Ground-Water Information Center Water Quality Report Site Name: THOMPSON CREEK AT DRY CREEK ROAD TCDCRD
Report Date: 3/29/2024 Compare to Water Quality Standards

Location Information
Sample Id/Site Id: 205322 / 264840 Sample Date: 10/15/2013 10:22:00 AM
Location (TRS): 01N 04E 13 DD Agency/Sampler: MBMG / MICHALEK, TOM
Latitude/Longitude: 45° 49' 56" N 111° 9' 35" W Field Number: 262840
Datum: NAD83 Lab Date: 1/22/2014 7:32:54 AM
Altitude: Lab/Analyst: MBMG / TIMMER, JACKIE
County/State: GALLATIN / MT Sample Method/Handling: GRAB / ru:1 ra:0 fu:1 fa:2
Site Type: STREAM Procedure Type: DISSOLVED
Geology: Staff Gage Reading: NR
USGS 7.5' Quad: BELGRADE Stream Stage: NR
PWS Id: Stream Discharge (cfs): NR  -  NR
Project: BWIPMN Stream Width (ft): NR  -  NR
Sample Water Use: Sample Depth (ft): NR  -  NR
Major Ion Results
mg/L meq/L mg/L meq/L
Calcium (Ca) 59.300 2.959 Bicarbonate (HCO3) 247.320 4.054
Magnesium (Mg) 15.930 1.311 Carbonate (CO3) 0.000 0.000
Sodium (Na) 7.080 0.308 Chloride (Cl) 6.870 0.194
Potassium (K) 2.470 0.063 Sulfate (SO4) 24.210 0.504
Iron (Fe) <0.015 U 0.000 Nitrate (as N) 0.730 0.052
Manganese (Mn) 0.003 J 0.000 Fluoride (F) 0.180 0.009
Silica (SiO2) 20.400 Orthophosphate (as P) <0.020 U 0.000
Total Cations 4.647 Total Anions 4.813
Trace Element Results (µg/L)
Aluminum (Al): <2.000 U Cesium (Cs): <0.100 U Molybdenum (Mo): 0.570 Strontium (Sr): 204.560
Antimony (Sb): <0.100 U Chromium (Cr): <0.100 U Nickel (Ni): 1.820 Thallium (Tl): <0.100 U
Arsenic (As): 0.630 Cobalt (Co): <0.100 U Niobium (Nb): <0.100 U Thorium (Th): <0.100 U
Barium (Ba): 75.500 Copper (Cu): 0.450 J Neodymium (Nd): <0.100 U Tin (Sn): <0.100 U
Beryllium (Be): <0.100 U Gallium (Ga): <0.100 U Palladium (Pd): <0.100 U Titanium (Ti): 0.210 J
Boron (B): 11.270 Lanthanum (La): <0.100 U Praseodymium (Pr): <0.100 U Tungsten (W): <0.100 U
Bromide (Br): <10.000 U Lead (Pb): 8.060 Rubidium (Rb): 1.140 Uranium (U): 1.390
Cadmium (Cd): <0.100 U Lithium (Li): <2.000 U Silver (Ag): <0.100 U Vanadium (V): 2.130
Cerium (Ce): <0.100 U Mercury (Hg): NR Selenium (Se): 0.220 J Zinc (Zn): 1.200 J
Zirconium (Zr): <0.100 U
Field Chemistry and Other Analytical Results
**Total Dissolved Solids (mg/L): 257.9 Field Hardness as CaCO3 (mg/L): NR Ammonia (mg/L): NR
**Sum of Diss. Constituents (mg/L): 383.23 Hardness as CaCO3: 213.64 T.P. Hydrocarbons (µg/L): NR
Field Conductivity (µmhos): 431 Field Alkalinity as CaCO3 (mg/L): NR PCP (µg/L): NR
Lab Conductivity (µmhos): 404.3 Alkalinity as CaCO3 (mg/L): 202.58 Phosphorus, TD (mg/L): 0.030 J
Field pH: 8.1 Ryznar Stability Index: 7.211 Field Nitrate (mg/L): NR
Lab pH: 7.63 Sodium Adsorption Ratio: 0.2084 Field Dissolved O2 (mg/L): NR
Water Temp (°C): 7.2 Langlier Saturation Index: 0.210 Field Chloride (mg/L): NR
Air Temp (°C): NR Nitrite (mg/L as N): <0.010 U Field Redox (mV): NR
Nitrate + Nitrite (mg/L as N) 0.710 Hydroxide (mg/L as OH): 0.000 Lab, Dissolved Organic Carbon (mg/L): NR
Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L): NR
Total Nitrogen (mg/L as N) <1.000 U Acidity to 4.5 (mg/L CaCO3) NR Acidity to 8.3 (mg/L CaCO3) NR
As(III) (ug/L) NR As(V) (ug/L) NR Total Susp Solids (mg/L) NR
Notes
Sample Condition:
Field Remarks:
Lab Remarks:
Explanation: mg/L = milligrams per Liter; µg/L = micrograms per Liter; ft = feet; NR = No Reading in GWIC
Qualifiers: J = Estimated quantity above detection limit but below reporting limit; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HCO3, CO3, SO4, Cl, SiO2, NO3, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue.
Disclaimer
These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted.