Ground-Water Information Center Water Quality Report Site Name: WHITE MIKE  Report Date: 4/20/2024 Compare to Water Quality Standards Location Information Sample Id/Site Id: 202675 / 9440 Sample Date: 8/28/2012 12:02:00 PM Location (TRS): 01N 03E 26 CCBB Agency/Sampler: MBMG / MASON, DONALD Latitude/Longitude: 45° 48' 18" N 111° 19' 31" W Field Number: 9440 Datum: NAD83 Lab Date: 12/14/2012 7:27:58 AM Altitude: 4325 Lab/Analyst: MBMG / MCGRATH, STEVE County/State: GALLATIN / MT Sample Method/Handling: GRAB / ru:1 ra:0 fu:1 fa:2 Site Type: WELL Procedure Type: DISSOLVED Geology: 112SNGR Total Depth (ft): 30 USGS 7.5' Quad: MANHATTAN SWL-MP (ft): 4.24 PWS Id: Depth Water Enters (ft): 30 Project: GWCP08 Major Ion Results mg/L meq/L mg/L meq/L Calcium (Ca) 91.180 4.550 Bicarbonate (HCO3) 326.940 5.359 Magnesium (Mg) 29.120 2.396 Carbonate (CO3) 0.000 0.000 Sodium (Na) 32.130 1.398 Chloride (Cl) 11.450 0.323 Potassium (K) 6.580 0.168 Sulfate (SO4) 120.300 2.506 Iron (Fe) <0.015 U 0.000 Nitrate (as N) 6.430 0.459 Manganese (Mn) <0.002 U 0.000 Fluoride (F) 0.350 0.018 Silica (SiO2) 31.570 Orthophosphate (as P) <0.020 U 0.000 Total Cations 8.531 Total Anions 8.665 Trace Element Results (µg/L) Aluminum (Al): <0.400 U Cesium (Cs): <0.100 U Molybdenum (Mo): 1.140 Strontium (Sr): 419.530 Antimony (Sb): <0.100 U Chromium (Cr): 0.440 J Nickel (Ni): 1.540 Thallium (Tl): <0.100 U Arsenic (As): 2.560 Cobalt (Co): 0.130 J Niobium (Nb): <0.100 U Thorium (Th): <0.100 U Barium (Ba): 81.430 Copper (Cu): 11.650 Neodymium (Nd): <0.100 U Tin (Sn): <0.100 U Beryllium (Be): <0.100 U Gallium (Ga): <0.100 U Palladium (Pd): 0.240 J Titanium (Ti): 1.120 Boron (B): 95.070 Lanthanum (La): <0.100 U Praseodymium (Pr): <0.100 U Tungsten (W): <0.100 U Bromide (Br): 109.000 Lead (Pb): <0.040 U Rubidium (Rb): 5.050 Uranium (U): 8.360 Cadmium (Cd): <0.100 U Lithium (Li): 12.930 Silver (Ag): <0.100 U Vanadium (V): 5.440 Cerium (Ce): <0.100 U Mercury (Hg): NR Selenium (Se): 2.500 Zinc (Zn): 0.520 J Zirconium (Zr): <0.100 U Field Chemistry and Other Analytical Results **Total Dissolved Solids (mg/L): 489.4 Field Hardness as CaCO3 (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): 655.31 Hardness as CaCO3: 347.53 T.P. Hydrocarbons (µg/L): NR Field Conductivity (µmhos): 732 Field Alkalinity as CaCO3 (mg/L): NR PCP (µg/L): NR Lab Conductivity (µmhos): 740.3 Alkalinity as CaCO3 (mg/L): 268.2 Phosphorus, TD (mg/L): 0.070 J Field pH: 7.56 Ryznar Stability Index: 6.943 Field Nitrate (mg/L): 5.000 Lab pH: 7.28 Sodium Adsorption Ratio: 0.7469 Field Dissolved O2 (mg/L): 7.270 Water Temp (°C): 10.1 Langlier Saturation Index: 0.168 Field Chloride (mg/L): NR Air Temp (°C): NR Nitrite (mg/L as N): <0.010 U Field Redox (mV): 209.7 Nitrate + Nitrite (mg/L as N) 6.150 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) 6.970 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.