Ground-Water Information Center Water Quality Report Site Name: VALITON DON  Report Date: 5/2/2024 Compare to Water Quality Standards Location Information Sample Id/Site Id: 2001Q0362 / 149170 Sample Date: 8/7/2000 1:00:00 PM Location (TRS): 15N 11W 19 BCAA Agency/Sampler: MBMG / JKF Latitude/Longitude: 47° 2' 43" N 113° 2' 38" W Field Number: 149170 Datum: NAD27 Lab Date: 12/18/2000 Altitude: 4435 Lab/Analyst: MBMG / JMC County/State: POWELL / MT Sample Method/Handling: PUMPED / 4220 Site Type: WELL Procedure Type: DISSOLVED Geology: 112SNGR Total Depth (ft): 55 USGS 7.5' Quad: OVANDO MOUNTAIN SWL-MP (ft): 15.89 PWS Id: Depth Water Enters (ft): 40 Project: GWCP05 Major Ion Results mg/L meq/L mg/L meq/L Calcium (Ca) 126.000 6.287 Bicarbonate (HCO3) 423.600 6.943 Magnesium (Mg) 24.300 2.000 Carbonate (CO3) 0.000 0.000 Sodium (Na) 38.900 1.692 Chloride (Cl) 1.130 0.032 Potassium (K) 1.500 0.038 Sulfate (SO4) 139.000 2.895 Iron (Fe) 4.080 0.146 Nitrate (as N) <.5 P 0.000 Manganese (Mn) 0.745 0.027 Fluoride (F) 0.117 0.006 Silica (SiO2) 23.400 Orthophosphate (as P) <.5 0.000 Total Cations 10.204 Total Anions 9.876 Trace Element Results (µg/L) Aluminum (Al): <30 Cesium (Cs): NR Molybdenum (Mo): <10 Strontium (Sr): 430.000 Antimony (Sb): <2 Chromium (Cr): <2 Nickel (Ni): 2.670 Thallium (Tl): <5 Arsenic (As): <1 Cobalt (Co): <2 Niobium (Nb): NR Thorium (Th): NR Barium (Ba): 70.200 Copper (Cu): <2 Neodymium (Nd): NR Tin (Sn): NR Beryllium (Be): <2 Gallium (Ga): NR Palladium (Pd): NR Titanium (Ti): <1 Boron (B): 32.500 Lanthanum (La): NR Praseodymium (Pr): NR Tungsten (W): NR Bromide (Br): <50 Lead (Pb): <2 Rubidium (Rb): NR Uranium (U): NR Cadmium (Cd): <2 Lithium (Li): 57.100 Silver (Ag): <1 Vanadium (V): <5 Cerium (Ce): NR Mercury (Hg): NR Selenium (Se): <1 Zinc (Zn): 11.800 Zirconium (Zr): 2.100 Field Chemistry and Other Analytical Results **Total Dissolved Solids (mg/L): 568.18 Field Hardness as CaCO3 (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): 783.31 Hardness as CaCO3: 414.64 T.P. Hydrocarbons (µg/L): NR Field Conductivity (µmhos): 834 Field Alkalinity as CaCO3 (mg/L): 384 PCP (µg/L): NR Lab Conductivity (µmhos): 831 Alkalinity as CaCO3 (mg/L): 347.75 Phosphorus, TD (mg/L): 0.089 Field pH: 7.3 Ryznar Stability Index: 6.137 Field Nitrate (mg/L): 0.500 Lab pH: 7.58 Sodium Adsorption Ratio: 0.8334 Field Dissolved O2 (mg/L): NR Water Temp (°C): 7.4 Langlier Saturation Index: 0.722 Field Chloride (mg/L): NR Air Temp (°C): NR Nitrite (mg/L as N): NR Field Redox (mV): -25.4 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): NR 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) 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 Notes Sample Condition: CLEAR Field Remarks: Lab Remarks:

Explanation: mg/L = milligrams per Liter; µg/L = micrograms per Liter; ft = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; J = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; 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.