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Last modified
1/26/2010 2:49:28 PM
Creation date
10/12/2006 3:14:26 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8170
Description
Arkansas Basin Water Quality Issues
State
CO
Basin
Arkansas
Water Division
2
Date
1/1/1993
Author
USGS
Title
Reconnaissance of Water Quality of Lake Henry and Lake Meredith Reservior - Crowley County - Southeastern Colorado - April-October 1987
Water Supply Pro - Doc Type
Report/Study
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<br />5. Average concentrations of dissolved-inorganic nitrogen and dissolved orthophosphate <br />as phosphorus and corresponding ratios for sile HEW2 at Lake Henry ........................................................... 16 <br /> <br />6. Concentrations of chlorophyll a for site HEW2 at Lake Henry............................................................................ 17 <br /> <br />7. Comparison of fixed-boundary-system values to trophic-variable values for <br /> <br />Lake Henry and Lake Meredith ........................................................................................................................ 19 <br />8. Summary of dissolved-oxygen measuremenlS for all sites at Lake Meredith....................................................... 23 <br />9. Onsite measurements at the Lake Meredith inlet (M! I) and Bob Creek (MI2) .................................................... 23 <br />10. Light-transparency measurements for all sites at Lake Meredith ......................................................................... 25 <br />II. Average concentrations of dissolved-inorganic nitrogen and dissolved orthophosphate as <br />phosphorus and corresponding ratios for site M2B at Lake Meredith............................................................. 26 <br />12. Concentrations of total-recoverable iron and total-recoverable boron that exceeded the water-quality <br />standards established for Lake Meredith by the Colorado Department of Health (1987)................................ 26 <br />13. Concentrations of chlorophyll a for siles M2B, M 1 B, and M4B at Lake Meredith ............................................. 27 <br />14. Trophic-state indices for sites M2B, MlB, and M4B at Lake Meredith............................................................... 29 <br />15. Onsite measurements for all sites at Lake Henry .................................................................................................. 34 <br />16. Analyses of chemical constituents for site HEW2 at Lake Henry ........................................................................ 37 <br />17. Phytoplankton densilies for sile HEW2 at Lake Henry......................................................................................... 39 <br />18. Onsite measurements for all sites at Lake Meredith ............................................................................................. 42 <br />19. Analyses of chemical constituents for sile M2B at Lake Meredith....................................................................... 46 <br />20. Analyses of chemical constituents for site M I B at Lake Meredith....................................................................... 48 <br />21. Analyses of chemical constituents for site M4B at Lake Meredith....................................................................... 48 <br />22. Phyloplankton densities for site M2B at Lake Meredith....................................................................................... 49 <br /> <br />CONVERSION FACTORS AND ABBREVIATED WATER-QUALITY TERMS <br /> <br />MultiplV By To obtain <br />acre.foot (acre-n) 0.001233 cubic hectometer <br />fool (ft) 0.3048 meler <br />inch (in.) 25.4 millimeler <br />liler (Ll 0.2642 gallon <br />micrometer (Jlm) 0.00003937 inch <br />mile (mi) 1.609 kilometer <br /> <br />Degree Celsius (OC) may be converted to degree Fahrenheit (OF) by using the following equation: <br />OF = 9/5(OC)+32. <br /> <br />The following terms and abbreviations also are used in this report: <br />cells per milliliter (cells/mL) <br />microgram per liter (lIg1L) <br />microsiemens per centimeter at 25 degrees Celsius (liS/em) <br />milligram per liter (mgfL) <br /> <br />Sea Le'l-'el: In this report "sea lever' refers 10 the National Geodetic Vertical Datum of 1929-.a geodetic datum derived from a general <br />adjustmenl of the nrst-order level nets of the United Slales and Canada, formerly called Sea Level Datum of 1929. <br /> <br />IV <br />
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