General Information

Government Type

State Agency

Entity

Department of Environmental Quality

Public Body

Division of Water Quality

Notice Information

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Notice Title

DIVISION OF WATER QUALITY UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY PUBLIC NOTICE OF A LEVEL II ANTIDEGRADATION REVIEW- GREAT SALT LAKE PHASE 1 LITHIUM EXTRACTION PROJECT

Notice Type(s)

Notice

Event Start Date & Time

July 28, 2026 03:10 PM

Event End Date & Time

August 27, 2026 05:00 PM

Description/Agenda

July 28, 2026 DIVISION OF WATER QUALITY UTAH DEPARTMENT OF ENVIRONMENTAL QUALITY PUBLIC NOTICE OF A LEVEL II ANTIDEGRADATION REVIEW PURPOSE OF PUBLIC NOTICE The purpose of this public notice is to provide a 30-day public notice comment period on a Level II Antidegradation Review (ADR). PERMIT INFORMATION PERMITTEE NAME: Waterleaf Phase 1, LLC FACILITY NAME: Great Salt Lake Phase 1 Lithium Extraction Project MAILING ADDRESS: 9350 South 150 East, Suite 710 Sandy, Utah 84070 TELEPHONE NUMBER: (248) 497-2883 FACILITY LOCATION: Western Slope Promontory Mountains Unincorporated Box Elder Co. UPDES PERMIT NO.: UT0026352 PERMITTED OUTFALLS: Outfall 001 RECEIVING WATER: Gunnison Bay, Great Salt Lake BACKGROUND Waterleaf Phase 1, LLC (Waterleaf) intends to extract lithium from Gunnison Bay, Great Salt Lake (GSL), at its Great Salt Lake Phase 1 Lithium Extraction Project (Facility). A Level II Antidegradation Review (ADR) was required for this Permit; this is attached and available for public comment. This ADR has been modified from the previous ADR; clarification on the manganese treatment process testing has been added in Section 2.3.1. PUBLIC COMMENTS Pursuant to Utah Admin. Code R317-8-6(6.6), any interested person may submit written comments on the ADR and may request a public hearing if no hearing has already been scheduled. A request for a public hearing shall be in writing and shall state the nature of the issues proposed to be raised in the hearing. All comments will be considered in making the final decision and shall be answered as provided in Utah Admin. Code R317-8-6(6.12). Commenters have an affirmative obligation to raise all reasonably ascertainable issues and submit all reasonably available arguments and factual grounds supporting their position, including all supporting material. Supporting material must be included in full and may not be incorporated by reference, unless the material is already part of the administrative record. Public comments are invited any time prior to the deadline of the close of business on August 27, 2026. Written public comments can be submitted to: James Harris, Utah Division of Water Quality, PO Box 144870, Salt Lake City, Utah 84114-4870 or by email at: jamesharris@utah.gov . The permit is available for public review under 'Public Participation' at www.waterquality.utah.gov/. If internet access is not available, a copy may be obtained by calling James Harris at (385) 552-1362. DWQ-2026-004619

Notice of Special Accommodations (ADA)

In compliance with the Americans with Disabilities Act, individuals needing special accommodations (including auxiliary communicative aids and services) during this meeting should notify Emily Canton at 801-536-4342.

Notice of Electronic or Telephone Participation

NA

Meeting Information

Meeting Location

195 North 1950 West
Floor 3
Salt Lake City, UT 84116
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Contact Name

Emily Canton

Contact Email

ercanton@utah.gov

Contact Phone

(801)536-4342

Notice Posting Details

Notice Posted On

July 28, 2026 03:10 PM

Notice Last Edited On

July 28, 2026 03:10 PM

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