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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.
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.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) |
Weather WMO code (00041) |
Instan- taneous dis- charge, ft3/s (00061) |
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) |
Organic carbon, water, fltrd, mg/L (00681) |
Hard- ness, water, mg/L as CaCO3 (00900) |
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, instan- taneous m3/s (30209) |
Transit rate, sampler ft/s (50015) |
Site visit purpose code (50280) |
Turbdty white light, det ang 90+/-30 corrctd NTRU (63676) |
Dis- solved solids, sum of consti- tuents, mg/L (70301) |
Dis- solved solids, water, ton/d (70302) |
Dis- solved solids, water, tons/ acre-ft (70303) |
Suspnd. sedimnt sieve diametr percent <0.0625 mm (70331) |
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) |
Sus- pended sedi- ment dis- charge, ton/d (80155) |
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) |
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) |
0.45 um capsule filter NWIS lot number (99206) |
Julian date, in- bottle diges- tion, ddd (99870) |
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2019-10-08 11:45 |
MDT |
K |
WS |
USGS-WRD |
16.0 | 9.0 | 17.0 | 55 | 14 | 1.96 | 525 | 0.00001 | 8.3 | 8.3 | 1.7 | 1.36 | 258 | 85 | 75.2 | 17.0 | 9.84 | 0.27 | 8 | 1.95 | 4.48 | 108 | 0.48 | 14.8 | 8.4 | 8.7 | < 0.030 | 0.03 | 1.3 | 3.2 | 58.9 | < 10.0 | 0.022 | 0.21 | 6.8 | 4.27 | < 6.0 | 2 | 173 | 0.60 | 1.6 | 0.3 | 1001 | E 2.1 | 335 | 50.1 | 0.46 | 74 | 3 | 5 | 23 | 3.4 | 2.90 | 10 | 3044 | 10 | 2 | 534 | 0.0651 | 0.0167 | 40286 | 40295 | 30715 | 30656 | 30724 | 20356 | 20350 | 10062 | ||||||||
2020-03-25 13:20 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 4.7 | 4.5 | 48 | 18 | 556 | 0.00001 | 8.2 | 8.2 | 2.1 | 1.10 | 279 | 97 | 80.8 | 18.8 | 11.0 | 0.29 | 8 | 2.06 | 4.93 | 123 | 0.46 | 15.6 | 8.9 | 9.8 | 0.032 | 0.07 | 1.1 | 8.5 | 237 | < 10.0 | 0.036 | 1.02 | 17.7 | 7.50 | < 2.0 | 6 | 182 | 1.4 | 0.3 | 1001 | E 3.2 | 366 | 47.7 | 0.50 | 71 | 3 | 5 | 14 | 1.8 | 10 | 3044 | 10 | 2 | 570 | 0.0366 | 0.0107 | 40286 | 40299 | 30763 | 30713 | 30724 | 20356 | 20350 | 10062 | |||||||||||
2020-04-14 12:50 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 5.4 | 6.7 | 56 | 12 | 559 | 0.00001 | 8.3 | 8.2 | 1.9 | 1.17 | 287 | 108 | 82.3 | 19.9 | 11.5 | 0.29 | 8 | 2.10 | 5.01 | 120 | 0.47 | 16.4 | 7.5 | 9.4 | < 0.060 | 0.08 | 1.3 | 10.7 | 278 | < 10.0 | 0.033 | 1.21 | 20.8 | 10.2 | < 4.0 | 7 | 180 | 1.6 | 0.4 | 1001 | E 4.0 | 365 | 54.8 | 0.50 | 75 | 3 | 5 | 19 | 2.9 | 10 | 3044 | 10 | 2 | 565 | 0.0472 | 0.0118 | 40308 | 40299 | 30763 | 30713 | 30724 | 20356 | 20350 | 10062 | |||||||||||
2020-05-06 13:30 |
MDT |
K |
WS |
USGS-WRD |
17.0 | 9.9 | 15.0 | 41 | 17 | 607 | M | 8.3 | 8.4 | 1.6 | 1.08 | 304 | 122 | 87.5 | 20.8 | 12.2 | 0.30 | 8 | 2.08 | 4.91 | 148 | 0.40 | 15.6 | 7.4 | 7.6 | < 0.030 | 0.06 | 0.97 | 8.7 | 220 | < 10.0 | 0.037 | 0.87 | 18.5 | 9.05 | < 2.0 | 4 | 182 | 1.2 | 0.2 | 1001 | E 2.9 | 400 | 44.7 | 0.54 | 56 | 3 | 5 | 26 | 2.9 | 10 | 3044 | 200 | 611 | 0.0498 | 0.0219 | 40308 | 40311 | 30763 | 30811 | 30724 | 20419 | 20353 | 20350 | 10062 | |||||||||||
2020-05-19 12:40 |
MDT |
K |
WS |
USGS-WRD |
12.0 | 11.2 | 12.0 | 30 | 10 | 646 | M | 8.3 | 8.3 | 1.7 | 2.20 | 337 | 152 | 97.0 | 23.0 | 12.6 | 0.30 | 7 | 2.30 | 5.49 | 166 | 0.47 | 16.9 | 11.0 | 12.6 | < 0.030 | 0.09 | 2.0 | 18.2 | 248 | 12.6 | 0.038 | 0.98 | 24.6 | 15.2 | < 6.0 | 7 | 186 | 0.85 | 0.2 | 1001 | E 3.8 | 435 | 35.3 | 0.59 | 63 | 3 | 5 | 27 | 2.2 | 10 | 3044 | 10 | 2 | 649 | 0.0681 | 0.0250 | 40308 | 40311 | 30763 | 30811 | 30724 | 20419 | 20353 | 20350 | 10063 | 20201000 | |||||||||
2020-06-02 11:15 |
MDT |
K |
WS |
USGS-WRD |
14.0 | 11.8 | 20.0 | 25 | 12 | 493 | M | 8.3 | 8.3 | 1.3 | 1.96 | 258 | 109 | 75.6 | 16.8 | 9.32 | 0.25 | 7 | 1.74 | 3.80 | 112 | 0.40 | 14.7 | 10.6 | 10.0 | < 0.030 | 0.04 | 1.9 | 6.8 | 159 | 10.9 | 0.047 | 0.59 | 13.5 | 7.86 | < 2.0 | 3 | 150 | 0.70 | 0.2 | 1001 | E 3.6 | 324 | 21.7 | 0.44 | 87 | 3 | 5 | 6 | 0.40 | 10 | 3044 | 10 | 2 | 500 | 0.0161 | 0.0021 | 40308 | 40311 | 30763 | 30811 | 30831 | 20419 | 20350 | 10063 | 20201000 | ||||||||||
2020-07-14 11:15 |
MDT |
K |
WS |
USGS-WRD |
16.0 | 12.4 | 32 | 14 | 543 | M | 8.4 | 8.3 | 1.4 | 1.28 | 285 | 121 | 82.2 | 19.5 | 10.1 | 0.26 | 7 | 1.79 | 4.37 | 129 | 0.43 | 15.4 | 7.7 | 8.7 | < 0.030 | 0.03 | 1.6 | 3.8 | 70.2 | < 10.0 | 0.023 | 0.25 | 8.9 | 6.11 | < 2.0 | 3 | 164 | 0.92 | 0.2 | 1001 | < 2.0 | 361 | 31.6 | 0.49 | 48 | 3 | 5 | 18 | 1.6 | 10 | 3044 | 10 | 2 | 549 | 0.0303 | 0.0159 | 40312 | 40311 | 30763 | 30811 | 30831 | 20419 | 20379 | 20350 | 10063 | 20201000 | ||||||||||
2020-08-18 12:20 |
MDT |
K |
WS |
USGS-WRD |
14.0 | 15.3 | 29.0 | 34 | 12 | 526 | M | 8.4 | 8.4 | 1.3 | 1.36 | 276 | 109 | 78.9 | 19.2 | 11.4 | 0.30 | 8 | 2.02 | 4.26 | 110 | 0.47 | 16.3 | 9.6 | 9.5 | < 0.030 | < 0.03 | 1.6 | 5.6 | 69.7 | < 10.0 | 0.027 | 0.31 | 6.7 | 3.85 | < 2.0 | 3 | 167 | 0.95 | 0.1 | 1001 | < 2.0 | 343 | 31.1 | 0.47 | 77 | 3 | 5 | 9 | 0.82 | 10 | 3044 | 10 | 2 | 528 | 0.0159 | 0.0037 | 40312 | 40311 | 30763 | 30811 | 30831 | 20419 | 20379 | 20350 | 10063 | 20201000 | |||||||||
2020-10-14 12:15 |
MDT |
K |
WS |
USGS-WRD |
14.0 | 5.4 | 8.0 | 14 | 511 | 0.00001 | 8.2 | 8.2 | 2.2 | 1.83 | 246 | 77 | 71.8 | 16.2 | 9.27 | 0.26 | 7 | 2.46 | 4.90 | 92.8 | 0.48 | 15.0 | 9.6 | 9.1 | < 0.030 | < 0.03 | 1.7 | 3.0 | 51.6 | 8.5 | 0.021 | 0.20 | 5.6 | 3.87 | < 2.0 | 2 | 169 | 0.2 | 1001 | < 2.0 | 314 | 0.43 | 64 | 3 | 5 | 1 | 10 | 3045 | 10 | 497 | 0.0025 | 0.0009 | 40312 | 40322 | 30763 | 30811 | 30831 | 20419 | 20398 | 10063 | 20201000 | |||||||||||||||
2021-03-23 11:30 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 3.5 | 1.5 | 16 | 554 | 0.00001 | 8.0 | 8.3 | 3.6 | 1.07 | 287 | 113 | 83.2 | 19.3 | 11.4 | 0.29 | 8 | 1.97 | 7.36 | 117 | 0.47 | 16.4 | 7.8 | 9.1 | < 0.030 | 0.07 | 0.90 | 9.5 | 264 | 6.7 | 0.029 | 1.17 | 21.4 | 11.0 | < 2.0 | 6 | 174 | 0.2 | 1001 | E 4.8 | 361 | 0.49 | 81 | 3 | 5 | 12 | 10 | 3044 | 10 | 2 | 557 | 0.0191 | 0.0037 | 40325 | 40327 | 30862 | 30870 | 30861 | 20451 | 20398 | 10063 | 20210000 | ||||||||||||||
2021-04-13 12:15 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 2.8 | 5.0 | 9 | 540 | 0.00001 | 8.2 | 8.3 | 1.9 | 0.99 | 271 | 98 | 78.4 | 18.4 | 10.8 | 0.28 | 8 | 1.92 | 4.37 | 108 | 0.46 | 15.8 | 4.9 | 6.2 | < 0.030 | 0.08 | 0.64 | 11.5 | 324 | 5.7 | 0.022 | 1.37 | 21.0 | 11.1 | < 2.0 | 7 | 174 | 0.2 | 1001 | E 4.8 | 343 | 0.47 | 59 | 3 | 5 | 33 | 10 | 3044 | 10 | 2 | 451 | 0.0831 | 0.0344 | 40325 | 40327 | 30862 | 30870 | 30861 | 20480 | 20422 | 10063 | 20211000 | ||||||||||||||
2021-05-05 11:30 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 8.4 | 15.0 | 12 | 568 | M | 8.3 | 8.4 | 1.6 | 1.30 | 296 | 121 | 86.1 | 19.8 | 10.8 | 0.27 | 7 | 2.09 | 4.75 | 135 | 0.43 | 15.3 | 6.4 | 7.5 | < 0.030 | 0.06 | 1.1 | 8.7 | 248 | 6.6 | 0.032 | 1.01 | 19.5 | 9.82 | < 2.0 | 5 | 176 | 0.3 | 1001 | E 4.0 | 379 | 0.52 | 45 | 3 | 5 | 30 | 10 | 3044 | 10 | 2 | 572 | 0.0487 | 0.0266 | 40325 | 40327 | 30914 | 30870 | 30861 | 20480 | 20404 | 10067 | 20211000 | ||||||||||||||
2021-05-18 13:00 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 12.8 | 16.0 | 9 | 586 | M | 8.5 | 8.4 | 1.0 | 1.27 | 308 | 133 | 89.4 | 20.5 | 13.0 | 0.32 | 8 | 2.15 | 4.65 | 144 | 0.43 | 16.9 | 6.1 | 6.5 | < 0.030 | 0.04 | 1.0 | 5.4 | 147 | 5.3 | 0.028 | 0.58 | 14.9 | 9.04 | < 2.0 | 3 | 175 | 0.1 | 1001 | E 11 | 396 | 0.54 | 35 | 3 | 5 | 23 | 10 | 3044 | 10 | 2 | 585 | 0.0388 | 0.0252 | 40325 | 40332 | 30914 | 30870 | 30922 | 20480 | 20468 | 20529 | 10067 | 20211000 | |||||||||||||
2021-06-08 11:45 |
MDT |
K |
WS |
USGS-WRD |
15.0 | 11.4 | 17.0 | 15 | 526 | M | 8.5 | 8.4 | 1.0 | 1.48 | 261 | 97 | 75.5 | 17.5 | 9.55 | 0.26 | 7 | 1.81 | 3.98 | 124 | 0.41 | 14.6 | 7.9 | 8.4 | < 0.030 | < 0.03 | 1.6 | 4.0 | 90.5 | 7.7 | 0.032 | 0.35 | 10.2 | 7.23 | < 2.0 | 3 | 164 | 0.1 | 1001 | E 2.4 | 346 | 0.47 | 79 | 3 | 5 | 20 | 10 | 3044 | 10 | 2 | 529 | 0.0333 | 0.0069 | 40336 | 40332 | 30914 | 30870 | 30922 | 20480 | 20529 | 10067 | 20211000 | ||||||||||||||
2021-07-13 11:30 |
MDT |
K |
WS |
USGS-WRD |
10.0 | 16.0 | 23.0 | 1 | 535 | 0.00001 | 8.3 | 8.3 | 2.1 | 2.09 | 217 | 0.0 | 52.7 | 20.8 | 33.2 | 0.98 | 25 | 3.74 | 5.36 | 70.1 | 0.85 | 14.5 | 7.9 | 7.7 | < 0.030 | < 0.03 | 1.7 | 3.2 | 53.6 | 10.5 | 0.044 | 0.19 | 7.3 | 5.53 | < 2.0 | < 2 | 216 | 1001 | < 2.0 | 331 | 0.45 | 90 | 3 | 5 | 8 | 70 | 3044 | 10 | 2 | 537 | 0.0130 | 0.0013 | 40332 | 40332 | 30914 | 30870 | 30922 | 20480 | 20468 | 20529 | 10067 | 20211000 | ||||||||||||||
2021-10-13 13:15 |
MST |
K |
WS |
USGS-WRD |
18.0 | 4.9 | 6.0 | 2 | 50 | 12 | 1.96 | 514 | M | 8.3 | 8.3 | 1.5 | 1.01 | 264 | 94 | 76.4 | 17.9 | 10.3 | 0.28 | 8 | 2.09 | 4.63 | 105 | 0.41 | 15.9 | 4.6 | 5.2 | < 0.030 | 0.05 | 0.73 | 5.4 | 151 | 5.4 | < 0.020 | 0.63 | 11.4 | 6.67 | < 2.0 | 4 | 170 | 0.60 | 1.4 | 0.1 | 1001 | E 2.6 | 334 | 45.0 | 0.45 | 71 | 3 | 5 | 17 | 2.3 | 10 | 3044 | 10 | 2 | 529 | 0.0286 | 0.0082 | 40336 | 40339 | 30926 | 30840 | 30939 | 20480 | 20468 | 10075 | 20211000 | |||||||
2022-03-23 10:45 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 7.2 | 12.0 | 1 | 17 | 556 | 0.00001 | 8.2 | 0.85 | 0.1 | 1001 | E 6.2 | 63 | 10.00 | 20.0 | 3 | 5 | 32 | 10 | 3044 | 30 | 2 | 0.1067 | 0.0393 | 1 | 40340 | 40354 | 30938 | 30940 | 30878 | 20564 | 20489 | 10072 | |||||||||||||||||||||||||||||||||||||||||||
2022-04-19 11:45 |
MDT |
K |
WS |
USGS-WRD |
18.0 | 6.7 | 8.0 | 1 | 17 | 557 | M | 8.3 | 0.94 | 0.1 | 1001 | E 4.7 | 70 | 10.00 | 10.0 | 3 | 5 | 30 | 10 | 3044 | 30 | 2 | 0.0861 | 0.0255 | 1 | 40340 | 40354 | 30938 | 30940 | 30878 | 20564 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||
2022-05-04 10:15 |
MDT |
K |
WS |
USGS-WRD |
13.0 | 9.1 | 0.0 | 17 | 539 | 0.00001 | 8.3 | 1.23 | 0.1 | 1001 | E 4.8 | 49 | 10.00 | 10.0 | 3 | 5 | 39 | 10 | 3044 | 30 | 2 | 0.1021 | 0.0520 | 1 | 40360 | 40354 | 30938 | 30940 | 30929 | 20564 | 20468 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||
2022-05-25 11:00 |
MDT |
K |
WS |
USGS-WRD |
20.0 | 13.9 | 1 | 10 | 600 | M | 8.4 | 1.11 | 1001 | < 2.0 | 37 | 10.00 | 10.0 | 3 | 5 | 16 | 70 | 3044 | 30 | 2 | 0.0343 | 0.0215 | 40360 | 40354 | 30938 | 30940 | 30929 | 20564 | 20468 | 20489 | 10075 | |||||||||||||||||||||||||||||||||||||||||||||
2022-06-08 10:45 |
MDT |
K |
WS |
USGS-WRD |
20.0 | 10.2 | 17.0 | 2 | 15 | 588 | M | 8.3 | 1.63 | 1001 | < 2.0 | 10.00 | 10.0 | 3 | 5 | 10 | 3044 | 30 | 2 | 40363 | 40357 | 30978 | 30940 | 30929 | 20564 | 20468 | 20489 | 10075 | ||||||||||||||||||||||||||||||||||||||||||||||||
2022-07-13 11:40 |
MDT |
K |
WS |
USGS-WRD |
0.38 | 18.6 | 23.0 | 15 | 589 | M | 8.4 | 0.4 | 1001 | < 2.0 | 10.00 | 3 | 5 | 10 | 3044 | 30 | 2 | 1 | 40363 | 40357 | 30978 | 30940 | 30929 | 20582 | 20523 | 20489 | 10075 |
Water Quality Remark Code | Description |
---|---|
< | Less than |
E | Estimated |
M | Presence verified but not quantified |