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Surface Water Conditions in the Paria Basin

There are no streamflow data or flood ALERT equipment in this basin.  Reservoir and stockpond data, including maximum storage or maximum surface area, are shown in Table 6.4-2. The USGS runoff contours and large reservoirs are shown on Figure 6.4-4.  Descriptions of stream, reservoir and stockpond data sources and methods are found in Volume 1, Appendix A.  Additional information on surface water in this basin can be found in Section 6.4.5 - Perennial/Intermittent Streams and Springs and Section 6.0.5 - Surface Water Hydrology. Where available, the header for each section provides a link to the data web site.  

Reservoirs and Stockponds

  • Refer to Table 6.4-2.
  • The only large reservoir in the basin is Lake Powell with a maximum storage capacity of 20.3 million acre-feet (maf).  Most of the storage is in Utah. 

  • Lake Powell is used for hydroelectric, irrigation, recreation and other uses.

  • There are 57 registered stockponds in this basin.

Runoff Contour

  • Refer to Figure 6.4-4.
  • Average annual runoff is highest, 0.5 inches per year or 26.65 acre-feet per square mile, in the southwestern portion and decreases to 0.1 inches, or 5.33 acre-feet per square mile, in the eastern portion of the basin.


Click to view Table 6.4-2

Click for Table 6.4-2 Reservoirs and Stockponds in

the Paria Basin

Click to view Figure 6.4-4

Click for Figure 6.4-4 Paria Basin Surface Water Conditions



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