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Imperial progressing seep mitigations; nearing completion of cleanup from drainage pond overflow at Kearl

March 15, 2023

Imperial today provided an update on work underway at its Kearl oil sands facility. Nearly 200 people are working on related activities at the site. The company has toured community leaders through the area, as well as regulatory officials from the Alberta Energy Regulator, the Government of Alberta, Environment and Climate Change Canada (ECCC), and Fisheries and Oceans Canada.


Imperial is progressing seep mitigations; nearing completion of cleanup from drainage pond overflow at Kearl.

The Regional Municipality of Wood Buffalo has declared drinking water to be safe in the community of Fort Chipewyan.

Imperial’s current monitoring and water sampling data has been stable and shows no impacts to local waterways or drinking water. Imperial will be sharing further details regarding its water sampling shortly.

All seven Indigenous communities have been invited to site for tours and to conduct independent monitoring and water sampling; in-community meetings are occurring.
Imperial confirms there continues to be no indication of impacts to wildlife or fish.

Seepage mitigation and prevention

Imperial continues to address isolated areas of shallow seepage in close proximity to the Kearl operating lease. The seepage is primarily natural groundwater and precipitation, with a small amount of industrial wastewater.

The possibility of seepage is anticipated and included in mine design as part of regulatory requirements. Kearl’s seepage interception system is designed to capture seepage in deeper groundwater layers; however, the noted seepage originated in shallower layers.

To address these issues, Imperial is installing additional monitoring and pumping wells, as well as additional drainage structures in the area which will continue to collect water that can be pumped back to collection areas. Imperial has several drilling rigs onsite and work is near completion, we remain on track for 100% completion in the coming days.

17 of 17 pumping wells have been drilled
42 of 52 shallow monitoring wells have been drilled
64 of 72 deep monitoring wells have been drilled

Extensive and ongoing water monitoring has confirmed the seepage is isolated and has not entered local waterways and our water sampling continues to be stable and show there have been no impacts to local drinking water sources. There is no indication of impact to wildlife. Additional fencing has been installed at inactive work areas to prevent potential access by wildlife.

We have shared our mitigation and monitoring plans with communities and have asked for their input on these plans. We have also asked communities to tell us how they would like to participate in these monitoring programs.

Cleanup of drainage pond overflow

Work to clean up wastewater released from a drainage pond on January 31, 2023, is nearing completion. All impacted surface ice and snow in the area has been removed and safely disposed. Sampling is in progress to confirm all impacted materials have been removed.

Based on our monitoring, released fluids did not enter any waterways and our water sampling continues to show there has been no impacts to local drinking water sources. There is no indication of impact to wildlife. Imperial continues to work closely with the Alberta Energy Regulator on the cleanup.

Meeting with communities

Imperial extended invitations to all seven communities to visit the site, and also offered all communities the opportunity to do independent onsite monitoring and water testing. We are working directly with communities that have asked to do so.

Additional in-person meetings with communities are occurring at their request. Meetings are planned to review monitoring information with community representatives, and we are actively answering community questions.

We work hard to maintain transparent communication with our communities, and we recognize the communities’ concerns about delays in receiving additional information.

We deeply regret that our communications during our investigation into the seepage did not meet the expectations of some communities, we have committed to taking the necessary steps to improve our communications, so this does not happen again in the future.

It was always our intent to share our findings when we had more definitively determined the cause and planned actions. We are committed to learning from this and will continue to provide updates to the communities.

Water quality

On March 14, the RMWB issued a public update confirming that final test results of water from the Fort Chipewyan Water Treatment Plant is safe, potable and meets all Canadian drinking water standards and requirements. The RMWB posted the update to its website: 03.14.23-Community-Notice-FCWTP-Update.pdf (

In response to community concerns regarding local drinking water, Imperial is providing drinking water to communities who have requested it for emergency back-up purposes. We are in the process of sending a shipment to the community of Fort Chipewyan this week.

Imperial employs a robust water monitoring program at the Kearl site, which has been in operation for over a decade. Our extensive surface water monitoring to date shows no evidence to suggest that local drinking water supplies have been compromised.

The water in the seeps is primarily composed of natural groundwater, with a small contribution of industrial wastewater. Several naturally occurring constituents (i.e., minerals and metals) are elevated in the seep locations adjacent to the lease boundary. Importantly, our data tells us that all concentrations reduce quickly with increasing distance from the lease boundary and our monitoring continues to show no change to baseline conditions in the Firebag River.

Additionally, increased monitoring has been ongoing since the seepage issue was first identified in May 2022 and data has been shared openly with the Alberta Energy Regulator on an ongoing basis. Results have been stable and consistent with above commentary confirming there are no impacts to local drinking water supplies.

Imperial will be sharing further details regarding its water sampling shortly.

Environment and Climate Change Canada (ECCC) direction issued on March 10, 2023
We are responding to verbal direction provided by ECCC officials following their visit to Imperial’s Kearl site the week of March 6, 2023 and we are waiting for ECCC to provide us with the written Direction. Monitoring to date indicates there has been no impact to fish or local waterways. Several measures were underway prior to issuance by ECCC. Surface water pumps were installed and are helping prevent the seep from entering a waterbody.

Monitoring to date at this waterbody indicates there has been no significant change in baseline conditions. As part of our mitigation and monitoring plans that have been previously submitted to the Alberta Energy Regulator, we plan to collect the fish from this waterbody as a precaution and install a fish barrier to prevent migration.

Imperial understands that Environment and Climate Change Canada is seeking additional information and we are co-operating with the department.

| 1464 views | | 5 replies (last )
Post ID: @OP+1lIFXejw

5 replies (most recent on top)

Imperial Oil is a large toxic asset that needs to be cut loose by EM. It meets the overall criteria of a charity where several fat cat executives make millions of dollars in salaries, bonuses and incentive compensation for swatting flies and deffering all decisions to Exxon. Difficult days are ahead for these lazy fat cats.

Post ID: @9jcn+1lIFXejw

Our oil sands tailing ponds are slowly becoming an environmental disaster.

They are a strange and unnerving sight. Flocks of scarecrows decked out in bright orange sitting amid what appears to be small lakes. And with, in the background, what sounds like a constant barrage of shotg-n blasts.

These are tailings ponds, where the oilsands industry deposits the toxic sludge that is produced when bitumen oil is separated from the sand and gravel it’s embedded in by being blasted with heat, water and chemical solvents.

The scarecrows and the shotg-n blasts are meant to scare off any birds that may instinctively alight on the ponds and their top layers of residual oil.

The ponds β€” some of the largest in the world β€” now cover 176 square kilometres and hold enough liquid to fill the equivalent of 390,000 Olympic-sized swimming pools. According to Alberta Environment, if dikes, berms, beaches and other pond infrastructure are included, the footprint extends to 220 square kilometres.

That’s 10 times larger than 20 years ago.

β€œAnd yet there is no immediate solution to all the problems they create,” says analyst Erin Flanagan of the Pembina Institute, a Calgary-based environmental NGO.

The tailings ponds sit on an important migratory bird pathway used by millions of geese, ducks, swans, loons and dozens of other species flying north in the spring and south in the fall. Since from the air one body of water looks like another and some of the ponds can be the largest bodies of water around, the birds easily mistake a soup of contaminants for a freshwater lake. This is especially true in spring, when other bodies of water are still frozen but the tailings ponds are too loaded with chemicals to completely ice over.

But the scarecrows and noise didn’t work very well in April 2008 when 1,600 ducks died in a Syncrude tailings pond. Syncrude was found guilty of breaking two environmental laws and fined $3 million. The images of oil-soaked, dying ducks flashed around the world and brought the size and scale of the land scarred by oilsands extraction and the deadly tailings ponds to international attention.

Post ID: @1kbf+1lIFXejw

No body cares about Imperial you Canadian simp.

Post ID: @1gyj+1lIFXejw

At least they didn’t have a chemical train detail all over their ish

Post ID: @gra+1lIFXejw

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