Appendix I Water Quality and Sediment Quality Reports

552 Pages·2013·27.21 MB·English

U.S. Army Corps of Engineers
Walla Walla District

Lower Snake River Programmatic Sediment Management
Plan, Final Environmental Impact Statement
Appendix I - Water Quality and Sediment Quality Reports

August 2014

Appendix I – Water Quality and Sediment Quality Reports
Lower Snake River Programmatic Sediment Management Plan – Final EIS
Contents

1. LOWER SNAKE AND CLEARWATER RIVERS SEDIMENT EVALUATION
REPORT FOR PROPOSED 2013/2014 CHANNEL MAINTENANCE
DREDGING – U.S. Army Corps of Engineers, Walla Walla District – March 2013 ............ I-1
2. 2013 SEDIMENT SAMPLING
A. Sampling and Analysis Plan for Lower Snake and Clearwater Rivers Proposed 2013/2014
Channel Maintenance Dredging – U.S. Army Corps of Engineers, Walla Walla
District – July 2013 ......................................................................................................... I-63
B. Supplemental 2013 Sediment Collection and Laboratory Analyses of the Lower
Snake and Clearwater Rivers – U.S. Army Corps of Engineers, Walla Walla
District – October 2013 ................................................................................................. I-125
C. Data Report, 2013 Lower Snake/Clearwater River Sediment Sampling and
Analyses – prepared for U.S. Army Corps of Engineers, Walla Walla District,
by Science and Engineering for the Environment – January 2014 ............................... I-151
D. Memorandum for Record, Subject: Determination on the Suitability of
Proposed Dredged Material from Lower Snake River Maintenance Dredging for Open
Water Disposal in the Snake River or at an Approved Beneficial Use or Upland
Site – U.S. Army Corps of Engineers, Seattle District, CENWS-OD-TS-NR-DM –
February 18, 2013 ......................................................................................................... I-219
3. U.S. ARMY CORPS OF ENGINEERS, ENGINEER RESEARCH AND DEVELOPMENT
CENTER REPORTS
A. Technical Summary of 4-Methyl Phenol Occurrence and Fate in Aquatic and
Terrestrial Environments and Review of NOAA Comments on the Snake River
Sediment Evaluation – May 2014 ................................................................................. I-251
B. Prediction of Turbidity Plumes from Dredging Operations on the Snake
River – July 2014 .......................................................................................................... I-269
C. STFATE, DREDGE, and RECOVERY Modeling of Snake River
Sediment – May 2014 ................................................................................................... I-273
4. NMFS MEMORANDUM – Comments on Snake River Sediment Evaluation, from Lyndal
Johnson, NOAA, NWFSC, March 26, 2014 ....................................................................... I-291
5. PORT OF CLARKSTON CRANE DOCK
A Sampling and Analysis Plan, Sediment Quality Study, Port of Clarkston Crane
Dock, Clarkston, Washington – Prepared for the Port of Clarkston by Gravity
Consulting – November 2012 ....................................................................................... I-309
B. Sediment Analysis Data Report – Prepared for the Port of Clarkston by Gravity
Consulting – January 2013............................................................................................ I-381
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Appendix I – Water Quality and Sediment Quality Reports
Lower Snake River Programmatic Sediment Management Plan – Final EIS
C. Memorandum for Record, Subject: Determination Regarding the Suitability of
Proposed Dredging Material – U.S. Army Corps of Engineers, Seattle District,
CENWS-OD-ME-DMMO – February 22, 2013 .......................................................... I-413
6. LOWER SNAKE RIVER PROGRAMMATIC SEDIMENT MANAGEMENT PLAN,
ENVIRONMENTAL IMPACT STATEMENT , WATER QUALITY REVIEW OF THE
LOWER SNAKE AND CLEARWATER RIVERS – U.S. Army Corps of Engineers,
Walla Walla District – April 2011 ..................................................................................... I-425

August 2014 I-ii
Lower Snake River Programmatic Sediment Management
Plan Environmental Impact Statement

Appendix I

Water Quality and Sediment Quality Reports

August 2014

Section 1. Lower Snake and Clearwater Rivers Sediment
Evaluation Report for Proposed 2013/2014
Channel Maintenance Dredging

U.S. Army Corps of Engineers, Walla Walla District

March 2013

Appendix I – Water Quality and Sediment Quality Reports, Lower Snake River Programmatic Sediment Management Plan – Final EIS
U.S. Army Corps of Engineers
Walla Walla District

Lower Snake and Clearwater Rivers
Sediment Evaluation Report for
Proposed 2013/2014 Channel Maintenance Dredging

Prepared by:

U.S. Army Corps of Engineers
Walla Walla District

March 2013

August 2014 I-1
Appendix I – Water Quality and Sediment Quality Reports, Lower Snake River Programmatic Sediment Management Plan – Final EIS

Table of Contents

Section .............................................................................................................................. Page

1.0 INTRODUCTION ................................................................................................................. 1
1.1 Report Objectives .............................................................................................................. 1
1.2 Project Description ............................................................................................................ 1
1.2.1 Maintenance Dredging Sites ................................................................................. 3
1.2.2 In-Water Disposal Site ........................................................................................ 11
1.3 Site History ..................................................................................................................... 16
1.3.1 Snake/Clearwater Rivers Confluence ................................................................. 16
1.3.1.1 Historical Dredging ............................................................................ 17
1.3.1.2 Potential Sources of Chemicals of Concern ......................................... 18
Industrial Pollutants ............................................................................. 18
Storm Water Runoff ............................................................................. 18
Sewage Treatment Plan Effluent .......................................................... 19
Mining .................................................................................................. 22
Non-point Sources ................................................................................ 22
1.3.1.3 Categories of Chemical Constituents ...................................................... 23
Organic Compounds ............................................................................. 23
Metals ................................................................................................... 23
1.3.2 Ice Harbor Navigation Lock Approach ............................................................... 23
1.3.2.1 Historical Dredging ................................................................................. 24
1.3.2.2 Potential Sources of Chemicals of Concern ............................................ 24
1.4 Existing Sediment Data ................................................................................................. 24
1.4.1 Background ........................................................................................................ 24
1.4.2 Particle Size ........................................................................................................ 25
1.4.3 Organics .............................................................................................................. 27
1.4.3.1Dioxins and Furans .................................................................................. 27
1.4.3.2 Glyphosate and Aminomethylphosphoric Acid ....................................... 28
1.4.3.3 Organochlorine Pesticides ....................................................................... 28
1.4.3.4 Total Petroleum Hydrocarbons, Oil, and Grease ..................................... 29
1.4.3.5 Polynuclear Aromatic Hydrocarbons (PAH) ........................................... 30
1.4.4 Metals ..................................................................................................................... 32
1.4.5 Elutriate Fraction ................................................................................................. 33
1.4.5.1 Organophosphorus Pesticides .................................................................. 33
1.4.5.2 Organopchlorine Pesticides ..................................................................... 33
1.4.5.3 Glyphosate ............................................................................................... 33
1.4.5.4 Metals....................................................................................................... 33

2.0 PROJECT TEAM AND RESPONSIBILITIES .................................................................... 35
3.0 CONFIGURATION OF DMMUs AND SAMPLE INFORMATION .................................. 35
3.1 Sample Location Naming Convention ........................................................................... 35
3.2 Description of the DMMUs Proposed for 2013/2014 Dredging .................................... 35
3.2.1 Ice Harbor Navigation Lock Approach DMMU ................................................. 36
3.2.2 FNC Clarkston West DMMU ............................................................................. 37
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Appendix I – Water Quality and Sediment Quality Reports, Lower Snake River Programmatic Sediment Management Plan – Final EIS
3.2.3 Port of Clarkston Grain Elevator DMMU .......................................................... 38
3.2.4 FNC Clarkston East DMMU .............................................................................. 39
3.2.5 Port of Clarkston DMMU ................................................................................... 40
3.2.6 FNC Lewiston DMMU ....................................................................................... 41
3.2.7 Port of Lewiston DMMU .................................................................................... 42
3.3 Areas Sampled in 2011 but Not Included in Proposed 2013/2014 Dredging ................ 43

4.0 FIELD PROCEDURES .......................................................................................................... 44
4.1 Sampling Locations ........................................................................................................ 44
4.2 Navigation and Positioning ............................................................................................ 44
4.3 Sample Collection Techniques ....................................................................................... 44
4.4 Field Log ........................................................................................................................ 46
4.5 Sample Containers .......................................................................................................... 46
4.6 Chain of Custody ............................................................................................................ 47

5.0 LABORATORY ANALYSES ............................................................................................... 48

6.0 QUALITY CONTROL AND QUALITY ASSURANCE ..................................................... 48
6.1 Field Quality Control and Quality Assurance ................................................................ 48
6.2 Laboratory Quality Control ............................................................................................ 49
6.3 Third Party QA Audit ..................................................................................................... 49

7.0 RESULTS ............................................................................................................................... 49
7.1 Ice Harbor Navigation Lock Approach DMMU ............................................................ 49
7.2 FNC Clarkston West DMMU ........................................................................................ 49
7.3 FNC Clarkston East DMMU .......................................................................................... 49
7.4 Port of Clarkston DMMU .............................................................................................. 50
7.5 Port of Clarkston Grain Elevator DMMU ...................................................................... 50
7.6 FNC Lewiston DMMU .................................................................................................. 51
7.7 Port of Lewiston DMMU ............................................................................................... 51
7.8 Areas Sampled But Not Proposed in 2013/2014 Channel Maintenance ........................ 51

8.0 SITE RANKING .................................................................................................................... 51
8.1 Ice Harbor Navigation Lock Approach DMMU ............................................................ 52
8.2 FNC Clarkston West DMMU ........................................................................................ 52
8.3 FNC Clarkston East DMMU .......................................................................................... 52
8.4 Port of Clarkston DMMU .............................................................................................. 52
8.5 Port of Clarkston Grain Elevator DMMU ...................................................................... 52
8.6 FNC Lewiston DMMU .................................................................................................. 53
8.7 Port of Lewiston DMMU ............................................................................................... 53

9.0 REFERENCES ....................................................................................................................... 53

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Appendix I – Water Quality and Sediment Quality Reports, Lower Snake River Programmatic Sediment Management Plan – Final EIS
List of Figures

1. Project area map ................................................................................................................. 1
2. Dredging limits of the Federal Channel at the confluence of the Snake and
Clearwater Rivers ............................................................................................................... 4
3. Shoaling locations at the Snake/Clearwater Rivers confluence ......................................... 5
4. Dredging sites at the Port of Clarkston .............................................................................. 7
5. Dredging location at Port of Lewiston ............................................................................... 8
6. Dredging limits at Ice Harbor Dam navigation lock approach ........................................ 10
7. Shoaling at Ice Harbor navigation lock approach ............................................................ 11
8. Contour map of RM 116 disposal site ............................................................................. 12
9. Location of proposed disposal site at RM 116 ................................................................. 13
10. Site plan for disposal at RM 116 ...................................................................................... 14
11. Cross-section of disposal at RM 116 ............................................................................... 15
12. Relative Sediment Load Contributions to the Lower Granite Pool by Tributaries .......... 17
13. Location of City of Lewiston Wastewater Treatment Facility ......................................... 20
14. Location of the City of Clarkston Wastewater Treatment Facility .................................. 21
15. Location of the City of Asotin Wastewater Treatment Facility ....................................... 22
16. Ice Harbor Navigation Lock approach with 2011 sample locations ................................ 37
17. FNC Clarkston West DMMU with 2011 sample locations ............................................. 38
18. Port of Clarkston Grain Elevator DMMU with 2011 sample locations ........................... 39
19. FNC Clarkston East DMMU with 2011 Sample Locations ............................................. 40
20. Port of Clarkston DMMU with 2011 Sample Locations ................................................. 41
21. FNC Lewiston DMMU with 2011 Sample Locations ..................................................... 42
22. Port of Lewiston DMMU with 2011 Sample Locations .................................................. 43
23. Depths of cores retrieved from the DMMUs relative to the proposed 16-ft
dredging depth .................................................................................................................. 45

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