Draft Final Report Acwa-08-05 - Continuation Of Lower Nushagak River Fecal Coliform And Water Quality Assessment - Alaska Department Of Environmental Conservation - 2008 Page 2
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23DRAFT Final Report ACWA-08-05
8 October 2008
Contents
Acknowledgements
3
Introduction
4
Background
4
Previous water quality assessments
4
Study Area
5
Methods
6
Sampling design
6
Sampling methods
7
Measurement and analysis techniques 7
Data management
8
Data quality assurance 8
Results
8
Water quality data
8
Water temperature
8
Dissolved oxygen
9
pH
9
Specific conductance
9
Turbidity
10
Fecal coliform bacteria 10
Discussion
11
Recommendations for future monitoring
13
Citations
14
Appendix A—Water Quality Data
15
Appendix B—Wildlife and other observations
22
Figures
Figure 1. The three main study sites on the Lower Nushagak River.
5
Figure 2. Sampling locations at study site LNR3 near New Stuyahok.
5
Figure 3. River Stage (observational) data for the Nushagak River at Ekwok.
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Figure 4. Fecal coliform bacteria concentrations at the three sites on the Nushagak River.
12
Tables
Table 1: GPS Coordinates of Lower Nushagak River Sampling Locations 6
Table 2. Fecal coliform bacteria concentrations in fc/100ml by site as compared to upriver and cross
channel control sites.
13
Table A1. Lower Nushagak River turbidity data. 14
Table A1. Fecal coliform data for the lower Nushagak River.
16
Table A2. Lower Nushagak River water temperature data.
18
Table A3. Lower Nushagak River pH data.
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Table A4. Lower Nushagak River specific conductance data.
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Table A5. Lower Nushagak River dissolved oxygen data.
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Table B1. Wildlife and other observations.
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Page 2
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