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Water Quality Samples for Montana
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.
Sample Datetime |
Time datum |
Time datum reliability code |
Sample Medium Code |
Agency Collecting Sample, Code |
Stream width, feet (00004) |
Temper- ature, water, deg C (00010) |
Temper- ature, air, deg C (00020) |
Baro- metric pres- sure, mm Hg (00025) |
Weather WMO code (00041) |
Dis- charge, ft3/s (00060) |
Number of sam- pling points, count (00063) |
Gage height, feet (00065) |
Specif- ic conduc- tance, wat unf uS/cm @ 25 degC (00095) |
Hydro- gen ion, water, unfltrd calcd, mg/L (00191) |
pH, water, unfltrd field, std units (00400) |
pH, water, unfltrd lab, std units (00403) |
Carbon dioxide water, unfltrd mg/L (00405) |
Carbon- ate, wat flt infl pt titr., field, mg/L (00452) |
Bicar- bonate, wat flt infl pt titr., field, mg/L (00453) |
Organic carbon, water, fltrd, mg/L (00681) |
Hard- ness, water, mg/L as CaCO3 (00900) |
Noncarb hard- ness, wat flt field, mg/L as CaCO3 (00904) |
Noncarb hard- ness, wat flt lab, mg/L as CaCO3 (00905) |
Calcium water, fltrd, mg/L (00915) |
Magnes- ium, water, fltrd, mg/L (00925) |
Sodium, water, fltrd, mg/L (00930) |
Sodium adsorp- tion ratio (00931) |
Sodium frac- tion of cations percent (00932) |
Potas- sium, water, fltrd, mg/L (00935) |
Chlor- ide, water, fltrd, mg/L (00940) |
Sulfate water, fltrd, mg/L (00945) |
Fluor- ide, water, fltrd, mg/L (00950) |
Silica, water, fltrd, mg/L as SiO2 (00955) |
Arsenic water, fltrd, ug/L (01000) |
Arsenic water, unfltrd ug/L (01002) |
Cadmium water, fltrd, ug/L (01025) |
Cadmium water, unfltrd ug/L (01027) |
Copper, water, fltrd, ug/L (01040) |
Copper, water, unfltrd recover -able, ug/L (01042) |
Iron, water, unfltrd recover -able, ug/L (01045) |
Iron, water, fltrd, ug/L (01046) |
Lead, water, fltrd, ug/L (01049) |
Lead, water, unfltrd recover -able, ug/L (01051) |
Manga- nese, water, unfltrd recover -able, ug/L (01055) |
Manga- nese, water, fltrd, ug/L (01056) |
Zinc, water, fltrd, ug/L (01090) |
Zinc, water, unfltrd recover -able, ug/L (01092) |
Alka- linity, wat flt fxd end lab, mg/L as CaCO3 (29801) |
Gage height above datum meters (30207) |
Dis- charge, m3/s (30208) |
Alka- linity, wat flt inf tit field, mg/L as CaCO3 (39086) |
Transit rate, sampler minimum ft/s (50014) |
Transit rate, sampler ft/s (50015) |
Transit rate, sampler maximum ft/s (50016) |
Site visit purpose code (50280) |
Turbdty white light, det ang 90+/-30 corrctd NTRU (63676) |
Turbid- ity, IR LED light, det ang 90 deg, FNU (63680) |
Dis- solved solids, sum of consti- tuents, mg/L (70301) |
Dis- solved solids, water, tons/ acre-ft (70303) |
Suspnd. sedimnt sieve diametr percent <0.0625 mm (70331) |
Hydrox- ide, wat flt infl pt titr., field, mg/L (71834) |
Sample purpose code (71999) |
Sample loc- ation, distanc down stream, feet (72104) |
Sample loc- ation, distanc up- stream, feet (72105) |
Sampler nozzle mater- ial, code (72219) |
Sampler nozzle di- ameter, code (72220) |
Sus- pended sedi- ment concen- tration mg/L (80154) |
Vel- city at point in stream, ft/s (81904) |
Sam- pling method, code (82398) |
Sampler type, code (84164) |
Sample split- ter type, field, code (84171) |
Bottle or bag sampler mater- ial, code (84182) |
Specif. conduc- tance, wat unf lab, uS/cm @ 25 degC (90095) |
Sus- pended sedimnt mass, grams (91157) |
Sus- pended sedimnt mass <63 um, grams (91158) |
Sus- pended sedimnt mass >63 um, grams (91159) |
Suspnd sedimnt mass between 63 um & 4 mm, grams (91165) |
Type of sample related QA data, code (99111) |
1 mL 4.5 N H2SO4 preser- vative lot number (99156) |
2 mL 7.7 N HNO3 preser- vative lot number (99159) |
100 uS/cm KCl conduct stand- ard lot number (99161) |
500 uS/cm KCl conduct stand- ard lot number (99163) |
750 uS/cm KCl conduct stand- ard lot number (99164) |
1000 uS/cm KCl conduct stand- ard lot number (99165) |
pH 10 Buffer lot number (99171) |
pH 4 Buffer lot number (99172) |
pH 7 Buffer lot number (99173) |
0.16 N Sulfur- ic acid titrant lot number (99174) |
Lot no. first, inor- ganic grade water, number (99200) |
0.45 um capsule filter NWIS lot number (99206) |
NWIS lot number, disk filter, 0.45 um number (99218) |
Julian date, in- bottle diges- tion, ddd (99870) |
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2019-10-08 07:45 |
MDT |
K |
WS |
USGS-WRD |
28.0 | 7.0 | 9.0 | 98 | 26 | 2.31 | 265 | 0.00001 | 8.0 | 8.2 | 2.2 | 0.90 | 127 | 7 | 37.4 | 8.07 | 3.14 | 0.12 | 5 | 1.22 | 1.90 | 17.5 | 0.40 | 10.5 | 1.8 | 2.0 | < 0.030 | < 0.03 | 0.42 | 2.7 | 32.7 | < 10.0 | < 0.020 | 0.09 | 2.6 | 0.79 | 2.7 | 4 | 120 | 0.70 | 2.8 | 0.6 | 1001 | < 2.0 | 152 | 0.21 | 94 | 10.00 | 3 | 5 | 1 | 2.40 | 10 | 3044 | 10 | 2 | 270 | 0.0018 | 0.0001 | 40286 | 40295 | 30715 | 30656 | 30724 | 20356 | 20350 | 10062 | |||||||||||||||||||||
2020-04-14 10:15 |
MDT |
K |
WS |
USGS-WRD |
26.0 | 2.4 | 2.2 | 64 | 24 | 2.09 | 275 | M | 8.3 | 8.3 | 1.1 | 0.73 | 138 | 10 | 40.3 | 9.14 | 3.81 | 0.14 | 6 | 1.35 | 1.63 | 16.2 | 0.40 | 11.2 | 2.1 | 1.9 | < 0.030 | < 0.03 | 0.82 | 1.0 | 44.4 | < 10.0 | < 0.020 | 0.13 | 2.6 | 1.06 | < 2.0 | < 2 | 128 | 0.64 | 1.8 | 0.4 | 1001 | < 2.0 | 161 | 0.22 | 65 | 10.00 | 3 | 5 | 3 | 10 | 3044 | 10 | 2 | 281 | 0.0071 | 0.0025 | 40308 | 40299 | 30763 | 30713 | 30724 | 20356 | 20350 | |||||||||||||||||||||||
2020-05-19 09:35 |
MDT |
K |
WS |
USGS-WRD |
42.0 | 5.8 | 13.0 | 228 | 5 | 2.97 | 186 | 0.00001 | 7.9 | 8.1 | 2.0 | 2.82 | 91.0 | 5 | 28.0 | 5.11 | 1.97 | 0.09 | 4 | 1.03 | 1.14 | 9.42 | 0.29 | 9.47 | 2.2 | 3.7 | < 0.030 | 0.11 | 1.2 | 11.3 | 672 | 13.0 | < 0.020 | 1.64 | 47.4 | 2.78 | < 2.0 | 23 | 85.8 | 0.91 | 6.5 | 0.2 | 0.3 | 1001 | E 12 | 108 | 0.15 | 72 | 10.00 | 3 | 5 | 44 | 20 | 3052 | 10 | 2 | 188 | 0.1885 | 0.0533 | 40308 | 40311 | 30763 | 30811 | 30724 | 20419 | 20353 | 20350 | 10063 | 20201000 | |||||||||||||||||||
2020-06-02 09:20 |
MDT |
K |
WS |
USGS-WRD |
42.0 | 5.3 | 14.5 | 457 | 5 | 3.71 | 131 | 0.00002 | 7.8 | 8.0 | 1.7 | 2.48 | 65.8 | 8 | 20.6 | 3.48 | 1.50 | 0.08 | 5 | 0.66 | 0.49 | 8.83 | 0.27 | 8.82 | 2.0 | 2.6 | 0.030 | 0.05 | 1.4 | 4.6 | 224 | 14.2 | 0.021 | 1.14 | 17.0 | 3.99 | 3.0 | 9 | 57.7 | 1.13 | 13 | 0.4 | 0.5 | 1001 | E 4.0 | 79 | 0.11 | 54 | 10.00 | 3 | 5 | 14 | 20 | 3052 | 10 | 2 | 132 | 0.0554 | 0.0256 | 40308 | 40311 | 30763 | 30811 | 30831 | 20419 | 20350 | 10063 | 20201000 | ||||||||||||||||||||
2020-07-13 16:05 |
MDT |
K |
WS |
USGS-WRD |
23.0 | 12.3 | 22.0 | 251 | 8 | 3.07 | 188 | M | 8.4 | 8.2 | 0.7 | 1.36 | 92.3 | 4 | 28.0 | 5.45 | 2.09 | 0.09 | 5 | 0.81 | 1.12 | 11.7 | 0.36 | 9.87 | 1.9 | 2.3 | < 0.030 | 0.04 | 1.1 | 2.2 | 66.2 | < 10.0 | < 0.020 | 0.18 | 7.0 | 3.12 | < 2.0 | 6 | 88.2 | 0.94 | 7.1 | 0.2 | 1001 | < 2.0 | 112 | 0.15 | 71 | 10.00 | 3 | 5 | 2 | 10 | 3044 | 10 | 2 | 190 | 0.0056 | 0.0016 | 40312 | 40311 | 30763 | 30811 | 30831 | 20419 | 20350 | 10063 | 20201000 | |||||||||||||||||||||
2020-08-18 09:35 |
MDT |
K |
WS |
USGS-WRD |
22.0 | 10.7 | 20.5 | 125 | 11 | 2.49 | 250 | 0.00001 | 8.1 | 8.3 | 1.9 | 1.00 | 128 | 15 | 38.3 | 7.77 | 3.11 | 0.12 | 5 | 1.31 | 1.46 | 13.3 | 0.37 | 11.4 | 4.0 | 4.3 | < 0.030 | < 0.03 | 0.76 | 2.5 | 48.4 | < 10.0 | < 0.020 | 0.13 | 4.5 | 0.95 | < 2.0 | 3 | 113 | 0.76 | 3.5 | 0.1 | 1001 | < 2.0 | 145 | 0.20 | 69 | 10.00 | 3 | 5 | 2 | 10 | 3044 | 10 | 2 | 248 | 0.0049 | 0.0015 | 40312 | 40311 | 30763 | 30811 | 30831 | 20419 | 20379 | 20350 | 10063 | 20201000 | ||||||||||||||||||||
2020-10-14 09:40 |
MDT |
K |
WS |
USGS-WRD |
29.0 | 5.0 | 5.0 | 113 | 12 | 2.46 | 291 | 0.00001 | 8.0 | 8.2 | 2.5 | 0.97 | 134 | 7 | 39.8 | 8.38 | 3.09 | 0.12 | 5 | 1.26 | 1.67 | 13.9 | 0.37 | 11.1 | 2.1 | 2.1 | < 0.030 | < 0.03 | 0.79 | 1.6 | 92.6 | 7.0 | < 0.020 | 0.24 | 5.5 | 0.80 | < 2.0 | 5 | 127 | 0.75 | 3.2 | 0.2 | 1001 | < 2.0 | 156 | 0.21 | 68 | 10.00 | 3 | 5 | 5 | 10 | 3045 | 10 | 2 | 269 | 0.0131 | 0.0042 | 40312 | 40311 | 30763 | 30811 | 30831 | 20419 | 20398 | 10063 | 20201000 | |||||||||||||||||||||
2021-04-13 08:55 |
MDT |
K |
WS |
USGS-WRD |
25.0 | 1.6 | -0.5 | 75 | 12 | 2.16 | 277 | 0.00001 | 8.2 | 8.4 | 1.8 | 0.77 | 140 | 8 | 40.8 | 9.11 | 3.70 | 0.14 | 5 | 1.29 | 1.56 | 15.6 | 0.38 | 11.4 | 2.0 | 2.0 | 0.030 | < 0.03 | 0.49 | 1.1 | 45.5 | < 5.0 | < 0.020 | 0.13 | 2.7 | 0.52 | < 2.0 | < 2 | 131 | 0.66 | 2.1 | 0.3 | 1001 | < 2.0 | 163 | 0.22 | 79 | 10.00 | 3 | 5 | 2 | 10 | 3044 | 10 | 2 | 278 | 0.0053 | 0.0011 | 40325 | 40327 | 30862 | 30870 | 30861 | 20480 | 20422 | 10063 | 20211000 | |||||||||||||||||||||
2021-05-18 10:00 |
MDT |
K |
WS |
USGS-WRD |
40.0 | 6.1 | 17.0 | 211 | 4 | 2.90 | 173 | 0.00001 | 8.0 | 8.3 | 1.4 | 2.22 | 85.0 | 6 | 26.3 | 4.68 | 1.84 | 0.09 | 4 | 0.87 | 0.83 | 10.2 | 0.28 | 8.91 | 1.3 | 2.5 | < 0.030 | 0.09 | 1.1 | 7.2 | 524 | 9.2 | < 0.020 | 1.27 | 32.6 | 2.31 | < 2.0 | 15 | 79.3 | 0.88 | 6.0 | 0.2 | 0.5 | 1001 | E 8.6 | 101 | 0.14 | 74 | 10.00 | 3 | 5 | 32 | 20 | 3052 | 10 | 2 | 175 | 0.0980 | 0.0257 | 40325 | 40332 | 30914 | 30870 | 30922 | 20480 | 20468 | 20529 | 10067 | 20211000 | |||||||||||||||||||
2021-06-08 09:00 |
MDT |
K |
WS |
USGS-WRD |
25.0 | 6.8 | 15.0 | 244 | 12 | 2.97 | 154 | 0.00002 | 7.7 | 8.2 | 2.7 | 1.94 | 72.3 | 22.5 | 3.93 | 1.69 | 0.09 | 5 | 0.74 | 0.83 | 7.22 | 0.27 | 8.80 | 1.6 | 2.0 | < 0.030 | 0.03 | 0.90 | 2.3 | 115 | 9.2 | < 0.020 | 0.30 | 8.0 | 1.20 | < 2.0 | 4 | 73.4 | 0.91 | 6.9 | 0.3 | 1001 | E 2.1 | 90 | 0.12 | 67 | 10.00 | 3 | 5 | 6 | 10 | 3044 | 10 | 2 | 153 | 0.0144 | 0.0047 | 40325 | 40332 | 30914 | 30870 | 30922 | 20480 | 20529 | 10067 | 20211000 | ||||||||||||||||||||||
2021-07-13 09:00 |
MDT |
K |
WS |
USGS-WRD |
23.0 | 11.0 | 19.5 | 105 | 8 | 2.30 | 242 | 0.00001 | 8.1 | 8.3 | 1.6 | 0.97 | 116 | 1 | 35.2 | 6.78 | 2.92 | 0.12 | 5 | 1.04 | 1.15 | 13.2 | 0.39 | 10.3 | 3.3 | 3.3 | 0.036 | < 0.03 | 0.79 | 1.6 | 62.5 | 6.0 | < 0.020 | 0.18 | 4.4 | 0.82 | < 2.0 | 3 | 114 | 0.70 | 3.0 | 0.1 | 1001 | < 2.0 | 140 | 0.19 | 78 | 10.00 | 3 | 5 | 3 | 10 | 3044 | 10 | 2 | 242 | 0.0077 | 0.0017 | 40336 | 40332 | 30914 | 30870 | 30922 | 20480 | 20468 | 20529 | 10067 | 20211000 | ||||||||||||||||||||
2021-08-17 09:00 |
MDT |
K |
WS |
USGS-WRD |
22.0 | 11.1 | 19.0 | 1 | 128 | 10 | 2.45 | 234 | 0.00001 | 8.2 | 8.2 | 1.5 | 115 | 7 | 34.5 | 7.09 | 2.80 | 0.11 | 5 | 1.25 | 1.14 | 13.0 | 0.35 | 9.49 | 2.5 | 2.5 | < 0.030 | < 0.03 | 0.73 | 2.0 | 76.4 | 8.2 | < 0.020 | 0.18 | 5.3 | 0.65 | < 2.0 | 2 | 109 | 0.75 | 3.6 | 1001 | 135 | 0.18 | 10.00 | 100.0 | 3 | 5 | 10 | 3044 | 10 | 2 | 233 | 40336 | 40332 | 30926 | 30870 | 30922 | 30857 | 20480 | 20468 | 20529 | 81818 | 10067 | 20211000 | |||||||||||||||||||||||
2021-10-13 09:30 |
MST |
K |
WS |
USGS-WRD |
29.0 | 3.7 | 1.0 | 1 | 81 | 17 | 2.16 | 272 | 0.00001 | 7.9 | 8.2 | 3.3 | 0.76 | 140 | 8 | 40.8 | 9.27 | 3.54 | 0.13 | 5 | 1.42 | 1.30 | 15.1 | 0.38 | 11.7 | 2.2 | 2.2 | < 0.030 | < 0.03 | 0.50 | 0.9 | 33.9 | < 5.0 | < 0.020 | 0.11 | 1.9 | 0.54 | < 2.0 | < 2 | 132 | 0.66 | 2.3 | 0.1 | 1001 | < 2.0 | 163 | 0.22 | 72 | 10.00 | 80.0 | 3 | 5 | 1 | 20 | 3044 | 10 | 2 | 279 | 0.0036 | 0.0010 | 40336 | 40339 | 30926 | 30840 | 30939 | 20480 | 20468 | 10075 | 20211000 | |||||||||||||||||||
2022-04-19 07:30 |
MDT |
K |
WS |
USGS-WRD |
27.0 | 4.8 | 2.0 | 2 | 53 | 13 | 2.00 | 274 | 0.00001 | 8.1 | 0.84 | 0.61 | 1.5 | 0.1 | 1001 | < 2.0 | 63 | 10.00 | 60.0 | 3 | 5 | 2 | 10 | 3044 | 30 | 2 | 0.0054 | 0.0020 | 1 | 40340 | 40354 | 30938 | 30940 | 30878 | 20564 | 20489 | 10072 | |||||||||||||||||||||||||||||||||||||||||||||||||||
2022-05-25 07:30 |
MDT |
K |
WS |
USGS-WRD |
22.0 | 8.1 | 12.5 | 2 | 70 | 10 | 2.14 | 248 | 0.00001 | 8.1 | 1.21 | 0.65 | 2.0 | 0.2 | 1001 | < 2.0 | 65 | 10.00 | 100.0 | 3 | 5 | 4 | 10 | 3044 | 30 | 2 | 0.0095 | 0.0033 | 40360 | 40354 | 30938 | 30940 | 30929 | 20564 | 20468 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||||||||||
2022-06-08 07:30 |
MDT |
K |
WS |
USGS-WRD |
30.0 | 6.3 | 8.5 | 2 | 199 | 10 | 2.87 | 151 | 0.00002 | 7.8 | 2.18 | 0.87 | 5.6 | 0.5 | 1001 | E 2.5 | 10.00 | 150.0 | 3 | 5 | 9 | 10 | 3044 | 30 | 2 | 0.0298 | 40360 | 40357 | 30978 | 30940 | 30929 | 20564 | 20468 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
2022-07-13 07:20 |
MDT |
K |
WS |
USGS-WRD |
25.0 | 12.3 | 17.0 | 132 | 18 | 2.65 | 185 | 0.00002 | 7.8 | 1.14 | 0.81 | 3.7 | 0.4 | 1001 | < 2.0 | 73 | 10.00 | 80.0 | 3 | 5 | 4 | 10 | 3044 | 30 | 2 | 0.0108 | 0.0029 | 1 | 40363 | 40357 | 30978 | 30940 | 30929 | 20582 | 20523 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||||||||||
2022-08-17 08:30 |
MDT |
K |
WS |
USGS-WRD |
10.5 | 63 | 10 | 2.16 | 245 | 0.00001 | 8.1 | 1.07 | 0.66 | 1.8 | 1001 | < 2.0 | 65 | 10.00 | 5.0 | 3 | 5 | 3 | 10 | 3044 | 20 | 2 | 0.0065 | 0.0023 | 1 | 40363 | 40357 | 10075 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2022-10-05 08:00 |
MDT |
K |
WS |
USGS-WRD |
28.8 | 7.1 | 5.1 | 0.0 | 67 | 10 | 2.23 | 228 | 0.00001 | 8.1 | 0.98 | 0.68 | 1.9 | 1001 | < 2.0 | 62 | 10.00 | 80.0 | 3 | 5 | 2 | 10 | 3044 | 20 | 2 | 0.0040 | 0.0025 | 0.0015 | 1 | 40363 | 40368 | 10079 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2023-03-21 16:30 |
MDT |
K |
WS |
USGS-WRD |
19.1 | 7.1 | 625 | 1 | 42 | 10 | 1.94 | 625 | M | 8.7 | 8.4 | 0.5 | 1.5 | 152 | 0.72 | 136 | 9 | 39.3 | 9.15 | 4.38 | 0.16 | 6 | 1.38 | 2.45 | 14.9 | 0.41 | 11.0 | 2.1 | 2.5 | < 0.030 | < 0.03 | 0.62 | 1.4 | 56.2 | < 5.0 | < 0.020 | 0.17 | 2.6 | 0.69 | < 2.0 | 2 | 0.59 | 1.2 | 127 | 1001 | < 2.0 | 1.8 | 159 | 0.22 | 61 | M | 10.00 | 1.0 | 3 | 5 | 2 | 10 | 3044 | 2 | 282 | 0.0064 | 0.0039 | 0.0025 | 1 | 40381 | 40382 | 20587 | 10078 | 20230000 | |||||||||||||||||||
2023-05-10 07:45 |
MDT |
K |
WS |
USGS-WRD |
28.9 | 4.3 | 632 | 1 | 141 | 10 | 2.61 | 199 | 0.00001 | 8.2 | 1.2 | 0.4 | 105 | 2.32 | 0.80 | 4.0 | 87.0 | 1001 | < 2.0 | 2.4 | M | 10.00 | 100.0 | 3 | 5 | 10 | 3044 | 2 | 30 | 40375 | 40368 | 20643 | 10079 |
Water Quality Remark Code | Description |
---|---|
< | Less than |
E | Estimated |
M | Presence verified but not quantified |