Ground-Water Information Center Water Quality Report Site Name: GLWQD MONITORING WELL * YUKON  Report Date: 4/25/2024 Compare to Water Quality Standards Location Information Sample Id/Site Id: 2009Q0227 / 235475 Sample Date: 8/20/2008 12:30:00 PM Location (TRS): 01S 04E 13 DBDA Agency/Sampler: GCWQD / ICOPINI, GARY Latitude/Longitude: 45° 44' 54" N 111° 10' 11" W Field Number: GCWQD-17 Datum: NAD83 Lab Date: 10/31/2008 Altitude: 4526.74 Lab/Analyst: MBMG / SM County/State: GALLATIN / MT Sample Method/Handling: GRAB / Site Type: WELL Procedure Type: DISSOLVED Geology: 112SNGR Total Depth (ft): 73 USGS 7.5' Quad: BOZEMAN HOT SPRINGS SWL-MP (ft): 27.88 PWS Id: Depth Water Enters (ft): 58 Project: GALVAL, GWAAMON, GWCP08,  GLWQDPHARM, NGWMN-MONTANA, BWIP4CSWL1, GWCP08MON,  BWIP4C, BWIP4CCHEM Major Ion Results mg/L meq/L mg/L meq/L Calcium (Ca) 73.600 3.673 Bicarbonate (HCO3) 282.800 4.635 Magnesium (Mg) 15.700 1.292 Carbonate (CO3) 0.000 0.000 Sodium (Na) 7.740 0.337 Chloride (Cl) 4.410 0.124 Potassium (K) 3.190 0.082 Sulfate (SO4) 26.400 0.550 Iron (Fe) <0.001 0.000 Nitrate (as N) 1.70 P 0.121 Manganese (Mn) <0.003 0.000 Fluoride (F) 0.091 0.005 Silica (SiO2) 21.900 Orthophosphate (as P) <0.05 0.000 Total Cations 5.389 Total Anions 5.436 Trace Element Results (µg/L) Aluminum (Al): <0.95 Cesium (Cs): <0.04 Molybdenum (Mo): 0.273 Strontium (Sr): 225.000 Antimony (Sb): <0.11 Chromium (Cr): 0.104 Nickel (Ni): 0.240 Thallium (Tl): <0.04 Arsenic (As): 0.534 Cobalt (Co): 0.468 Niobium (Nb): <0.03 Thorium (Th): <0.005 Barium (Ba): 194.000 Copper (Cu): 1.110 Neodymium (Nd): <0.22 Tin (Sn): <0.06 Beryllium (Be): <0.16 Gallium (Ga): <0.07 Palladium (Pd): 0.364 Titanium (Ti): <0.17 Boron (B): 9.740 Lanthanum (La): <0.85 Praseodymium (Pr): <0.16 Tungsten (W): 0.080 Bromide (Br): <50 Lead (Pb): <0.56 Rubidium (Rb): 1.730 Uranium (U): 2.180 Cadmium (Cd): <0.13 Lithium (Li): 3.060 Silver (Ag): <0.07 Vanadium (V): 1.020 Cerium (Ce): <0.54 Mercury (Hg): NR Selenium (Se): <0.38 Zinc (Zn): <0.27 Zirconium (Zr): <0.11 Field Chemistry and Other Analytical Results **Total Dissolved Solids (mg/L): 291.71 Field Hardness as CaCO3 (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): 435.3 Hardness as CaCO3: 248.4 T.P. Hydrocarbons (µg/L): NR Field Conductivity (µmhos): 464 Field Alkalinity as CaCO3 (mg/L): NR PCP (µg/L): NR Lab Conductivity (µmhos): 518 Alkalinity as CaCO3 (mg/L): 232.11 Phosphorus, TD (mg/L): 0.056 Field pH: 7.32 Ryznar Stability Index: 7.015 Field Nitrate (mg/L): NR Lab pH: 7.52 Sodium Adsorption Ratio: 0.2209 Field Dissolved O2 (mg/L): 6.760 Water Temp (°C): 12.16 Langlier Saturation Index: 0.253 Field Chloride (mg/L): NR Air Temp (°C): NR Nitrite (mg/L as N): NR Field Redox (mV): 121.1 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): NR Lab, Dissolved Organic Carbon (mg/L): 0.350 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) NR 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 Additional Parameters Radon (picocuries/L) 0.000 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.