Appendix A Total Dissolved Gas. Fixed Monitoring Stations
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1 Appendix A 2017 Total Dissolved Gas Fixed Monitoring Stations Updated October 2017
2 This page is purposely left blank for duplex printing.
3 Introduction The Corps fixed monitoring station (FMS) system is composed of 28 gauges that collect hourly readings of total dissolved gas (TDG), barometric pressure, percent TDG saturation, and water temperature. This monitoring system is associated with 19 projects on the Columbia, Lower Snake, Clearwater, Kootenai, and Pend Oreille rivers as shown in Figure 1. Table 1 lists each FMS identifying the station name, station code, dates of operation, river name, project, FMS location, and maintenance and calibration responsibilities. More details, including photos, for each station can be found on pages A-5 through A-32. Table 1 Total Dissolved Gas (TDG) Monitoring Station Summary Data Sheet Station Name Albeni Falls Station Code Years of Operation Dates of Operation 2 ALFI 2004-Present April 1-Aug 31 Name Pend Oreille Mile Latitude 1 Longitude 1 Project 87.0 Right 48 10' 40.2" ' 52.3" Albani Falls Location Description Maintanence Responsibility Columbia Basin Environmental Maintenance Sequence Bi-weekly Calibration Responsibility Columbia Basin Environmental Owner USACE, Seattle Albeni Falls ALQI 2005-Present April 1-Aug 31 Pend Oreille 86.8 Left 48 10' 40.1" ' 08.7" Albeny Falls Columbia Basin Environmental Bi-weekly Columbia Basin Environmental USACE, Seattle Anatone ANQW 1999-Present April 1-Aug 31 Snake Left 46 05' 50.8" ' " None Open Tri-weekly USACE, Walla Walla Bonneville BON 1986-Present April 1-Aug 31 Columbia Right 45 38' 44.4" ' 24.3" Bonneville USGS, Portland Tri-weekly USGS, Portland USACE, Portland Camas- Washougal CWMW 1993-Present April 1-Aug 31 Columbia Right 45 34' 38.4" ' 43.3" Next downsream dam USGS, Portland Tri-weekly USGS, Portland USACE, Portland Cascades Island CCIW 2004-Present April 1-Aug 31 Columbia Right 45 38' 44.4" ' 44.3" Bonneville USGS, Portland Tri-weekly USGS, Portland USACE, Portland Chief Joseph CHJ 1985-Present April 1-Aug 31 Columbia Left 47 59' 38.7" ' 42.6" Chief Joseph Columbia Basin Environmental Bi-weekly Columbia Basin Environmental USACE, Seattle Chief Joseph CHQW 1997-Present April 1-Aug 31 Columbia 544 Right 48 00' 17.2" ' 30.3" Chief Joseph Columbia Basin Environmental Bi-weekly Columbia Basin Environmental USACE, Seattle Dworshak DWQI 1993-Present Year Round North Fork, Clearwater 0.5 Left 46 30' " ' " Dworshak Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla Ice Harbor IHRA 2005-Present April 1-Aug 31 Snake 10.2 Right 46 15' " ' " Ice Harbor Tri-weekly USACE, Walla Walla Ice Harbor IDSW 1994-Present Year Round Snake 6.1 Right 46 14' " ' " Ice Harbor Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla John Day JDY 2004-Present April 1 - Aug 31 Columbia Right 45 43' 13.4" ' 41.2 John Day USGS, Portland Tri-weekly USGS, Portland USACE, Portland John Day JHAW 1995-Present Year Round Columbia Right 45 42' 48.4" ' 39.2" John Day USGS, Portland Tri-weekly Spring and Summer & Monthly Fall and Winter USGS, Portland USACE, Portland Lewiston LEWI 1996-Present April 1-Aug 31 Clearwater 5.0 Right 46 25' " ' " None Open 1. Lat/Long coordinates using NAD-83 datum. 2. The seasonal gauges may be installed several weeks before April 1 and remain in operation several weeks after August 31. A-1 Tri-weekly USACE, Walla Walla
4 Station Name Station Code Years of Operation Table 1 (continued) Total Dissolved Gas (TDG) Monitoring Station Summary Data Sheet Dates of Operation 2 Libby LBQM 2004-Present April 1 - Aug 31 Name Kootenai Mile Latitude 1 Longitude 1 Project Left Location Desciption 48 24' 2.4" ' 7.0" Libby Maintanence Responsibility Columbia Basin Environmental Maintenance Sequence Bi-weekly Calibration Responsibility Columbia Basin Environmental Owner USACE, Seattle Little Goose LGSA 2005-Present April 1 - Aug 31 Snake 70.4 Left 46 34' " ' " Little Goose Tri-weekly USACE, Walla Walla Little Goose LGSW 1995-Present Year Round Snake 69.6 Right 46 35' " ' " Little Goose Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla Lower Granite LWG 1985-Present April 1 - Aug 31 Snake Mid ' " ' " Lower Granite Tri-weekly USACE, Walla Walla Lower Granite LGNW 1995-Present Year Round Snake Right 46 39' " ' " Lower Granite Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla Lower Monumental LMNA 2005-Present April 1 - Aug 31 Snake 41.7 Mid ' " ' " Lower Monumental Tri-weekly USACE, Walla Walla Lower Monumental LMNW 1995-Present Year Round Snake 40.4 Left 46 33' " ' " Lower Monumental Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla McNary MCNA 2005-Present April 1 - Aug 31 Columbia Right 45 56' 28.92" ' 35.44" McNary Tri-weekly USACE, Walla Walla McNary MCPW 1995-Present Year Round Columbia Right 45 56' " ' " McNary Tri-weekly Spring and Summer & Monthly Fall and Winter USACE, Walla Walla Pasco PAQW 1999-Present April 1 - Aug 31 Columbia Left 46 13' " ' " McNary Open Tri-weekly USACE, Walla Walla Peck PEKI 1996-Present April 1 - Aug 31 Clearwater 37.4 Left 46 30' " ' " Dworshak Open Tri-weekly USACE, Walla Walla The Dalles TDA 1985-Present April 1 - Aug 31 Columbia Left 45 37' 11.4" ' 16.3" The Dalles USGS, Portland Tri-weekly USGS, Portland USACE, Portland The Dalles TDDO 1996-Present Year Round Warrendale WRNO 1985-Present Year Round Columbia Columbia Left Left 45 36' 26.4" ' 24.3" The Dalles USGS, Portland 45 36' 29.4" ' 18.3" Tri-weekly Spring and Summer & Monthly Fall and Winter 1. Lat/Long coordinates using NAD-83 datum. 2. The seasonal gauges may be installed several weeks before April 1 and remain in operation several weeks after August 31. Bonneville USGS, Portland Tri-weekly Spring and Summer & Monthly Fall and Winter USGS, Portland USGS, Portland USACE, Portland USACE, Portland A-2
5 Figure Total Dissolved Gas Fixed Monitoring Stations System A-3
6 1. Albeni Falls TDG Monitoring Station (ALFI) Latitude: 48 10' 40.2" N Longitude: ' 52.3" W Distance from : -- : Pend Oreille Mile: 87.0 USGS-ID: -- Owner: U.S. Army Corps of Engineers-NWS Data Transmission: Radio Transmission Dates of Operation: April 1 August 31* Years of Operation: 2004 Present Water Conditions: Mixed Location: Attached to the railroad bridge pier on the southern shoreline of the Pend Oreille Reasons for replacement: N/A Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-4
7 2. Albeni Falls TDG Monitoring Station (ALQI) Latitude: 48 10' 40.1" N Longitude: ' 8.7" W Distance from : 700 ft : Pend Oreille Mile: 86.8 USGS-ID: -- Owner: U.S. Army Corps of Engineers-NWS Data Transmission: Radio Transmission Dates of Operation: April 1 August 31 * Years of Operation: Present Water Conditions: Monitor Location: On the southern shoreline of the Pend Oreille. This gauge replaced: ALFW Reasons for replacement: This gauge was initiated at this site on July 28, 2005 due to sediment burying the previous site several times. This newer location is immediately below the spillway aerated zone in deeper water which should minimize sedimentation problems. Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-5
8 3. Anatone TDG Monitoring Station on the Snake (ANQW) Latitude: 46 o N Longitude: 116 o W Distance from : N/A : Snake Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1 Aug 31* Years of Operation: Present Water Conditions: Open Location: This gauge is located on the Washington shoreline of the Snake approximately 1.3 miles downstream of the Grande Ronde confluence. It is co-located with the USGS Anatone Stream gauge (ANAW). Reasons for replacement: N/A Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-6
9 4. Bonneville TDG Monitoring Station (BON) Latitude: 45 o N Longitude: 121 o W Distance from : On face of dam : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: April 1 August 31* Years of Operation: 1986 Present Water Conditions: Mixed Location: On the northern side of the spillway channel on Cascade Island just upstream of Spillbay #1. Reason for replacement: N/A Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. Bonneville Spillway A-7
10 5. Camas-Washougal TDG Monitoring Station (CWMW) Gage Elevation: Variable Latitude: 45 34' " N Longitude: ' " W Distance from : 24 miles downstream from Bonneville : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: April 1 August 31* Years of Operation: 1993 Present Water Conditions: Mixed Location: Attached to the boat dock at the outer edge of the harbor at the Port of Camas/Washougal, WA Reason for replacement: N/A Comments: This gauge is not used for the spill management and is maintained to track environmental conditions in the lower Columbia. *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-8
11 6. Cascades Island TDG Monitoring Station (CCIW) Latitude: 45 38' " N Longitude: ' " W Distance from : 0.27 miles (1400 ft) : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: April 1 August 31* Years of Operation: 2004 Present Water Conditions: Spillway Location: Within the Bonneville spillway channel on Cascade Island. This gage replaced: September 2011; Probe pipes replaced: March Reason for replacement: Old gage destroyed due to high velocity flows. Comments: Became the spill management gauge as of Location of station moved to higher elevation. * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August ft A-9
12 7. Chief Joseph TDG Monitoring Station (CHJ) Latitude: 47 o N Longitude: 119 o W Distance from : At : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWS Dates of Operation: April 1 Aug. 31* Years of Operation: Present Water Conditions: Mixed Location: Along the southern edge of Lake Rufus Woods (inside the boat house). Reason for replacement: N/A Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-10
13 8. Chief Joseph TDG Monitoring Station (CHQW) Latitude: 48 00' 17.2" N Longitude: ' 30.3" W Distance from : 1 mile : Columbia Mile: USGS-ID: -- Owner: U.S. Army Corps of Engineers-NWS Dates of Operation: April 1 Aug 31* Years of Operation: 1985 Present Water Conditions: Spillway Location: North bank of the river, just downstream of the Highway 17 Bridge. Reason for gage replacement: N/A Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-11
14 9. Dworshak TDG Monitoring Station (DWQI) Latitude: 46 o N Longitude: 116 o W Distance from : 1.5 miles : North Fork, Clearwater Mile: 0.5 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Year round Years of Operation: Present Water Conditions: Mixed Location: On the southern bank of the North Fork, Clearwater between the bridge and the U.S. Fish and Wildlife Service Fish Hatchery outflow pipe. Reason for replacement: N/A Comments: -- A-12
15 10. Ice Harbor TDG Monitoring Station (IHRA) Latitude: 46 o N Longitude: 118 o W Distance from : 695 ft : Snake Mile: 10.2 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Was year round prior to 2006, now seasonal (April 1 Aug. 31*). Years of Operation: 2005 Present. Water Conditions: Mixed Location: At the upstream end of the navigation lock guidewall. This gage replaced: IHR Reason for replacement: Moved due to thermal influences and lowered from 15 ft to 45 ft. Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-13
16 11. Ice Harbor TDG Monitoring Station (IDSW) Latitude: 46 o N Longitude: 118 o W Distance from : 3.6 miles : Snake Mile: 6.1 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Was seasonal prior to 2006, now year round. Years of Operation: 1994 Present. Water Conditions: Mixed & spillway Location: On the northern shore of the Snake Reason for replacement: N/A Comments: -- A-14
17 12. John Day TDG Monitoring Station (JDY) Gage Elevation: Variable Latitude: 45 43' " N Longitude: ' " W Distance from : On extended guidewall from dam : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: April 1 August 31* Years of Operation: 2004 Present Water Conditions: Mixed Location: At upstream end of the navigation lock guidewall. This gage replaced: JDA Reason for replacement: Moved due to thermal influences and lowered from 15 ft to 45 ft. Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-15
18 13. John Day TDG Monitoring Station (JHAW) Latitude: 45 42' " N Longitude: ' " W Distance from : 0.8 miles : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: Was seasonal prior to 2006, now year round. Years of Operation: 1995 Present Water Conditions: Spillway Location: Other Washington shore. This gage replaced: September 2011 Reason for replacement: Rising flows Comments: Location of station moved about 12 feet higher elevation from shore, further up the hill. A-16
19 14. Lewiston TDG Monitoring Station (LEWI) Latitude: 46 o N Longitude: 116 o W Distance from : N/A : Columbia Mile: 5.0 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1 Aug. 31* Years of Operation: 1996 Present Water Conditions: Open Location: On the northern shore of the Clearwater just east of the City of Lewiston, Idaho near the junction of Hatwai Road and Central Grade Road. Reason for replacement: N/A Comments: -- A-17
20 15. Libby TDG Monitoring Station (LBQM) Latitude: 48 o N Longitude: 115 o W Distance from : -- : Kootenai Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWS and Radio Transmission Dates of Operation: April 1 Aug 31* Years of Operation: 2004 Present Water Conditions: Open Location: This gauge is located on the eastern shore of the Kootenai approximately 750 feet downstream of the Libby access road bridge. Reason for replacement: N/A Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-18
21 16. Little Goose TDG Monitoring Station (LGSA) Gage Elevation: Variable (15 m depth) Latitude: 46 o N Longitude: 118 o W Distance from : 422 ft : Snake Mile: 70.4 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1 Aug. 31* Years of Operation: 2005 Present. Water Conditions: Mixed Location: At the upstream end of the navigation lock guidewall. This gage replaced: LGS Reason for replacement: Move due to thermal influences and lowered from 15 ft to 45 ft. Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-19
22 17. Little Goose TDG Monitoring Station (LGSW) Latitude: 46 o N Longitude: 118 o W Distance from : 0.7 miles : Snake Mile: 69.6 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Was seasonal prior to 2006, now year round. Years of Operation: 1995 Present. Water Conditions: Switches between mixed & spillway Location: On the northern shore of the Snake Reason for replacement: N/A Comments: -- A-20
23 18. Lower Granite TDG Monitoring Station (LWG) Latitude: 46 o N Longitude: 117 o W Distance from : 640 ft : Snake Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Was year round prior to 2006, now seasonal (April 1 Aug. 31*) Years of Operation: 1985 Present. Water Conditions: Mixed Location: At the upstream end of the navigation lock guidewall. Reason for replacement: In March, 2005, this gauge was moved from a depth of 15 ft to 45 ft to avoid thermal influences. The geographic location of the gauge was not changed. Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August m A-21
24 19. Lower Granite TDG Monitoring Station (LGNW) Latitude: 46 o N Longitude: 117 o W Distance from : 0.8 miles : Snake Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Year around Years of Operation: 1995 Present. Water Conditions: Switches between mixed & spillway Location: On the northeastern shore of the Snake. Reason for replacement: N/A Comments: -- A-22
25 20. Lower Monumental TDG Monitoring Station (LMNA) Latitude: 46 o N Longitude: 118 o W Distance from : 700 ft : Snake Mile: 41.7 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1-Aug. 31* Years of Operation: 2005 Present Water Conditions: Mixed Location: At the upstream end of the navigation lock guidewall. This gage replaced: Replaced LMN in 2005 Reason for replacement: Moved due to thermal influences and lowered from 15 ft to 45 ft. Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-23
26 21. Lower Monumental TDG Monitoring Station (LMNW) Latitude: 46 o N Longitude: 118 o W Distance from : 1 mile : Snake Mile: 40.4 USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Was seasonal prior to 2006, now year around. Years of Operation: 1995 Present Water Conditions: Switches between mixed & spillway. Location: On the southeastern shore of the Snake. Reason for replacement: N/A Comments: -- A-24
27 22. McNary TDG Monitoring Station (MCNA) Gage Elevation: Variable Latitude: 45 o N Longitude: 119 o W Distance from : 1,460 ft : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1 Aug. 31* Years of Operation: 2005 Present Water Conditions: Mixed Location: At the end of the navigation lock guidewall near the Washington shoreline. This gage replaced: MCQW (Washington side) and MCQO (Oregon side) Reason for replacement: Moved due to thermal influences and lowered from 15 ft to 45 ft. Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-25
28 23. McNary TDG Monitoring Station (MCPW) Latitude: 45 o N Longitude: 119 o W Distance from : 1.3 miles : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: Year around Years of Operation: Present Water Conditions: Spillway Location: On a rocky outcrop on the Washington shore and just upstream of the Highway 395 Bridge. Reason for replacement: N/A Comments: -- A-26
29 24. Pasco TDG Monitoring Station (PAQW) Latitude: 46 o N Longitude: 119 o W Distance from : N/A : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWW Dates of Operation: April 1 Aug. 31* Years of Operation: 1999 Present Water Conditions: Open Location: On the northern shore of the Columbia between the S. 10 th Avenue Bridge and the Highway 395 Bridge in Pasco, WA. It is on the levee adjacent to a wetland area near the Pasco Youth Baseball Complex. The site is within Lake Wallula approximately 5 miles upstream of the Snake confluence. Reason for replacement: N/A Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-27
30 25. Peck TDG Monitoring Station (PEKI) Latitude: 46 o Longitude: 116 o Distance from : N/A : Clearwater Mile: 37.4 USGS-ID: Owner: U.S. Army Corps of Engineers - NWW Dates of Operation: April 1 Aug. 31* Years of Operation: 1996 Present Water Conditions: Open Location: On the southern shore of the Clearwater approximately 3.5 miles downstream of the North Fork Clearwater confluence. Reason for replacement: N/A Comments: *The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-28
31 26. The Dalles TDG Monitoring Station (TDA) Latitude: 45 37' " N Longitude: ' " W Distance from : On part of dam : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: April 1 August 31* Years of Operation: 1985 Present Water Conditions: Mixed Location: In forebay of dam near the end of Powerhouse Unit 22. Reason for replacement: N/A Comments: * The seasonal gauges may go in several weeks before April 1 and remain in operation several weeks after August 31. A-29
32 27. The Dalles TDG Monitoring Station (TDDO) (107.6 ft) Latitude: 45 36' " N Longitude: ' " W Distance from : 2.5 miles : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: Was seasonal prior to 2006, now year around Years of Operation: 1996 Present Water Conditions: Mixed Location: Off Bargeway Road from Webber Street, near industrial complex. Reason for replacement: N/A Comments: -- A-30
33 28. Warrendale TDG Monitoring Station (WRNO) Gage Elevation: Variable Latitude: 45 36' " N Longitude: ' " W Distance from : Approximately 6 miles downstream of dam : Columbia Mile: USGS-ID: Owner: U.S. Army Corps of Engineers-NWP Dates of Operation: Year around Years of Operation: 1985 Present Water Conditions: Mixed Location: This gauge is fixed to the boat dock at The Fishery off NE Enquist Pl in Dodson, Oregon (Near Warrendale) approximately 6 miles downstream of Bonneville. Reason for replacement: N/A Comment: Up until the 2004 spill season, this gauge was used as the BON tailwater gauge for spill management and was operated year around. Currently, this gauge is being used as a fall, winter, and spring TDG monitor for Chum spawning. Pierce Island Ives Island Bonneville A-31
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