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 November 6, 2015 - 1:00 PM EST
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Results of AER Dam Safety Inspections Released

CALGARY, ALBERTA--(Marketwired - Nov. 6, 2015) - Following commitments made after the Auditor General's report on dam safety in Alberta, the Alberta Energy Regulator (AER) has released the results of its dam safety inspections held earlier this year.

Containment structures like dams and liquid impoundments, including oil sands tailing ponds, coal tailings ponds, and oil and gas fluid storage ponds, are used in the environmentally responsible development of Alberta's energy resources. Over the past six months, AER inspectors have examined 100 of the 111 containment structures that it regulates to ensure that they are constructed, operated, maintained, and decommissioned safely.

Of the 11 structures not inspected, 9 were only recently approved for start of construction. The remaining 2 will be inspected next year and are considered low risk.

"The AER has a proactive inspection program in place to ensure that dams and other containment structures related to energy resource development remain in compliance with safety and environmental requirements. The most recent round of inspections uncovered one significant deficiency, which is the subject of an active investigation," said Kirk Bailey, executive vice president of Operations with the AER. "Albertans should feel confident that the AER is committed to protecting what matters most - public safety and the environment."

Inspections of 55 oil sands structures and 14 oil and gas structures did not identify any significant deficiencies.

AER staff also inspected 31 coal mine structures. One structure, owned by Coal Valley Resources, was found to be significantly deficient. Inspectors found erosion within the structure, which was causing a free flow of water from a partially reclaimed pit, which is a contravention of several Environmental Protection and Enhancement Act approval conditions. The AER is investigating this noncompliance and will release the results of its investigation when complete. Information about the ongoing investigation can be found on the Compliance Dashboard.

In March 2014, the AER assumed responsibility for regulating all containment structures used in the development of Alberta's energy resources. In March 2015, the AER committed to making results of the dam safety inspections public.

The Alberta Energy Regulator ensures the safe, efficient, orderly, and environmentally responsible development of hydrocarbon resources over their entire life cycle. This includes allocating and conserving water resources, managing public lands, and protecting the environment while providing economic benefits for all Albertans.

FOR BROADCAST USE:

Following commitments made after the Auditor General's report on dam safety in Alberta, the Alberta Energy Regulator has released the results from its inspections of 100 of the 111 dams and liquid impoundments that it regulates in the province. In all but one instance, AER requirements were met.

Backgrounder: AER-regulated dams

AER-Regulated Dams

The following chart lists oil sands dams, dates of inspection, structures inspected, and the findings. Dams are rated based on the Dam Safety Guidelines, published in 2007 by the Canadian Dam Association. The scale is based on the consequence of a critical failure of the structure.

Oil Sands Dams (very high to extreme consequence)
 
Company   Operations   Date of Inspection   Structure   Consequence Classification Inspection Findings
Syncrude   Mildred Lake   July 21-23, 2015   Mildred Lake
Settling Basin
  Extreme No significant deficiencies discovered.
            West In-pit NS
End Enclosure
  Extreme No significant deficiencies discovered.
            Southwest I.P.
North End Dam
  Extreme No significant deficiencies discovered.
            Southwest Berm (Dyke)   Very High No significant deficiencies discovered.
            Coke Cell 5   Extreme No significant deficiencies discovered.
            Southwest Sand Storage Facility   Extreme No significant deficiencies discovered.
            EIP Highway 63 Berm   Extreme No significant deficiencies discovered.
            EIP North
Closure Dam
  Extreme No significant deficiencies discovered.
            EIP Boundary
Dyke Facility
  Extreme No significant deficiencies discovered.
            Mildred Lake Dam   Very High No significant deficiencies discovered.
            Beaver Creek Diversion   Very High No significant deficiencies discovered.
    Aurora North   July 24, 2015   Aurora Settling Basin   Extreme No significant deficiencies discovered.
Suncor   Lease 86/17   August 24-26, 2015   Pond 1   Extreme No significant deficiencies discovered.
            Pond 1a   Extreme No significant deficiencies discovered.
            Pond 2/3   Extreme No significant deficiencies discovered.
            Pond 4, 4G, 4G2   Extreme No significant deficiencies discovered.
            Pond 5   Extreme No significant deficiencies discovered.
            Pond 6   Extreme No significant deficiencies discovered.
    Millenium Mine   August 24-26, 2015   Pond 7   Extreme No significant deficiencies discovered.
            Pond 8   Extreme No significant deficiencies discovered.
            Pond 8a   Extreme No significant deficiencies discovered.
            Pond 8b   Extreme No significant deficiencies discovered.
            South Tailings Pond   Extreme No significant deficiencies discovered.
Shell   Muskeg River Mine   July 22-23, 2015   External Tailings Facility (ETF)   Extreme No significant deficiencies discovered.
            South Expansion Area (SEA)   Extreme No significant deficiencies discovered.
            In-Pit Dykes (1, 2, 2i, 3S, 3N)   Very High No significant deficiencies discovered.
    Jackpine Mine   July 21, 2015   External Tailings Facility (ETF)   Extreme No significant deficiencies discovered.
            In-Pit Dykes   Very High No significant deficiencies discovered.
Suncor   Fort Hills   September 1, 2015   Out-of-pit Tailing
Area (OPTA)
  Extreme No significant deficiencies discovered.
CNRL   Horizon   August 27, 2015   Pond 1 (Dyke 10)   Extreme No significant deficiencies discovered.
            Horizon Dam   Extreme No significant deficiencies discovered.
Imperial Oil   Kearl Project   September 2-3, 2015   External Tailings
Area (ETA)
  Extreme No significant deficiencies discovered.

Carrie Rosa, AER Office of Public Affairs
780-638-3512
carrie.rosa@aer.ca
Media line: 1-855-474-6356


Source: Marketwired (Canada) (November 6, 2015 - 1:00 PM EST)

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