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Securing Arizona's Water Future
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PUBLICATION BY SERIES

HYDROGRAPHIC SURVEY REPORTS (HSR)

There are two general stream adjudications in Arizona, the Gila River System (Gila Adjudication) and the Little Colorado River System (LCR Adjudication).  By statute, ADWR is required to prepare and publish comprehensive Hydrographic Survey Reports (HSRs) for each of the ten watersheds within the two adjudications. HSRs are multi-volume publications that involve intensive data collection and field inspection efforts by ADWR, including detailed information regarding land ownership, hydrology, and the factual basis for each Statement of Claimant (SOC).  The HSRs also include ADWR's recommendations regarding the water rights attributes for each individual water right claim or use investigated.  Click here for more information on the Adjudications Program.

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Little Colorado River Plateau

Preliminary HSR for the Hopi Indian Reservation: On December 31, 2008, the Arizona Department of Water Resources (ADWR) released the Preliminary Hydrographic Survey Report for the Hopi Indian Reservation (Hopi Preliminary Report) for inspection and comment. The Hopi Preliminary Report was prepared by ADWR as part of the Little Colorado River General Stream Adjudication (LCR Adjudication), which is pending before the Apache County Superior Court.



Hydrology Division Navigation Links

Use the above links to navigate the Hydrology Division