Environment Condition in April, 2017

2017-05-12

05

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According to the researches, the water level in the Goryn River (above the Baltic Sea level) fluctuated within a month from 192.96 m to 192.70 m (by the end of month) in April. The average month temperature of water was 10.7°С. The average month water flow was 9.8 m3/s; the general flowing of the Goryn River was 25.40 million m3 during the month. The maximum daily average water flow was 7.65 m3/s, the minimum daily average water flow was 14.2 m3/s in April. The water level of the reservoir-cooler fluctuated from 202.64 m to 202.60 m (at the design level 203.0 m) during the month. The average month water temperature was 15.0°С (the maximum daily average was 17.0°С; the minimum daily average was 11.9°С). The mirror area of the reservoir-cooler was 19.412 km2; water volume was 109.604 million m3 at the end of the month.
The chemical analysis data of water quality in the reservoir-cooler (the pump station of auxiliary water) and in the Goryn River (near the Old Mill, Netishyn)were as follows in April:

 
Solidity general,mg-equv/l
Calcium (Ca2+), mg/l
Magnezium (Mg2+), mg/l
Natrium (Na+), mg/l
Potassium (K+), mg/l
Bicarbonate (HCO3), mg/l
Cabronates (CO32-), mg/l
Dry residues , mg/l
Sulphates (SO42-), mg/l
Reservoir-cooler
4.8
68.1
17.0
65.8
9.3
280.6
6.0
450
91
Goryn river
6.3
104.2
13.4
13.6
6.5
280.6
0
405
86.8
MAC*  
180
40
120
50
   
1000
100

 
Crenelle, (NH4+), mg/l
Nitrates (NO3-), mg/l
Nitrates (NO2-), mg/l
Phosphates (PO43-), mg/l
Oil products mg/l
Synthetic surfactant, mg/l
Iron, mg/l
Permanganate oxidability,, mgO/dm3
Dissolved oxide (O2), mg/l
Reservoir-cooler
0.18
2.37
0.02
0.48
0.01
0.023
<0.1
9.6
9.6
Goryn river
0.27
7.55
0.066
0.084
0.01
0.024
0.29
5.92
10.3
MAC*
0,5
40
0,08
0,25
0,05
0,1
0,1
-
>4

Notes: Standard MAC (maximum allowable concentration) is applied for water objects of industrial fishing (the Goryn River pertains to them) - «Rules of superficial water protection» (approved by the Order of the State Committee of Nature of the USSR dated 21.02.1991).

According to the data of chemical analysis results mentioned above, the water quality of the reservoir-cooler in April was better than the water quality in the Goryn River regarding many coefficients.
The water recovery from the drainage channel of the pump station of leakage water was 1.728 million m3 during April. The diversion flow from the Goryn River into the reservoir-cooler was performed at amount of 1.292 mln. cub. m by the pump station of auxiliary water.
According to the data of ambient air composition research, the month maximum one-time concentration of oxide sulfur at the border of the protected sanitary area of KhNPP (in Neteshin) was <0.05 mg/m3 (<10.0 % from MAC), the maximum one-time concentration of oxide nitrogen was <0.02 mg/m3 (<10.0 % from MAC) in April. Based on the research of precipitation composition, pH value was 6.6 units. Total precipitation was 50.4 mm during April. The average month air temperature was «+6.2°С» (the maximum daily temperature was «+11.5°С», the minimum daily temperature was «+2.1°С»).