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Drainage(780) 412-4500
Natural Gas1-800-511-3447Edmonton
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Phone (in Alberta only): 310-4300Toll-Free (outside of Alberta): 1-800-667-2345
Other contact information
Monday to Friday 8 a.m. - 7 p.m.Saturday 8 a.m. - 4:30 p.m.Sunday & Stat Holidays Closed
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This is a self-guided walk. The stops have been carefully selected by our staff to help you discover the site on your own. There are several stops along the map to tell you about the processes and features of our facility.
Please remember park etiquette:
Click the map above to follow the Gold Bar walking trail
Every time you flush the toilet, take a shower, or do a load of laundry, you send wastewater to the Gold Bar Wastewater Treatment Plant through a network of underground pipes. The plant’s job is to take what you put down the drain and turn it into clean, safe, reusable water.Learn more about wastewater
Treating wastewater is a smelly business, and we do our best to capture and treat the air that carries odours from wastewater treatment processes. Most of these odours are related to hydrogen sulphide (H2S). This gas, naturally produced by biological activity in wastewater, can be detected at very low levels.Learn more about odour
The Ambient Air Quality Monitoring Station (AAQMS) continuously monitors ambient air quality near the Gold Bar site.
Monitoring air quality is an important part of our commitment to reducing odour at Gold Bar. The AAQMS gives us information we can use to make any changes necessary to improve odour emissions and air quality.Learn more about air quality
In these basins are millions of microorganisms like bacteria, protozoa, and fungi, which consume two things: nitrogen and phosphorous. At EPCOR’s Gold Bar Wastewater Treatment Plant, this treatment stage is called Biological Nutrient Removal.Learn more about the process
Millions of litres of wastewater are processed at the Gold Bar Wastewater Treatment Plant every day. Everything that goes down the drain eventually reaches the wastewater treatment facility. Each day, almost 8,000 lbs of inorganic solids like rocks, silt, and garbage are filtered, screened and, often manually removed from the system. That’s about the weight of an adult hippopotamus.
Learn more about how we transform what you put down the drain into clean, safe, reusable water.Think before you flush
Edmonton's drinking water source is the North Saskatchewan River, but every body of water has a watershed. Watersheds drain rainfall and snowmelt into streams and rivers. These smaller bodies of water flow into larger ones, including lakes, bays, and oceans. Over 150,000 km2 of land contributes run-off to the North Saskatchewan and makes up the North Saskatchewan Watershed.Learn more about protecting our water
After 17 – 18 hours, wastewater has been treated and cleaned to remove solids and excess nutrients. We are now able to return the water to the North Saskatchewan River in a condition that is safe for fish, the ecosystem, and recreational use.Think before you flush
Climate change is predicted to increase weather volatility and variability in many regions.
For the North Saskatchewan River, the change in weather, snowmelt and rainfall patterns is expected to increase the risk of more precipitation in the winter and spring, with earlier or multiple spring runoff periods. EPCOR’s wastewater treatment plant in Edmonton — Gold Bar — is situated next to the North Saskatchewan River. We have a long-term plan in place to ensure we can successfully manage increased extreme weather.Learn more about climate change
