DDW-2024-006039

195 North 1950 West • Salt Lake City, UT
Mailing Address: P.O. Box 144830 • Salt Lake City, UT 84114-4830
Telephone [phone] • Fax [phone] • T.D.D. [phone]
www.deq.utah.gov
Printed on 100% recycled paper
State of Utah

SPENCER J. COX
Governor

DEIDRE HENDERSON
Lieutenant Governor

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF DRINKING WATER
Tim Davis
Director

November 21, 2023

Brian Hunnings
Red Cliffs Partners LLC
Mile Post 14 HWY 128
Moab, UT 84532

Subject: Notice of Facility ID Change, Confirmation Sampling, Red Cliffs Partners LLC:
UTAH10037

Brian Hunnings:

This letter is to notify Red Cliffs Partners LLC (“the system”) that the reported Total Dissolved
Solids (TDS) and Sulfate levels present in the Red Cliffs Well 2 (identified as WS002 in the
Division of Drinking Water’s (the Division) database) exceed their respective Maximum
Contaminant Levels (MCL) of 2000mg/L and 1000mg/L. The samples collected on October 12,
2023 show TDS at levels of 3612mg/L and Sulfate levels of 1074mg/L. According to the
Division’s records, Red Cliffs Partners LLC operates several point of use reverse osmosis (R.O.)
treatment plants which treat the Red Cliffs Well 2 (WS002) prior to the first connection served.

To determine compliance with the TDS and Sulfate standards, the Division requests that the
system take TDS and Sulfate confirmation samples from the point of use R.O. treatment plant
identified as “Lodge R.O.” (TP003) by March 31, 2024. Please record TP003 as the facility ID on
all laboratory paperwork. The confirmation sample results will count towards your 2024 source
sampling requirements.

The purpose of these samples is to determine the water quality of the water served to consumers
and efficacy of treatment. All source samples, including Nitrate, TDS and Sulfate samples, shall
now be collected from the Lodge R.O (TP003), after the water has undergone treatment. The
systems monitoring requirements have been changed to reflect this change in sample location.

These changes are available to view anytime online on your systems water monitoring page on
waterlink.utah.gov.

Thank you for all the work you do to maintain clean drinking water. If you have any questions or
concerns with this change, please contact David Kruse at [e-mail] or 385-566-7789.
Brian Hunnings
Page 2 of 2
November 21, 2023

Sincerely,

Mark Berger
Monitoring and Standards Implementation Manager

Enclosures: Monitoring Schedule

cc: Brian Hunnings, Red Cliffs Partners LLC, [e-mail]
Orion Rogers, Southeast Utah Health Department, [e-mail]
Russell Seeley, DEQ Southeast District Engineer, [e-mail]
Mark Berger, Division of Drinking Water, [e-mail]
David Kruse, Division of Drinking Water, [e-mail]