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Aquifer Classification:
Utah Ground Water Quality Protection Program

Aquifer Classification Process

When sufficient information is available, entire aquifers or parts of aquifers may be classified or reclassified by the Utah Water Quality Board according to ground water quality of the aquifer.

Petition Requirements

Any person may petition the Water Quality Board for classification of an aquifer, and the petition must include the following information:

  • Factual data supporting the proposed classification;
  • A description of the proposed ground waters to be classified or reclassified;
  • Potential contamination sources;
  • Ground water flow direction;
  • Current beneficial uses of the ground water; and
  • Location of all water wells in the area to be classified or reclassified.

Parts of an aquifer may be classified differently. Boundaries between different ground water class areas will be based on hydrogeologic properties, existing ground water quality data, and for Class IB and IC, current use of the ground water. For definitions of different ground water classes, please refer to the tab GW Classes and Protection Levels.

A petition for classification or reclassification must be performed under the direction, and bear the seal, of a professional engineer or professional geologist.

The petitioner requesting reclassification will provide sufficient information to determine if reclassification is in the best interest of the beneficial users.

Public Comment

After a technical review of the petition has been conducted by the Division of Water Quality, one or more public hearings will be held to receive comment on classification and reclassification proposals.

Planning Tool

Ground water classifications are intended to be used as a planning tool by local governmental agencies. Ground water classifications do not mandate any specific actions for local planning and zoning, nor obligate local governments to perform any technical assessments or monitoring, nor restrict existing or future land use.

Classified Aquifers

Following are maps of aquifers that have been classified by the Board.

Click photo to see larger version (Warning: large download sizes).

Bryce Canyon

Bryce Canyon Aquifer Map
Bryce Canyon Area Map

Cache Valley

Cache Valley Aquifer Map
Cache Valley Map

Castle Valley

Castle Valley Aquifer Map
Castle Valley Map

Cedar Valley

Cedar Valley Aquifer Map
Cedar Valley Map

Davis County

Davis County Aquifer Map
Davis County Map

Moab-Spanish Valley

Moab-Spanish Valley Aquifer Map
Moab-Spanish Valley Map

Morgan Valley, Plate 1

Morgan Valley Plate 01 Aquifer Map
Morgan Valley, Plate 1, Total Dissolved Solids Concentration Map Map

Morgan Valley, Plate 2

Morgan Valley Plate 02 Aquifer Map
Morgan Valley, Plate 2, Ground Water Quality Classification Map Map

Morgan Valley, Plate 3

Morgan Valley Plate 03 Aquifer Map
Morgan Valley, Plate 3, Potential Contamination Source Map Map

Ogden Valley

Ogden Valley Aquifer Map
Ogden Valley Map

Salt Lake Valley, Plate 1

Salt Lake Valley Plate 01 Aquifer Map
Salt Lake Valley, Plate 1, Total Dissolved Solids Map

Salt Lake Valley, Plate 2

Salt Lake Valley Plate 02 Aquifer Map
Salt Lake Valley, Plate 2, Ground Water Classification Map

Salt Lake Valley, Plate 3

Salt Lake Valley Plate 03 Aquifer Map
Salt Lake Valley, Plate 3, Potential Contaminate Sources Map

Sanpete Valley, Plate 2

Sanpete Valley Plate 02 Aquifer Map
Sanpete Valley Plate 2 Map

Tooele Valley

Tooele Valley Aquifer Map
Tooele Valley Map

Wasatch County

Wasatch County Aquifer Map
Wasatch County Map

Washington County

Washington County Aquifer Map
Washington County Map

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