Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Water Quality Samples for Montana

Click to hide state-specific text

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.


! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024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 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 2023-11-03 2740
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 78 2017-10-25 2023-11-03 Stream width, feet
00010 2714 2017-10-25 2023-11-03 Temperature, water, degrees Celsius
00020 645 2017-10-25 2023-11-03 Temperature, air, degrees Celsius
00021 4 2017-10-25 2023-11-03 Temperature, air, degrees Fahrenheit
00025 8 2017-10-25 2023-11-03 Barometric pressure, millimeters of mercury
00028 411 2017-10-25 2023-11-03 Agency analyzing sample, code
00032 50 2017-10-25 2023-11-03 Cloud cover, percent
00035 50 2017-10-25 2023-11-03 Wind speed, miles per hour
00041 87 2017-10-25 2023-11-03 Weather, World Meteorological Organization (WMO) code
00060 46 2017-10-25 2023-11-03 Discharge, cubic feet per second
00061 661 2017-10-25 2023-11-03 Discharge, instantaneous, cubic feet per second
00063 2129 2017-10-25 2023-11-03 Number of sampling points, count
00065 2614 2017-10-25 2023-11-03 Gage height, feet
00070 17 2017-10-25 2023-11-03 Turbidity, water, unfiltered, Jackson Turbidity Units
00080 16 2017-10-25 2023-11-03 Color, water, filtered, platinum cobalt units
00095 716 2017-10-25 2023-11-03 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 431 2017-10-25 2023-11-03 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00300 22 2017-10-25 2023-11-03 Dissolved oxygen, water, unfiltered, milligrams per liter
00310 23 2017-10-25 2023-11-03 Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter
00400 431 2017-10-25 2023-11-03 pH, water, unfiltered, field, standard units
00403 295 2017-10-25 2023-11-03 pH, water, unfiltered, laboratory, standard units
00405 68 2017-10-25 2023-11-03 Carbon dioxide, water, unfiltered, milligrams per liter
00410 41 2017-10-25 2023-11-03 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter as calcium carbonate
00419 17 2017-10-25 2023-11-03 Acid neutralizing capacity, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter as calcium carbonate
00440 1 2017-10-25 2023-11-03 Bicarbonate, water, unfiltered, fixed endpoint (pH 4.5) titration, field, milligrams per liter
00447 17 2017-10-25 2023-11-03 Carbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
00450 17 2017-10-25 2023-11-03 Bicarbonate, water, unfiltered, inflection-point titration method (incremental titration method), field, milligrams per liter
00605 17 2017-10-25 2023-11-03 Organic nitrogen, water, unfiltered, milligrams per liter as nitrogen
00608 24 2017-10-25 2023-11-03 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613 17 2017-10-25 2023-11-03 Nitrite, water, filtered, milligrams per liter as nitrogen
00618 20 2017-10-25 2023-11-03 Nitrate, water, filtered, milligrams per liter as nitrogen
00631 6 2017-10-25 2023-11-03 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 12 2017-10-25 2023-11-03 Orthophosphate, water, filtered, milligrams per liter as PO4
00665 81 2017-10-25 2023-11-03 Phosphorus, water, unfiltered, milligrams per liter as phosphorus
00666 19 2017-10-25 2023-11-03 Phosphorus, water, filtered, milligrams per liter as phosphorus
00671 9 2017-10-25 2023-11-03 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00680 23 2017-10-25 2023-11-03 Organic carbon, water, unfiltered, milligrams per liter
00900 426 2017-10-25 2023-11-03 Hardness, water, milligrams per liter as calcium carbonate
00915 411 2017-10-25 2023-11-03 Calcium, water, filtered, milligrams per liter
00925 411 2017-10-25 2023-11-03 Magnesium, water, filtered, milligrams per liter
00930 30 2017-10-25 2023-11-03 Sodium, water, filtered, milligrams per liter
00931 30 2017-10-25 2023-11-03 Sodium adsorption ratio (SAR), water, number
00932 30 2017-10-25 2023-11-03 Sodium fraction of cations, water, percent in equivalents of major cations
00935 45 2017-10-25 2023-11-03 Potassium, water, filtered, milligrams per liter
00940 44 2017-10-25 2023-11-03 Chloride, water, filtered, milligrams per liter
00945 33 2017-10-25 2023-11-03 Sulfate, water, filtered, milligrams per liter
00950 40 2017-10-25 2023-11-03 Fluoride, water, filtered, milligrams per liter
00955 29 2017-10-25 2023-11-03 Silica, water, filtered, milligrams per liter as SiO2
01000 426 2017-10-25 2023-11-03 Arsenic, water, filtered, micrograms per liter
01002 409 2017-10-25 2023-11-03 Arsenic, water, unfiltered, micrograms per liter
01005 17 2017-10-25 2023-11-03 Barium, water, filtered, micrograms per liter
01010 9 2017-10-25 2023-11-03 Beryllium, water, filtered, micrograms per liter
01020 24 2017-10-25 2023-11-03 Boron, water, filtered, micrograms per liter
01025 424 2017-10-25 2023-11-03 Cadmium, water, filtered, micrograms per liter
01027 409 2017-10-25 2023-11-03 Cadmium, water, unfiltered, micrograms per liter
01030 3 2017-10-25 2023-11-03 Chromium, water, filtered, micrograms per liter
01034 14 2017-10-25 2023-11-03 Chromium, water, unfiltered, recoverable, micrograms per liter
01035 17 2017-10-25 2023-11-03 Cobalt, water, filtered, micrograms per liter
01040 432 2017-10-25 2023-11-03 Copper, water, filtered, micrograms per liter
01042 412 2017-10-25 2023-11-03 Copper, water, unfiltered, recoverable, micrograms per liter
01045 415 2017-10-25 2023-11-03 Iron, water, unfiltered, recoverable, micrograms per liter
01046 433 2017-10-25 2023-11-03 Iron, water, filtered, micrograms per liter
01049 426 2017-10-25 2023-11-03 Lead, water, filtered, micrograms per liter
01051 409 2017-10-25 2023-11-03 Lead, water, unfiltered, recoverable, micrograms per liter
01055 410 2017-10-25 2023-11-03 Manganese, water, unfiltered, recoverable, micrograms per liter
01056 422 2017-10-25 2023-11-03 Manganese, water, filtered, micrograms per liter
01060 17 2017-10-25 2023-11-03 Molybdenum, water, filtered, micrograms per liter
01065 17 2017-10-25 2023-11-03 Nickel, water, filtered, micrograms per liter
01075 17 2017-10-25 2023-11-03 Silver, water, filtered, micrograms per liter
01080 24 2017-10-25 2023-11-03 Strontium, water, filtered, micrograms per liter
01082 5 2017-10-25 2023-11-03 Strontium, water, unfiltered, recoverable, micrograms per liter
01085 17 2017-10-25 2023-11-03 Vanadium, water, filtered, micrograms per liter
01090 431 2017-10-25 2023-11-03 Zinc, water, filtered, micrograms per liter
01092 414 2017-10-25 2023-11-03 Zinc, water, unfiltered, recoverable, micrograms per liter
01105 3 2017-10-25 2023-11-03 Aluminum, water, unfiltered, recoverable, micrograms per liter
01106 13 2017-10-25 2023-11-03 Aluminum, water, filtered, micrograms per liter
01145 17 2017-10-25 2023-11-03 Selenium, water, filtered, micrograms per liter
01300 2 2017-10-25 2023-11-03 Oil and grease, severity, code
01305 2 2017-10-25 2023-11-03 Suds or foam, severity, code
01320 2 2017-10-25 2023-11-03 Floating garbage, severity, code
01325 2 2017-10-25 2023-11-03 Floating algae mats, severity, code
01330 2 2017-10-25 2023-11-03 Odor, atmospheric, severity, code
01340 2 2017-10-25 2023-11-03 Dead fish, severity, code
01345 2 2017-10-25 2023-11-03 Floating debris, severity, code
01350 1 2017-10-25 2023-11-03 Turbidity, severity, code
30207 2614 2017-10-25 2023-11-03 Gage height, above datum, meters
30208 46 2017-10-25 2023-11-03 Discharge, cubic meters per second
30209 661 2017-10-25 2023-11-03 Discharge, instantaneous, cubic meters per second
31501 23 2017-10-25 2023-11-03 Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters
31616 18 2017-10-25 2023-11-03 Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters
50014 60 2017-10-25 2023-11-03 Transit rate, sampler, minimum, feet per second
50015 28 2017-10-25 2023-11-03 Transit rate, sampler, feet per second
50016 60 2017-10-25 2023-11-03 Transit rate, sampler, maximum, feet per second
50280 68 2017-10-25 2023-11-03 Site visit purpose, code
62855 58 2017-10-25 2023-11-03 Total nitrogen [nitrate + nitrite + ammonia + organic-N], water, unfiltered, analytically determined, milligrams per liter
63676 43 2017-10-25 2023-11-03 Turbidity, water, unfiltered, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, NTRU
63680 9 2017-10-25 2023-11-03 Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
70300 16 2017-10-25 2023-11-03 Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter
70301 28 2017-10-25 2023-11-03 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70302 44 2017-10-25 2023-11-03 Dissolved solids, water, short tons per day
70303 44 2017-10-25 2023-11-03 Dissolved solids, water, filtered, short tons per acre-foot
70331 394 2017-10-25 2023-11-03 Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters
71846 24 2017-10-25 2023-11-03 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 19 2017-10-25 2023-11-03 Nitrate, water, filtered, milligrams per liter as nitrate
71856 17 2017-10-25 2023-11-03 Nitrite, water, filtered, milligrams per liter as nitrite
71890 11 2017-10-25 2023-11-03 Mercury, water, filtered, micrograms per liter
71900 6 2017-10-25 2023-11-03 Mercury, water, unfiltered, recoverable, micrograms per liter
71999 2086 2017-10-25 2023-11-03 Sample purpose, code
72104 4 2017-10-25 2023-11-03 Sample location, distance downstream, feet
72105 19 2017-10-25 2023-11-03 Sample location, distance upstream, feet
72219 64 2017-10-25 2023-11-03 Sampler nozzle material, code
72220 64 2017-10-25 2023-11-03 Sampler nozzle diameter, code
80154 2505 2017-10-25 2023-11-03 Suspended sediment concentration, milligrams per liter
80155 503 2017-10-25 2023-11-03 Suspended sediment discharge, short tons per day
81904 29 2017-10-25 2023-11-03 Velocity at point in stream, feet per second
82398 2453 2017-10-25 2023-11-03 Sampling method, code
84164 2453 2017-10-25 2023-11-03 Sampler type, code
84171 77 2017-10-25 2023-11-03 Sample splitter type, field, code
84182 64 2017-10-25 2023-11-03 Bottle or bag sampler material (construction), code
90095 299 2017-10-25 2023-11-03 Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
90410 28 2017-10-25 2023-11-03 Acid neutralizing capacity, water, unfiltered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate
91157 41 2017-10-25 2023-11-03 Suspended sediment, sediment mass recovered from whole water sample, dry weight, grams
91158 10 2017-10-25 2023-11-03 Suspended sediment, smaller than 0.063 mm sieve diameter, sediment mass recovered from whole water sample, dry weight, grams
91159 10 2017-10-25 2023-11-03 Suspended sediment, larger than 0.063 mm sieve diameter, sediment mass recovered from whole water sample, dry weight, grams
91165 31 2017-10-25 2023-11-03 Suspended sediment, between 0.063 and 4 mm sieve diameter, sediment mass analyzed for particle size fractions, dry weight, grams
99105 157 2017-10-25 2023-11-03 Type of replicate, code
99111 178 2017-10-25 2023-11-03 Type of quality assurance data associated with sample, code
99112 2 2017-10-25 2023-11-03 Topical quality-control data purpose, code
99156 4 2017-10-25 2023-11-03 Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159 71 2017-10-25 2023-11-03 Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99161 50 2017-10-25 2023-11-03 Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD
99163 50 2017-10-25 2023-11-03 Conductance standard NWIS lot number, 500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q45FLD
99164 27 2017-10-25 2023-11-03 Conductance standard NWIS lot number, 750 uS/cm KCl, National Field Supply Service (NFSS) stock number Q46FLD
99165 7 2017-10-25 2023-11-03 Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD
99171 53 2017-10-25 2023-11-03 pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD
99172 12 2017-10-25 2023-11-03 pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD
99173 52 2017-10-25 2023-11-03 pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD
99200 3 2017-10-25 2023-11-03 Lot number, first, inorganic-grade water, number
99206 65 2017-10-25 2023-11-03 NWIS lot number, capsule filter, 0.45 micron
99218 3 2017-10-25 2023-11-03 NWIS lot number, disk filter, 0.45 micron
99870 184 2017-10-25 2023-11-03 Julian date, in-bottle digestion, ddd
99872 10 2017-10-25 2023-11-03 Turbidity, water, unfiltered, laboratory, Hach 2100AN, nephelometric turbidity units
 
Choose Output Format

Retrieve Water-Quality Samples for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above
?
Parameter Group Period of Record table
?
?
*
?
Retrieve data from: to: (YYYY-MM-DD -- Blank = all data)
?
Retrieve sample time and time zone as stored   in UTC
?
Retrieve samples for specified parameter values: (Parameter Code) (Numeric Value)
?
Samples and parameters to include:
   Samples that include only above parameter selection criteria (Count: 0)
   Samples that include above selection criteria and all associated parameters
   
    <--Find parameter codes
   Samples that include above selection criteria plus one or more of these parameters in a file
    Enter the full pathname of a file containing parameter codes. (Limit: 200 codes)
    

?
Table of data
?
Tab-separated data *

 * Save compressed files with a .gz file extension.