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Water Quality Samples for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


USGS 12340500 Clark Fork above Missoula MT

Missoula County, Montana
Hydrologic Unit Code 17010204
Latitude  46°52'36.35", Longitude 113°55'55.63" NAD83
Drainage area 6,021  square miles
Gage datum 3,198.30 feet above NGVD29
Period of record
Begin Date End Date Samples
1969-07-10 2021-10-14 2723
Select one or more parameter codes from the list.
When you are finished selecting parameter codes, set your output format using the available options below.
Parameter
Code
Count Begin
Date
End
Date
Parameter Code Complete Name
00004 63 1969-07-10 2021-10-14 Stream width, feet
00010 2697 1969-07-10 2021-10-14 Temperature, water, degrees Celsius
00020 636 1969-07-10 2021-10-14 Temperature, air, degrees Celsius
00028 411 1969-07-10 2021-10-14 Agency analyzing sample, code
00032 50 1969-07-10 2021-10-14 Cloud cover, percent
00035 50 1969-07-10 2021-10-14 Wind speed, miles per hour
00041 73 1969-07-10 2021-10-14 Weather, World Meteorological Organization (WMO) code
00060 28 1969-07-10 2021-10-14 Discharge, cubic feet per second
00061 655 1969-07-10 2021-10-14 Discharge, instantaneous, cubic feet per second
00063 2121 1969-07-10 2021-10-14 Number of sampling points, count
00065 2597 1969-07-10 2021-10-14 Gage height, feet
00070 17 1969-07-10 2021-10-14 Turbidity, water, unfiltered, Jackson Turbidity Units
00080 16 1969-07-10 2021-10-14 Color, water, filtered, platinum cobalt units
00095 699 1969-07-10 2021-10-14 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 414 1969-07-10 2021-10-14 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 22 1969-07-10 2021-10-14 Dissolved oxygen, water, unfiltered, milligrams per liter
00310 23 1969-07-10 2021-10-14 Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter
00400 414 1969-07-10 2021-10-14 pH, water, unfiltered, field, standard units
00403 277 1969-07-10 2021-10-14 pH, water, unfiltered, laboratory, standard units
00405 68 1969-07-10 2021-10-14 Carbon dioxide, water, unfiltered, milligrams per liter
00410 41 1969-07-10 2021-10-14 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter as calcium carbonate
00419 17 1969-07-10 2021-10-14 Acid neutralizing capacity, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
00440 1 1969-07-10 2021-10-14 Bicarbonate, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter
00447 17 1969-07-10 2021-10-14 Carbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
00450 17 1969-07-10 2021-10-14 Bicarbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
00605 17 1969-07-10 2021-10-14 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00608 24 1969-07-10 2021-10-14 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613 17 1969-07-10 2021-10-14 Nitrite, water, filtered, milligrams per liter as nitrogen
00618 20 1969-07-10 2021-10-14 Nitrate, water, filtered, milligrams per liter as nitrogen
00631 6 1969-07-10 2021-10-14 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 12 1969-07-10 2021-10-14 Orthophosphate, water, filtered, milligrams per liter as PO4
00665 81 1969-07-10 2021-10-14 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666 19 1969-07-10 2021-10-14 Phosphorus, water, filtered, milligrams per liter as phosphorus
00671 9 1969-07-10 2021-10-14 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00680 23 1969-07-10 2021-10-14 Organic carbon, water, unfiltered, milligrams per liter
00900 408 1969-07-10 2021-10-14 Hardness, water, milligrams per liter as calcium carbonate
00915 393 1969-07-10 2021-10-14 Calcium, water, filtered, milligrams per liter
00925 393 1969-07-10 2021-10-14 Magnesium, water, filtered, milligrams per liter
00930 30 1969-07-10 2021-10-14 Sodium, water, filtered, milligrams per liter
00931 30 1969-07-10 2021-10-14 Sodium adsorption ratio (SAR), water, number
00932 30 1969-07-10 2021-10-14 Sodium fraction of cations, water, percent in equivalents of major cations
00935 45 1969-07-10 2021-10-14 Potassium, water, filtered, milligrams per liter
00940 44 1969-07-10 2021-10-14 Chloride, water, filtered, milligrams per liter
00945 33 1969-07-10 2021-10-14 Sulfate, water, filtered, milligrams per liter
00950 40 1969-07-10 2021-10-14 Fluoride, water, filtered, milligrams per liter
00955 29 1969-07-10 2021-10-14 Silica, water, filtered, milligrams per liter as SiO2
01000 408 1969-07-10 2021-10-14 Arsenic, water, filtered, micrograms per liter
01002 391 1969-07-10 2021-10-14 Arsenic, water, unfiltered, micrograms per liter
01005 17 1969-07-10 2021-10-14 Barium, water, filtered, micrograms per liter
01010 9 1969-07-10 2021-10-14 Beryllium, water, filtered, micrograms per liter
01020 24 1969-07-10 2021-10-14 Boron, water, filtered, micrograms per liter
01025 406 1969-07-10 2021-10-14 Cadmium, water, filtered, micrograms per liter
01027 391 1969-07-10 2021-10-14 Cadmium, water, unfiltered, micrograms per liter
01030 3 1969-07-10 2021-10-14 Chromium, water, filtered, micrograms per liter
01034 14 1969-07-10 2021-10-14 Chromium, water, unfiltered, recoverable, micrograms per liter
01035 17 1969-07-10 2021-10-14 Cobalt, water, filtered, micrograms per liter
01040 414 1969-07-10 2021-10-14 Copper, water, filtered, micrograms per liter
01042 394 1969-07-10 2021-10-14 Copper, water, unfiltered, recoverable, micrograms per liter
01045 397 1969-07-10 2021-10-14 Iron, water, unfiltered, recoverable, micrograms per liter
01046 415 1969-07-10 2021-10-14 Iron, water, filtered, micrograms per liter
01049 408 1969-07-10 2021-10-14 Lead, water, filtered, micrograms per liter
01051 391 1969-07-10 2021-10-14 Lead, water, unfiltered, recoverable, micrograms per liter
01055 392 1969-07-10 2021-10-14 Manganese, water, unfiltered, recoverable, micrograms per liter
01056 404 1969-07-10 2021-10-14 Manganese, water, filtered, micrograms per liter
01060 17 1969-07-10 2021-10-14 Molybdenum, water, filtered, micrograms per liter
01065 17 1969-07-10 2021-10-14 Nickel, water, filtered, micrograms per liter
01075 17 1969-07-10 2021-10-14 Silver, water, filtered, micrograms per liter
01080 24 1969-07-10 2021-10-14 Strontium, water, filtered, micrograms per liter
01082 5 1969-07-10 2021-10-14 Strontium, water, unfiltered, recoverable, micrograms per liter
01085 17 1969-07-10 2021-10-14 Vanadium, water, filtered, micrograms per liter
01090 413 1969-07-10 2021-10-14 Zinc, water, filtered, micrograms per liter
01092 396 1969-07-10 2021-10-14 Zinc, water, unfiltered, recoverable, micrograms per liter
01105 3 1969-07-10 2021-10-14 Aluminum, water, unfiltered, recoverable, micrograms per liter
01106 13 1969-07-10 2021-10-14 Aluminum, water, filtered, micrograms per liter
01145 17 1969-07-10 2021-10-14 Selenium, water, filtered, micrograms per liter
01300 2 1969-07-10 2021-10-14 Oil and grease, severity, code
01305 2 1969-07-10 2021-10-14 Suds or foam, severity, code
01320 2 1969-07-10 2021-10-14 Floating garbage, severity, code
01325 2 1969-07-10 2021-10-14 Floating algae mats, severity, code
01330 2 1969-07-10 2021-10-14 Odor, atmospheric, severity, code
01340 2 1969-07-10 2021-10-14 Dead fish, severity, code
01345 2 1969-07-10 2021-10-14 Floating debris, severity, code
01350 1 1969-07-10 2021-10-14 Turbidity, severity, code
30207 2597 1969-07-10 2021-10-14 Gage height, above datum, meters
30208 28 1969-07-10 2021-10-14 Discharge, cubic meters per second
30209 655 1969-07-10 2021-10-14 Discharge, instantaneous, cubic meters per second
31501 23 1969-07-10 2021-10-14 Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters
31616 18 1969-07-10 2021-10-14 Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters
50014 55 1969-07-10 2021-10-14 Transit rate, sampler, minimum, feet per second
50015 26 1969-07-10 2021-10-14 Transit rate, sampler, feet per second
50016 55 1969-07-10 2021-10-14 Transit rate, sampler, maximum, feet per second
50280 51 1969-07-10 2021-10-14 Site visit purpose, code
62855 58 1969-07-10 2021-10-14 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
63676 43 1969-07-10 2021-10-14 Turbidity, water, unfiltered, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, NTRU
70300 16 1969-07-10 2021-10-14 Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter
70301 28 1969-07-10 2021-10-14 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70302 44 1969-07-10 2021-10-14 Dissolved solids, water, short tons per day
70303 44 1969-07-10 2021-10-14 Dissolved solids, water, filtered, short tons per acre-foot
70331 377 1969-07-10 2021-10-14 Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters
71846 24 1969-07-10 2021-10-14 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 19 1969-07-10 2021-10-14 Nitrate, water, filtered, milligrams per liter as nitrate
71856 17 1969-07-10 2021-10-14 Nitrite, water, filtered, milligrams per liter as nitrite
71890 11 1969-07-10 2021-10-14 Mercury, water, filtered, micrograms per liter
71900 6 1969-07-10 2021-10-14 Mercury, water, unfiltered, recoverable, micrograms per liter
71999 2068 1969-07-10 2021-10-14 Sample purpose, code
72104 3 1969-07-10 2021-10-14 Sample location, distance downstream, feet
72105 3 1969-07-10 2021-10-14 Sample location, distance upstream, feet
72219 47 1969-07-10 2021-10-14 Sampler nozzle material, code
72220 47 1969-07-10 2021-10-14 Sampler nozzle diameter, code
80154 2488 1969-07-10 2021-10-14 Suspended sediment concentration, milligrams per liter
80155 497 1969-07-10 2021-10-14 Suspended sediment discharge, short tons per day
81904 29 1969-07-10 2021-10-14 Velocity at point in stream, feet per second
82398 2436 1969-07-10 2021-10-14 Sampling method, code
84164 2436 1969-07-10 2021-10-14 Sampler type, code
84171 65 1969-07-10 2021-10-14 Sample splitter type, field, code
84182 47 1969-07-10 2021-10-14 Bottle or bag sampler material (construction), code
90095 281 1969-07-10 2021-10-14 Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
90410 28 1969-07-10 2021-10-14 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate
91157 24 1969-07-10 2021-10-14 Suspended sediment, sediment mass recovered from whole water sample, dry weight, grams
91165 24 1969-07-10 2021-10-14 Suspended sediment, between 0.063 and 4 mm sieve diameter, sediment mass analyzed for particle size fractions, dry weight, grams
99105 156 1969-07-10 2021-10-14 Type of replicate, code
99111 165 1969-07-10 2021-10-14 Type of quality assurance data associated with sample, code
99112 2 1969-07-10 2021-10-14 Topical quality-control data purpose, code
99156 4 1969-07-10 2021-10-14 Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159 56 1969-07-10 2021-10-14 Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99161 44 1969-07-10 2021-10-14 Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD
99163 44 1969-07-10 2021-10-14 Conductance standard NWIS lot number, 500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q45FLD
99164 27 1969-07-10 2021-10-14 Conductance standard NWIS lot number, 750 uS/cm KCl, National Field Supply Service (NFSS) stock number Q46FLD
99165 1 1969-07-10 2021-10-14 Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD
99171 47 1969-07-10 2021-10-14 pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD
99172 11 1969-07-10 2021-10-14 pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD
99173 46 1969-07-10 2021-10-14 pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD
99200 2 1969-07-10 2021-10-14 Lot number, first, inorganic-grade water, number
99206 54 1969-07-10 2021-10-14 NWIS lot number, capsule filter, 0.45 micron
99870 166 1969-07-10 2021-10-14 Julian date, in-bottle digestion, ddd
99872 10 1969-07-10 2021-10-14 Turbidity, water, unfiltered, laboratory, Hach 2100AN, nephelometric turbidity units
 
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