Longmont’s City Council is to get a Tuesday night city staff presentation about the status of removing and replacing the contaminated soil found at the site of the still-producing Stamp Well northwest of Union Reservoir.
The soil was removed after the well’s owner, TOP Operating, found and reported the contamination after discovering in May that a water tank there had been leaking, city officials have said.
In a memo to the council for Tuesday night’s meeting, city staff said it “will provide a brief update on recent remediation activities at the Stamp oil and gas well.”
Staff wrote that “on May 14, 2020, the Colorado Oil and Gas Conservation Commission (COGCC) received notification of a release of fluids at the Stamp #31-2C oil and gas well. …A crack in the produced water tank on site was identified as the source.
“In accordance with state regulations, the operators filed a Spill/Release Report and an Initial Site Investigation and Remediation Work Plan with the COGCC. The City of Longmont was also notified.
“Under direction from the COGCC and working with Eagle Environmental Consulting, a site investigation was undertaken to identify the extent of the leaking tank’s soil impacts. The investigation resulted in an extensive excavation and removal of contaminated soil from the site, a process that was completed on July 8,” city staff wrote the council.
“The area is now being backfilled with clean soil. COGCC will next require installation of monitoring wells to test the groundwater for oil and gas related compounds, and will provide direction if any additional remediation is required.”
Staff said that while it is the Colorado Oil and Gas Conservation Commission’s jurisdiction to enforce these oil and gas regulations, Longmont’s staff has visited the Stamp Well site regularly during the remediation to monitor those activities.
Longmont also has contracted with Terracon Environmental Consulting “to provide third-party verification that all cleanup standards are being met,” staff said.
Longmont will be paying Terracon an estimated $7,600 for that work, including sampling, labor and analytical laboratory costs, Public Works and Natural Resources Department spokesperson Becky Schol said in a Friday email.
TOP Operating has not responded to several Times-Call emails asking for information about the Stamp Well situation.
The well — drilled in 1983 — is on city-owned property outside Longmont’s boundaries, but under a May 2017 City Council-approved agreement with TOP, the company will eventually plug and abandon the well. However, it can continue to periodically produce oil from the facility in the meantime in order to maintain the leasing rights it leases to the oil beneath the property’s surface.
If you watch
What: Longmont City Council regular meeting
When: 7 p.m. Tuesday
Where: Council and city staff members will be participating from remote locations. People can watch the meeting by clicking ‘play’ on the video link within the interactive agenda window.
Agenda: tinyurl.com/y5fznhzg
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July 26, 2020 at 06:47AM
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Longmont City Council to hear status of Stamp Well soil cleanup - Longmont Times-Call
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