level
(§§ 136,
2d LWG-NRW 1995). Parallel
management structures exist at the sub-basin level,
such as water associations like the Wupperverband
(§ 5 WupperVG). The Wupperverband is
responsible for dealing with a range of water
management tasks, such as water quality, flood, and
scarcity problems (§ 2 WupperVG), and is a
government controlled public corporation (Tettinger
et al. 2000). Compulsory
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