These fast explanations of water lingo by Hannah Leigh Myers are a regular feature of the Water Buffs podcast.
We explain the somewhat arcane measurement that is used widely in U.S. water circles.
Podcast: Data vis for water journalism
‘Aquatic nuisance species’
The EPA defines aquatic nuisance species (ANS) as organisms that disrupt the ecological stability of infested waters.
According to the Alliance for Water Efficiency, demand hardening happens when “prior conservation makes future demand reductions harder to achieve.”
The EPA defines gray water as “any washwater that has been used in a home or business, except water from toilets.”
The term “headwaters” refers to the area where a stream or river begins.
Podcast: Using drone and aerial imagery
A legal water rights system that means those who have used the water longer have more rights to the water than newcomers.
The U.S. Geological Survey defines return flow as “drainage water from irrigated farmlands that re-enters the water system to be used further downstream.”
Riparian rights give the owners of land touching a water source the right to use water from it.
Transmountain diversions—sometimes called transbasin diversions— divert water by drawing it from one stream or river into the watershed of another.
Podcast: Water, money, and power in Colorado
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