DDW-2024-005957

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

DIEDRE HENDERSON
Lieutenant Governor

Department of
Environmental Quality

Kimberly D. Shelley
Executive Director

DIVISION OF DRINKING WATER
Tim Davis
Director

August 8, 2023

Justun Edwards
Hi-Country Estates #1
5355 W Herriman Main St
Herriman, UT 84096

Subject: Notice of Violation for Gross Alpha Particle Activity, Public Notice Requirement,
Hi-Country Estates #1: UTAH18147

Dear Justun Edwards:

This letter is an official notification that according to the Division of Drinking Water (the
Division) records, the Shaggy Mtn Well (listed as WS001 in the Divisions database) is in violation
of the Gross Alpha Particle Activity standard as given in R309-200-5(4). Compliance with the
Gross Alpha Particle Activity maximum contaminant level (MCL) of 15pCi/L is based off the
running annual average (RAA). The Gross Alpha Particle Activity RAA for the Shaggy Mtn Well
(WS001) is currently 16 pCi/L.

The MCL exceedance was determined after the June 12th, 2023 sample, where Gross Alpha
Particle Activity levels were found to be 16.3pCi/L.

As a result of this violation, Hi-Country Estates #1 will be given 50 IPS points effective
immediately.

With the Shaggy Mtn Well (WS001) containing Gross Alpha Particle Activity levels above the
MCL, the system must:

1. Notify its water users per the attached public notice protocol within 30 days of receiving
this letter and repeat the notice every three months for as long as the violation exists. A
copy of the public notice must be submitted to the Division at [e-mail] and
[e-mail] by September 4th, 2023.
2. Enact one of the following mitigation measures:
a. Identify and implement operational strategies that can minimize Gross Alpha
Particle Activity exposure.
b. Identify possible alternative sources for drinking water.
Justun Edwards
Page 2 of 2
August 8, 2023

3. Present MCL exceedance in annual CCR while including the Standard Health Effects
Language listed in R309-220-15 for Gross Alpha Particle Activity, and explain the
corrective actions being taken.

Please be aware that any permanent treatment option must comply with the Division’s plan review
process including submittal of design, engineering plans and specification, and obtaining plan
approval (prior to construction) and an operating permit (prior to placing into service). Please
contact Chris Martin, Salt Lake County Permitting Engineer, at 385-271-7040 or
[e-mail] if you have any question regarding the potential plan review requirements.

Thank you for your efforts in maintaining a safe drinking water system. If you have questions or
need further assistance, please contact David Kruse, at [e-mail] or [phone].

Sincerely,
Mark Berger
Monitoring and Standards Section Manager

Enclosures: PN Template

cc: Justun Edwards, Hi-Country Estates #1, [e-mail]
Wil Szwarc, Herriman City, [e-mail]
Fuaad Hararah, Salt Lake County Health Department, [e-mail]
Chris Martin, Division of Drinking Water, [e-mail]
Nagendra Dev, Division of Drinking Water, [e-mail]
Mark Berger, Division of Drinking Water, [e-mail]
David Kruse, Division of Drinking Water, [e-mail]