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Natural Soda LLC
<br />Quarterly Water Quality Data Tables
<br />BG-11 Quarterly
<br />Historical Vs
<br />4th Qtr
<br />1st Qtr
<br />2nd Qtr
<br />B-Groove
<br />High Low Avg
<br />2024
<br />2025
<br />2025
<br />Field Readings
<br />12/02/24
<br />03/31/25
<br />06/24/25
<br />Sample Date
<br />Field MNL Depth to Water (ft bgs)
<br />567.7 527.3 548.5
<br />527.3
<br />567.7
<br />555.3
<br />DCS Depth to Water (ft bgs)
<br />564.8 535.0 545.3
<br />543.4
<br />564.8
<br />556.1
<br />DCS Same Day Water Level
<br />567.1 527.3 545.4
<br />527.3
<br />567.1
<br />554.8
<br />pH (SI)
<br />9.0 8.2 8.6
<br />8.8
<br />8.7
<br />8.7
<br />Temperature (°C)
<br />27.4 12.2 14.5
<br />13.5
<br />14.0
<br />14.9
<br />Conductivity (µmhos/cm)
<br />4,345 1,637 2,365
<br />4,020
<br />4,345
<br />3,396
<br />Lab Reference Number
<br />L91839-01
<br />L93871-01
<br />L95629-03
<br />Sample Date
<br />12/02/24
<br />03/31/25
<br />06/24/25
<br />Major Analytes
<br />Boron (mg/L)
<br />0.99 0.74 0.85
<br />0.99
<br />0.99
<br />0.89
<br />Calcium (mg/L)
<br />6.5 2.8 4.1
<br />5.9
<br />5.8
<br />4.7
<br />Magnesium (mg/L)
<br />4.9 1.8 2.8
<br />4.9
<br />4.7
<br />3.7
<br />Potassium (mg/L)
<br />2.9 0.9 1.4
<br />2.3
<br />2.1
<br />1.7
<br />Silica (mg/L)
<br />16.6 4.0 14.7
<br />16.2
<br />15.6
<br />25.2
<br />Sodium (mg/L)
<br />992 372 576
<br />985
<br />992
<br />794
<br />Strontium (mg/L)
<br />2.4 0.4 1.1
<br />2.4
<br />2.3
<br />1.8
<br />Bicarb(HCO3 as CaCO3)
<br />1180 683 846
<br />956
<br />1180
<br />1140
<br />Carbonate(mg/L)
<br />606 63 168
<br />606
<br />153
<br />150
<br />Alkalinity (Total as CaCO3)
<br />1,560 830 1,014
<br />1,560
<br />1,340
<br />1,290
<br />Chloride (mg/L)
<br />487.0 43.0 180.5
<br />487.0
<br />456.0
<br />393.0
<br />ConductivityLab (µmhos/cm)
<br />4,040 1,690 2,388
<br />4,040
<br />3,680
<br />3,510
<br />Fluoride (mg/L)
<br />24.7 15.3 20.0
<br />15.5
<br />20.7
<br />19.1
<br />Hardness as CaCO3(mg/L)
<br />35.0 14.0 21.8
<br />35.0
<br />34.0
<br />27.0
<br />pH Lab (SI)
<br />9.2 8.3 8.8
<br />8.7
<br />8.8
<br />8.5
<br />Sulfate (mg/L)
<br />5.4 5.4 5.4
<br />u
<br />U
<br />U
<br />TDS (mg/L)
<br />2,470 972 1,421
<br />2,470
<br />21310
<br />21020
<br />Water Level Target Range (ft.)
<br />535.00 -- 555.00
<br />WSW-2 Quarterly
<br />Historical Vs
<br />4th Qtr
<br />1st Qtr
<br />2nd Qtr
<br />A -Groove
<br />High Low Avg
<br />2024
<br />2025
<br />2025
<br />Field Readings
<br />11/06/24
<br />02/03/25
<br />05/05/25
<br />Sample Date
<br />Field MNL Depth to Water (ft bgs)
<br />N/A N/A N/A
<br />N/A
<br />N/A
<br />N/A
<br />pH (SI)
<br />9.1 7.3 8.3
<br />8.4
<br />8.4
<br />8.6
<br />Temperature (°C)
<br />25.0 15.6 21.9
<br />22.4
<br />22.9
<br />15.6
<br />Conductivity(µmhos/cm)
<br />14,010 719 6,014
<br />9,266
<br />1 10,250
<br />12,800
<br />Lab Reference Number
<br />L91412-05
<br />L92944-02
<br />L94529-03
<br />Sample Date
<br />11/06/24
<br />02/03/25
<br />05/05/25
<br />Major Analytes
<br />Boron (mg/L)
<br />4.3 0.4 1.6
<br />2.7
<br />4.0
<br />4.3
<br />Calcium (mg/L)
<br />24.2 2.7 3.2
<br />4.0
<br />2.7
<br />2.1
<br />Magnesium (mg/L)
<br />13.0 2.0 6.6
<br />6.2
<br />7.2
<br />7.7
<br />Potassium (mg/L)
<br />7.0 0.4 1.7
<br />U
<br />2.8
<br />3.3
<br />Silica (mg/L)
<br />22.8 9.0 11.4
<br />20.0
<br />20.0
<br />20.0
<br />Sodium (mg/L)
<br />3,500 279 1,433
<br />2,710
<br />3,030
<br />3,500
<br />Strontium (mg/L)
<br />2.7 0.4 1.4
<br />1.4
<br />1.5
<br />1.5
<br />Bicarb (HCO3 as CaCO3)
<br />4,580 483 2,076
<br />3,500
<br />4,540
<br />4,580
<br />Carbonate(mg/L)
<br />636 40 164
<br />80
<br />219
<br />399
<br />Alkalinity (Total as CaCO3)
<br />4,980 534 2,237
<br />3,580
<br />4,660
<br />4,980
<br />Chloride (mg/L)
<br />2,040 11 740
<br />1,060
<br />1,930
<br />2,040
<br />Conductivity Lab (µmhos/cm)
<br />12,100 1,250 5,739
<br />9,400
<br />10,900
<br />12,100
<br />Fluoride (mg/L)
<br />28.2 13.8 20.6
<br />22.6
<br />23.4
<br />23.2
<br />Hardness as CaCO3 (mg/L)
<br />72.0 14.0 34.9
<br />36.0
<br />36.0
<br />37.0
<br />pH Lab (SI)
<br />9.0 8.4 8.7
<br />8.8
<br />8.8
<br />9.0
<br />Sulfate (mg/L)
<br />156.0 5.4 35.0
<br />U
<br />U
<br />u
<br />TDS (mg/L)
<br />8,630 740 3,580
<br />6,000
<br />7,850
<br />8,630
<br />Water Level Target Range (ft.)
<br />N/A -- N/A
<br />Natural Soda LLC
<br />Daub & Associates, Inc.
<br />Page 85 of 88 2025 2nd Quarter EPA Report
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