Estevan draws municipal drinking water from Rafferty Dam Reservoir (primary since 2020) and Boundary Dam Reservoir (redundant backup), treated at Estevan Water Treatment Plant (Class 4).
Estevan municipal drinking water starts at Rafferty Dam Reservoir (primary since 2020) and Boundary Dam Reservoir (redundant backup) and is treated at Estevan Water Treatment Plant (Class 4). Lab numbers on the water page describe the published geography, not every private tap.
Surface plant up to ~14,000 m³/day with filtration, chemical feed, UV. Residuals management ponds (2017) instead of discharging filter wash to Souris River.
See the Estevan water page for the grade, source notes, and municipal report links.