Regina and nearby communities were pummeled with rain over the weekend, flooding a number of streets and underpasses in the Queen City and overwhelming a wastewater lift station.
Flooding on Ring Road near the Ross Avenue overpass forced the City to temporarily close the road for safety reasons on Saturday.
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Carolyn Kalim, Regina’s director of water, waste and environment, explained that the city’s Garnet Street wastewater lift station became overwhelmed with rainwater entering the wastewater system.
It discharged approximately 1.3 megalitres of wastewater into Wascana Creek; because of this, the city is actively conducting water quality testing.
“We take this situation very seriously, and the City of Regina cares about the residents and the environment and is investing in our infrastructure to reduce the possibility of these events from occurring in the future,” she said when speaking to media on Monday.

Carolyn Kalim, Regina’s director of water, waste and environment, speaking to media on Sept. 15, 2025. (Roman Hayter/980 CJME)
The Garnet Street lift station runs on an automated system. Kalim explained that when the flow coming through the system is so high, it automatically discharges.
“Once they have exceeded the capacity that can be received by the lift station, in terms of it being able to hold it, it automatically overflows over a weir system and goes into the creek,” she said.
According to Kalim, the lift stations bring wastewater to the wastewater treatment plant through the McCarthy Boulevard Pumping Station.
She said the impact from the wastewater into Wascana Creek is expected to be “minimal.”
“Anytime that there’s wastewater discharged into the creek, we want to ensure that we’re sampling, which is what we’re doing now,” Kalim said.
“Sampling has already been conducted and is continuing to be collected so that we can determine what the negative impacts are.”
She said the city tries to use the bypass rarely. A “small amount” was passed through the bypass in 2021 and 2022.
“We had some larger ones in 2014 and 2015 when there were some very large rain events,” she said.
The city also notified all of its downstream users of this bypass.
Kalim said Regina received approximately two inches of rain on Saturday and the city responded by monitoring pumping stations, triaging problem flooding locations and closing roads.
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