DWQ-2025-005165

Sufco Mine

Sufco Mine
597 South SR24
Salina, Utah 84654
(435)-286-4880

June 30, 2025 Jeff Studenka Department of Environmental Quality
Division of Water Quality P. O. Box 144870 Salt Lake City, UT 84114-4870 Re: Discharge Monitoring Report –April & May 2025 Salinity Funds Tracking Chart
Dear Mr. Studenka, Enclosed, please find the Salinity Funds Tracking Chart, prepared in accordance with the requirements of the Salinity Offset Program for CFC, Sufco Mine, Permit UT-0022918. As of May 2025, we have 49.22% of our salinity fund credits remaining. Thank you for your time in reviewing this information. If you have questions or need additional information, please contact Bryant Bunnell at [phone].
SUFCO MINE
SALINITY FUNDS TRACKING CHART
Month/Year
30-Day Average Tons of TDS Sufco Mine
UPDES Daily Limit of Tons of TDS w/o Salinity Reduction Plan Participation Sufco Mine
Total TDS Tons Discharged/day Sufco Mine
Total CFC Tons of TDS Produced and Subtracted from Fund on Monthly Basis
Tons Remaining in Fund (Initial 80,300 tons)
Percentage of Fund Remaining
24-May 3.61 1 2.61 80.8 42,366 52.76% 24-Jun 5.84 1 4.84 145.1 42,221 52.58% 24-Jul 2.98 1 1.98 61.4 42,160 52.50% 24-Aug 5.43 1 4.43 137.3 42,022 52.33% 24-Sep 9.01 1 8.01 240.4 41,782 52.03%
24-Oct 16.62 1 15.62 484.4 41,298 51.43%
24-Nov 6.68 1 5.68 170.3 41,127 51.22%
24-Dec 11.86 1 10.86 336.6 40,791 50.80% 25-Jan 1.53 1 0.53 16.3 40,774 50.78% 25-Feb 0.84 1 0.00 0.0 40,774 50.78% 25-Mar 14.44 1 13.44 416.7 40,358 50.26% 25-Apr 14.05 1 13.05 391.6 39,966 49.77%
25-May 15.18 1 14.18 439.7 39,526 49.22%
Regards,
Bryant Bunnell Senior Environmental Engineer, P.S.M.
SUFCO Mine P: (435) 286 – 4490 E: [e-mail]
Page 2 Sufco Mine

cc: Jennifer Berjikian [e-mail] Craig Brown [e-mail]