DDW-2024-012940

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 Nathan Lunstad, Ph.D., P.E. Director
October 22, 2024

Christopher Swenson Canyonlands NP – Needles District HQ 2282 Resource Blvd Moab, UT 84532
Subject: Notice Decreased Monitoring Requirements for Canyonlands NP – Needles District HQ; UTAH19042
Christopher Swenson: According to the Division of Drinking Water’s (the Division) records, Canyonlands NP – Needles District HQ has completed six months of iron, manganese and turbidity sampling at the
Needles Water Building Chlorinator (identified as TP004). This facility now qualifies for reduced monitoring. Iron, manganese and turbidity samples are now due on a quarterly basis. The next set of samples are due sometime between October 1, 2024, and December 31, 2024.
The updated monitoring requirements for the Needles Water Building Chlorinator (TP004) are given below. An updated monitoring schedule can be viewed any time at waterlink.utah.gov under the Water Monitoring section.

Facility with new requirements Analyte(s) Required # of samples Sampling Frequency Next Due Date Rule Reference
TP004 Needles Water Building Chlorinator Iron 1 Quarterly 10/01/2024-12/31/2024 R309-215-6(2)(a)
Manganese 1 Quarterly 10/01/2024-12/31/2024 R309-215-6(2)(a)
Turbidity 1 Quarterly 10/01/2024-12/31/2024 R309-215-6(2)(a)
Christopher Swenson Page 2 of 2
October 22, 2024

Nitrate 1 Yearly 01/01/2024-12/31/2024 R309-205-5(4)(a)
Sulfate 1 Every three years 01/01/2026-12/31/2028 R309-205-5(3)(a)
Please contact David Kruse at (385)-566-7789 or [e-mail] for questions regarding the source monitoring and reporting requirements for your water system. Sincerely,

Mark Berger
Monitoring and Standards Implementation Manager
cc: Christopher Swenson, Canyonlands NP – Needles District HQ, [e-mail] Jamin Bradford, Canyonlands NP – Needles District HQ, [e-mail] Dennis Shumway, San Juan County Health Department, [e-mail] Curtis Page, P.E., DEQ District Engineer, [e-mail] Mark Berger, Division of Drinking Water, [e-mail] David Kruse, Division of Drinking Water, [e-mail]