European Union Water Initiative Plus for the Eastern Partnership Countries (EUWI+) Result 2 SURFACE WATER MONITORING IN THE DANUBE - PRUT AND BLACK SEA RIVER BASIN DISTRICT, MOLDOVA April 2021 Beneficiaries State Hydrometeorological Service (SHS) Responsible EU member state consortium project leader Alexander Zinke, Umweltbundesamt GmbH (AT) EUWI+ country representative in Armenia Victor Bujac (Representative of the EUWI+ EU Member State Consortium in Moldova) Responsible international thematic lead expert Kristina Schaufler, Umweltbundesamt GmbH (AT) Responsible Armenian thematic lead expert Victor Bujac (Representative of the EUWI+ EU Member State Consortium in Moldova) Authors Georg Wolfram, DWS Hydro-Ökologie – Umweltbundesamt GmbH (AT) Kristina Schaufler, Umweltbundesamt GmbH (AT) Daniel Trauner, Umweltbundesamt GmbH (AT) Gabriele Vincze, Umweltbundesamt GmbH (AT) Daniela Csar, blattfisch e.U. – Umweltbundesamt GmbH (AT) Christian Pichler-Scheder, blattfisch e.U. – Umweltbundesamt GmbH (AT) Elisabeth Sigmund, DWS Hydro-Ökologie – Umweltbundesamt GmbH (AT) Peggy Macaigne, Umweltbundesamt GmbH (AT) Disclaimer: The EU-funded program European Union Water Initiative Plus for Eastern Partnership Countries (EUWI+) is im- plemented by the United Nations Economic Commission for Europe (UNECE), the Organisation for Economic Co- operation and Development (OECD), both responsible for the implementation of Result 1, and an EU Member States Consortium comprising the Environment Agency Austria (UBA, Austria), the lead coordinator, and the In- ternational Office for Water (IOW, France), both responsible for the implementation of Results 2 and 3. The pro- gram is co-funded by Austria and France through the Austrian Development Agency and the French Artois-Picar- die Water Agency. This document was produced with the financial assistance of the European Union. The views expressed herein can in no way be taken to reflect the official opinion of the European Union or of the Governments of the Eastern Partnership Countries. This document and any map included herein are without prejudice to the status of, or sovereignty over, any terri- tory, to the delimitation of international frontiers and boundaries, and to the name of any territory, city or area. Imprint Owner and Editor: EU Member State Consortium Umweltbundesamt GmbH Office International de l’Eau (IOW) Spittelauer Lände 5 21/23 rue de Madrid 1090 Vienna, Austria 75008 Paris, France Responsible IOW Communication Officer: Ms Chloé Déchelette [email protected] April 2021 Surface Water Monitoring in the Danube-Prut and Black Sea River Basin District (Moldova) CONTENTS 1 Executive summary ............................................................................................................................ 6 2 Introduction ......................................................................................................................................... 7 2.1 WFD monitoring requirements .................................................................................................... 7 3 Current surface water monitoring situation ........................................................................................ 9 3.1 Chemical Monitoring ................................................................................................................... 9 3.2 Biological Monitoring ................................................................................................................. 11 3.3 Hydro-morphological Monitoring ............................................................................................... 12 4 Monitoring results ............................................................................................................................. 14 4.1 Chemical Status ........................................................................................................................ 14 4.2 Ecological Status ...................................................................................................................... 14 4.3 Hydro-morphological Status ..................................................................................................... 17 5 Recommended surface water monitoring ........................................................................................ 19 5.1 Measures to improve the surface water monitoring ................................................................. 19 5.2 Chemical Monitoring ................................................................................................................. 19 5.3 Biological Monitoring ................................................................................................................. 21 5.4 Hydro-morphological Monitoring ............................................................................................... 23 6 References ....................................................................................................................................... 25 7 Annex 1 ............................................................................................................................................ 26 3 Surface Water Monitoring in the Danube-Prut and Black Sea River Basin District (Moldova) List of Tables Table 1: Overview of current chemical monitoring in rivers of the DPBS RBD (Complete list of sites see Annex 1 Table 14 and Table 16). ............................................................................................... 9 Table 2: Overview of current chemical monitoring in lakes of the DPBS RBD (Complete list of sites see Annex 1 Table 15 and Table 17). ............................................................................................. 10 Table 3: Overview of existing biological monitoring in rivers of the DPBS RBD (Complete list of sites see Annex 1 Table 14 and Table 16). ............................................................................................. 11 Table 4: Overview of existing biological monitoring in lakes and standing waters of in the DPBS RBD (Complete list of sites see Annex 1 Table 15 and Table 17). .................................................. 12 Table 5: Overview of existing hydrological monitoring in rivers of the DRBS RBD............................... 13 Table 6: Overview of existing hydrological monitoring in lakes and reservoirs of the DPBS RBD. ...... 13 Table 7: Categories of ecological classification..................................................................................... 14 Table 8: Ecological Status of SWB based on the new ESCS for macroinvertebrates. ......................... 16 Table 9: Hydro-morphological sampling sites including hydro-morphological status. .......................... 17 Table 10: Number of proposed monitoring in rivers and lakes of the DPBS RBD (Complete list of sites see Annex 1 Table 14, Table 15, Table 16, Table 17). ............................................................ 19 Table 11: Recommended frequency of chemical monitoring at surveillance and operational sites in rivers of the DPBS RBD. .................................................................................................................... 20 Table 12: Recommended frequency of chemical monitoring at surveillance and operational sites in lakes of the DPBS RBD. .................................................................................................................... 21 Table 13: Recommended frequency of biological monitoring at surveillance and operational sites in rivers of the DPBS RBD. .......................................................................................................... 22 Table 14: Recommended frequency of biological monitoring at surveillance and operational sites in lakes of the Hrazdan RBD. ....................................................................................................... 23 Table 15: Current and proposed Surveillance Monitoring sites in rivers of the DPBS RBD. ................ 26 Table 16: Current and proposed Surveillance Monitoring sites in lakes and standing waters of the DPBS RBD. ......................................................................................................................................... 26 Table 17: Current and proposed Operational Monitoring sites in rivers of the DPBS RBD. ................. 27 Table 18: Current and proposed Operational Monitoring sites in lakes and reservoirs of the DPBS RBD. ................................................................................................................................................. 27 Table 19: Current and proposed hydrological monitoring sites in rivers and reservoirs of the DPBS RBD. ................................................................................................................................................. 27 Table 20: Survey sites during the EUWI+ project ................................................................................. 28 Table 21: Overview of parameters in the chemical monitoring in the DPBS RBD. ............................... 29 Table 22: Future capacities of the Laboratories for measuring the priority substances that are listed by the EU WFD and associated directives for surface water monitoring after re-accreditation. .. 29 List of Figures Figure 1: Surface water monitoring sites within the DPBS RBD (surveillance, operational and hydrological monitoring; cf list of sites in Annex 1 Table 14 until Table 18). ........................... 10 Figure 2: Ecological