Arcola East Water Hardness & Quality Report (2026)

Arcola East (a residential neighbourhood in southeast Regina) receives its drinking water from the City of Regina, drawing from Buffalo Pound Lake — a reservoir in the Qu'Appelle Valley fed by the South Saskatchewan River diversion — via the Buffalo Pound Water Treatment Plant, supplemented by artesian groundwater blending. Treatment includes coagulation, sedimentation, lime softening, filtration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) standards. Hardness measures 416 mg/L (24.3 gpg) — classified as extremely very hard by Health Canada, with TDS of 1,175 mg/L — among the highest measured in any Canadian municipal supply, consistent with Regina's characteristic extreme Prairie water hardness.

Regina's extreme water hardness results from the combination of South Saskatchewan River surface water at Buffalo Pound Lake — carrying dissolved minerals from the Cretaceous Bearpaw Formation shale and Devonian Duperow and Souris Valley carbonate formations of the Williston Basin — with deep artesian groundwater from the Gravelbourg and Judith River formations beneath the Regina plain, where prolonged contact with gypsum evaporites produces very high calcium sulphate concentrations. The TDS of 1,175 mg/L reflects this extreme mineral loading from both carbonate and sulphate sources in the southeastern Saskatchewan Prairie geology.

At 416 mg/L, Arcola East homeowners face extreme and near-immediate scale accumulation on all water-contact surfaces. Whole-home water softeners with regular salt regeneration are standard equipment in virtually all Regina households. Point-of-use reverse osmosis systems for drinking and cooking water are common, as the TDS of 1,175 mg/L exceeds the typical palatability range. The City of Regina provides water quality information and hardness data at regina.ca/water.