Water Quality 2017 – Q3

Invermere Quarterly Water Quality Report April – June 2017

Parameters Guideline # of Samples Average Minimum Maximum
Paddy Ryan Lakes (treated)
Total Coliforms, No./100mL 0 2 <1 <1 <1
Escherichia coli, No./100mL 0 2 <1 <1 <1
Chlorine residual, mg/L >0.2 59 0.86 0.63 1.07
Turbidity, NTU <1 58 0.42 0.32 0.71
Temperature, C None 59 19.0 14.4 23.2
pH 6.5-8.5 54 8.24 7.27 8.63
Alkalinity, mg CaCO3/L None 2 145 140 150
Total Hardness, mg CaCO3/L None 2 174.5 166 183
Paddy Ryan Lakes (raw)
True Color, C.U. <15 2 <5 <5 <5
TOC, mg/L None 2 1.66 1.37 1.94
UVT, % None 2 95.6 95.3 95.9
Athalmer Groundwater (treated)
Chlorine residual, mg/L >0.2 58 0.4 0.22 0.54
Turbidity, NTU <1 58 0.23 0.14 0.41
Temperature, C None 58 12.1 8.6 15.2
pH 6.5-8.5 52 7.94 7.15 8.76
Total Hardness, mg CaCO3/L None 1 214 214 214
Athalmer Groundwater (raw)
Total Hardness, mg CaCO3/L None 1 208 208 208