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Outstanding, Impaired and Non-Attaining Waters Maps by County
The maps listed below are based on ADEQ's 303(d) List approved by the U.S. EPA. They are detailed county maps that illustrate Outstanding, Impaired and Not-Attaining Waters, and also watersheds, intermittent and perennial streams, and lakes.
Projects in the Five-Year Program Located Near Unique and Impaired Waters
ADOT updates the list of projects from the Five-Year Transportation Facilities Construction Program that are located within 1 mile of unique and impaired waters on an annual basis for project planning purposes. The current map and table illustrate such programmed projects for 2007 through 2011.
Phase I and Phase II Stormwater System Maps
These maps show the ADOT stormwater conveyance system within the boundaries of all MS4s statewide. As modifications are made to the conveyance systems, the maps will be updated.