Water board elections were held in the European Netherlands on 15 March 2023 to elect 518 of the 602 resident members of the country's water boards.
As in the provincial elections held on the same day, the Farmer–Citizen Movement became the largest party by vote share nationally and in 14 of the 21 water boards. Water Natuurlijk, which was endorsed by GroenLinks, Democrats 66 and Volt Netherlands fell to second place nationally but remained the largest party by vote share in four water boards. The Labour Party and local Water Board Party Hollandse Delta were also each largest by vote share in one water board.
These elections also saw a large increase in the number of elected officials to the water boards, due to a new bill which was passed by the Senate which heavily reduced the number of seats which went to stakeholders. The total number of seats in each water board was not affected by this, instead the seats that were formerly held by stakeholders are now elected during the water board elections.
Results National
By Water Board Water BoardNumber of seats by partyBBBWNVVDPvdAPvdDCDAAWPCUSGP50+BVNLJA21GBOtherTotalNoorderzijlvest4613 -1 -1 -00 -1219Fryslân74121201 - -1 - -221Hunze en Aa's6513 -101 -00 -2019Drents Overijsselse Delta952 -2202100 - -225Vechtstromen972 - -311000 - -023Zuiderzeeland662 - -12211 - - -21Vallei en Veluwe63221223310 - -126Rijn en IJssel9524 -30 - -0 - - -326De Stichtse Rijnlanden46334221100 - -026Amstel, Gooi en Vecht34464121 -00 - -126Hollands Noorderkwartier62332100 -11 - -726Rijnland54443211101 -026Delfland44433231011 -026Schieland en de Krimpenerwaard36433122101 -026Rivierenland652323112001 -026Hollandse Delta423221012111 -626Scheldestromen7222121140 - - -426Brabantse Delta5342221 - -10 - -626De Dommel4743321 - -10 - -126Aa en Maas7832221 - -1 - - -026Limburg432 -2 -1 - -10 - -1326Total118975550373621141310553485186Compared to 2019+118+6-15+1+20-24-2-1+4-22+5+5+3-20+76-2
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