DDW-2025-006192

July 10, 2025
Sent via Email Only
Joshua Dean Bunnell
Gunnison City
PO Box 596
Gunnison, UT 84634
[e-mail]
Subject:Plan Approval, Well Drilling, Tarr Canyon Well (WS008);
Gunnison City, System #20004, File #22514
Dear JD Bunnell:The Division of Drinking Water (the Division) received the plans and specifications for drilling the Tarr Canyon Well from your consultant, Neil Burk P.G. with LRE Water,
on June 13, 2025. The Preliminary Evaluation Report (PER) was received on June 12, 2025, and received concurrence on July 7, 2025.
We understand that this project consists of drilling a new well located west of Gunnison City approximately 5 miles west of town. A 6-inch diameter pilot well will be drilled first to
a depth of 1,000 feet. The pilot well will be enlarged to a 26-inch diameter for the top 160 feet and then reduced to a 19-inch diameter from 160 feet to the completion depth of the
well, approximately 1010 feet. The top 160 feet of the well is proposed to have a 22-inch steel casing grouted in place and a gravel pack will be placed in the annular space below the
grout seal. Fourteen inch steel casing and well screen will be placed from the depth of 160 feet to the bottom of the well. This project will also include developing and test pumping
the new well. The Tarr Canyon Wellis identified as WS008in the Division’s database.
We have received the following information forthe Tarr Canyon Well:
Plans and specifications for borehole and well drilling.
Preliminary Evaluation Report.
We have completed our review of the plans and specifications, stamped and signed by Neil Ira Burk, P.G. and dated June 13, 2025, and found they basically comply with the applicable portions
of Utah’s Administrative Rules for Public Drinking Water Systems. On this basis, the plans for drilling the Tarr Canyon Well are hereby approved. This approval pertains to well drilling,
development, aquifer testing, and disinfection of Tarr Canyon Well only. Please be aware that discharge permits may be required by the Utah Division of Water Quality for discharges generated
during well drilling and aquifer drawdown testing.
The Utah Division of Water Rights (State Engineer’s Office) regulates the drilling of water wells. Before the drilling of a well commences, the well driller must receive a start card
from the State Engineer’s Office. Please be aware that, for public drinking water supply wells, in addition to the Division of Drinking Water’s R309-515 rule, the Division of Water Rights’
rule R655-4 also applies and shall be followed.
After drilling is completed, you are required to submit additional information outlined in R309-515-6(5)(b) and (c) for review andobtain an approval from the Director for equipping this
well and constructing discharge piping and infrastructure necessary for introducing the well water into the distribution system. After obtaining the well equipping approval, you’ll then
be required to obtain an Operating Permit before Tarr Canyon Well may be put in service. A checklist outlining the well approval process, including the items required for well equipping
and an Operating Permit, is enclosed for your information.
Please label the well water sample collected for new source chemical analysis with your water system number UTAH20004 and WS008 (for both the facility ID and sample point ID) on all
laboratory forms for each individual source. This will ensure proper identification and entry of the new source chemical analysis results in our database.
Approvals or permits from the local authority or county may be necessary before beginning construction of this project. As the project proceeds, notice of any changes in the approved
design, as well as any change affecting the quantity or quality of the delivered water, must be submitted to the Division. We may also conduct interim and final inspections of this project.
Please notify us when actual construction begins so that these inspections can be scheduled.
This approval must be renewed if construction has not begun or if substantial materials have not been ordered within one year of the date of this letter.Preliminary Evaluation Report
ConcurrenceThe Division has also reviewed the Preliminary Evaluation Report (PER) for this source submitted by your consultant on June 12, 2025. The Division concurs with this report.
This report must be refined, and a complete Drinking Water Source Protection (DWSP) plan submitted within one year of the date of this letter. Refer to R309-600-13(6) and R309-600-7(1).
Please contact Noah Zorsky, P.G., at [phone] or at [e-mail] if you have questions or concerns about the review of your Preliminary Evaluation Report.
If you have any questions regarding this approval, please contact John Chartier, P.E., DEQ Central District Engineer, at [phone], or me at [phone].
Sincerely,
Michael Newberry, P.E.
Permitting and Engineering Support Manager
JLC/NAZ/mrn/mdbEnclosure — Well Approval Checklistcc:Eric Larsen, Central Utah Public Health, [e-mail] Neil I. Burk, P.G., LRE Water, [e-mail] JD Bunnell,
Gunnison City, [e-mail]
John Chartier, P.E., DEQ Central District Engineer, [e-mail] David Kruse, Division of Drinking Water, [e-mail] Noah Zorsky, P.G., Division of Drinking Water,[e-mail]
jchartier 20004 22514 PADivision of Drinking WaterChecklist for New Public Drinking Water Wells
(per Utah Administrative Code, Rule R309-515-6)
System Name:System Number:Well Name & Description:1.Approval to Drill the Well
☐Project Notification Form (PNF)
☐Preliminary Evaluation Report (PER) concurrence
☐Well drilling specifications and plans
☐Valid Start Card or authorization to drill letter from the Division of Water Rights2.Approval to Equip the Well
☐PNF (if the well drilling and well equipping are designed by different consultants)
☐Well location data
☐Certification of well seal
☐Well driller’s report (well log)
☐Aquifer drawdown test results (step drawdown test & constant-rate test) for well yield determination
☐Chemical analyses of the well water

☐Plans and specifications for equipping the well
☐Pump information (e.g., pump specifications, pump curve & operating point, motor information, etc.)
☐Well head discharge piping
☐Well house design3.Operating Permit to Introduce the Well Water
☐Documentation of valid water right(s)
☐Recorded land use agreements, or documentation that the requirements for coverage under the City/County source protection ordinance have been met
☐Design engineer’s certification of conformance with plan approval conditions
☐Design engineer’s certification of rule conformance for any deviation from approved plans
☐As-built or record drawings
☐Evidence of O&M manual delivery to system owner
☐Satisfactory bacteriological results as evidence of proper flushing and disinfection