DDW-2025-000085

January 6, 2025
Justin Blackett
Nephi City
21 East 100 North
Nephi, Utah 84648
Subject:Plan Approval, Well Equipping, Worwood Well REPL-1 (WS012);
Nephi City, System #12003, File #13432
Dear Justin Blackett:The Division of Drinking Water (the Division) received the plans and specifications for the Worwood Replacement Well REPL-1 (WS012) from your consultant, Parker
Vercimak with Jones & DeMille Engineering, on December 19, 2024. The Division issued Plan Approval for drilling Worwood Well REPL-1 on January 3, 2024. Written review comments on the
well equipping plans were sent on December 23, 2024, and revised plans and specifications were received on January 2, 2025.
Our understanding of the project is that the original Worwood Well (WS011) was producing excessive sand, so the City decided to abandon that well and drill a replacement well within
150 feet of the original well. The replacement well has been drilled to a depth of 600 feet with a 10-inch diameter steel production casing and intermittent stainless steel wire-rapped
screen.. A grout surface seal was placed from ground surface down 110 feet and #8 SRI Supreme gravel pack was placed in the annular space from 110 feet to the bottom of the well. The
well was test pumped for 24 hours at 250 gallons per minute (gpm) with 190 feet of drawdown. The well will be equipped with a 40 hp submersible pump capable of producing 200 gpm at 460
feet of total dynamic head. This replacement well will utilize the existing well discharge piping and well house that served the original well. This replacement well is identified as
Worwood Well REPL-1 (WS012) in the Division’s database.
We have received the following information for Worwood Well REPL-1 (WS012):
Certification of well seal.
Well driller’s report (well log).
Well driller’s report for abandoning the original well.
Aquifer drawdown test results (step drawdown test and constant-rate test).
New Source Chemical Analysis of the well water.
Plans and specifications for equipping the well.
Submersible well pump; 40 hp motor, 200 gpm production
Pitless adapter design and specification.
Modifications to existing well house
We have completed our review of the plans and specifications, stamped, and signed by Parker Cade Vercimak, P. E., and dated August 21, 2024,and find they basically comply with the applicable
portions of Utah’s Administrative Rules for Public Drinking Water Systems in R309. On this basis, the plans for equipping Worwood Well REPL-1are hereby approved.
This approval pertains to construction only. An Operating Permit must be obtained from the Director before Worwood Well REPL-1 may be put into service. A checklist outlining the well
approval process, including the items required for issuing an operating permit for this well is enclosed for your information. 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 equipment has not been ordered within one year of the date of this letter.
New Source Chemical Analysis
The initial new source chemistry data of the well water showed a detection for toluene. As a result, upon the issuance of an operating permit, the Worwood Well REPL-1will initially be
required to be sampled for volatile organic compounds (VOCs) each quarter that it provides water to the distribution system. Please contact David Kruse at [e-mail] or 385-566-7789
for questions regarding the source monitoring requirements for this system.
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/mrn/mdbEnclosures─ Well Approval Checklistcc:Eric Larsen, Central Utah Public Health, [e-mail] Parker Vercimak, P.E., Jones & DeMille Engineering, [e-mail]
Justin Blackett, Nephi City, [e-mail]
John Chartier, P.E., DEQ Central District Engineer, [e-mail]
David Kruse, Division of Drinking Water, [e-mail]
Deidre Beck, P.G., Division of Drinking Water, [e-mail] jchartier 12003 13432 PA Well EquipDivision 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
Utah Division of Drinking Water ― Checklist for Issuing Operating PermitsWater System Name:System Number: Project Description:File Number:
Items 1 through 8 below must be submitted to the Division and found to be acceptable prior to operating permit issuance (unless a water line project meets the requirements of R309-500-7
and is not required to obtain an Operating Permit).
Distribution lines (not including in-line booster pump stations) requiring Plan Approval may be placed into service prior to submitting all of the following items and receipt of Operating
Permit if the water system has received items 1 and 4 below.☐1.Certification of Rule Conformance by a professional engineer (P.E.) that all conditions of Plan Approval were accomplished,
and if applicable, changes made during construction were in conformance with rules R309-500 through 550☐2.As-built or record drawings incorporating all changes to approved plans and
specifications (unless no changes were made to the previously approved plans during construction)☐3.Confirmation that as-built or record drawings have been received by the water system☐4.Satisfactory
bacteriological samples as evidence of proper disinfection and flushing in accordance with the appropriate ANSI/AWWA standards:
☐ANSI/AWWA C651-14 AWWA Standard for Disinfecting Water MainsTwo consecutive sample sets at least 16 hours apart, none positive (every 1200 feet, end-of-line, each branch, etc.)☐ANSI/AWWA
C652-11 AWWA Standard for Disinfection of Water-Storage FacilitiesOne or more samples, none positive☐ANSI/AWWA C653-13 AWWA Standard for Disinfection of Water Treatment PlantsTwo consecutive
samples per unit, none positive, no less than 30 minutes apart☐ANSI/AWWA C654-13 AWWA Standard for Disinfection of WellsTwo consecutive samples, none positive, no less than 30 minutes
apart☐5.Water quality data, where appropriate [For example, water quality data showing MCL compliance; raw and finished water data that demonstrate satisfactory performance of the new
treatment facility.]☐6.If applicable, all other documentation that may have been required during the plan review process☐7.If applicable, confirmation that the water system owner has
received the O&M manual for the new facility☐8.If applicable, location data of new storage tank, treatment facility, or source