Ukraine's parliament has put a new framework for drinking water quality management into force, moving the country from reactive monitoring to a source-to-tap risk-based system. Law No. 4978-IX entered into force in October 2026 and is the latest in a series of European-integration reforms covering drinking water supply and drainage, according to an interview published on 20 October 2026 by the press service of the Verkhovna Rada of Ukraine with Oleh Bondarenko, Chairman of the Committee on Environmental Policy and Nature Management (Офіційний портал Верховної Ради України).
Key takeaways
- Law No. 4978-IX has entered into force and forms part of Ukraine's European-integration reforms on drinking water supply and sanitation (Офіційний портал Верховної Ради України).
- The law introduces a risk-based quality management system covering the full path from the water source to the consumer, not only the final monitoring step (Офіційний портал Верховної Ради України).
- Temporary derogations from certain drinking water quality requirements are allowed under conditions set by the relevant European directive, including man-made disasters and cases where compliance is temporarily impossible in a specific settlement (Офіційний портал Верховної Ради України).
- The National Commission for Energy and Public Utilities Regulation licences water utilities, approves tariffs and oversees their operations within the limits of the relevant legislation (Офіційний портал Верховної Ради України).
- Responsibility for service provision rests first with the supplying water and sewerage utility, most often a municipal water and sewerage company, under a contract with the consumer (Офіційний портал Верховної Ради України).
What happened
Bondarenko told the press service that the law's central innovation is moving away from a system that responds to detected pollution and toward a risk-oriented approach. "This is a significantly more complex mechanism, which makes it possible to prevent problems and create a unified, higher-quality system that is, without exaggeration, of a European standard," he said (Офіційний портал Верховної Ради України).
He framed the reform as a continuation of wartime regulatory work. "This process has accelerated precisely during the full-scale invasion. We have already adopted legislative amendments concerning the specifics of wastewater discharge, as well as an updated version of the law on water supply," Bondarenko said (Офіційний портал Верховної Ради України). The new instrument obliges water utilities and other participants in the supply chain to identify risks at every stage, assign responsibility, and run continuous monitoring, with corrective action triggered when a threat is found.
The law also allows temporary derogations from certain drinking water quality parameters, but only in cases defined by the relevant European directive, for instance when a man-made disaster damages a supply system or when a particular settlement cannot meet the requirements during a defined period. Bondarenko stressed that a derogation is not a waiver of safety: it permits the use of different temporary parameters and "should not be interpreted as a waiver of drinking water safety requirements" (Офіційний портал Верховної Ради України).
On enforcement, Bondarenko said the first point of contact for a consumer with a quality or service problem is the supplying water and sewerage utility, most often a municipal enterprise under a direct service contract. National oversight sits with the National Commission for Energy and Public Utilities Regulation, which licences water utilities, approves tariffs and monitors operations within its statutory powers (Офіційний портал Верховної Ради України).
Specification read
The Verkhovna Rada interview does not publish a capacity, treatment-train diagram, or unit figure for the reform; the only scale it gives is institutional. Implementation is assigned to the water and sewerage utilities that already serve Ukrainian towns, supervised by the National Commission for Energy and Public Utilities Regulation on tariffs, licensing and operations, and backed by the Committee on Environmental Policy and Nature Management on the legislative side (Офіційний портал Верховної Ради України). Because no flow in m³/day, BOD/COD loading or population equivalent is reported, a buyer cannot yet size a project from this source alone; the missing inputs are the per-utility baseline flows, the contaminant list that will trigger risk assessments, and the monitoring frequency that the implementing rules will set.
The treatment train implied by the new rules is a source-to-tap risk chain rather than a single process unit. The change most directly affects the screening-and-monitoring layer at intake, the operational monitoring around primary and biological stages (such as Water Purification trains, with conventional activated sludge, MBR, MBBR, SBR or UASB depending on load), and the tertiary and disinfection steps that confirm the parameter set the law now governs end-to-end. Buyers planning upgrades around the new framework should review how their existing intake screening, online instrumentation and disinfection stage will feed the continuous risk record the law requires, and map each step to a responsible party inside the utility, as set out in the interview (Офіційний портал Верховної Ради України).
If your plant operates as a municipal water and sewerage utility, supplies drinking water to a defined settlement, and is now expected to run a documented risk assessment from intake to tap, this is the regulatory frame that will sit on top of your existing biological and tertiary stages. Operators handling cooling or process blowdown under similar source-to-tap scrutiny can compare notes through the related Data Center Wastewater & Cooling Blowdown Treatment in Kharkiv, Ukraine (2026 Guide) and broader Effluent Treatment Plant in Algiers: 2026 Process & Buyer's Guide reference material; for the compliance layer the new Ukrainian law points to, the parallel Effluent Treatment Plant in Annaba: 2026 Process, Cost & Compliance Guide covers the same European-aligned dossier logic.
FAQ
What does Law No. 4978-IX actually change for a municipal water utility in Ukraine?
It replaces reactive end-of-pipe monitoring with a risk-based management system that runs from the water source to the consumer, obliges utilities to identify and assign responsibility for risks at every stage, and requires continuous monitoring plus corrective action when a threat is found, as described in the Verkhovna Rada interview (Офіційний портал Верховної Ради України).
Can a utility serve water that does not meet every drinking water parameter under the new law?
Yes, in the limited cases set by the relevant European directive, such as a man-made disaster that damages supply infrastructure or a defined period when a particular settlement cannot meet the requirement, the law allows temporary derogations with different temporary parameters, but not a waiver of safety obligations (Офіційний портал Верховної Ради України).
Who regulates tariffs and licensing for water utilities under the new framework?
The National Commission for Energy and Public Utilities Regulation licences water utilities, approves tariffs and monitors their operations within the powers of the relevant legislation, according to Bondarenko's interview (Офіційний портал Верховної Ради України).
Where should a consumer direct a service or quality complaint first?
The interview states that the supplying water and sewerage utility, most often a municipal water and sewerage company, is the first point of contact under the existing service contract, with further recourse to local authorities and state regulators (Офіційний портал Верховної Ради України).
