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Stadt
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The Chur drinking water is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the
food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 1.8 - 2.8 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 4.0 mg/l |
| Sulfate | 29.7 - 64.5 mg/l |
| Magnesium | 6.5 - 25.7 mg/l |
| Calcium | 35.2 - 64.4 mg/l |
Origin of the water
60% from the springs in the Parpan/Valbella area (water temperature: 4.7 - 5.6 °C).
40% from the groundwater in the Rossboden area (water temperature: 7.8 - 9.9 °C).
Haldenstein
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 1.8 - 6.6 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 4.0 mg/l |
| Sulfate | 7.9 - 64.5 mg/l |
| Magnesium | 5.3 - 25.7 mg/l |
| Calcium | 35.2 - 64.4 mg/l |
Origin of the water
From the Calanda Haldenstein springs and, if required, from the Neustadt Chur zone (water temperature: 7.8 - 12.0 °C).
Neustadt
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 1.8 - 2.8 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 4.0 mg/l |
| Sulfate | 29.7 - 64.5 mg/l |
| Magnesium | 6.5 - 25.7 mg/l |
| Calcium | 35.2 - 64.4 mg/l |
Origin of the water
60% from the springs in the Parpan/Valbella area
(water temperature: 4.7 - 5.6 °C).
40% from the groundwater in the Rossboden area
(water temperature: 7.8 - 9.9 °C).
Lürlibad
Hygienic assessment
The microbiological samples examined are within the legal requirements. The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.0 - 8.2 |
| Nitrate | 1.8 - 2.4 mg/l Höchstwert: 40 mg/l |
| Chloride | 0.4 - 2.5 mg/l |
| Sulfate | 29.7 - 77.1 mg/l |
| Magnesium | 6.5 - 46.9 mg/l |
| Calcium | 35.2 - 83.5 mg/l |
Origin of the water
70% from the springs in the Parpan/Valbella area (water temperature: 4.7–5.6 °C)
30% from the springs in the Mittenberg area (water temperature: 7.0–9.1 °C).
Rosenhügel
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 1.8 - 2.4 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 2.5 mg/l |
| Sulfate | 29.7 - 64.5 mg/l |
| Magnesium | 6.5 - 25.7 mg/l |
| Calcium | 35.2 - 64.4 mg/l |
Origin of the water
100% from the springs in the Parpan/Valbella area (water temperature: 4.7 - 5.6 °C).
Brambrüesch
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.0 |
| Nitrate | 2.8 mg/l max. value: 40 mg/l |
| Chloride | 1.0 mg/l |
| Sulfate | 119.0 mg/l |
| Magnesium | 31.3 mg/l |
| Calcium | 122.0 mg/l |
Origin of the water
100% from the springs in the Brambrüesch area (water temperature: 9.8 - 15 °C).
Bonda
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to food legislation.
| Hardness | |
| pH-value | 8.0 - 8.2 |
| Nitrate | 1.9 mg/l max. value: 40 mg/l |
| Chloride | 0.9 mg/l |
| Sulfate | 75.7 - 77.1 mg/l |
| Magnesium | 46.4 - 46.9 mg/l |
| Calcium | 79.3 - 83.5 mg/l |
Origin of the water
100% from the springs in the Parpan/Valbella area
(water temperature: 4.7–5.6 °C)
Maladers
Hygienic assessment
The microbiological samples examined are within the legal requirements.
The drinking water in Chur is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to the food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 2.0 - 2.4 mg/l max. value: 40 mg/l |
| Chloride | 0.9 mg/l |
| Sulfate | 8.1 - 8.4 mg/l |
| Magnesium | 4.0 - 4.3 mg/l |
| Calcium | 56.3 - 59.6 mg/l |
Origin of the water
100% from the springs in the Stoggwald/Blau Rüfi area (water temperature: 7.0 - 13 °C).
Sand/Meiersboden
Hygienic assessment
The microbiological samples examined are within the legal requirements. Chur's drinking water is hygienically impeccable.
Chemical assessment
The drinking water meets the chemical requirements according to food legislation.
| Hardness | |
| pH-value | 8.0 - 8.2 |
| Nitrate | 1.8 - 2.4 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 2.5 mg/l |
| Sulfate | 29.7 - 77.1 mg/l |
| Magnesium | 6.5 - 46.9 mg/l |
| Calcium | 35.2 - 83.5 mg/l |
Origin of the water
90% from the springs in the Parpan/Valbella area (water temperature: 4.7 - 5.6 °C)
10% from the springs in the Mittenberg area (Wassertemperatur: 7.0 - 9.1 °C).
Araschgen
Hygienic assessment
The microbiological samples examined are within the legal requirements. Chur's drinking water is
hygienically impeccable
Chemical assessment
The drinking water meets the chemical requirements according to food legislation.
| Hardness | |
| pH-value | 8.1 - 8.2 |
| Nitrate | 1.8 - 2.4 mg/l max. value: 40 mg/l |
| Chloride | 0.4 - 2.5 mg/l |
| Sulfate | 29.7 - 64.5 mg/l |
| Magnesium | 6.5 - 25.7 mg/l |
| Calcium | 35.2 - 64.4 mg/l |
Origin of the water
100% from the springs in the Parpan/Valbella area (water temperature: 4.7–5.6 °C)
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