2025-08-28_HYDROLOGY - M1983194 ‎(6)‎

• Permit No: M1983194
• IBM Index Class Name: Hydrology
• Doc Date: 8/28/2025
• From: NSI
• To: EPA
• Archive: No

Natural Soda LLC
Quarterly Water Quality Data Tables
3rd Qtr 4th Qtr 1st Qtr
High Low Avg 2023 2023 2024
Field Readings
Sample Date
Field MNL Depth to Water (ft bgs)N/A N/A N/A N/A N/A N/A
pH (SI)8.9 7.6 8.5 8.5 8.5 8.3
Temperature (°C)23.4 14.9 21.8 22.6 22.3 21.6
Conductivity (μmhos/cm)1,780 632 1,160 1,507 1,586 1,710
Lab Reference Number L82258-02 L84488-04 L85965-04
Sample Date 08/01/23 11/07/23 02/05/24
Major Analytes
Boron (mg/L)0.3 0.2 0.2 0.3 0.3 0.3
Calcium (mg/L)3.5 2.2 2.6 3.1 3.2 3.5
Magnesium (mg/L)3.2 1.4 1.8 2.6 3.1 3.2
Potassium (mg/L)29.2 0.2 1.3 U 0.6 U
Silica (mg/L)13.5 10.8 12.5 11.8 12.8 12.0
Sodium (mg/L)382 258 285 321 382 380
Strontium (mg/L)1.0 0.4 0.6 0.8 0.9 1.0
Bicarb (HCO3 as CaCO3)622 459 496 547 572 622
Carbonate (mg/L)86 27 57 78 77 74
Alkalinity (Total as CaCO3)696 518 553 625 649 696
Chloride (mg/L)100 12 23 75.6 89.8 100.0
Conductivity Lab (µmhos/cm)1,710 1,100 1,226 1,440 1,590 1,710
Fluoride (mg/L)19.8 13.8 17.7 13.8 15.7 14.7
Hardness as CaCO3 (mg/L)238.0 12.0 19.4 18.0 21.0 22.0
pH Lab (SI)9.3 8.4 8.7 8.6 8.9 8.4
Sulfate (mg/L)57.9 11.6 37.6 37.9 40.1 38.7
TDS (mg/L) 980 661 723 850 947 980
Water Level Target Range (ft.)
3rd Qtr 4th Qtr 1st Qtr
High Low Avg 2023 2023 2024
Field Readings
Sample Date
Field MNL Depth to Water (ft bgs)N/A N/A N/A N/A N/A N/A
pH (SI)9.4 7.7 8.5 8.6 8.7 8.6
Temperature (°C)29.0 13.8 21.4 22.4 22.3 21.5
Conductivity (μmhos/cm)1,558 1,073 1,226 1,211 1,210 1,213
Lab Reference Number L82258-01 L84488-03 L85965-03
Sample Date 08/01/23 11/07/23 02/05/24
Major Analytes
Boron (mg/L)0.4 0.2 0.2 0.2 0.2 0.2
Calcium (mg/L)24.7 1.9 2.7 2.0 1.9 2.0
Magnesium (mg/L)2.0 0.3 1.7 1.8 1.8 1.8
Potassium (mg/L)18.3 0.2 1.0 U U U
Silica (mg/L)172.0 8.9 15.5 11.1 12.3 11.8
Sodium (mg/L)416 262 286 265 284 284
Strontium (mg/L)8.0 0.4 0.6 0.4 0.4 0.4
Bicarb (HCO3 as CaCO3)524 439 481 445 505 506
Carbonate (mg/L)537 46 75 125 73 71
Alkalinity (Total as CaCO3)925 511 555 570 578 577
Chloride (mg/L)51 8 17 13.6 12.4 15.0
Conductivity Lab (µmhos/cm)2,810 1,130 1,249 1,160 1,210 1,220
Fluoride (mg/L)19.7 5.1 16.5 13.9 15.4 16.2
Hardness as CaCO3 (mg/L)67.0 11.0 13.8 12.0 12.0 13.0
pH Lab (SI)11.7 8.5 8.8 8.7 9.0 8.6
Sulfate (mg/L)130.0 20.0 52.3 44.7 45.8 48.7
TDS (mg/L) 1,210 687 731 702 729 734
Water Level Target Range (ft.)
WSW-3 Quarterly
A-Groove
Historical #'s
WSW-4 Quarterly
A-Groove
Historical #'s
N/A -- N/A
N/A -- N/A
08/01/23
08/01/23
11/07/23
11/07/23
02/05/24
02/05/24

Daub & Associates, Inc.

Page 79 of 81
Natural Soda LLC
2024 1st Quarter EPA Report