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Findings > Non-metals

  • Aquatic Life Cold 1 standards were used to compare with analytical results for the five non-metals that apply in evaluating streams for classification as Colorado Outstanding Waters.

  • Also shown in the tables below are a comparison of total nitrogen and phosphorus (nutrients) with interim standards and results from additional sampling for bacteria concentrations.

  • The analytical results are from samples collected seasonally since summer 2020 at nine study area streams, the same shown in metals findings.

  • As evident from examining the tables below, only bacteria concentrations (E. coli and total coliform) on occasions at some streams were higher than the standards.

Winter 2022
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Fall 2021
Non 13Sep21.jpg
Non 19Jul21.jpg
Summer 2021
Non 24May21.jpg
Spring 2021
Non 18Jan21.jpg
Winter 2021
Fall 2020
Non 21Sep20.jpg
Non 14Jul20.jpg
Summer 2020
Nutrients, September 2020
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Bacteria.jpg
Bacteria, Coal and Stoner