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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 08066000 Trinity Rv at Riverside, TX

Walker County, Texas
Hydrologic Unit Code 12030202
Latitude  30°51'33", Longitude  95°23'55" NAD27
Drainage area 15,589  square miles
Contributing drainage area 15,589  square miles
Gage datum 0 feet above NAVD88
Output formats
Parameter Group Period of Record table
Inventory of available water-quality data for printing
Inventory of water-quality data with retrieval
Tab-separated data, one result per row
Tab-separated data one sample per row with remark codes combined with values
Tab-separated data one sample per row with tab-delimiter for remark codes
Reselect output format
Parameter
Code		 Count Begin
Date		 End
Date		 Parameter Code Complete Name
00003 76 1970-09-09 2023-10-18 Sampling depth, feet
00004 6 1970-09-09 2023-10-18 Stream width, feet
00010 111 1970-09-09 2023-10-18 Temperature, water, degrees Celsius
00020 25 1970-09-09 2023-10-18 Temperature, air, degrees Celsius
00025 75 1970-09-09 2023-10-18 Barometric pressure, millimeters of mercury
00035 18 1970-09-09 2023-10-18 Wind speed, miles per hour
00036 13 1970-09-09 2023-10-18 Wind direction, degrees clockwise from true north
00041 6 1970-09-09 2023-10-18 Weather, World Meteorological Organization (WMO) code
00054 6 1970-09-09 2023-10-18 Reservoir storage, acre-feet
00055 2 1970-09-09 2023-10-18 Stream velocity, feet per second
00061 4 1970-09-09 2023-10-18 Discharge, instantaneous, cubic feet per second
00062 15 1970-09-09 2023-10-18 Elevation of reservoir water surface above datum, feet
00063 6 1970-09-09 2023-10-18 Number of sampling points, count
00065 6 1970-09-09 2023-10-18 Gage height, feet
00095 112 1970-09-09 2023-10-18 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 112 1970-09-09 2023-10-18 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 112 1970-09-09 2023-10-18 Dissolved oxygen, water, unfiltered, milligrams per liter
00301 104 1970-09-09 2023-10-18 Dissolved oxygen, water, unfiltered, percent of saturation
00310 29 1970-09-09 2023-10-18 Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter
00400 112 1970-09-09 2023-10-18 pH, water, unfiltered, field, standard units
00405 30 1970-09-09 2023-10-18 Carbon dioxide, water, unfiltered, milligrams per liter
00410 30 1970-09-09 2023-10-18 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter as calcium carbonate
00440 30 1970-09-09 2023-10-18 Bicarbonate, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter
00445 30 1970-09-09 2023-10-18 Carbonate, water, unfiltered, fixed endpoint (pH 8.3) titration, field, milligrams per liter
00600 5 1970-09-09 2023-10-18 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, milligrams per liter
00605 17 1970-09-09 2023-10-18 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00607 5 1970-09-09 2023-10-18 Organic nitrogen, water, filtered, milligrams per liter as nitrogen
00608 6 1970-09-09 2023-10-18 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00610 28 1970-09-09 2023-10-18 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as nitrogen
00613 6 1970-09-09 2023-10-18 Nitrite, water, filtered, milligrams per liter as nitrogen
00615 28 1970-09-09 2023-10-18 Nitrite, water, unfiltered, milligrams per liter as nitrogen
00618 6 1970-09-09 2023-10-18 Nitrate, water, filtered, milligrams per liter as nitrogen
00620 28 1970-09-09 2023-10-18 Nitrate, water, unfiltered, milligrams per liter as nitrogen
00631 6 1970-09-09 2023-10-18 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 6 1970-09-09 2023-10-18 Orthophosphate, water, filtered, milligrams per liter as PO4
00665 33 1970-09-09 2023-10-18 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00671 6 1970-09-09 2023-10-18 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00680 10 1970-09-09 2023-10-18 Organic carbon, water, unfiltered, milligrams per liter
00681 6 1970-09-09 2023-10-18 Organic carbon, water, filtered, milligrams per liter
00694 5 1970-09-09 2023-10-18 Carbon [inorganic plus organic], suspended sediment, total, milligrams per liter
00900 30 1970-09-09 2023-10-18 Hardness, water, milligrams per liter as calcium carbonate
00902 30 1970-09-09 2023-10-18 Noncarbonate hardness, water, unfiltered, field, milligrams per liter as calcium carbonate
00915 30 1970-09-09 2023-10-18 Calcium, water, filtered, milligrams per liter
00925 30 1970-09-09 2023-10-18 Magnesium, water, filtered, milligrams per liter
00930 6 1970-09-09 2023-10-18 Sodium, water, filtered, milligrams per liter
00931 30 1970-09-09 2023-10-18 Sodium adsorption ratio (SAR), water, number
00932 15 1970-09-09 2023-10-18 Sodium fraction of cations, water, percent in equivalents of major cations
00933 24 1970-09-09 2023-10-18 Sodium plus potassium, water, filtered, milligrams per liter as sodium
00935 6 1970-09-09 2023-10-18 Potassium, water, filtered, milligrams per liter
00940 30 1970-09-09 2023-10-18 Chloride, water, filtered, milligrams per liter
00945 30 1970-09-09 2023-10-18 Sulfate, water, filtered, milligrams per liter
00950 27 1970-09-09 2023-10-18 Fluoride, water, filtered, milligrams per liter
00955 30 1970-09-09 2023-10-18 Silica, water, filtered, milligrams per liter as SiO2
01300 6 1970-09-09 2023-10-18 Oil and grease, severity, code
01305 6 1970-09-09 2023-10-18 Suds or foam, severity, code
01320 6 1970-09-09 2023-10-18 Floating garbage, severity, code
01325 6 1970-09-09 2023-10-18 Floating algae mats, severity, code
01330 6 1970-09-09 2023-10-18 Odor, atmospheric, severity, code
01340 6 1970-09-09 2023-10-18 Dead fish, severity, code
01345 6 1970-09-09 2023-10-18 Floating debris, severity, code
01350 6 1970-09-09 2023-10-18 Turbidity, severity, code
30207 6 1970-09-09 2023-10-18 Gage height, above datum, meters
30209 4 1970-09-09 2023-10-18 Discharge, instantaneous, cubic meters per second
31501 29 1970-09-09 2023-10-18 Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters
31616 29 1970-09-09 2023-10-18 Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters
31679 29 1970-09-09 2023-10-18 Fecal streptococci, m-Enterococcus MF method, water, colonies per 100 milliliters
32000 16 1970-09-09 2023-10-18 Sample volume, liters
49570 5 1970-09-09 2023-10-18 Particulate nitrogen, suspended in water, milligrams per liter
49701 7 1970-09-09 2023-10-18 Transparency, water, in situ, Secchi disc, feet
50015 1 1970-09-09 2023-10-18 Transit rate, sampler, feet per second
50280 6 1970-09-09 2023-10-18 Site visit purpose, code
50624 6 1970-09-09 2023-10-18 Absorbance, 254 nm, water, filtered, absorbance units per centimeter
61726 6 1970-09-09 2023-10-18 Absorbance, UV, organic constituents, 280 nm, 1 cm path length, water, filtered, absorbance units per centimeter
62854 5 1970-09-09 2023-10-18 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, filtered, analytically determined, milligrams per liter
62855 6 1970-09-09 2023-10-18 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
63162 6 1970-09-09 2023-10-18 Specific UV Absorbance, 254 nm, water, filtered, 1 cm path length, calculated, liter per (milligram of dissolved organic carbon * meter)
63680 6 1970-09-09 2023-10-18 Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
70301 30 1970-09-09 2023-10-18 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70303 30 1970-09-09 2023-10-18 Dissolved solids, water, filtered, short tons per acre-foot
70331 6 1970-09-09 2023-10-18 Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters
71845 28 1970-09-09 2023-10-18 Ammonia (NH3 + NH4+), water, unfiltered, milligrams per liter as NH4
71846 6 1970-09-09 2023-10-18 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 6 1970-09-09 2023-10-18 Nitrate, water, filtered, milligrams per liter as nitrate
71856 6 1970-09-09 2023-10-18 Nitrite, water, filtered, milligrams per liter as nitrite
71999 7 1970-09-09 2023-10-18 Sample purpose, code
72053 1 1970-09-09 2023-10-18 Number of days since last precipitation event
72219 3 1970-09-09 2023-10-18 Sampler nozzle material, code
72220 3 1970-09-09 2023-10-18 Sampler nozzle diameter, code
80154 6 1970-09-09 2023-10-18 Suspended sediment concentration, milligrams per liter
80155 4 1970-09-09 2023-10-18 Suspended sediment discharge, short tons per day
81904 3 1970-09-09 2023-10-18 Velocity at point in stream, feet per second
82398 7 1970-09-09 2023-10-18 Sampling method, code
84164 7 1970-09-09 2023-10-18 Sampler type, code
84171 6 1970-09-09 2023-10-18 Sample splitter type, field, code
84182 6 1970-09-09 2023-10-18 Bottle or bag sampler material (construction), code
94425 19 1970-09-09 2023-10-18 Dreissena polymorpha (Pallas, 1771) larvae, number per liter
94428 3 1970-09-09 2023-10-18 Zebra mussel Dreissena polymorpha (Pallas, 1771) rDNA ITS 2 gene, water, DNA based, recoverable, copies per liter
94429 1 1970-09-09 2023-10-18 Zebra mussel Dreissena polymorpha (Pallas, 1771) shell length, larvae, average, micrometers
99105 1 1970-09-09 2023-10-18 Type of replicate, code
99111 51 1970-09-09 2023-10-18 Type of quality assurance data associated with sample, code
99156 6 1970-09-09 2023-10-18 Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99161 1 1970-09-09 2023-10-18 Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD
99162 5 1970-09-09 2023-10-18 Conductance standard NWIS lot number, 250 uS/cm KCl, National Field Supply Service (NFSS) stock number Q44FLD
99163 6 1970-09-09 2023-10-18 Conductance standard NWIS lot number, 500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q45FLD
99165 6 1970-09-09 2023-10-18 Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD
99171 6 1970-09-09 2023-10-18 pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD
99172 6 1970-09-09 2023-10-18 pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD
99173 6 1970-09-09 2023-10-18 pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD
99206 6 1970-09-09 2023-10-18 NWIS lot number, capsule filter, 0.45 micron