Invermere Quarterly Water Quality Report January – March 2017
Parameter | Guideline | # of Samples | Average | Minimum | Maximum |
Paddy Ryan Lakes (treated) | |||||
Total Coliforms, No./100mL | 0 | 4 | <1 | <1 | <1 |
Escherichia coli, No./100mL | 0 | 4 | <1 | <1 | <1 |
Chlorine residual, mg/L | >0.2 | 60 | 0.9 | 0.4 | 1.3 |
Turbidity, NTU | <1 | 60 | 1 | 0.6 | 1.7 |
Temperature, C | None | 60 | 8.4 | 5.9 | 11.1 |
pH | 6.5-8.5 | 60 | 7.9 | 7.6 | 8.2 |
Alkalinity, mg CaCO3/L | None | 5 | 180.4 | 167 | 187 |
Total Hardness, mg CaCO3/L | None | 6 | 222.8 | 201 | 236 |
Paddy Ryan Lakes (raw) | |||||
True Color, C.U. | <15 | 1 | <5 | <5 | <5 |
TOC, mg/L | None | 5 | 1.2 | 0.9 | 1.59 |
UVT, % | None | 1 | 98 | 98 | 98 |
Athalmer Groundwater (treated) | |||||
Chlorine residual, mg/L | >0.2 | 56 | 0.3 | 0.3 | 0.3 |
Turbidity, NTU | <1 | 56 | 0.2 | 0.1 | 0.3 |
Temperature, C | None | 56 | 9.7 | 7.3 | 12.1 |
pH | 6.5-8.5 | 56 | 8.1 | 7.8 | 8.3 |
Alkalinity, mg CaCO3/L | None | 1 | 175 | 175 | 175 |
Total Hardness, mg CaCO3/L | None | 1 | 194 | 194 | 194 |
Athalmer Groundwater (raw) | |||||
TSS, mg/L | None | 1 | <2 | <2 | <2 |
Alkalinity, mg CaCO3/L | None | 1 | 175 | 175 | 175 |
Total Hardness, mg CaCO3/L | None | 1 | 202 | 202 | 202 |
Chlorine By-products in Distribution System | |||||
HAA5s, mg/L | <0.08 | 4 | <0.002 | <0.002 | 0.00476 |
TTHMs, mg/L | <0.1 | 4 | 0.0077 | 0.00536 | 0.0107 |