Related by context. Frequent words. (Click for all words.) 60 Waitaki River 54 hydro lakes 54 Waitaki 53 Murrumbidgee River 52 cumecs 50 Tekapo 50 Clutha River 50 catchment 50 Lake Rotoiti 49 hydro electric 49 Waimakariri River 48 Coliban Water 47 hydro dams 47 Lake Tekapo 47 Ms Maywald 47 water 46 gigalitres 46 Catchment 46 Warrego 46 Watercare 46 Hydro Tasmania 46 catchments 46 tidal 45 Trustpower 45 Fitzroy River 45 weir 45 lakes 44 Trent Severn Waterway 44 hydro electric power 44 ECan 44 dam spillway 44 Tongariro 44 TrustPower 44 reticulation 43 hydro 43 hydro electric dams 43 Clutha 43 basin 43 weirs 43 Otways 43 turbidity 43 Wivenhoe Dam 43 groundwater extraction 43 irrigators 43 Snowmelt 43 Nechako River 43 Waimakariri 43 Pueblo Reservoir 43 rivers 43 Snowy Hydro 43 flood alleviation 43 Murrumbidgee 43 reservoirs 42 megalitres 42 Great Artesian Basin 42 Murray Darling 42 reservoir 42 River Derwent 42 Hurunui 42 Hawea 42 tailrace 42 Coorong 42 Manukau Harbour 42 Cahora Bassa 41 river 41 Salinity 41 megalitre 41 effluent discharge 41 lake 41 Severn Estuary 41 freshwater 41 salinity 41 water reticulation 41 evaporation ponds 41 estuary 41 Murray Darling Basin 41 Campaspe 41 irrigator 41 Whanganui River 41 silt 40 catchment areas 40 river basins 40 upstream 40 Wimmera River 40 tidal turbine 40 dams 40 Reservoir 40 Dam 40 Tablelands 40 aquifer recharge 40 streamflows 40 Namoi 40 sewerage 40 tailwater 40 melting snowpack 40 hydroelectric 40 Lake Wakatipu 40 irrigation 40 Minister Karlene Maywald 40 Vaal River 40 lagoons