Below is a list by segment of monitoring stations in the Rio Grande basin. Click on the station ID number to download an Excel format file that contains the water quality data for that station from 1995 to present, for conventional parameters and bacteria. For NOTES regarding data, click here.
Segment 2301 - Rio Grande Tidal
Station ID |
Station Description |
Rio Grande Tidal at State Highway 2 near Boca Chica |
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Rio Grande at Sabal Palm Sanctuary |
Segment 2302 - Rio Grande below Falcon Reservoir
Station ID |
Station Description |
Rio Grande below El Jardin at Brownsville |
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Rio Grande International Bridge on US 77 at Brownsville |
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Rio Grande at Brownsville PUB Water Treatment Plant No. 1 Intake between WTP Reservoir and Rio grande Levee |
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Rio Grande near River Bend boat ramp, west of Brownsville |
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Rio Grande 6.3 km downstream from San Benito pumping plant |
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Rio Grande 100 m upstream from the FM 1015 Bridge at Progresso |
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Rio Grande downstream of El Anhelo Drain South of Las Milpas |
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Rio Grande 200 m upstream of Pharr International Bridge |
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Rio Grande at International Bridge |
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Rio Grande 0.5 mi below Anzalduas dam, 12.2 mi from Hidalgo |
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Rio Grande River off Shuerbach Road / Airfield Road 1.2 Kilometers South and 70 Meters East from the intersection of Shuerbach Road and Military Road South of Mission CAMS 792 |
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Rio Grande at the El Morillo Tract of the Lower Rio Grande Valley National Wildlife Refuge |
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Old Rio Grande Meander La Parido Banco Number 144 Boat Ramp |
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Rio Grande at SH 886 near Los Ebanos |
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Rio Grande, approx. 380m downstream of the confluence with Los Olmos Creek |
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Arroyo Los Olmos, 400m upstream of the confluence with the Rio Grande, near Rio Grande City |
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Arroyo Los Olmos Bridge on US 83 south of Rio Grande City |
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Arroyo Los Olmos at SH 755 NW of Rio Grande City |
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Rio Grande at Fort Ringhold, 1 mi downstream of Rio Grande City |
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Rio Grande below Rio Alamo near Fronton |
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Rio Grande 2.5 mi below Falcon Dam at diversion structure |
Segment 2303 - International Falcon Reservoir
Station ID |
Station Description |
Falcon Lake at International Boundary Monument #1 |
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Falcon Lake at International Boundary Monument #14 |
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Falcon Reservoir at San Ygnacio WTP intake |
Segment 2304 - Rio Grande below International Amistad Reservoir
Station ID |
Station Description |
Rio Grande at Webb/Zapata county line |
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Rio Grande at the San Isidro Pump Station |
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Rio Grande at Rio Bravo, 0.5 km downstream of El Cenizo |
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Rio Grande at El Cenizo Park, 220m West of the intersection of Cadena and Jimenez |
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Rio Grande at pipeline crossing, 13.9 km below Laredo |
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Rio Grande at Masterson Rd. in Laredo, 9.9 downstream of International Bridge #1 |
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Rio Grande 1.1 mi. downstream from Highway Bridge between Laredo and Nuevo Laredo |
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Rio Grande at International Bridge #2 in Laredo |
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Rio Grande 50 yds upstream of Zacate Creek confluence with Rio Grande (Azteca) |
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Rio Grande at Laredo WTP pump intake |
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Rio Grande at CP&L power plant intake |
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Rio Grande 115 Meters South and 304 meters West from the Intersection of Rancho Viejo Drive/Zebu Court and Rienda Drive at Father MacNaboe Park in Laredo |
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Manadas Creek at FM 1472 north of Laredo |
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Rio Grande below World Trade Bridge |
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Rio Grande at Colombia Bridge, 2.7 km upstream of the Dolores pump station |
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Rio Grande at Apache Ranch |
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Rio Grande at IBWC Weir Dam, 6 mi south of El Indio |
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Rio Grande at Kickapoo Casino |
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Rio Grande at Kickapoo Casino Boat Ramp south of Eagle Pass |
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Rio Grande at Kickapoo Reservation 1.92 km S and 2.02 Km west of RR 1021 at Maverick County Hwy 523 South of Eagle Pass |
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Rio Grande near irrigation canal lateral in Eagle Pass |
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Rio Grande at US 277 in Eagle Pass |
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Rio Grande at Main Street Boat Ramp approx 400 meters upstream of US 57/International Bridge in Eagle Pass |
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Rio Grande 4.5 mi downstream of Del Rio at Moody Ranch |
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Rio Grande 12.8 mi below Amistad Dam, 340 m upstream of US 277 Bridge in Del Rio |
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Rio Grande below Amistad Dam NW of Del Rio |
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Rio Grande 3.4 km downstream of Amistad above Weir Dam |
Segment 2305 - International Amistad Reservoir
Station ID |
Station description |
Amistad Reservoir at International Boundary Buoy 1 adjacent to dam |
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Amistad Reservoir at Buoy #1 |
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Amistad Reservoir Rio Grande Arm at Buoy #2 |
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Amistad Reservoir Devils River Arm at Buoy DRP |
Segment 2306 - Rio Grande above Amistad Dam
Station ID |
Station Description |
Rio Grande at Foster Ranch west of Langtry off Hwy 90 W |
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Rio Grande at the confluence with Indian Creek in Terrell County |
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Rio Grande 50 meters upstream of Silber Canyon South of Sanderson |
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Rio Grande at Taylors Farm SW of Sanderson |
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Rio Grande at FM 2627 (Gerstacker Bridge) below Big Bend |
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Rio Grande at the mouth of Santa Elena Canyon |
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Rio Grande below Rio Conchos confluence near Presidio |
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Rio Grande at Rio Grande Village in Big Bend National Park |
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Rio Grande at Lajitas Resort/FM 170 Boat Ramp0240 m upstream of Black Hills Creek confluence near Lajitas |
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Rio Grande at Colorado Canyon Approx. 30 km SE of Redford on RR170 in Presidio County |
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Rio Grande at Presidio Railroad Bridge |
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Rio Grande at Presidio Ojinaga vehicle bridge. |
Segment 2307 - Rio Grande below Riverside Diversion Dam
Station ID |
Station Description |
Rio Grande 2.4 mi upstream from Rio Conchos confluence |
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Rio Grande at Candelaria |
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Rio Grande 1.47 kilometers Upstream of the Confluence with the Green River |
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Rio Grande at Little Box Canyon |
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Rio Grande at Neely Canyon, south of Fort Quitman |
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Rio Grande Bridge off US 80 - IH 10 at Fort Hancock Port of Entry |
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Rio Grande at Alamo Control Structure, 9.7 km upstream of Fort Hancock port of entry |
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Rio Grande at Guadalupe point of entry bridge at FM 1106 west of Tornillo |
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Rio Grande at San Elizario, 500 m upstream of Capomo Road end of pavement and 10.2 km downstream of Zaragoza International Bridge |
Segment 2308 - Rio Grande below International Dam
Station ID |
Station Description |
Rio Grande at Riverside canal 1.8 km downstream of Zaragosa International Bridge |
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Rio Grande at Zaragosa International Bridge |
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Rio Grande 1.3 km downstream from Haskell R. Street WWTP outfall |
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Rio Grande 2.4 km upstream from Haskell R. Street WWTP outfall, south of Bowie High School football stadium in El Paso |
Segment 2309 - Devil's River - Tributary of the Rio Grande
Station ID |
Station Description |
Devils River at Pafford crossing near Comstock |
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Devils River on Devils River State Natural Area, 1.7 km upstream of road crossing |
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Dolan Springs 100 yds upstream of confluence with Devils River |
Segment 2310 - Lower Pecos River - Tributary of the Rio Grande
Station ID |
Station Description |
Independence Creek 0.5 mi downstream from John Chandler Ranch headquarters |
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Lower Pecos River CAMS 0729 |
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Pecos River at gaging station 7.4 mi east of Langtry, 15 mi upstream of confluence with Rio Grande |
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Pecos River 7.52 km upstream from the Val Verde/Terrell/Crockett county line |
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Pecos River 0.1 km upstream of the Confluence with Independence Creek, Chandler Ranch |
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Pecos River Approximately 0.5 mi downstream from the Confluence with Independence Creek |
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Pecos River 0.7 mi downstream from US 90 W in Val Verde county |
Segment 2311 - Upper Pecos River - Tributary of the Rio Grande
Station ID |
Station Description |
Upper Pecos River Bridge on US 290 SE of Sheffield CAMS 0735 |
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Pecos River at US 67 NE of Girvin |
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Pecos River 62 m North and 17 m east to the end of Horse Head Road |
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Pecos River at FM 1053 NE of Imperial |
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Pecos River at SH 18 SSW of Grandfalls |
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Pecos River at FM 1776 SW of Monahans |
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Pecos River near Pecos, Texas |
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Pecos River near Mentone, Texas |
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Pecos River at FM 652 bridge NE of Orla |
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Pecos River 1.6 mi upstream of US 290, SE of Sheffield |
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Pecos River approx. 2.98km upstream of the confluence with Independence Creek |
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Kokernot Spring at Intersection of Alpine Creek and Hendryx Drive/Harrison Street/Sh 223 and 40 Meters East of the Kokernot Lodge on Sul Ross University Campus in Alpine |
Segment 2312 - Red Bluff Reservoir
Station ID |
Station Description |
Red Bluff Reservoir above dam, north of Orla |
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Red Bluff Reservoir 1/2 mile south of Texas - New Mexico border |
Segment 2313 - San Felipe Creek - Tributary of the Rio grande
Station ID |
Station Description |
San Felipe Creek at Guyler confluence with the Rio Grande |
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San Felipe Creek at West Springs, near West Wells in Del Rio |
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San Felipe Creek at Blue Hole flood gates in park between US90 bridge and Southern Pacific RR bridge in Del Rio |
Segment 2314 - Rio Grande above International Dam
Station ID |
Station Description |
Rio Grand at American Eagle Brick Factory |
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Rio Grande at Anapra Bridge |
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Rio Grande at Courchesne Bridge, 1.7 mi upstream of American Dam |
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Rio Grande at Borderland Bridge |
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Rio Grande at Vinton Bridge |
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Rio Grande upstream of East Drain |
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