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Water results for Vancouver
The Metro Vancouver report separates Capilano, Seymour and Coquitlam supply results. The three panels below retain that distinction and the raw-versus-treated sampling context.
Local water information
Published water results
for Vancouver.
The Metro Vancouver report separates Capilano, Seymour and Coquitlam supply results. The three panels below retain that distinction and the raw-versus-treated sampling context.
Capilano water system · Regional supply
2025 annual averages and treated-water ranges
Regional supply results from the named water system. Source blending and operating conditions vary. These are regional supply statistics, not Vancouver neighbourhood or household samples.
| Parameter | Unit | Untreated average | Treated average | Treated range |
|---|---|---|---|---|
| Alkalinity as CaCO3 | mg/L | 3.1 | 21 | 17-23 |
| Aluminum Dissolved | µg/L | 64 | 25 | 17-37 |
| Aluminum Total | µg/L | 109 | 28 | 18-50 |
| Antimony Total | µg/L | <0.5 | <0.5 | <0.5 |
| Arsenic Total | µg/L | <0.5 | <0.5 | <0.5 |
| Barium Total | µg/L | 2.6 | 3.0 | 2.6 - 3.4 |
| Boron Total | µg/L | <10 | <10 | <10 |
| Bromate | µg/L | <10 | <10 | <10 |
| Bromide | µg/L | <10 | <10 | <10 |
| Cadmium Total | µg/L | <0.2 | <0.2 | <0.2 |
| Calcium Total | µg/L | 1,180 | 7,910 | 7,180 - 8,880 |
| Carbon Organic - Dissolved | mg/L | 1.7 | 0.7 | 0.5-1.1 |
| Carbon Organic - Total | mg/L | 1.8 | 0.7 | 0.5-1.1 |
| Chlorate | µg/L | <10 | 42 | 20-110 |
| Chloride | mg/L | <0.6 | 2.7 | 2.4 - 3.5 |
| Chromium Total | µg/L | <0.07 | <0.05 | <0.05 - 0.06 |
| Cobalt Total | µg/L | <0.5 | <0.5 | <0.5 |
| Colour - Apparent | ACU | 14 | <2 | <2-2 |
| Colour - True | TCU | 10 | <1 | <1 - 1 |
| Conductivity | µmhos/cm | 11 | 52 | 47 - 58 |
| Copper Total | µg/L | 3.0 | <0.5 | <0.5 |
| Cyanide Total | mg/L | <0.002 | <0.002 | <0.002 |
| Cyanobacterial Toxins – Microcystin – LR | µg/L | <0.20 | N/A | N/A |
| 1,4-Dioxane | µg/L | <1 | N/A | N/A |
| Formaldehyde | µg/L | N/A4 | N/A4 | N/A4 |
| Fluoride | mg/L | <0.05 | <0.05 | <0.05 |
| Haloacetic Acid 5 (HAA5) | µg/L | <3 | 16 | 10 - 20 |
| Hardness as CaCO3 | mg/L | 3.6 | 20.5 | 18.8 - 22.2 |
| Iron Dissolved | µg/L | 30 | <5 | <5 |
| Iron Total | µg/L | 89 | <8 | <5-15 |
| Lead Total | µg/L | <0.5 | <0.5 | <0.5 |
| Magnesium Total | µg/L | 164 | 216 | 157 - 296 |
| Manganese Dissolved | µg/L | 3.7 | 2.0 | 0.9 - 4.1 |
| Manganese Total | µg/L | 4.6 | 4.2 | 2.0 - 10.2 |
| Mercury Total | µg/L | <0.05 | <0.05 | <0.05 |
| Molybdenum Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nickel Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nitrilotriacetic acid (NTA) | µg/L | <50 | N/A | N/A |
| Nitrogen - Ammonia as N | mg/L | <0.02 | <0.02 | <0.02 |
| Nitrogen - Nitrate as N | mg/L | 0.07 | 0.06 | 0.02 - 0.09 |
| Nitrogen - Nitrite as N | mg/L | <0.01 | <0.01 | <0.01 |
| N-Nitrosodimethylamine (NDMA) | ng/L | <1.9 | N/A | N/A |
| pH | pH units | 6.6 | 8.3 | 7.9 - 8.5 |
| Phenol | mg/L | <0.004 | <0.004 | <0.002 - <0.005 |
| Potassium Total | µg/L | 156 | 154 | 140 - 166 |
| Residue Total Dissolved (TDS) | mg/L | 14 | 32 | 28 - 37 |
| Selenium Total | µg/L | <0.5 | <0.5 | <0.5 |
| Silica as SiO2 | mg/L | 3.5 | 3.5 | 3.2 - 3.8 |
| Silver Total | µg/L | <0.5 | <0.5 | <0.5 |
| Sodium Total | µg/L | 575 | 1,660 | 1,340 - 2,120 |
| Strontium | µg/L | 5.7 | 21.5 | 20.5 – 22.4 |
| Total Trihalomethanes (TTHM) | µg/L | <4 | 22.5 | 19 - 26 |
| Turbidity | NTU | 0.93 | 0.15 | 0.07 - 0.40 |
| Uranium Total | µg/L | <0.5 | <0.5 | <0.5 |
| UV Absorbance 254 nm | Abs/cm | 0.067 | 0.011 | 0.007 - 0.015 |
| Zinc Total | µg/L | <3 | <3 | <3 |
Total and dissolved metal measurements are different tests and are retained as separate rows. Follow the current notice for your own water supplier. N/A means not applicable or not available as described in the source. A superscript reference rendered beside N/A points to the original footnote; it is not a measurement. All physical and chemical analytes in this source table are included.
Metro Vancouver · Original 2025 annual report ↗Seymour water system · Regional supply
2025 annual averages and treated-water ranges
Regional supply results from the named water system. Source blending and operating conditions vary. These are regional supply statistics, not Vancouver neighbourhood or household samples.
| Parameter | Unit | Untreated average | Treated average | Treated range |
|---|---|---|---|---|
| Alkalinity as CaCO3 | mg/L | 4.1 | 20 | 17 - 23 |
| Aluminum Dissolved | µg/L | 49 | 25 | 15 - 37 |
| Aluminum Total | µg/L | 76 | 28 | 16 - 48 |
| Antimony Total | µg/L | <0.5 | <0.5 | <0.5 |
| Arsenic Total | µg/L | <0.5 | <0.5 | <0.5 |
| Barium Total | µg/L | 3.4 | 2.8 | 2.4 - 3.0 |
| Boron Total | µg/L | <10 | <10 | <10 |
| Bromate | µg/L | <10 | <10 | <10 |
| Bromide | µg/L | <10 | <10 | <10 |
| Cadmium Total | µg/L | <0.2 | <0.2 | <0.2 |
| Calcium Total | µg/L | 1,670 | 7,810 | 6,930 - 8,760 |
| Carbon Organic - Dissolved | mg/L | 1.6 | 0.7 | 0.5 - 1.0 |
| Carbon Organic - Total | mg/L | 1.6 | 0.7 | 0.5 - 1.0 |
| Chlorate | µg/L | <10 | 43 | 20 - 110 |
| Chloride | mg/L | <0.5 | 2.8 | 2.3 - 3.5 |
| Chromium Total | µg/L | <0.05 | <0.05 | <0.05 |
| Cobalt Total | µg/L | <0.5 | <0.5 | <0.5 |
| Colour - Apparent | ACU | 14 | <2 | <2 - 3 |
| Colour - True | TCU | 9 | <1 | <1 - 1 |
| Conductivity | µmhos/cm | 14 | 52 | 47 - 56 |
| Copper Total | µg/L | 24.9 | <0.5 | <0.5 |
| Cyanide Total | mg/L | <0.002 | <0.002 | <0.002 |
| Cyanobacterial Toxins – Microcystin – LR | µg/L | <0.20 | N/A | N/A |
| 1,4-Dioxane | µg/L | <1 | <1 | <1 |
| Formaldehyde | µg/L | N/A4 | N/A4 | N/A4 |
| Fluoride | mg/L | <0.05 | <0.05 | <0.05 |
| Haloacetic Acid 5 (HAA5) | µg/L | <3 | 12 | 9 - 14 |
| Hardness as CaCO3 | mg/L | 4.8 | 20.2 | 18.1 - 22.1 |
| Iron Dissolved | µg/L | 59 | <5 | <5 |
| Iron Total | µg/L | 147 | <9 | <5 - 20 |
| Lead Total | µg/L | <0.5 | <0.5 | <0.5 |
| Magnesium Total | µg/L | 147 | 213 | 154 - 302 |
| Manganese Dissolved | µg/L | 4.1 | 2.6 | 0.9 - 5.6 |
| Manganese Total | µg/L | 5.8 | 4.6 | 2.4 - 10.6 |
| Mercury Total | µg/L | <0.05 | <0.05 | <0.05 |
| Molybdenum Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nickel Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nitrilotriacetic acid (NTA) | µg/L | <50 | <50 | <50 |
| Nitrogen - Ammonia as N | mg/L | <0.02 | <0.02 | <0.02 |
| Nitrogen - Nitrate as N | mg/L | 0.05 | 0.06 | 0.02 - 0.09 |
| Nitrogen - Nitrite as N | mg/L | <0.01 | <0.01 | <0.01 |
| N-Nitrosodimethylamine (NDMA) | ng/L | <1.9 | <1.9 | <1.9 |
| pH | pH units | 6.6 | 8.1 | 7.8 - 8.5 |
| Phenol | mg/L | <0.004 | <0.004 | <0.002 - <0.005 |
| Potassium Total | µg/L | 156 | 149 | 127 - 165 |
| Residue Total Dissolved (TDS) | mg/L | 15 | 32 | 29 - 37 |
| Selenium Total | µg/L | <0.5 | <0.5 | <0.5 |
| Silica as SiO2 | mg/L | 3.4 | 3.5 | 3.1 - 3.8 |
| Silver Total | µg/L | <0.5 | <0.5 | <0.5 |
| Sodium Total | µg/L | 554 | 1650 | 1,310 - 2,100 |
| Strontium | µg/L | 7.2 | 20.4 | 18.6 – 21.8 |
| Total Trihalomethanes (TTHM) | µg/L | <4 | 18.5 | 15 - 20 |
| Turbidity | NTU | 0.56 | 0.17 | 0.08 - 0.52 |
| Uranium Total | µg/L | <0.5 | <0.5 | <0.5 |
| UV Absorbance 254 nm | Abs/cm | 0.061 | 0.011 | 0.007 - 0.016 |
| Zinc Total | µg/L | <3 | <3 | <3 |
Total and dissolved metal measurements are different tests and are retained as separate rows. Follow the current notice for your own water supplier. N/A means not applicable or not available as described in the source. A superscript reference rendered beside N/A points to the original footnote; it is not a measurement. All physical and chemical analytes in this source table are included.
Metro Vancouver · Original 2025 annual report ↗Coquitlam water system · Regional supply
2025 annual averages and treated-water ranges
Regional supply results from the named water system. Source blending and operating conditions vary. These are regional supply statistics, not Vancouver neighbourhood or household samples.
| Parameter | Unit | Untreated average | Treated average | Treated range |
|---|---|---|---|---|
| Alkalinity as CaCO3 | mg/L | 1.9 | 20 | 9.5 - 23 |
| Aluminum Dissolved | µg/L | 55 | 61 | 44 - 74 |
| Aluminum Total | µg/L | 74 | 75 | 58 - 85 |
| Antimony Total | µg/L | <0.5 | <0.5 | <0.5 |
| Arsenic Total | µg/L | <0.5 | <0.5 | <0.5 |
| Barium Total | µg/L | 2.6 | 2.4 | 2.2 - 2.7 |
| Boron Total | µg/L | <10 | <10 | <10 |
| Bromate | µg/L | <10 | <10 | <10 |
| Bromide | µg/L | <10 | <10 | <10 |
| Cadmium Total | µg/L | <0.2 | <0.2 | <0.2 |
| Calcium Total | µg/L | 828 | 824 | 738 - 914 |
| Carbon Organic - Dissolved | mg/L | 1.6 | 1.6 | 1.3 - 2.1 |
| Carbon Organic - Total | mg/L | 1.7 | 1.6 | 1.3 - 2.1 |
| Chlorate | µg/L | <10 | 110 | 45 - 160 |
| Chloride | mg/L | <0.5 | 2.3 | 2.0 - 2.7 |
| Chromium Total | µg/L | <0.05 | <0.05 | <0.05 |
| Cobalt Total | µg/L | <0.5 | <0.5 | <0.5 |
| Colour - Apparent | ACU | 12 | <2 | <2 - 2 |
| Colour - True | TCU | 8 | <1 | <1 - 2 |
| Conductivity | µmhos/cm | 8 | 48 | 31 - 53 |
| Copper Total | µg/L | <0.5 | <0.5 | <0.5 |
| Cyanide Total | mg/L | <0.002 | <0.002 | <0.002 |
| Cyanobacterial Toxins – Microcystin – LR | µg/L | <0.20 | N/A | N/A |
| 1,4-Dioxane | µg/L | <1 | <1 | <1 |
| Formaldehyde | µg/L | N/A | 19 | 19 |
| Fluoride | mg/L | <0.05 | <0.05 | <0.05 |
| Haloacetic Acid 5 (HAA5) | µg/L | <3 | 7 | 5 - 10 |
| Hardness as CaCO3 | mg/L | 2.4 | 2.4 | 2.2 - 2.7 |
| Iron Dissolved | µg/L | 15 | 17 | 10 - 29 |
| Iron Total | µg/L | 44 | 43 | 28 - 97 |
| Lead Total | µg/L | <0.5 | <0.5 | <0.5 |
| Magnesium Total | µg/L | 92 | 92 | 80 - 102 |
| Manganese Dissolved | µg/L | 3.4 | 2.4 | 0.8 - 3.5 |
| Manganese Total | µg/L | 3.8 | 3.2 | 2.2 - 4.2 |
| Mercury Total | µg/L | <0.05 | <0.05 | <0.05 |
| Molybdenum Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nickel Total | µg/L | <0.5 | <0.5 | <0.5 |
| Nitrilotriacetic acid (NTA) | µg /L | <50 | <50 | <50 |
| Nitrogen - Ammonia as N | mg/L | <0.02 | <0.02 | <0.02 |
| Nitrogen - Nitrate as N | mg/L | 0.07 | 0.07 | 0.05 - 0.09 |
| Nitrogen - Nitrite as N | mg/L | <0.01 | <0.01 | <0.01 |
| N-Nitrosodimethylamine (NDMA) | ng/L | <1.9 | <1.9 | <1.9 |
| pH | pH units | 6.3 | 8.3 | 7.7 - 9.2 |
| Phenol | mg/L | <0.004 | <0.004 | <0.002 - <0.005 |
| Potassium Total | µg/L | 115 | 114 | 104 - 122 |
| Residue Total Dissolved (TDS) | mg/L | 11 | 33 | 30 - 35 |
| Selenium Total | µg/L | <0.5 | <0.5 | <0.5 |
| Silica as SiO2 | mg/L | 2.6 | 2.6 | 2.5 - 2.8 |
| Silver Total | µg/L | <0.5 | <0.5 | <0.5 |
| Sodium Total | µg/L | 463 | 10,100 | 8,910 - 11,200 |
| Strontium | µg/L | 3.8 | 3.8 | 3.5 – 4.0 |
| Total Trihalomethanes (TTHM) | µg/L | <4 | 5.5 | 4 - 7 |
| Turbidity | NTU | 0.39 | 0.33 | 0.13 - 2.0 |
| Uranium Total | µg/L | <0.5 | <0.5 | <0.5 |
| UV Absorbance 254 nm | Abs/cm | 0.060 | 0.018 | 0.015 - 0.031 |
| Zinc Total | µg/L | <3 | <3 | <3 |
Total and dissolved metal measurements are different tests and are retained as separate rows. Follow the current notice for your own water supplier. N/A means not applicable or not available as described in the source. A superscript reference rendered beside N/A points to the original footnote; it is not a measurement. All physical and chemical analytes in this source table are included.
Metro Vancouver · Original 2025 annual report ↗These are dated public results for the locations shown, not a current test of your home. “<” means below the stated reporting limit, not zero. The linked reports contain the full results and laboratory notes. Sources checked September 12, 2026. Follow your supplier’s current notices and advisories.
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