Bucket: regassist   Key: v2/targeted-fetch/water/ca/on/toronto/tdf_f32e4c6ae363e0447f72d034896afbde/content.md
Source: https://www.toronto.ca/wp-content/uploads/2025/06/95e2-drinking-water-analysis-summary-2024.pdf

Drinking Water Analysis SUMMARY 2024

Drinking Water Analysis Summary for all Plants and Distribution for January 1 to December 31, 2024

Parameters Units Aesthetic Objective/ Operational Guideline Maximum Acceptable Concentration/Interim Maximum Acceptable Concentration Sampling Date Number of Samples Reporting Limit Number of Detectable Results Maximum Minimum Average Maximum Minimum Average Maximum Minimum Average
Microbiological Parameter
E. coli - Presence/Absence - membrane filtration CFU/100mL A Ecoli 1/01 - 12/31 1/01 - 12/31 12070 282 1 12 Present 6 Absent 0 99.99 %Absent 0.1
Heterotrophic Plate Count CFU/mL 1/01 - 12/31 12032 1268 5700 0 5
Total Coliform - Presence/Absence A 1/01 - 12/31 12070 52 Present Absent 99.57 %Absent
Total Coliform - membrane filtration CFU/100mL 1/01 - 12/31 282 32 15 0 0.3
Microcystin µg/L 1.5 1/01 - 12/31 95 0.1 0 0 0 0
Operational Parameters
Aluminum mg/L 1/01 - 12/31 272 0.01 268 0.41 0 0.03
Fluoride mg/L 1.5 1/01 - 12/31 1589 0.1 1589 0.81 0.20 0.66
Total Chlorine residual (Chloramines) mg/L 3.0 1/01 - 12/31 6510 0.1 6510 2.5 0.39 1.7
Turbidity (Distribution only) NTU 1/01 - 12/31 6454 0.1 6454 4.7 0.09 0.3
General Chemical and Physical Parameters
Alkalinity mg/L 1/01 - 12/31 134 5 134 96.4 84.6 90.9
Colour T.C.U. 1/01 - 12/31 15 15 1 1 1
Conductivity µmhos/cm 1/01 - 12/31 119 1.5 119 353 308 321
Hardness ( as CaCO3 - calculated ) mg/L 80-100 1/01 - 12/31 111 1 111 131 116 121
pH 6.5-8.5 1/01 - 12/31 1006 1006 7.8 7.3 7.5
TOC mg/L 1/01 - 12/31 47 1 47 2.2 1.5 1.8
Dissolved Solids (calculated) mg/L 1/01 - 12/31 119 3.25 119 229 200 209
Inorganic Parameters
Antimony mg/L 0.006 1/01 - 12/31 26 0.0005 0 0 0 0
Arsenic mg/L 0.01 1/01 - 12/31 26 5e-05 26 0.0010 0.00044 0.00073
Barium mg/L 1.0 1/01 - 12/31 26 0.0005 26 0.0248 0.0188 0.0216
Beryllium mg/L 1/01 - 12/31 26 5e-05 0 0 0 0
Boron mg/L 5.0 1/01 - 12/31 26 0.005 26 0.024 0.020 0.022
Bromide mg/L 1/01 - 12/31 107 0.1 0 0 0 0
Cadmium mg/L 0.005 1/01 - 12/31 26 1e-05 0 0 0 0
Caesium mg/L 1/01 - 12/31 26 1e-05 0 0 0 0
Calcium mg/L 1/01 - 12/31 107 0.2 107 36.7 32.2 33.9
Chloride mg/L 1/01 - 12/31 107 0.2 107 35.5 25.1 28.0
Parameters Units Aesthetic Objective/ Operational Guideline Maximum Acceptable Concentration/Interim Maximum Acceptable Concentration Sampling Date Number Samples of Reporting Limit Number of Detectable Results Maximum Minimum Average
Chromium mg/L 0.05 1/01 - 12/31 26 0.0002 21 0.0004 0 0.0003
Cobalt mg/L 1/01 - 12/31 26 1e-05 1 2e-05 0 4e-07
Copper mg/L 1 1/01 - 12/31 213 0.0008 211 0.12 0 0.0058
Cyanide (Free) mg/L 0.2 1/01 - 12/31 16 0.003 0 0 0 0
Iron mg/L 0.3 1/01 - 12/31 229 0.01 182 1.4 0 0.07
Lead mg/L 0.01 1/01 - 12/31 201 5e-05 122 0.0086 0 0.00032
Magnesium mg/L 1/01 - 12/31 107 0.1 107 9.5 8.4 8.7
Manganese mg/L 0.05 1/01 - 12/31 26 0.0005 8 0.027 0 0.0014
Mercury mg/L 0.001 1/01 - 12/31 16 5e-05 0 0 0 0
Molybdenum mg/L 1/01 - 12/31 26 3e-05 26 0.0012 0.001 0.0011
Nickel mg/L 1/01 - 12/31 26 0.0002 26 0.0007 0.0003 0.0004
Nitrate mg/L 10 1/01 - 12/31 107 0.01 107 0.58 0.21 0.37
Nitrite mg/L 1 1/01 - 12/31 107 0.002 45 0.006 0 0.0013
Orthophosphate mg/L 1/01 - 12/31 1651 0.5 1651 3.1 0.79 1.5
Potassium mg/L 1/01 - 12/31 107 0.05 107 1.8 1.5 1.6
Selenium mg/L 0.05 1/01 - 12/31 26 0.0005 2 0.0006 0 4e-05
Silver mg/L 1/01 - 12/31 26 1e-05 7 0.0006 0 5.6e-05
Sodium mg/L 200 1/01 - 12/31 158 0.4 158 20.2 13 14.7
Strontium mg/L 1/01 - 12/31 26 0.003 26 0.185 0.162 0.173
Sulphate mg/L 500 1/01 - 12/31 107 0.2 107 28.6 22.7 25.6
Terbium mg/L 1/01 - 12/31 26 5e-05 0 0 0 0
Thallium mg/L 1/01 - 12/31 26 5e-05 0 0 0 0
Tin mg/L 1/01 - 12/31 26 0.0005 0 0 0 0
Titanium mg/L 1/01 - 12/31 26 0.0002 26 0.0008 0.0005 0.0007
Tungsten mg/L 1/01 - 12/31 26 5e-05 25 0.00015 0 9e-05
Uranium mg/L 0.02 1/01 - 12/31 26 5e-05 26 0.00035 0.00021 0.00073
Vanadium mg/L 1/01 - 12/31 26 5e-05 26 0.0003 0.00014 0.00023
Zinc mg/L 5 1/01 - 12/31 26 0.01 0 0 0 0
Disinfection Byproducts- Trihalomethanes Disinfection Byproducts- Trihalomethanes
Bromodichloromethane µg/L 1/01 - 12/31 65 0.2 65 6.5 1.5 3.1
Bromoform µg/L 1/01 - 12/31 65 0.2 23 0.8 0 0.1
Chloroform µg/L 1/01 - 12/31 65 0.2 65 13 1.5 4
Dibromochloromethane µg/L 1/01 - 12/31 65 0.2 65 4.1 1.1 2.3
THM (total) µg/L 100 1/01 - 12/31 65 0.2 65 23.8 5 7.8
THM (total - end of line) µg/L 100 1/01 - 12/31 11 0.2 11 23.8 7.1 12.1
Disinfection Byproducts- Haloacetic acids
Bromoacetic acid µg/L 1/01 - 12/31 65 2 0 0 0 0
Bromochloroacetic acid µg/L 1/01 - 12/31 65 1.2 41 4.3 0 1.2
Chloroacetic acid µg/L 1/01 - 12/31 65 2 3 3.2 0 0.1
Dibromoacetic acid µg/L 1/01 - 12/31 65 2 0 0 0 0
Dichloroacetic acid µg/L 1/01 - 12/31 65 1 62 6.7 0 1.9
Trichloroacetic acid µg/L 1/01 - 12/31 65 0.8 58 4.1 0 1.6
HAA-5 (total) µg/L 80 1/01 - 12/31 65 2 53 14 0 3.3
Parameters Units Aesthetic Objective/ Operational Guideline Maximum Acceptable Concentration/Interim Maximum Acceptable Concentration Sampling Date Number of Samples Reporting Limit Number Detectable Results of Maximum Minimum Average
Disinfection Byproducts- Other
1,1,1-Trichloro-2-propanone µg/L 1/01 - 12/31 16 0.5 0 0 0 0
1,1-Dichloro-2-propanone µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Bromate mg/L 0.01 1/01 - 12/31 24 0.003 14 0.005 0 0.0008
Bromochloroacetonitrile µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Chloropicrin µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Dibromoacetonitrile µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Dichloroacetonitrile µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Trichloroacetonitrile µg/L 1/01 - 12/31 16 0.5 0 0 0 0
Organic Parameters
1,1,1-Trichloroethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,1,2,2-Tetrachloroethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,1,2-Trichloroethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,1-Dichloroethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,1-Dichloroethylene µg/L 14 1/01 - 12/31 65 0.2 0 0 0 0
1,2-Dibromoethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,2-Dichlorobenzene µg/L 3 200 1/01 - 12/31 65 0.2 0 0 0 0
1,2-Dichloroethane µg/L 5 1/01 - 12/31 65 0.2 0 0 0 0
1,2-Dichloropropane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,3-Dichlorobenzene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
1,4-Dichlorobenzene µg/L 1 5 1/01 - 12/31 65 0.2 0 0 0 0
2,3,4,6-Tetrachloroanisole µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2,3,4,6-Tetrachlorophenol µg/L 1 100 1/01 - 12/31 12 1 0 0 0 0
2,3,6-Trichloroanisole µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2,4,6-Trichlorophenol µg/L 2 5 1/01 - 12/31 12 0.5 0 0 0 0
2,4,6-Trichloroanisole µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2,4-Dichloroanisole µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2,4-Dichlorophenol µg/L 0.3 900 1/01 - 12/31 12 0.5 0 0 0 0
2-Isobutyl-3-methoxypyrazine µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2-Isopropyl-3-methoxypyrazine µg/L 1/01 - 12/31 63 0.003 0 0 0 0
2-Methylisoborneol(MIB) µg/L 1/01 - 12/31 63 0.003 0 0 0 0
Benzene µg/L 1 1/01 - 12/31 65 0.1 0 0 0 0
Benzo(a)pyrene µg/L 0.01 1/01 - 12/31 16 0.01 0 0 0 0
Bromomethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Carbon Tetrachloride µg/L 2 1/01 - 12/31 65 0.2 0 0 0 0
Chlorobenzene µg/L 30 80 1/01 - 12/31 65 0.2 0 0 0 0
Chloroethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Chloromethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
cis-1,2-Dichloroethylene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
cis-1,3-Dichloropropylene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Dichlorodifluoromethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Dichloromethane(Methylene Chloride) µg/L 50 1/01 - 12/31 65 0.3 6 4.9 0 0.3
Ethylbenzene µg/L 2.4 140 1/01 - 12/31 65 0.2 0 0 0 0
Geosmin µg/L 1/01 - 12/31 63 0.003 4 6.1 0 0.3
m-& p-Xylene µg/L 1/01 - 12/31 65 0.3 0 0 0 0
Parameters Units Aesthetic Objective/ Operational Guideline Maximum Maximum Concentration Acceptable Concentration/Interim Acceptable Sampling Date Number of Samples Reporting Limit Number of Detectable Results Maximum Minimum Average
NDMA µg/L 0.009 1/01 - 12/31 12 0.0009 3 0.002 0 0.0004
o-Xylene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Pentachlorophenol µg/L 30 60 1/01 - 12/31 12 0.5 0 0 0 0
Styrene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Tetrachloroethylene µg/L 10 1/01 - 12/31 65 0.2 0 0 0 0
Toluene µg/L 24 60 1/01 - 12/31 65 0.2 0 0 0 0
trans-1,2-Dichloroethylene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
trans-1,3-Dichloropropylene µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Trichloroethylene µg/L 5 1/01 - 12/31 65 0.2 0 0 0 0
Trichlorofluoromethane µg/L 1/01 - 12/31 65 0.2 0 0 0 0
Vinyl Chloride µg/L 1 1/01 - 12/31 65 0.1 0 0 0 0
Xylenes ( total) calculated µg/L 300 90 1/01 - 12/31 65 0.3 0 0 0 0
Pesticides
2,4-D µg/L 100 1/01 - 12/31 12 0.028 0 0 0 0
Alachlor µg/L 5 1/01 - 12/31 12 0.0005 0 0 0 0
Atrazine µg/L 1/01 - 12/31 12 0.0005 12 0.046 0.030 0.041
Atrazine + N-dealkylated metabolites µg/L 5 1/01 - 12/31 12 0.0025 12 0.094 0.070 0.085
Azinphos Methyl (Guthion) µg/L 20 1/01 - 12/31 12 0.001 0 0 0 0
Bromoxynil µg/L 5 1/01 - 12/31 12 0.075 0 0 0 0
Caffeine µg/L 1/01 - 12/31 4 0.020 0 0 0 0
Carbaryl µg/L 90 1/01 - 12/31 11 0.0015 0 0 0 0
Carbofuran µg/L 90 1/01 - 12/31 9 0.0025 0 0 0 0
Chlorpyrifos (Dursban) µg/L 90 1/01 - 12/31 12 0.01 0 0 0 0
Des-ethyl atrazine µg/L 1/01 - 12/31 12 0.0025 12 0.050 0.037 0.044
Diazinon µg/L 20 1/01 - 12/31 12 0.0005 0 0 0 0
Dicamba µg/L 120 1/01 - 12/31 12 0.2 0 0 0 0
Diclofop-methyl µg/L 9 1/01 - 12/31 12 0.5 0 0 0 0
Dimethoate µg/L 20 1/01 - 12/31 12 0.001 0 0 0 0
Diquat µg/L 70 1/01 - 12/31 4 1.0 0 0 0 0
Diuron µg/L 150 1/01 - 12/31 12 0.001 2 0.001 0 0.0002
Glyphosate Malathion µg/L µg/L 280 190 1/01 - 1/01 - 12/31 12/31 4 12 25 0.001 0.2 0 0 0 0 0 0 0 0 0 0
MCPA (2-methyl-4-chlorophenoxyacetic µg/L
Metolachlor 100 1/01 - 12/31 7 0 0
µg/L 50 1/01 - 12/31 12 0.001 12 0.009 0.003 0.007
Metribuzin (Sencor) µg/L 80 1/01 - 12/31 12 0.001 0 0 0 0
Paraquat µg/L 10 1/01 - 12/31 4 1.0 0 0 0 0
PCBs µg/L 3 1/01 - 12/31 16 0.3 0 0 0 0
Phorate µg/L 2 1/01 - 12/31 12 0.01 0 0 0 0
Picloram µg/L 190 1/01 - 12/31 12 0.3 1 0.3 0 0.03
Prometryne Simazine µg/L µg/L 1 10 1/01 - 12/31 1/01 - 12/31 12 12 0.0005 0.001 0 12 0 0.004 0 0.002 0 0.003
Terbufos µg/L 1/01 - 12/31 12 0.006 0 0 0 0
1 0 0 0 0
Triallate µg/L 1/01 - 12/31 11 0.01
Trifluralin µg/L 230 45 1/01 - 12/31 12 0.265 0 0 0 0
Parameters Units Aesthetic Objective/ Operational Guideline Maximum Acceptable Concentration/Interim Maximum Acceptable Concentration Sampling Date Number of Samples Reporting Limit Detectable Results Number of Maximum Minimum Average
Per and Polyfluoroalkyl substances (PFAS)
n-Perfluorobutane sulfonic acid (PFBS) µg/L 1/01 - 12/31 16 0.002 0 0 0 0
n-Perfluorohexane sulfonic acid (PFHxS) µg/L 1/01 - 12/31 16 0.002 0 0 0 0
n-Perfluorooctane sulfonic acid (PFOS) µg/L 1/01 - 12/31 16 0.002 0 0 0 0
n-Perfluorodecane sulfonic acid (PFDS) µg/L 1/01 - 12/31 16 0.002 0 0 0 0
n-Perfluorooctane sulfonamide (PFOSA) µg/L 1/01 - 12/31 12 0.002 0 0 0 0
n-Perfluorohexanoic acid (PFHxA) µg/L 1/01 - 12/31 16 0.002 2 0.002 0 0.0003
n-perfluoroheptanoic acid (PFHpA) µg/L 1/01 - 12/31 16 0.002 0 0 0 0
n-perfluorooctanoic acid (PFOA) µg/L 1/01 - 12/31 16 0.002 1 0.004 0 0.0002
n-perfluorononanoic acid (PFNA) µg/L 1/01 - 12/31 12 0.002 0 0 0 0
n-perfluorodecanoic acid (PFDA) µg/L 1/01 - 12/31 12 0.002 0 0 0 0
n-perfluoroundecanoic acid (PFUnA) µg/L 1/01 - 12/31 12 0.002 0 0 0 0
n-perfluorododecanoic acid (PFDoA) µg/L 1/01 - 12/31 12 0.002 0 0 0 0

Notes:

Where standards are based on sums of components, the following calculations are used:

All results below Reporting limit are recorded as zero in this summary

P/A

mg/L

µg/L

TCU

NTU

CFU

µmhos/cm