ADWR Dictionary

ADWR Dictionary

ADWR Dictionary

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General Adjudication

General adjudication means an action for the judicial determination or establishment of the extent and priority of the rights of all persons to use water in any river system and source.

Grandfathered right (GFR)

A right to withdraw and use groundwater within an AMA based on the fact of lawful withdrawals and use of groundwater prior to the AMA’s designation. These rights include Irrigation Grandfathered Rights, Type 1 Non-Irrigation Grandfathered Rights, and Type 2 Non-Irrigation Grandfathered Rights. 

Gravimeters

plural for two gravity meters.  One gravity meter is gravimeter.

Groundwater

Generally, water below the earth’s surface but commonly applied to water in fully saturated soils and geologic formations.Generally, water below the earth’s surface but commonly applied to water in fully saturated soils and geologic formations.

Groundwater basin

An area which may be designated so as to enclose a relatively hydrologically distinct body or related bodies of groundwater, which shall be described horizontally by surface description. 

Groundwater flow model

A digital computer model that calculates a hydraulic head field for the modeling domain using numerical methods to arrive at an approximate solution to the differential equation of groundwater flow. 

Groundwater replenishment district

A district established as a special taxing district to develop, store, augment, conserve, replenish or otherwise increase water supplies for the benefit of the district members. 

Groundwater savings facility (GSF)

A facility within an AMA or INA at which groundwater withdrawals are eliminated or reduced by recipients who use in lieu water on a gallon-for-gallon substitute basis for groundwater that otherwise would have been pumped from within that AMA or INA. 

Groundwater withdrawal permit

Permits issued by ADWR for withdrawing groundwater in an AMA under the following categories: dewatering (permanent or temporary), mineral extraction and metallurgical processing, general industrial use (GIU), poor quality groundwater, electrical energy generation (temporary), drainage, and hydrological testing.