Additional Information
For the Timeline of Facts and Events leading up to where we are now please click the BUTTON
Rimrock Biodigester Project has been approved
On December 11, 2023 Alberta Environment and Protected Areas gave the Approval of the Rimrock Renewables LTD. biodigester project application under the Environmental Protection and Enhancement Act. Please see the full document in the Files Section of this site. December 2023
Open / download the Document -- (PDF file 600KB)
NRCB 24-Hour Hotline
The NRCB Confined Feeding Operations 24-Hour Complaint Hotline is 1-866-383-6722 or
file an online complaint by clicking here
Or visit their website
You can also contact Alberta Environment at 1-800-222-6574.
Rimrock Biodigester Facility - NEWEST Supplemental Information Request #2
Second response to Alberta Environment and Protected Areas Supplemental Information Request for Application to Alberta Environment and Parks for an Environmental Protection and Enhancement Act Industrial Approval.
Submitted Late - July 17, 2023
Open / download the Document -- (PDF file 41MB)
AEPA Cover Letter Request for SIR2 - March 23, 2023
Alberta Environment and Parks request for supplemental Information from Rimrock
Deadline for Rimrock Submission - June 19, 2023
Open / download the Document -- (PDF file)
Rimrock Biodigester Facility - Supplemental Information Request #1
First response to Alberta Environment and Protected Areas Supplemental Information Request for Application to Alberta Environment and Parks for an Environmental Protection and Enhancement Act Industrial Approval.
Submitted LATE - February 13, 2023
Open / download the Document -- (PDF file 33MB)
AEPA Cover Letter Request for SIR1 - November 28-2023
Alberta Environment and Parks request for supplemental Information from Rimrock Deadline for Rimrock Submission - January 30, 2023
Open / download the Document -- (PDF file)
Rimrock Biodigester Facility - Application - June 9, 2022
Application to Alberta Environment and Parks for an Environmental Protection and Enhancement Act Industrial Approval.
Submitted June 9, 2023
Open / download the Document -- (PDF file 11MB)
BIODIGESTER BIBLIOGRAPHY - Laura Brankovich
Information relevant to Rimrock Renewables’ application to Alberta Environment and Protected
Areas for a massive biogas facility near High River, Alberta
Open / download the Document -- (PDF)
Biodigester Flowchart for Quick Reference
Biodigester Pro's & Con's
Chart comparing the pro's and Con's of the Biodigester
Biodigester Project Description
This is a PDF file of the text on our home page for easy sharing and distribution.
Open / download the Document -- (PDF)
Mary Ann Liebert, Inc.
"The False Promises of Biogas: Why Biogas Is an Environmental Justice Issue"
Years of community-driven research and participatory action have shed an important light on the copious negative health issues burdening communities adjacent to industrial agriculture.
Open / download the Document -- (PDF)
Power Knot
Biodigesters: good or bad for the environment?
Digesters have emerged as a popular, environmentally friendly choice for managing food waste. In fact, some states are investing millions into these digesters. However, other states are levying millions in fines against digester operators accused of polluting their environment
Open / download the Document -- (PDF)
The Odournet group
Odour from biofuels and anaerobic digestion plants
Anaerobic digestion and biofuels plants may be associated with unpleasant odours.
Open / download the Document -- (PDF)
Food & Water Watch
Biogas From Factory Farm Waste Has No Place in a Clean Energy Future
Despite claims of environmental benefits, biogas is primarily made up of methane, a potent greenhouse gas.
Open / download the Document -- (PDF)
The Canadian Anaerobic Digestion Guideline written by the Canadian Biogas Association
It is a lengthy document but contains a wealth of information regarding biodigesters. It seems to take a balanced approach and does not soft sell the potential negatives of biodigesters.
Open / download the Document -- (PDF)
Alberta Government website about livestock production and air quality
Website with information and resources to help Alberta farmers minimize airborne emissions from livestock operations.
Article on PubMed.gov website about health effects from breathing air near CAFO's for feeder cattle or hogs
Article and links to similar articles
Document from the Government of Alberta about Odours and Human Health
This is a PDF file that inventories and summarizes scientific information about the relationship between odour and human health. The intended audience for this report is primarily health professionals or other professionals with related scientific backgrounds, but information is contained in this report that may also be relevant to interested members of the public.
Open / download the Document -- (PDF)
Links to more information and articles about Bio Digesters
The Guardian
How a false solution to climate change is damaging the natural world. Read more...
Center For Food Safety
The Dairy Digester Dilemma: A False Climate Solution. Read more...