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June 17, 2025DIVISION OF WATER QUALITYUTAH DEPARTMENT OF ENVIRONMENTAL QUALITYPUBLIC NOTICE OF INTENT TORENEW A UPDES PERMITPURPOSE OF PUBLIC NOTICE
The purpose of this public notice is to declare the Director of the Division of Water Quality’s intention to renew a Utah Pollutant Discharge Elimination System (UPDES) Permit under
the authority of the Utah Water Quality Act, Utah Code § 19-5-106(2)(g). The draft Permit and the Fact Sheet (collectively, the draft Permit documents) are available for review and
comment.PERMIT INFORMATIONPERMITTEE NAME: Castle Valley Special Service DistrictFACILITY NAME:Huntington LagoonsMAILING ADDRESS:P.O. Box 877, 20 South 100 East, Castle Dale, Utah 84513TELEPHONE
NUMBER:[phone]FACILITY LOCATION:Just East of Huntington City off Hwy 10 in Emery CountyUPDES PERMIT NO.:UT0021296PERMITTED OUTFALLS:001OUTFALL LOCATION:latitude 39°18'46" and
longitude 110°55'15". RECEIVING WATER: Cottonwood Creek, part of San Rafael and Colorado River SystemsBACKGROUND
Castle Valley Special Service District (CVSSD) operates the Huntington Lagoons (Huntington) domestic wastewater treatment facility, known as a Publicly Owned Treatment Works (POTW).
The facility is a six-cell, flow-thru lagoon system serving the population of Huntington City with no significant industrial users on the system. The first cell is the largest and
includes multiple aerators followed by 5 smaller cells and 3 alternating sand filters. The outfall is located after the final lagoon cell and the 3 sand filters into Huntington Creek.
The facility is an intermittent discharger based on seasonal loading and precipitation events with discharges occurring 3-4 times each year on average. The lagoon has an average monthly
design capacity of 0.8 million gallon per day (MGD).PUBLIC COMMENTSPursuant to Utah Admin. Code R317-8-6(6.6), any interested person may submit written comments on the draft permit documents
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 MONTHXX, 202X. Written public comments can be submitted to: Daniel Griffin, UPDES Individual Permits Section, Utah Division
of Water Quality, PO Box 144870, Salt Lake City, Utah 84114-4870 or by email at: [e-mail] considering public comments, the Director of the Division of Water Quality will
issuea finalPermit decision. The draft Permit documents are available for public review under “Public Participation” at www.waterquality.utah.gov/. Additionally, If internet access
is not available, a copy may be obtained by calling Daniel Griffin at [phone].
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