The lowering of the land-surface from changes that take place underground.
Protecting & enhancing Arizona’s water supplies for current and future generations.
ADWR Dictionary
ADWR Dictionary
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Land Subsidence
Large community water system
A community water system that annually serves more than 1,850 acre-feet of water to customers.
Large municipal provider
Within an active management area, municipal water providers serving more than 250 acre-feet of water for non-irrigation use annually.
Long-term storage account
An account established to credit water stored pursuant to a water storage permit at a water storage facility if the water cannot reasonably be used directly and, if the storage facility is within an AMA, the water would not be naturally recharged to the AMA.
Lost water
Water from any source, including effluent, which enters a distribution system and is lost from the system during transportation or distribution due to seepage, evaporation, leaks, breaks, phreatophyte use, or other causes.