158
F. Morar et al.
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.00
16.00
minimum
medium
maximum
minimum
medium
maximum
minimum
medium
maximum
2015
2016
2017
Secon – outlet Mureș
Secon - Ungheni/Mureș
Secon – outlet Iernut
Fig. 4.3 Dissolved oxygen (concentration) (mgO 2 /l)
0
20
40
60
80
100
120
minimum
medium
maximum
minimum
medium
maximum
minimum
medium
maximum
2015
2016
2017
Secon – outlet Mureș
Secon - Ungheni/Mureș
Secon – outlet Iernut
Fig. 4.4 Dissolved oxygen (saturation) (%)
Water Framework Directive is carried out by the Romanian Water Authority through
its territorial units (Water Basin Administrations). Surface water monitoring activities include: the surveillance program, the operational program, and the investigation
program. By means of these programs, a real assessment of the investigated environments is made.