Other flood defenses
Flood defenses for which the national or provincial government has not established a safety standard have been designated as "other flood defenses. These other flood defenses have of course also been Map , but have not yet been digitized in detail and are therefore not included in the Register map Water Defenses.
This involves a total of several hundred kilometers of flood defenses. These include polder water barriers, foreland dikes and compartmentalized dikes. The provisions of the Water Board Ordinance also apply to these water defenses.
These dikes provide protection after the failure of a primary flood barrier by dividing the management area into compartments. It is expected that in the coming years some of the other flood defenses will still be provided with a provincial standard, making them part of the regional flood defenses.