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