Wastewater treatment plants. Overall performances
| 2015 | 2016 | 2017 | 2018 | 2019 | |||
|---|---|---|---|---|---|---|---|
| Operative treatment plants | 495 | 510 | 516 | 518 | 523 | ||
| Treatment plants analysed (1) | 474 | 493 | : | 509 | 509 | ||
| Volume treated (1,000 m3/day) | 1,704.0 | 1,713.0 | 1,742.0 | 1,891.0 | 1,784.5 | ||
| Volume treated hm3/year | 622.0 | 626.9 | 635.8 | 690.2 | 651.2 | ||
| Average elimination performance (%) | |||||||
| suspended materials | 94.7 | 94.0 | 94.0 | 95.1 | 95.4 | ||
| biochemical demand for oxygen | 95.4 | 96.0 | 96.0 | 95.9 | 96.3 | ||
| chemical demand for oxygen | 93.4 | 94.0 | 94.3 | 92.7 | 93.2 | ||
| Source: Agència Catalana de l'Aigua. | |||||||
| (1) Some systems were not analysed because they became operational at the end of the year, because it was not possible to obtain a sample due to them being septic tank or infiltration type facilities or because they were plants operated on a seasonal basis. | |||||||
| Note: Only includes public treatment plants. | |||||||
Index [+]
- Demography · Society
- Quality of life
- Economy
- Economic sectors
-
Environment · Territory
-
Environment
- Hydrology
- Weather
- Natural enviroment
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Environmental indicators
- Water consumption. Invoicing. Counties and Aran, areas and provinces
- Water quality. Controls made of continental water
- Quality of bathing water. Counties and Aran, and provinces
- Wastewater treatment plants. By types
- Wastewater treatment plants. Overall performances
- Air quality index (ICQA)
- Atmospheric pollution. Main contaminants
- Atmospheric pollution. PM 10, lead and benzene
- Industrial waste. By sectors of activity
- Industrial waste. By types
- Industrial waste. Counties and Aran, and areas
- Municipal waste. By destination. Counties and Aran, and areas
- Municipal waste. Selective collection. Counties and Aran, and areas
- Waste treatment. Facilities. By types
- Material Flow Accounts
- Territory
-
Environment
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