Table
Municipality-State-Reporting: wastewater | 2012 | 2015 | 2016 | Change in per cent |
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| 2012 - 2016 | 2015 - 2016 |
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| Percentage of population connected to municipal wastewater facilities | 83.9 | 84.2 | 84.4 | 0.6 | 0.2 |
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| Connection density of wastewater pipeline system (inhabitants/km) | 118 | 119 | 119 | 0.8 | 0.0 |
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| Percentage of total wastewater pipeline system renewed, 3-year-average | 0.48 | 0.57 | 0.61 | 27.1 | 7.0 |
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| Number of sewage overflow in sewage pipelines and manhole covers per km pipeline | 0.054 | 0.048 | 0.053 | -1.9 | 10.4 |
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| Income from fees per inhabitant connected to municipal wastewater facilities | 1 429 | 1 636 | 1 661 | 16.2 | 1.5 |
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| Operating expenditures per inhabitant connected to municipal wastewater facilities | 988 | 1 130 | 1 162 | 17.6 | 2.8 |
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