New water treatment facilities for Mykolaiv are being built for ₴800 million — Sukhomlyn says they will be «the most modern in Ukraine»

Serhii Sukhomlyn, Head of the State Agency for Recovery, during the Ukraine Recovery Conference, July 2025, Rome. Photo: NikVesti

New water treatment facilities for Mykolaiv cost about 800 million hryvnias. Construction work is still ongoing and is being financed from the state budget.

This was announced by the head of the State Agency for Recovery, Serhii Sukhomlyn, in an interview with KASHSTAN news, according to NikVesti.

He also reminded that the city's water treatment facilities will be fully operational by the end of March 2026.

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«We started building the treatment plant in August. It is state-of-the-art, with Austrian, Swiss, Danish and German equipment. We completed the first phase on 1 January, and by the end of March we will have completed the treatment plant for Mykolaiv. It will be the most modern treatment plant in Ukraine, that's for sure. The cost of these treatment facilities will be approximately 800 million hryvnias,» said Serhii Sukhomlyn.

It is worth noting that these treatment facilities are equipped with DynaDisc microfilters, according to the Mykolaiv Regional Military Administration. In fact, they provide mechanical filtration of water. This technology is based on rotating microfilters in the form of discs covered with a very fine mesh. Water passes through these discs, and all mechanical contaminants are retained on their surface. When the filter becomes contaminated, the system automatically flushes it without stopping the operation of the treatment facilities.

Despite this, the Mykolaiv authorities still insist that the new treatment facilities need to be modernised — equipped with modern membrane filters, Mayor Oleksandr Sienkevych explained to NikVesti.

Read also the article «The state is building new treatment facilities, but Mykolaiv insists on modernising them with an EIB loan: what will the city gain from this?»

When will the new water treatment facilities start operating?

The new water treatment facilities for centralised water supply in Mykolaiv are promised to be launched as early as January 2026, but they are promised to be fully operational later. They were built with funds saved during the construction of the new water pipeline.

Initially, it was planned to take out an EIB loan for the construction of new water treatment facilities for Mykolaiv, with Denmark providing part of the funding as a grant. The project was expected to take several years to complete and was intended to help provide the city with water of European standard.

However, the head of the State Agency for Reconstruction, Serhii Sukhomlyn, later said that this idea had been abandoned. It was decided to build new water treatment facilities using state funds — those saved during the construction of a new water pipeline for the city.

However, Mykolaiv Mayor Oleksandr Sienkevych supports the modernisation of new water treatment facilities with a loan from the European Investment Bank, but believes that the state should pay for it.

Read also the article NikVesti «When will Mykolaiv get drinking water in its taps and how much will it cost?»

Water pipeline for Mykolaiv. A bit of history

It has been more than three years since Russian troops damaged the water pipeline that supplied Mykolaiv with water. Since then, the city of almost half a million people has been left without a centralised supply of quality water.

All this time, Mykolaiv residents have been receiving water from a backup source, which raises many questions about the quality of such water and its salt content. Salt water has damaged 1,200 kilometres of the city's water supply network. Borys Dudenko, director of Mykolaivvodokanal, said that it is impossible to replace the entire length of the network that was damaged by the supply of salty water.

For a long time, representatives of the state and local authorities sought options for restoring the drinking water supply in Mykolaiv. A final decision was reached in 2024: a new water pipeline will be laid from Nova Odesa, and the money will be allocated from the state budget.

The regional restoration service even selected contractors who would work on a «design-build» basis. These were three companies, each responsible for one of three sections of the work: Ukrtransmist, Rostdorstroi and Avtostrada. However, both the customer and the construction contractor were subsequently changed. The customer for the construction of the new water pipeline was the Infrastructure Restoration and Development Service in the Dnipropetrovsk region, and the contractor was the Autostrada group of companies.

The new water pipeline for Mykolaiv was put into operation on 7 October 2025 and connected to the water supply network.