Water authority/Noord· Zwolle

Waterschap Drents Overijsselse Delta

WDOD

Fusie 2016 (Groot Salland + Reest en Wieden + Velt en Vecht in Drenthe). IJsselmeerdijk, Vechtdelta.

wdodelta.nl ↗Residents of Drenthe + Overijssel (west)

/ 02 — Key figures

Residents

680.000

Area

2.500km²

Annual budget

€ 145,0 mln

FTE

380

16 treatment plants

Budget per resident

€ 213

incl. water-system levy

Budget per km²

€ 58 dzd

management density

Budget per FTE

€ 382 dzd

labour intensity

/ 03 — Tasks & funding

Water safety

Primary flood defences (dykes along the sea, rivers, IJsselmeer) plus regional defences. Tested every 12 years under the Water Act. High Water Protection Programme co-financing via the Delta Fund.

Water quality + treatment

16 sewage treatment plants — domestic and industrial wastewater is treated. EU Water Framework Directive.

Own taxes

Water-system levy (residents + landowners/nature) + treatment levy (households) + pollution levy (companies). Own board (general + executive) via direct elections — held alongside Provincial Council elections.

/ Other water authorities in Noord

Leeuwarden

Wetterskip Fryslân

Waterbeheer in Friesland — bemaling polders, IJsselmeerdijken, 28 RWZI's. Uniek: eigen wet in Friese taal.

673k

residents

Veendam

Waterschap Hunze en Aa's

Oost-Groningen + Drenthe; Dollard-dijken, Hondsrug, veenkoloniaal gebied, grenswaterbeheer met Duitsland.

415k

residents

Groningen

Waterschap Noorderzijlvest

Waterbeheer Noord-Nederland — bescherming tegen Waddenzee, stedelijk water Groningen, veenkoloniale afwatering.

370k

residents

/ Sources

Water authority: wdodelta.nl ↗— annual report + budget.

Umbrella body: Union of Water Authorities (Unie van Waterschappen)— interest representation + HWBP co-financing.