this Potentiometric Surface Map (it was visible on the map shown at the meeting). If the big bend did show up on this map it would be about where the little locater square map is on the bottom by the legend. Nor are they taking water samples at the town of Parachute’s municipal water intake, which is downstream as well.

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