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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.

UPDATED July 25, 2022: The following stations are part of a short-term project and are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured.
  • 06192900 Dugout Creek near mouth, near Willsall, MT
  • 12355342 Hallowat Creek above Kletomus Creek, near Olney, MT
  • 12355347 Big Creek below Lookout Creek, near Apgar, MT

Please contact the Wyoming-Montana Science Center for more information.

USGS 12323720 Willow Creek at Opportunity, MT

Deer Lodge County, Montana
Hydrologic Unit Code 17010201
Latitude  46°06'25.79", Longitude 112°48'38.20" NAD83
Drainage area 28.6  square miles
Gage datum 4,930 feet above NAVD88
Period of record
Begin Date End Date Samples
2003-03-17 2022-07-12 316
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 53 2003-03-17 2022-07-12 Stream width, feet
00010 316 2003-03-17 2022-07-12 Temperature, water, degrees Celsius
00020 234 2003-03-17 2022-07-12 Temperature, air, degrees Celsius
00028 63 2003-03-17 2022-07-12 Agency analyzing sample, code
00041 8 2003-03-17 2022-07-12 Weather, World Meteorological Organization (WMO) code
00061 286 2003-03-17 2022-07-12 Discharge, instantaneous, cubic feet per second
00063 53 2003-03-17 2022-07-12 Number of sampling points, count
00065 258 2003-03-17 2022-07-12 Gage height, feet
00095 307 2003-03-17 2022-07-12 Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
00191 224 2003-03-17 2022-07-12 Hydrogen ion, water, unfiltered, calculated, milligrams per liter
00400 224 2003-03-17 2022-07-12 pH, water, unfiltered, field, standard units
00403 155 2003-03-17 2022-07-12 pH, water, unfiltered, laboratory, standard units
00405 90 2003-03-17 2022-07-12 Carbon dioxide, water, unfiltered, milligrams per liter
00608 21 2003-03-17 2022-07-12 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as nitrogen
00613 21 2003-03-17 2022-07-12 Nitrite, water, filtered, milligrams per liter as nitrogen
00618 21 2003-03-17 2022-07-12 Nitrate, water, filtered, milligrams per liter as nitrogen
00631 21 2003-03-17 2022-07-12 Nitrate plus nitrite, water, filtered, milligrams per liter as nitrogen
00660 21 2003-03-17 2022-07-12 Orthophosphate, water, filtered, milligrams per liter as PO4
00671 21 2003-03-17 2022-07-12 Orthophosphate, water, filtered, milligrams per liter as phosphorus
00681 75 2003-03-17 2022-07-12 Organic carbon, water, filtered, milligrams per liter
00900 180 2003-03-17 2022-07-12 Hardness, water, milligrams per liter as calcium carbonate
00905 68 2003-03-17 2022-07-12 Noncarbonate hardness, water, filtered, lab, milligrams per liter as calcium carbonate
00915 180 2003-03-17 2022-07-12 Calcium, water, filtered, milligrams per liter
00925 180 2003-03-17 2022-07-12 Magnesium, water, filtered, milligrams per liter
00930 90 2003-03-17 2022-07-12 Sodium, water, filtered, milligrams per liter
00931 90 2003-03-17 2022-07-12 Sodium adsorption ratio (SAR), water, number
00932 90 2003-03-17 2022-07-12 Sodium fraction of cations, water, percent in equivalents of major cations
00935 90 2003-03-17 2022-07-12 Potassium, water, filtered, milligrams per liter
00940 90 2003-03-17 2022-07-12 Chloride, water, filtered, milligrams per liter
00945 90 2003-03-17 2022-07-12 Sulfate, water, filtered, milligrams per liter
00950 71 2003-03-17 2022-07-12 Fluoride, water, filtered, milligrams per liter
00955 71 2003-03-17 2022-07-12 Silica, water, filtered, milligrams per liter as SiO2
01000 218 2003-03-17 2022-07-12 Arsenic, water, filtered, micrograms per liter
01002 203 2003-03-17 2022-07-12 Arsenic, water, unfiltered, micrograms per liter
01025 180 2003-03-17 2022-07-12 Cadmium, water, filtered, micrograms per liter
01027 169 2003-03-17 2022-07-12 Cadmium, water, unfiltered, micrograms per liter
01040 218 2003-03-17 2022-07-12 Copper, water, filtered, micrograms per liter
01042 202 2003-03-17 2022-07-12 Copper, water, unfiltered, recoverable, micrograms per liter
01045 169 2003-03-17 2022-07-12 Iron, water, unfiltered, recoverable, micrograms per liter
01046 180 2003-03-17 2022-07-12 Iron, water, filtered, micrograms per liter
01049 218 2003-03-17 2022-07-12 Lead, water, filtered, micrograms per liter
01051 202 2003-03-17 2022-07-12 Lead, water, unfiltered, recoverable, micrograms per liter
01055 202 2003-03-17 2022-07-12 Manganese, water, unfiltered, recoverable, micrograms per liter
01056 218 2003-03-17 2022-07-12 Manganese, water, filtered, micrograms per liter
01090 218 2003-03-17 2022-07-12 Zinc, water, filtered, micrograms per liter
01092 202 2003-03-17 2022-07-12 Zinc, water, unfiltered, recoverable, micrograms per liter
29801 90 2003-03-17 2022-07-12 Alkalinity, water, filtered, fixed endpoint (pH 4.5) titration, laboratory, milligrams per liter as calcium carbonate
30207 258 2003-03-17 2022-07-12 Gage height, above datum, meters
30209 286 2003-03-17 2022-07-12 Discharge, instantaneous, cubic meters per second
50015 47 2003-03-17 2022-07-12 Transit rate, sampler, feet per second
50280 96 2003-03-17 2022-07-12 Site visit purpose, code
63676 77 2003-03-17 2022-07-12 Turbidity, water, unfiltered, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, NTRU
70301 90 2003-03-17 2022-07-12 Dissolved solids, water, filtered, sum of constituents, milligrams per liter
70302 82 2003-03-17 2022-07-12 Dissolved solids, water, short tons per day
70303 90 2003-03-17 2022-07-12 Dissolved solids, water, filtered, short tons per acre-foot
70331 156 2003-03-17 2022-07-12 Suspended sediment, sieve diameter, percent smaller than 0.0625 millimeters
71846 21 2003-03-17 2022-07-12 Ammonia (NH3 + NH4+), water, filtered, milligrams per liter as NH4
71851 21 2003-03-17 2022-07-12 Nitrate, water, filtered, milligrams per liter as nitrate
71856 21 2003-03-17 2022-07-12 Nitrite, water, filtered, milligrams per liter as nitrite
71999 12 2003-03-17 2022-07-12 Sample purpose, code
72104 6 2003-03-17 2022-07-12 Sample location, distance downstream, feet
72105 2 2003-03-17 2022-07-12 Sample location, distance upstream, feet
72219 51 2003-03-17 2022-07-12 Sampler nozzle material, code
72220 51 2003-03-17 2022-07-12 Sampler nozzle diameter, code
80154 156 2003-03-17 2022-07-12 Suspended sediment concentration, milligrams per liter
80155 145 2003-03-17 2022-07-12 Suspended sediment discharge, short tons per day
81352 65 2003-03-17 2022-07-12 Filter pore size, micrometers
81904 30 2003-03-17 2022-07-12 Velocity at point in stream, feet per second
82398 224 2003-03-17 2022-07-12 Sampling method, code
84164 223 2003-03-17 2022-07-12 Sampler type, code
84171 53 2003-03-17 2022-07-12 Sample splitter type, field, code
84182 52 2003-03-17 2022-07-12 Bottle or bag sampler material (construction), code
90095 155 2003-03-17 2022-07-12 Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius
91157 28 2003-03-17 2022-07-12 Suspended sediment, sediment mass recovered from whole water sample, dry weight, grams
91165 28 2003-03-17 2022-07-12 Suspended sediment, between 0.063 and 4 mm sieve diameter, sediment mass analyzed for particle size fractions, dry weight, grams
99105 3 2003-03-17 2022-07-12 Type of replicate, code
99111 17 2003-03-17 2022-07-12 Type of quality assurance data associated with sample, code
99156 62 2003-03-17 2022-07-12 Sulfuric acid NWIS lot number, 4.5 N (1:7), 1 mL, National Field Supply Service (NFSS) stock number Q438FLD
99159 62 2003-03-17 2022-07-12 Nitric acid NWIS lot number, 7.5-7.7 N, 2 mL, National Field Supply Service (NFSS) stock number Q436FLD
99161 50 2003-03-17 2022-07-12 Conductance standard NWIS lot number, 100 uS/cm KCl, National Field Supply Service (NFSS) stock number Q43FLD
99163 42 2003-03-17 2022-07-12 Conductance standard NWIS lot number, 500 uS/cm KCl, National Field Supply Service (NFSS) stock number Q45FLD
99164 28 2003-03-17 2022-07-12 Conductance standard NWIS lot number, 750 uS/cm KCl, National Field Supply Service (NFSS) stock number Q46FLD
99165 10 2003-03-17 2022-07-12 Conductance standard NWIS lot number, 1000 uS/cm KCl, National Field Supply Service (NFSS) stock number Q47FLD
99171 52 2003-03-17 2022-07-12 pH 10 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q122FLD, Q123FLD
99172 12 2003-03-17 2022-07-12 pH 4 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q124FLD, Q125FLD
99173 53 2003-03-17 2022-07-12 pH 7 Buffer solution, NWIS lot number, National Field Supply Service (NFSS) stock numbers Q126FLD, Q127FLD
99177 6 2003-03-17 2022-07-12 Conductance standard NWIS lot number, 1800 uS/cm KCl, National Field Supply Service (NFSS) stock number Q383FLD
99200 1 2003-03-17 2022-07-12 Lot number, first, inorganic-grade water, number
99206 62 2003-03-17 2022-07-12 NWIS lot number, capsule filter, 0.45 micron
99870 22 2003-03-17 2022-07-12 Julian date, in-bottle digestion, ddd
 
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