Drinking Water Quality Indicators in the Odesa Water Supply Network as of October 2, 2026
Currently, tap water supplied to consumers from the Dniester Water Treatment Plant.
Before being supplied to Odesa, water undergoes thorough multi-stage treatment and disinfection at the Dniester Water Treatment Plant, where rapid filters are replaced in a timely manner and equipment is regularly modernized.
However, due to the considerable distance between consumers and the water intake, water undergoes additional disinfection at all municipal pumping stations in Odesa. Infoksvodokanal was among the first water utilities in Ukraine to introduce a new, safer water disinfection technology using sodium hypochlorite. For this purpose, the company invested over UAH 5 million in German and Austrian equipment and high-quality reagents.
Water quality is monitored around the clock by highly qualified specialists of the Central Chemical and Bacteriological Laboratory of the Infoksvodokanal Branch, using equipment from leading international manufacturers and testing more than 55 parameters. In addition, water quality is monitored by the Odesa Laboratory Center of the Ministry of Health of Ukraine. Infoksvodokanal`s water treatment operations were also assessed by European experts under the international TACIS programme and were recognized as fully reliable.
The water complies with DSanPiN 2.2.4-171-10 "Hygienic Requirements for Drinking Water Intended for Human Consumption".
| No. | Parameter | Value | DSanPiN 2.2.4-171-10 Standard |
|---|---|---|---|
| 1 | Temperature, °C | 18.6 | Not regulated |
| 2 | Colour, degrees | 11 | ≤20 |
| 3 | Turbidity, mg/dm³ | 0.44 | ≤0.58 |
| 4 | pH (hydrogen ion concentration) | 7.40 | 6.5–8.5 |
| 5 | Ammonium, mg/dm³ | <0.1 | ≤0.5 |
| 6 | Nitrites, mg/dm³ | <0.003 | ≤0.5 |
| 7 | Chlorides, mg/dm³ | 40.0 | ≤250 |
| 8 | Total hardness, mmol/dm³ | 2.0 | ≤7.0 |
| 9 | Total alkalinity, mmol/dm³ | 2.9 | Not regulated |
| 10 | Free residual chlorine, mg/dm³ | 0.33 | 0.3–0.5 |
| 11 | Combined residual chlorine, mg/dm³ | 0.49 | 0.8–1.2 |
| 12 | Oxidizability, mg/dm³ | 2.30 | ≤5.0 |
| 13 | Total dissolved solids, mg/dm³ | 350 | ≤1000 |
| 14 | Total iron, mg/dm³ | <0.1 | ≤0.2 |
| 15 | Total microbial count, CFU/cm³ | 3 | ≤50 |
| 16 | Total coliforms, CFU/100 cm³ | Not detected | Absent |
| 17 | E. coli, CFU/100 cm³ | Not detected | Absent |
| 18 | Enterococci, CFU/100 cm³ | Not detected | Absent |
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