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Colorado Real-time Water Quality Surrogates

USGS station:

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Time period:

At this site, real-time estimates of water quality depend on the availability of instantaneous discharge and specific conductivity measurements. During winter months, real-time water quality estimates may not be available for this site due to effects of ice.

The data used to produce these statistics are provisional and have not been reviewed or edited. They may be subject to change.

Summary Statistics for Computed Instantaneous Selenium

StatisticStatistic Value
Number of measurements6308
Mean4.73 ug/l
Geometric Mean4.59 ug/l
Standard Deviation1.16 ug/l
Minimum 2.43 ug/l
1 percentile 2.94 ug/l
5 percentile 3.12 ug/l
10 percentile 3.24 ug/l
25 percentile 3.75 ug/l
Median 4.56 ug/l
75 percentile 5.61 ug/l
90 percentile 6.52 ug/l
95 percentile 6.66 ug/l
99 percentile 6.97 ug/l
Maximum 7.40 ug/l

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Page Contact Information: National Real-Time Water Quality Information
Page Last Modified: Wed 06 October 2010