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230225 Zaporizhzhia Vodokanal Company
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5.3.6. 230225 Zaporizhzhia Vodokanal Company
In 1999, the total volume of effluent discharged by Zaporizhzhia Vodokanal Company was 159,600,000 m3 per year, including 36,130,000 m3 of effluents discharged without any treatment. In 1999, the following contaminants entered the Kakhovka reservoir with effluent discharges from Zaporizhzhia Vodokanal Company: BODt (2,022 tonnes); oil products (52 tonnes); suspended substances (2,295 tonnes); dry residue (13,060 tonnes); sulphates (2,662 tonnes); chlorides (4,644 tonnes); ammonium nitrogen (435 tonnes); phenols (58 tonnes); nitrates (3,126 tonnes); surfactants (12.05 tonnes); and iron (0.029 tonne).
In 2000, Zaporizhzhia Vodokanal Company discharged 143,500,000 m3 of wastewater per year, including 26,960,000 m3 of untreated effluents. The following contaminants entered the Kakhovka reservoir with effluent discharges from Zaporizhzhia Vodokanal Company in 2000: BODt (1,798 tonnes); oil products (32 tonnes); suspended substances (1,681 tonnes); dry residue (8,276 tonnes); sulphates (2,842 tonnes); chlorides (5,149 tonnes); ammonium nitrogen (378 tonnes); nitrates (2,726 tonnes); surfactants (13.41 tonnes); and iron (0.57 tonne).
According to the estimates, the Zaporizhzhia Vodokanal Company accounts for 2.47% of the total volume of effluent discharges in the Dnipro Basin.
The following priority contaminants, contained in effluent discharges of the Zaporizhzhia Vodokanal Company, are considered to contribute most significantly to surface water pollution in the Basin: ammonium nitrogen, BOD, nitrates, and surfactants.
