| Condition variable | Subvariable | Unit | Condition 2015 | Condition 2018 | Change 2018 to 2015 |
|---|---|---|---|---|---|
| - = No figures or magnitude zero. | |||||
| Nitrate-Nitrogen (rivers) | Quality category I | share of measuring points | 0.04 | 0.04 | - |
| Quality category I-II | share of measuring points | 0.03 | 0.02 | -0.01 | |
| Quality category II | share of measuring points | 0.09 | 0.09 | - | |
| Quality category II-III | share of measuring points | 0.50 | 0.49 | -0.01 | |
| Quality category III | share of measuring points | 0.27 | 0.29 | 0.02 | |
| Quality category III-IV | share of measuring points | 0.01 | - | -0.01 | |
| Quality category IV | share of measuring points | - | - | - | |
| Not assessed | share of measuring points | 0.05 | 0.07 | 0.02 | |
| Measuring points | number | 250 | 256 | 6 | |
| Total phosphorus (rivers) | Quality category I | share of measuring points | 0.10 | 0.10 | - |
| Quality category I-II | share of measuring points | 0.11 | 0.13 | 0.02 | |
| Quality category II | share of measuring points | 0.13 | 0.15 | 0.02 | |
| Quality category II-III | share of measuring points | 0.59 | 0.57 | -0.02 | |
| Quality category III | share of measuring points | 0.05 | 0.02 | -0.03 | |
| Quality category III-IV | share of measuring points | 0.01 | 0.01 | - | |
| Quality category IV | share of measuring points | - | - | - | |
| Not assessed | share of measuring points | - | - | - | |
| Measuring points | number | 249 | 254 | 5 | |
| Bathing water quality (rivers) | Excellent | % of bathing waters in state | 0.71 | 0.79 | 0.08 |
| Good or sufficient | % of bathing waters in state | 0.12 | 0.09 | -0.03 | |
| Poor | % of bathing waters in state | - | 0.03 | 0.03 | |
| Unknown | % of bathing waters in state | 0.18 | 0.09 | -0.09 | |
| Measuring points | number | 34 | 34 | 0 | |
| Bathing water quality (lakes) | Excellent | % of bathing waters in state | 0.92 | 0.93 | 0.02 |
| Good or sufficient | % of bathing waters in state | 0.05 | 0.04 | -0.01 | |
| Poor | % of bathing waters in state | - | - | - | |
| Unknown | % of bathing waters in state | 0.04 | 0.03 | -0.01 | |
| Measuring points | number | 1,907 | 1,907 | 0 | |
| Protected areas | % | 44.45 | 44.51 | 0.06 | |
As at 21 June 2023