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Concentrations and annual fluxes for selected water-quality constituents from the USGS National Stream Quality Accounting Network (NASQAN), 1996-2000

By Valerie J. Kelly, Richard P. Hooper, Brent T. Aulenbach, and Mary Janet

Table 2. Water-Quality Station Descriptions

Station ID Station Name Station Location1
Mississippi River Basin
03216600 Ohio River at Greenup Dam near Greenup, KY At left bank at downstream end of lock guidewall in lower pool at Greenup locks, 1.1 miles upstream from Grays Branch, 4.7 miles downstream from Little Sandy River, 5.0 miles north of Greenup, and at mile 341.5.
03303280 Ohio River at Cannelton Dam, KY At Cannelton Dam, 0.7 miles upstream from Indian Creek, 3.3 miles upstream from Lead Creek, and at mile 720.8.Water-quality samples are collected 2.0 miles upstream from gaging site.
03378500 Wabash River at New Harmony, IN At bridge on U. S. Highway 66 at New Harmony and at mile 51.5. Discharge is obtained from Wabash River at Mount Carmel, IL (0337500). On right bank on downstream side of Southern Railway bridge at Mount Carmel, 0.2 mi downstream from Patoka River, and at mile 94.4.
03609750 Tennesse River at Highway 60 near Paducah, KY At axilliary gaging station at bridge on U.S. Highway 60, 16.3 miles downstream from gaging station, 2.4 miles east of Paducah, and at mile 5.3. Discharge is obtained from gaging site near Paducah (03609500) by the Tennessee Valley Authority. Flow completely regulated.
03612500 Ohio River at Lock & Dam 53 near Grand Chain, IL At axilliary gaging station, 0.5 miles upstream from Gar Creek, 3.0 miles southwest of Grand Chain, 18.1 miles downstream from gaging station at Metropolis, and at mile 962.2. Discharge is obtained from Ohio River at Metropolis, IL (03611500). Flow regulated by many dams and reservoirs.
05330000 Minnesota River near Jordan, MN On pier at center downstream side of bridge, 1.5 miles northwest of Jordan, and at mile 39.4 upstream from Mississippi River.
05331580 Mississippi River blw Lock & Dam 2 at Hastings, MN Discharge taken at Mississippi R at St. Paul (05331000). On left bank, 100 ft upstream from Smith Ave. Bridge (High Bridge), 4.8 miles downstream from Minnesota River, and at mile 840.5 upstream from Ohio River. Discharge reflects the High Bridge location as ofJune 25, 1999. Previously gage heights were from the Robert St. Bridge.
05420500 Mississippi River at Clinton, IA At river end of 3rd Street, at downstream end of ADM repair dock, 10.3 miles upstream from Wapsipinicon River, 4.8 miles upstream from Camanche gage, 5.9 miles downstream from Lock and Dam 13, and at mile 516.6 upstream from Ohio River. Flow regulated by upstream mainstem reservoirs. Water-quality samples are collected at Fulton-Lyons Bridge, 6.4 miles upstream of discharge station.
05587455 Mississippi River below Grafton, IL Discharge station (05587450) on left bank 0.2 miles downstream from the mouth of the Illinois River, 15.3 miles above Lock & Dam 26, 23.0 miles above the mouth of the Missouri River and at mile 218.6 upstream of the mouth of the Ohio River. Water-quality samples collected 4 miles downstream of discharge station at river mile 214.6.
06185500 Missouri River near Culbertson, MT On right bank at upstream side of bridge on State Highway 16, 2.5 miles southeast of Culbertson, 10 miles downstream from Big Muddy Creek, and at river mile 1,620.76.
06329500 Yellowstone River near Sidney, MT On left bank at Montana-Dakota Utilities Company powerplant, 0.2 miles downstream from bridge on State Highway 23, 2.5 miles south of Sidney, 3.0 miles downstream from Fox Creek, and at river mile 29.2.
06338490 Missiouri River at Garrison Dam, ND In control structure of Garrison Dam, 2.5 miles west of Riverdale, 14 mile upstream from Knife River, and at mile 1,389.9.
06440000 Missouri River at Pierre, SD On left bank downstream from Dakota Minnesota and Eastern Railroad bridge, 1.3 miles upstream from Bad River, 5.8 miles downstream from Oahe Dam, and at mile 1066.5. daily discharge provided from Army Corps of Engineers' files of Oahe Dam (06439980) power and spillway flows. Water-quality samples collected 0.25 miles below Oahe Dam, about 5.55 miles upstream from gaging station.
06610000 Missouri River at Omaha, NE On right bank on left side of concrete floodwall, at foot of Douglas Street, 275 feet downstream of Interstate 480 Highway bridge in Omaha and at mile 615.9. Flow regulated by upstream mainstem reservoirs. Army Corps of Engineers raingage and satellite data collection platform at station. Water-quality samples are collected at Interstate 80 bridge 2.0 miles downstream of gaging station.
06805500 Platte River at Louisville, NE On the left bank at the upstream side of bridge on Nebraska Highway 50, 1 mile north of Louisville, and at mile 16.5.
06934500 Missouri River at Hermann, MO On downstream side of third pier from right abutment of bridge on State Highway 19 at Hermann, and at mile 97.9.
07022000 Mississippi River at Thebes, IL Near center span on downstream side of railroad bridge at Thebes, 5.0 miles downstream from Headwater Diversion Channel, and at mile 43.7 above Ohio River.
07263620 Arkansas River at David D. Terry Lock & Dam below Little Rock, AR At upper end of upstream wall at David D. Terry Lock and Dam, 10.7 miles downstream from Main Street bridge at Little Rock, and at mile 124.2. Discharge site is Army Corps of Engineers station Arkansas River at Murray Dam nr Little Rock, Arkansas (07263450) 16.8 miles upstream.
07373420 Mississippi River near St. Francisville, LA At State Highway 10 ferry crossing 2.0 milessouthwest of St. Francisville and at Mile 266.0. Discharge is from Army Corps of Engineers station Mississippi River at Talbert Landing, MS (07295100).
07381495 Atchafalaya River at Melville, LA At bridge on Texas and Pacific Railroad in Melville.Discharge site is Army Corps of Engineers station Atchafalaya River at Simmesport, LA (07381490).
Rio Grande Basin
08364000 Rio Grande at El Paso, TX At gaging station on the downstream side of the Courchesne bridge, 5.6 miles upstream from the Santa Fe Street-Juarez Avenue bridge between El Paso, TX and Cd. Juarez, Chihuahua, at mile 1,249 and 1.7 miles upstream from the American Dam. Discharge is measured by the International Boundary and Water Commission.
08374200 Rio Grande below Rio Conchos near Presidio, TX At gaging station 0.4 miles downstream from Alamito Creek and 9.0 miles downstream from the International bridge between Presidio, TX, and Ojinaga, Chihuahua. Discharge is measured by the International Boundary and Water Commission.
08377200 Rio Grande at Foster Ranch near Langtry, TX At gaging station 0.1 miles downstream from Terrell-Val Verde County line, 12.3 miles west of Langtry and 597.2 miles downstream from the American Dam at El Paso. Discharge is measured by the International Boundary and Water Commission.
08447410 Pecos River near Langtry, TX At gaging station 7.4 miles east of Langtry and 15.0 miles upstream from confluence with the Rio Grande River. Discharge is measured by the International Boundary and Water Commission.
08450900 Rio Grande River below Amistad Reservoir near Del Rio, TX Approximately 2.2 miles downstream from Amistad Dam and 10 miles northwest of Del Rio. Discharge is measured by the International Boundary and Water Commission.
08459200 Rio Grande at Pipeline Crossing below Laredo, TX Approximately 8.7 miles downstream from Texas-Mexican Railway Bridge near Laredo, and at mile 352.69. Discharge is measured by the International Boundary and Water Commission.
08461300 Rio Grande below Falcon Dam, TX At gaging station 2.6 miles downstream from Dam. Discharge is measured by the International Boundary and Water Commission.
08470400 Arroyo Colorado at Harlingen, TX On downstream side of northbound service road on U. S. Highways 83 & 77, about 18 miles from point of main floodway that divides into North Floodway and Arroyo Colorado. Discharge is measured by the International Boundary and Water Commission.
08475000 Rio Grande near Brownsville, TX Approximately 900 hundred feet above International Boundary and Water Commission gaging station, 100 feet downstream from El Jardin pumping plant on earthen control, 6.8 miles below International Bridge between Brownsville and Matamoras, Tamps., Mexico and 48.8 miles above the Gulf of Mexico.
Colorado River Basin
09180500 Colorado River near Cisco, UT On left bank 1 mile downstream from Delores River, 11 miles south of Cisco, 36 miles downstream from Colorado-Utah state line, 97 miles upstream from Green River and 235 miles upstream from San Juan River, at mile 1022.3 from Arizona-Sonora.
09315000 Green River at Green River, UT On right bank, 1,400 feet upstream from railroad bridge, 0.9 miles southeast of town of Green River, 22.7 miles upstream from San Rafael River, at Mile 117.6 upstream from mouth. Flow regulated by Flaming Gorge Reservoir (09234400).
09379500 San Juan River near Bluff, UT On left bank, 1,600 feet downstream from Gypsum Creek, 1,800 feet upstream from highway bridge, 20 miles southwest of Bluff, at mile 113.5. No diversions between station and mouth of river. Flow regulated by Navajo Reservoir, NM (09355100).
09380000 Colorado River at Lees Ferry, AZ In Navajo Indian Reservation, on left bank at head of Marble Gorge at Lees Ferry, just upstream from Paria River, 16 miles downstream from Glen Canyon Dam, 28 miles downstream from Utah-Arizona State line, and 61.5 miles upstream from Little Colorado River. No diversions or inflow between Lake Powell and the gage.
09404200 Colorado River above Diamond Creek near Peach Springs, AZ In Lake Mead National Recreation Area, on the right bank, 0.6 miles upstream from Diamond Creek, 138 miles downstream from Phantom Ranch, 25 miles north of Peach Springs, 242 miles downstream from Glen Canyon Dam, and 130 miles upstream from Hoover Dam.
09421500 Colorado River below Hoover Dam, AZ-NV In powerhouse at downstream side of Hoover Dam. Water- quality samples are collected at gaging station 0.8 miles downstream from Hoover Dam.
09429490 Colorado River above Imperial Dam, CA-AZ Five miles upstream Laguna Dam, 15 miles northeast of Yuma, 90 miles downstream from Palo Verde Dam and 147 miles downstream from Parker Dam. Water-quality samples are collected below the trash racks at All-American Canal headworks at west end of Imperial Dam
09522000 Colorado River at NIB above Morelos Dam near Andrade, CA On left bank at northerly international boundary (NIB), 0.5 miles east of Andrade. 1.1 miles upstream from Morelos Dam, 1.1 miles downstream from Rockwood Gate, and 6.4 miles downstream from gaging station on Colorado River below Yuma Main Canal Wasteway (09521100).
Columbia River Basin
12400520 Columbia River at Northport, WA Approximately 0.4 miles downstream from State Highway 25 bridge at Northport, 10.3 miles downstream from gaging station at boundary, and at mile 735.1. Discharge is routed from gaging station at International Boundary (12399500) by the International Joint Commission.
12472900 Columbia River at Vernita Bridge near Priest Rapids Dam, WA At State Highway 24 Vernita Bridge crossing, 9.0 miles downstream from Priest Rapids Dam and at mile 388.1 Discharge is obtained by the Army Corps of Engineers station Columbia R below Priest Rapids Dam (12472800) 6.4 miles upstream.
13353200 Snake River at Burbank, WA Approximately 1.0 miles downstream from Ice Harbor Dam. Discharge is obtained and routed from Ice Harbor Damby the Army Corps of Engineers.
14128910 Columbia River at Warrendale, OR On left bank 0.1 miles downstream from Tumult Creek, 1.0 mile west of Warrendale, 5.1 miles downstream from Bonneville Dam, and at mile 141.0. Discharge is from Army Corps of Engineers station at Columbia River at The Dalles, OR (14105700) at river mile 188.9.
14211720 Willamette River at Portland, OR In pier at east end of drawspan, on upstream side of Morrison Bridge, in Portland, and at mile 12.8. Water discharge is by flow-routing procedures from other USGS sites. Water-quality samples are collected 200-300 feet downstream of the Morrison Bridge.
14246900 Columbia River at Beaver Army Terminal near Quincy, OR On left bank, 0.7 miles downstream from Crims Island, 3.0 miles northwest of Quincy, and at mile 53.8.

1Data on location of streamflow gage obtained from District databases. Sampling is typically done in close proximity to the gage (unless otherwise indicated), either from a boat, cableway, or bridge.

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