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Water Quality Samples for Wyoming
Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.
UPDATED July 25, 2022: Funding has been provided to continue operating the following stations through the end of this water year, but they are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured: 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 |
Temper- ature, water, deg C (00010) |
Temper- ature, air, deg C (00020) |
Baro- metric pres- sure, mm Hg (00025) |
Instan- taneous dis- charge, ft3/s (00061) |
Gage height, feet (00065) |
Specif- ic conduc- tance, wat unf uS/cm @ 25 degC (00095) |
Hydro- gen ion, water, unfltrd calcd, mg/L (00191) |
Dis- solved oxygen, mg/L (00300) |
Dis- solved oxygen, percent of sat- uration (00301) |
pH, water, unfltrd field, std units (00400) |
Carbon dioxide water, unfltrd mg/L (00405) |
pH, water, fltrd, lab, std units (00408) |
Organic nitro- gen, water, fltrd, mg/L (00607) |
Ammonia water, fltrd, mg/L as N (00608) |
Nitrite water, fltrd, mg/L as N (00613) |
Nitrate water, fltrd, mg/L as N (00618) |
Nitrate + nitrite water, fltrd, mg/L as N (00631) |
Ortho- phos- phate, water, fltrd, mg/L (00660) |
Ortho- phos- phate, water, fltrd, mg/L as P (00671) |
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) |
Gage height above datum meters (30207) |
Dis- charge, instan- taneous m3/s (30209) |
Alka- linity, wat flt inf tit lab, mg/L as CaCO3 (39087) |
Site visit purpose code (50280) |
Total nitro- gen, wat flt by anal ysis, mg/L (62854) |
Dis- solved solids dried @ 180degC wat flt mg/L (70300) |
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) |
Ammonia water, fltrd, mg/L (71846) |
Nitrate water, fltrd, mg/L (71851) |
Nitrite water, fltrd, mg/L as NO2 (71856) |
Sample purpose code (71999) |
Sam- pling method, code (82398) |
Sampler type, code (84164) |
Specif. conduc- tance, wat unf lab, uS/cm @ 25 degC (90095) |
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) |
0.45 um capsule filter NWIS lot number (99206) |
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2019-10-31 12:00 |
MDT |
K |
WS |
USGS-WRD |
1.1 | 5.0 | 37 | 2.59 | 19 | 7.3 | 0.02 | 0.01 | < 0.001 | 0.051 | 0.05 | < 0.012 | < 0.004 | 1.00 | 7.44 | 0.0 | 2.54 | 0.266 | 0.58 | 0.09 | 14 | 0.442 | 0.16 | 1.38 | 0.02 | 1.73 | 0.79 | 1.0 | 6.6 | 1001 | 0.08 | < 20 | 11 | 1.12 | 0.02 | 0.016 | 0.224 | < 0.003 | 15.00 | 30 | 3044 | 19 | 10 | |||||||||
2020-05-19 13:00 |
MDT |
K |
WS |
USGS-WRD |
5.1 | 11.0 | 580 | 3.80 | 18 | 0.00009 | 9.6 | 99 | 7.0 | 1.2 | 7.3 | < 0.11 | < 0.01 | < 0.001 | 0.034 | 0.03 | < 0.012 | < 0.004 | 2.54 | 6.99 | 0.0 | 2.37 | 0.263 | 0.58 | 0.10 | 14 | 0.432 | 0.18 | 1.13 | 0.02 | 2.70 | 1.16 | 6.4 | 1001 | 0.14 | < 26 | 12 | 0.02 | < 0.013 | 0.149 | < 0.003 | 15.00 | 30 | 3045 | 18 | 1 | 40286 | 40295 | 10055 | |||
2020-05-19 13:30 |
MDT |
K |
WS |
USGS-WRD |
7.3 | 0.08 | 0.02 | < 0.001 | 0.031 | 0.03 | < 0.012 | < 0.004 | 2.87 | 7.32 | 0.0 | 2.48 | 0.276 | 0.57 | 0.09 | 14 | 0.443 | 0.20 | 1.11 | 0.02 | 2.84 | 6.5 | 1001 | 0.13 | < 27 | 12 | 0.02 | 0.024 | 0.137 | < 0.003 | 15.00 | 50 | 4115 | 18 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-05-28 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.0 | 0.09 | 0.01 | < 0.001 | 0.046 | 0.05 | < 0.012 | < 0.004 | 2.24 | 6.01 | 0.0 | 2.01 | 0.238 | 0.50 | 0.09 | 14 | 0.397 | 0.17 | 1.03 | 0.01 | 2.28 | 5.2 | 1001 | 0.15 | < 27 | 10 | 0.01 | 0.018 | 0.202 | < 0.003 | 15.00 | 50 | 4115 | 15 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-06-05 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.2 | < 0.08 | < 0.01 | < 0.001 | 0.046 | 0.05 | < 0.012 | < 0.004 | 2.19 | 5.85 | 0.0 | 1.96 | 0.229 | 0.49 | 0.09 | 14 | 0.368 | 0.15 | 0.99 | 0.01 | 2.20 | 5.0 | 1001 | 0.13 | < 28 | 10 | 0.01 | < 0.013 | 0.206 | < 0.003 | 15.00 | 50 | 4115 | 15 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-06-10 13:45 |
MDT |
K |
WS |
USGS-WRD |
6.5 | 20.0 | 588 | 4.07 | 14 | 0.00001 | 9.5 | 100 | 7.9 | 0.1 | 7.3 | < 0.07 | < 0.01 | < 0.001 | 0.045 | 0.04 | < 0.012 | < 0.004 | 1.90 | 6.07 | 0.0 | 2.04 | 0.237 | 0.49 | 0.09 | 14 | 0.373 | 0.15 | 1.02 | 0.01 | 2.22 | 1.24 | 5.3 | 1001 | 0.11 | < 29 | 10 | 0.01 | < 0.013 | 0.198 | < 0.003 | 15.00 | 30 | 3045 | 15 | 1 | 40286 | 40295 | 10063 | |||
2020-06-17 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.3 | 0.08 | 0.04 | < 0.001 | 0.044 | 0.04 | < 0.012 | < 0.004 | 1.80 | 5.56 | 0.0 | 1.86 | 0.220 | 0.46 | 0.08 | 14 | 0.364 | 0.17 | 0.99 | 0.02 | 2.16 | 4.9 | 1001 | 0.16 | < 30 | 9 | 0.01 | 0.049 | 0.193 | < 0.003 | 15.00 | 50 | 4115 | 14 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-06-25 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.2 | 0.08 | 0.01 | < 0.001 | 0.038 | 0.04 | < 0.012 | < 0.004 | 1.85 | 4.87 | 0.0 | 1.63 | 0.194 | 0.41 | 0.08 | 14 | 0.319 | 0.15 | 0.87 | 0.01 | 1.91 | 4.2 | 1001 | 0.13 | < 27 | 8 | 0.01 | 0.019 | 0.170 | < 0.003 | 15.00 | 50 | 4115 | 12 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-07-07 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.2 | 0.06 | 0.01 | < 0.001 | 0.043 | 0.04 | < 0.012 | < 0.004 | 1.58 | 4.93 | 0.0 | 1.66 | 0.192 | 0.41 | 0.08 | 14 | 0.324 | 0.16 | 0.91 | 0.02 | 1.87 | 4.5 | 1001 | 0.12 | < 27 | 8 | 0.01 | 0.017 | 0.189 | < 0.003 | 15.00 | 50 | 4115 | 12 | 1 | 40312 | 40311 | 10063 | ||||||||||||||
2020-07-14 12:40 |
MDT |
K |
WS |
USGS-WRD |
12.2 | 20.0 | 586 | 363 | 3.82 | 13 | 0.00005 | 8.2 | 100 | 7.4 | 0.4 | 7.2 | < 0.06 | < 0.01 | < 0.001 | 0.041 | 0.04 | < 0.012 | < 0.004 | 1.11 | 4.79 | 0.0 | 1.61 | 0.185 | < 0.40 | < 0.08 | 0.313 | 0.13 | 0.93 | 0.01 | 1.70 | 1.16 | 10 | 4.4 | 1001 | 0.10 | < 27 | < 8 | < 26.9 | < 0.04 | < 0.013 | 0.180 | < 0.003 | 15.00 | 30 | 3045 | 12 | 1 | 40301 | 40295 | 10063 | |
2020-09-09 10:00 |
MDT |
K |
WS |
USGS-WRD |
9.8 | 10.9 | 586 | 30 | 2.54 | 17 | 0.00001 | 8.7 | 99 | 7.9 | 0.1 | 7.3 | < 0.05 | < 0.01 | < 0.001 | 0.038 | 0.04 | < 0.012 | < 0.004 | 0.88 | 6.09 | 2.06 | 0.226 | 0.46 | 0.08 | 13 | 0.412 | 0.13 | 1.26 | 0.02 | 1.44 | 0.77 | 0.86 | 6.1 | 1001 | 0.09 | < 20 | 10 | 0.81 | 0.01 | < 0.013 | 0.169 | < 0.003 | 15.00 | 30 | 3044 | 17 | 30 | ||||
2020-10-22 11:30 |
MDT |
K |
WS |
USGS-WRD |
5.1 | 4.0 | 581 | 11 | 2.25 | 20 | 0.00002 | 9.6 | 99 | 7.8 | 0.3 | 7.4 | 0.05 | 0.02 | < 0.001 | 0.050 | 0.05 | < 0.012 | < 0.004 | 0.83 | 7.52 | 0.0 | 2.56 | 0.271 | 0.62 | 0.10 | 14 | 0.466 | 0.15 | 1.50 | 0.02 | 1.87 | 0.69 | 0.32 | 7.5 | 0.12 | < 20 | 12 | 0.37 | 0.02 | 0.030 | 0.220 | < 0.003 | 15.00 | 30 | 3044 | 20 | 10 | ||||
2020-11-17 12:30 |
MST |
K |
WS |
USGS-WRD |
1.9 | 12.0 | 586 | 15 | 2.30 | 22 | 0.00008 | 11.0 | 103 | 7.1 | 1.2 | 7.4 | < 0.07 | < 0.02 | < 0.001 | 0.083 | 0.08 | < 0.012 | < 0.004 | 0.98 | 8.57 | 0.0 | 2.93 | 0.305 | 0.71 | 0.11 | 14 | 0.507 | 0.16 | 1.69 | 0.02 | 2.44 | 0.70 | 0.42 | 8.0 | 0.15 | < 20 | 14 | 0.56 | 0.02 | < 0.026 | 0.369 | < 0.003 | 15.00 | 10 | 3045 | 22 | 1 | ||||
2021-03-04 11:30 |
MST |
K |
WS |
USGS-WRD |
0.0 | 13 | 2.29 | E 17 | 7.4 | < 0.05 | < 0.02 | < 0.001 | 0.151 | 0.15 | < 0.012 | < 0.004 | 0.63 | 9.25 | 1 | 3.19 | 0.313 | 0.66 | 0.09 | 13 | 0.526 | 0.17 | 1.72 | 0.02 | 2.39 | 0.70 | 0.38 | 7.9 | 0.20 | < 20 | 14 | 0.52 | 0.02 | < 0.026 | 0.669 | < 0.003 | 15.00 | 10 | 3045 | 22 | 1 | |||||||||||
2021-05-06 10:45 |
MST |
K |
WS |
USGS-WRD |
3.0 | 10.0 | 70 | 2.88 | 15 | 7.3 | < 0.07 | < 0.02 | < 0.001 | 0.054 | 0.05 | < 0.012 | < 0.004 | 2.03 | 7.69 | 0.0 | 2.60 | 0.290 | 0.65 | 0.10 | 15 | 0.458 | 0.27 | 1.58 | 0.02 | 2.68 | 0.88 | 2.0 | 7.3 | 0.12 | < 20 | 13 | 2.49 | 0.02 | < 0.026 | 0.240 | < 0.003 | 15.00 | 30 | 3045 | 21 | 1 | ||||||||||
2021-05-22 13:00 |
MDT |
K |
WS |
USGS-WRD |
0.00005 | 7.4 | 0.6 | 7.3 | < 0.13 | < 0.02 | < 0.001 | 0.034 | 0.03 | < 0.012 | < 0.004 | 3.00 | 6.99 | 0.0 | 2.36 | 0.269 | 0.59 | 0.10 | 14 | 0.460 | 0.24 | 1.38 | 0.02 | 2.59 | 6.4 | 1001 | 0.16 | 27 | 12 | 0.04 | < 0.026 | 0.148 | < 0.003 | 15.00 | 50 | 4115 | 19 | 1 | 40336 | 40339 | 10067 | |||||||||||
2021-05-26 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.3 | < 0.10 | < 0.02 | < 0.001 | 0.027 | 0.03 | < 0.012 | < 0.004 | 2.56 | 6.75 | 0.0 | 2.28 | 0.259 | 0.56 | 0.09 | 14 | 0.451 | 0.23 | 1.29 | 0.02 | 2.67 | 6.3 | 1001 | 0.13 | 24 | 12 | 0.03 | < 0.026 | 0.120 | < 0.003 | 15.00 | 50 | 4115 | 19 | 1 | 40336 | 40339 | 10067 | ||||||||||||||
2021-06-08 12:00 |
MDT |
K |
WS |
USGS-WRD |
6.3 | 25.0 | 580 | 1470 | 5.78 | 13 | 0.00062 | 9.6 | 102 | 6.2 | 5.4 | 7.2 | < 0.08 | < 0.02 | < 0.001 | 0.092 | 0.09 | < 0.012 | < 0.004 | 1.86 | 4.67 | 0.0 | 1.56 | 0.189 | 0.41 | 0.08 | 15 | 0.393 | 0.18 | 0.96 | 0.02 | 1.96 | 1.76 | 42 | 4.5 | 0.17 | 21 | 9 | 83.0 | 0.03 | < 0.026 | 0.406 | < 0.003 | 15.00 | 30 | 3045 | 13 | 1 | ||||
2021-06-19 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.1 | 0.08 | 0.02 | < 0.001 | 0.053 | 0.05 | < 0.012 | < 0.004 | 1.51 | 4.66 | 0.0 | 1.57 | 0.183 | 0.42 | 0.09 | 15 | 0.355 | 0.16 | 0.91 | 0.01 | 1.80 | 4.3 | 1001 | 0.16 | < 20 | 8 | 0.01 | 0.031 | 0.236 | < 0.003 | 15.00 | 50 | 4115 | 12 | 1 | 40336 | 40339 | 10067 | ||||||||||||||
2021-07-05 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.1 | < 0.09 | < 0.02 | < 0.001 | 0.045 | 0.05 | < 0.012 | < 0.004 | 1.23 | 4.86 | 0.0 | 1.65 | 0.181 | 0.45 | 0.09 | 16 | 0.358 | 0.16 | 0.97 | 0.01 | 1.57 | 4.5 | 1001 | 0.13 | < 20 | 8 | 0.01 | < 0.026 | 0.200 | < 0.003 | 15.00 | 50 | 4115 | 13 | 1 | 40336 | 40339 | 10067 | ||||||||||||||
2021-07-17 13:00 |
MDT |
K |
WS |
USGS-WRD |
7.1 | < 0.07 | < 0.02 | < 0.001 | 0.023 | 0.02 | < 0.012 | < 0.004 | 1.25 | 5.00 | 0.0 | 1.70 | 0.186 | 0.45 | 0.09 | 15 | 0.363 | 0.14 | 1.01 | 0.02 | 1.40 | 4.8 | 1001 | 0.09 | < 20 | 8 | 0.01 | < 0.026 | 0.102 | < 0.003 | 15.00 | 50 | 4115 | 13 | 1 | 40336 | 40339 | 10067 | ||||||||||||||
2021-07-26 12:45 |
MDT |
K |
WS |
USGS-WRD |
18.3 | 29.0 | 585 | 77 | 2.95 | 14 | 0.00014 | 7.3 | 101 | 6.9 | 1.4 | 7.2 | < 0.08 | < 0.02 | < 0.001 | 0.016 | 0.02 | < 0.012 | < 0.004 | 0.80 | 5.08 | 0.0 | 1.72 | 0.191 | 0.46 | 0.09 | 15 | 0.382 | 0.13 | 1.09 | 0.01 | 1.34 | 0.90 | 2.2 | 5.0 | 0.09 | < 20 | 8 | 1.75 | 0.01 | < 0.026 | 0.072 | < 0.003 | 15.00 | 10 | 3044 | 14 | 1 | ||||
2021-09-15 12:00 |
MDT |
K |
WS |
USGS-WRD |
12.0 | 18.3 | 583 | 61 | 2.84 | 17 | 0.00012 | 8.2 | 99 | 6.9 | 1.5 | 7.2 | < 0.10 | < 0.02 | < 0.001 | 0.022 | 0.02 | < 0.012 | < 0.004 | 1.30 | 6.62 | 0.0 | 2.27 | 0.235 | 0.57 | 0.10 | 15 | 0.438 | 0.15 | 1.27 | 0.02 | 0.987 | 0.87 | 1.7 | 6.3 | 0.12 | < 20 | 10 | 1.60 | 0.01 | < 0.026 | 0.098 | < 0.003 | 15.00 | 10 | 3045 | 17 | 30 | ||||
2021-10-21 10:30 |
MDT |
K |
WS |
USGS-WRD |
5.8 | 10.0 | 590 | 70 | 2.88 | 17 | 0.00014 | 10.1 | 104 | 6.9 | 1.7 | 7.3 | < 0.07 | < 0.02 | < 0.001 | 0.029 | 0.03 | < 0.012 | < 0.004 | 1.17 | 6.62 | 0.0 | 2.26 | 0.238 | 0.53 | 0.09 | 14 | 0.410 | 0.19 | 1.25 | 0.02 | 1.41 | 0.88 | 2.0 | 6.6 | 0.10 | < 20 | 10 | 1.97 | 0.01 | < 0.026 | 0.128 | < 0.003 | 15.00 | 10 | 3044 | 17 | 10 | ||||
2021-11-17 10:00 |
MST |
K |
WS |
USGS-WRD |
2.2 | 1.0 | 585 | 44 | 2.70 | 20 | 0.00013 | 10.8 | 102 | 6.9 | 1.9 | 7.2 | < 0.07 | < 0.02 | < 0.001 | 0.063 | 0.06 | < 0.012 | < 0.004 | 1.13 | 8.21 | 0.0 | 2.79 | 0.300 | 0.66 | 0.10 | 14 | 0.485 | 0.24 | 1.58 | 0.02 | 2.23 | 0.82 | 1.2 | 7.8 | 0.13 | < 20 | 13 | 1.56 | 0.02 | < 0.026 | 0.279 | < 0.003 | 15.00 | 10 | 3044 | 21 | 1 | ||||
2022-01-28 12:00 |
MST |
K |
WS |
USGS-WRD |
0.1 | 17 | 2.39 | 14 | 7.3 | < 0.05 | < 0.02 | < 0.001 | 0.118 | 0.12 | < 0.012 | < 0.004 | 0.92 | 10.4 | 1 | 3.62 | 0.321 | 0.69 | 0.09 | 12 | 0.488 | 0.25 | 1.81 | 0.02 | 2.62 | 0.73 | 0.48 | 9.0 | 0.16 | < 20 | 16 | 0.72 | 0.02 | < 0.026 | 0.521 | < 0.003 | 15.00 | 30 | 3045 | 25 | 1 | |||||||||||
2022-03-30 11:30 |
MDT |
K |
WS |
USGS-WRD |
0.6 | 7.0 | 588 | 16 | 2.30 | 26 | 0.00001 | 10.2 | 92 | 7.9 | < 0.04 | < 0.02 | < 0.001 | 0.134 | 0.13 | < 0.012 | < 0.004 | 0.94 | 0.70 | 0.44 | 0.18 | < 0.026 | 0.591 | < 0.003 | 15.00 | 10 | 3045 | 1 | ||||||||||||||||||||||||
2022-05-24 13:30 |
MDT |
K |
WS |
USGS-WRD |
4.5 | 9.0 | 151 | 3.24 | 24 | < 0.07 | < 0.02 | < 0.001 | 0.042 | 0.04 | < 0.012 | < 0.004 | 1.66 | 0.99 | 4.3 | 0.12 | < 0.026 | 0.186 | < 0.003 | 15.00 | 10 | 3045 | 1 | |||||||||||||||||||||||||||||
2022-06-15 14:00 |
MDT |
K |
WS |
USGS-WRD |
6.0 | 21.0 | 581 | 660 | 4.40 | 16 | 0.00006 | 9.5 | 100 | 7.2 | < 0.08 | < 0.02 | < 0.001 | 0.054 | 0.05 | < 0.012 | < 0.004 | 1.82 | 1.34 | 19 | 0.14 | < 0.026 | 0.238 | < 0.003 | 15.00 | 30 | 3045 | 1 | ||||||||||||||||||||||||
2022-07-19 14:15 |
MDT |
K |
WS |
USGS-WRD |
14.7 | 269 | 3.58 | 12 | 0.96 | 1.09 | 7.6 | 15.00 | 30 | 3045 | 1 |
Water Quality Remark Code | Description |
---|---|
< | Less than |
E | Estimated |