{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T09:39:18Z","timestamp":1771493958238,"version":"3.50.1"},"reference-count":32,"publisher":"IOP Publishing","issue":"1","license":[{"start":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T00:00:00Z","timestamp":1706745600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"},{"start":{"date-parts":[[2024,2,1]],"date-time":"2024-02-01T00:00:00Z","timestamp":1706745600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["IOP Conf. Ser.: Earth Environ. Sci."],"published-print":{"date-parts":[[2024,2,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>According to Directive 2184\/2020 on the quality of water intended for human consumption and World Health Organization (WHO) best practice, the Water Safety Plan (WSP) includes a review of the whole water supply chain \u2013 from protection of the water source, through water abstraction, transportation, treatment, storage and distribution to the end user. Risk management is based on the introduction of corrective, control and preventive measures, as well as subsequent validation of the measures taken and monitoring of their implementation according to the Deming cycle. The purpose of the current study is to review individual components of the WSP implementation and the effectiveness of WSP developed and implemented by Sofiyska voda JSC (SV) - the water supplier of Sofia, the capital of Bulgaria. 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