Upper Nihotupu Reservoir
Auckland Region, New Zealand
The Upper Nihotupu Reservoir (or Upper Nihotupu Dam) is one of five reservoirs in the Waitākere Ranges that supply water to Auckland, New Zealand. Completed in 1923, the concrete gravity dam and its reservoir are managed by Watercare Services, a council-owned company.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).