Water transfer -- See Also Water banking Here are entered works on the purchase of water by a government agency from certain users and its resale to other users, according to a deposit/withdrawal system similar to that of a financial institution.
Water transportation, Inland -- See Inland water transportation Works on shipping on individual lakes, rivers, etc. are entered under the heading Shipping subdivided by the name of the lake, river, etc.
Water, Urban -- See Municipal water supply Here are entered general works on city, town, borough, or village water supply and, with local subdivision, works limited to the municipal water supply of regions, countries, states, etc. Works on the water supply of an individual city or town are entered under the heading Water-supply with local subdivision.
Water use efficiency -- See Water efficiency Here are entered works on the relationship between the amount of water required for a particular purpose and the quantity of water used or delivered, including measures taken to achieve more efficient water use and reduced demand.
Water utilities -- See Also Water-supply Here are entered works on water resources both superficial and underground, primarily for domestic, manufacturing, or agricultural purposes. Works on physical and economic access to adequate water are entered under Water security. --subdivision Water-supply under topical headings
Water works -- See Waterworks Here are entered works on the whole system of reservoirs, channels, mains and pumping and purifying equipment by which a water supply is obtained and distributed to consumers.
Waterbirds -- See Water birds Here are entered works on aquatic birds in general, including sea birds, shore birds, and waterfowl. Works on swimming gamebirds such as coots, ducks, and geese, are entered under Waterfowl. Scientific works on ducks, geese, and swans as a family are entered under Anatidae.