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Drinking Water Project Profile:

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Project Title:	Corbin Water Treatment Plant Sodium Hypochlorite Disinfection Fa
Project Number:	WX21235007	AWMPC:	CVADD
Funding Status:	Not Funded	Date Approved by AWMPC:	03.23.2022
Project Status:	Approved	Primary County:	Whitley
Project Schedule:	0-2 Years	Planning Unit:	Whitley
E-ClearingHouse SAI:		ECH Status:
Primary System:	KY1180085 Corbin Utilities Commission	ADD WMC Contact:	Connor Holland
Legal Applicant:	Corbin City Utilities Commission
Entity Type:	Municipal Utility, Board, or Commission

Narrative
Applicant
AdministrationBudget
& Schedule
Impacts
ComponentsSustainable
Infrastructure
Audit
Map

Project Title:
Corbin Water Treatment Plant Sodium Hypochlorite Disinfection Fa

Project Description:
Design and construction of a new disinfection facility for the water treatment plant. The existing chlorine gas disinfection facility will be demolished. The facility would consist of a new bulk storage disinfection facility building, constructed on the adjacent lot, owned by the utility, to the southeast of the current water treatment plant. The facility will have 8,000 gallons of bulk storage, day tanks, chemical feed pumps, process piping, and typical facility appurtenances. 1 SCADA feature type will be added. Additionally, Corbin has collected a limited amount of samples to test for the presence of PFAS in the source water. Those results indicate some samples were near the anticipated limit of 4 ng/l (ppt) for PFAS and other analytes that make up the Hazard Index developed by EPA. To address PFAS, Corbin will develop and implement a sampling plan to more accurately reflect the levels of PFAS in their source water. The frequency of the samples will begin at quarterly intervals over the next few years. These results of longer-term baseline sampling will allow Corbin to determine what, and if any, types of treatment will be required once regulatory limits are put into place.

Need For Project: Briefly describe how this project promotes public health or achieves and/or maintains compliance with the Clean Water Act or Safe Drinking Water Act:
The provision of the new facility will eliminate the need of the EPA mandated Risk Management Plan for chlorine gas at the facility. The water treatment plant is located in a local neighborhood and is also significantly higher than the surrounding community, placing all at risk should a chlorine gas leak occur. The 12.5% sodium hypochlorite solution is more stable than chlorine gas and typically results in less chlorine usage, potentially reducing the risk of elevated disinfection byproduct residuals. This allows the utility to better comply with the Stage 2 provisions of Disinfectant and Disinfection By-Products Rule, of the Safe Drinking Water Act.

Project Alternatives:

Alternate A:

Note: If project includes the construction of a new treatment plant or upgrade to existing plant, please explain regionalization options here.

Construction of an Onsite Generation of Chlorine Facility.  This facility provides greater capital cost and operational cost for chlorine application  Some transportation risks of chemicals are reduced and slight water quality improvements are provided by mixed oxidants within this system.  The proposed facility will provide the bulk storage required for the construction of onsite generation.  The design will accommodate future addition of onsite generation of chlorine.

Alternate B:

No action.  Chlorine gas disinfection remains allowable, effective, and cost effective.  No action does not remove the risk of chlorine gas exposure or the potential for reduction of disinfection byproducts.

Entity Information
Entity Type:	Municipal Utility, Board, or Commission
Entity Name:	Corbin City Utilities Commission
PSC Group ID:	8801500
Office EMail:	ron.herd@corbinutilities.com
Web URL:	http://www.corbinutilities.com/
Office Phone:	606-528-4026	Fax:	606-528-4848

Entity Address Information
	Mail Address	Physical Address
Address Line 1:	PO Box 1350	1515 Cumberland Falls Hwy
Address Line 2:	1515 Cumberland Falls Hwy	PO Box 1350
City, State Zip:	Corbin , KY 40701	Corbin , KY 40701

Entity Contact Information
Contact Type	Name	Title	EMail	Phone	Cell
Business Contact:	Ronald W. Herd	Manager	ron.herd@corbinutilities.com	606-528-4026	606-524-3746
Authorized Official:	Terry Martin	Chairman	ron.herd@corbinutilities.com	606-528-4026	606-524-3746

Information Source:	Kentucky Infrastructure Authority
Date Last Modified:	04.22.2015

Project Administrator (PA) Information

Name:	Ronald W Herd
Title:	General Manager
Organization:	City Utilities Commission of Corbin
EMail:	ron.herd@corbinutilities.com
Phone:	606-528-4026 Fax: 606-528-4848
Address Line 1:	1515 Cumberland Falls Hwy
Address Line 2:	P.O. Box 1350
City, State Zip:	Corbin , KY 40701

Applicant Contact (AC) Information

Name:	Ronald W Herd
Title:	General Manager
Organization:	City Utilities Commission of Corbin
EMail:	ron.herd@corbinutilities.com
Phone:	606-528-4026 Fax: 606-528-4848
Address Line 1:	1515 Cumberland Falls Hwy
Address Line 2:	P.O. Box 1350
City, State Zip:	Corbin , KY 40701

Project Engineer (PE) Information

This project requires a licensed Professional Engineer.

A Professional Engineer has been procured for this project.

Licensed Engineer Information

License Number:	PE 22043
PE Name:	Michael Lynn Jacobs
Firm Name:	GRW Engineers, Inc.
Address Type:	Work
Address Line 1:	Grw Engineers
Address Line 2:	801 Corporate Drive
Address Line 3:
City, State Zip:	Lexington , KY 40503
License Status:	Current	Disciplinary Actions:	No
Issue Date:	07.31.2001	Expiration Date:	06.30.2025

Phone:	859∙223∙3999 Fax: 859∙223∙9419
EMail:	mjacobs@grwinc.com

Engineering Firm Information
Permit Number:	87
Firm Name:	GRW Engineers, Inc.
Phone:	859∙223∙3999 Fax: 859∙223∙3999
Web URL:	http://www.grwinc.com/
E-Mail:	cdorsey@grwinc.com
Address Line 1:	801 Corporate Drive
Address Line 2:
City, State Zip:	Lexington , KY 40503
Issue Date:	03.02.1993	Expir. Date:	12.31.2024
Permit Status	Current	Disciplinary Actions	No

Estimated Budget As-Bid Budget

Project Cost Categories
Cost Category	Cost
Administrative Expenses:	$10,000
Legal Expenses:	$10,000
Land, Appraisals, Easements:
Relocation Expense & Payments:
Planning:	$49,000
Engineering Fees - Design:	$177,000
Engineering Fees - Construction:	$45,000
Engineering Fees - Inspection:	$163,000
Engineering Fees - Other:	$128,000
Construction:	$3,080,000
Equipment:
Miscellaneous:	$30,000
Contingencies:	$308,000
Total Project Cost:	$4,000,000

Construction Cost Categories
Cost Category	Cost
Treatment:	$3,080,000
Transmission and Distribution:
Lead Remediation:
Source:
Storage:
Purchase of Systems:
Restructuring:
Land Acquisition:
Non-Categorized :
Total Construction Cost:	$3,080,000

Total Sustainability Costs:	$1,000

Note:

Sustainability costs are included within other costs
reported in this tab. This breakout, when provided,
is for SRF review purposes.

Project Funding Sources

Total Project Cost:	$4,000,000
Total Committed Funding:
Funding Gap:	Not Funded

This project is requesting SRF funding.

Funding Source	Loan or Grant ID	Fiscal Year	Amount	Status	Applicable Date
KIA SRF Fund F Loan (DW)	F23-029	2023	$2,923,968	Expired	05-17-2022
KIA SRF Fund F Loan (DW)	F24-133	2024	$2,923,968	Ranked	06-12-2023
KIA SRF Fund F Loan (DW)	F25-006	2025	$2,923,968	Ranked	04-25-2024
KIA SRF Fund F Loan (DW) - Emerging Contaminants	F25-006E	2025	$2,923,968	Ranked	04-25-2024
Total Committed

Funding Source Notes

Estimated Project Schedule

Estimated Environmental Review Submittal Date:	11.01.2024
Estimated Bid Date:	09.01.2025
Estimated Construction Start Date:	11.01.2025
Estimated Construction Completion Date:	10.01.2026

The following systems are beneficiaries of this project:

	KY1180085	Corbin Utilities Commission
	KY0290271	Cumberland County Water District
	KY0610110	Knox County Utility Commission
	KY1180468	Whitley County Water District

Checked box indicates primary system for this project.

Project Ranking by AWMPC:

Regional Ranking(s):
Planning Unit Ranking:
Total Points:

Plans and Specifications:

Plans and specs have been sent to DOW.

Plans and specs have been reviewed by DOW.

Plans and specs have been sent to PSC.

Plans and specs have been reviewed by PSC.

Economic Impacts
Jobs Created:
Jobs Retained:

MHI Basis:

Demographic Impacts (GIS Census Overlay)
Serviceable Demographic	Project Area	Included Systems	Included Utilities
Population:		15,137	15,137
Households:		7,001	7,001
MHI:		$50,960	*$50,960
MHI MOE:		$8,284	$8,284
MOE as Percent:		16%	16%
**NSRL:		1	1

Population and household counts are based on the 2020 Census DEC Redistricting Data (PL 94-171) dataset.

Median Household Income (MHI) Source: American Community Survey 2018-2022 5 Yr Estimates (Table B19013 *(for the primary system operated by the above listed beneficiary utilities).

MHI MOE = Med HH Income Margin of Error.

** NSRL (Non-Standard Rate Levels):
  0 = Greater than or equal to Kentucky MHI (KMHI).
  1 = Between 80% KMHI and KMHI (exclusive).
  2 = Less than or equal to 80% KMHI.
  - KMHI = $60,183
  - 80% KMHI = $48,146

New Customers
New Residential Customers:
New Commercial Customers:
New Institutional Customers:
New Industrial Customers:

New or Improved Service
Service Demographic	Survey Based	Census Overlay*
To Unserved Households:
To Underserved Households:
To Total Households:
**Cost Per Household:

*	GIS Census block overlay figures are estimates of population and households potentially served by systems and projects based on a proximity analysis of relevant service lines to census block boundaries published for the 2010 SF1 dataset.
**	Cost per household is based on surveyed household counts, not GIS overlay values.

Geographic Impacts
For Project Area

Counties

Whitley

Legislative Districts

District Name	Legislator
House 082	Nick Wilson
Senate 25	Robert Stivers
Congressional 5	Hal Rogers

HUC 10 Watersheds

HUC 10 Code	Watershed Name
0513010108	Laurel River

Geographic Impacts
For Included System(s)

Counties

Bell

Clinton

Cumberland

Knox

Laurel

Metcalfe

Monroe

Whitley

Legislative Districts

District Name
House 021	Amy Neighbors
House 082	Nick Wilson
House 083	Josh Branscum
House 086	Tom Smith
House 087	Adam Bowling
Senate 15	Rick Girdler
Senate 16	Max Wise
Senate 21	Brandon J. Storm
Senate 25	Robert Stivers
Senate 29	Johnnie Turner
Congressional 1	James Comer
Congressional 5	Hal Rogers

DW Specific Impacts:

	This project relates to a public health emergency.
	This project will assist a non-compliant system to achieve compliance.
	This project will assist a compliant system to meet future requirements.
	This project will provide assistance not compliance related.
	This project is necessary to achieve full or partial compliance with a court order, agreed order, or a judicial or administrative consent decree.
	Primary system has not received any SDWA Notices of Violation within the previous state fiscal year (July through June).
	Primary system has had an action level exceedance (lead concentrations exceed an action level of 15 ppb in more than 10% of customer taps sampled) within the last compliance period.
	Primary system has received a lead trigger level exceedance (lead concentrations exceed a trigger level of 10 ppb in more than 10% of customer taps sampled) within the last compliance period.

Project Readiness LSL (Lead Inventory and Lead Service Line Replacement):

Lead Service Line Inventory:

A description of goals to be achieved and products to be created (e.g., electronic or GIS database; customer communication tools) when creating a lead service line inventory procedure, including a proposed timeline for achieving each goal.

Lead Service Line Replacement:

	A strategy for informing customers before a LSLR and a template for an agreement with the private property owner to replace the LSL.
	A process for documenting all property owners declining replacement of privately owned portion of LSL.
	A procedure for customers to flush service lines and premise plumbing of particulate lead.
	A proposed plan for conducting LSL replacement utilizing all requested funding.
	A funding strategy for conducting LSLRs utilizing all requested funding.

Project Inventory (Mapped Features):

Point Features:

DOW PermitID	Count	Feature Type	Purpose	Status	Existing Capacity	Proposed Capacity	Units
KY1180085	1	SCADA	ENERGY EFF - SCADA	NEW			EA
KY1180085	1	WATER TREATMENT PLANT	ENERGY EFF - VFD DEVICE	WTP - UPGRADE	2.30		MGD

Administrative Components:

The following administrative components are included in this project:

Planning

Design

Construction

Management

Audits on Record
Associated With Applicant

Audit Year	Entity Name	Entity Relationship
2022	Corbin, City of	Parent
2021	Corbin, City of	Parent
2020	Corbin, City of	Parent
2022	Corbin City Utilities Commission	Child
2021	Corbin City Utilities Commission	Child
2020	Corbin City Utilities Commission	Child

Regionalization Components:

Public Water Systems Eliminated:

This project includes the elimination of public water system(s) through merger or acquisition.

Water Treatment Plants Eliminated:

This project includes the elimination of water treatment plant(s).

Supplementation of Raw Water Supply:

This project includes supplementing the existing raw water supply.

Supplementation of Potable Water Supply:

This project includes supplementing the existing potable water supply.

Emergency Only Water Supply:

This project provides emergency only water supply.

Water Source Protection:

	This project will preventatively address PFAS or other emerging contaminants of the source water.
	This project will address current PFAS or other emerging contaminants of the source water.
	This project includes the rehabilitation of a dam or reservoir used primarily for drinking water.
	This project includes land acquisition for water source protection.

Water Treatment Components:

This project includes water treatment components.

Treatment Activities:

This project includes a new water treatment plant.

This project includes an expansion of an existing water treatment plant.

This project includes rehabilitation of an existing water treatment plant.

This project includes upgrades to an existing water treatment plant.

This project includes emergency power generators for treatment activities.

This project includes redundant treatment processes.

Explanation of how redundant treatment processes will be achieved:

Liquid chlorine feed facilities to be provided will have redundant tanks, pumps, and piping

This project includes replacement of existing raw water lines.

Treatment - Upgrades/Modifications:

This project includes infrastructure options to meet Cryptosporidium removal/inactivation requirements.

This project includes infrastructure options to meet CT inactivation requirements.

This project includes treatment modifications to meet the Disinfectants/Disinfection Byproducts Rule at the water treatment plant.

Explanation of how disinfection treatment modifications will be achieved:

12.5% sodium hypochlorite solution is more efficient than chlorine gas and does not dissipate as quickly, resulting in lower doses of chlorine, leading to reduced potential of disinfection byproducts.  The project also eliminates a public risk of chlorine gas leaks.

This project will provide treatment modifications for VOCs, IOCs, SOC, or Radionuclides.

This project includes treatment modifications to address Secondary Contaminants.

Treatment process modifications preventatively addresses PFAS and other emerging contaminants.

Treatment process modifications addresses current PFAS and other emerging contaminants.

Security:

This project includes security components for water treatment facilities.

Water Distribution and Storage Components:

This project includes water distribution and/or storage components.

Green
InfrastructureWater
EfficiencyEnergy
EfficiencyEnvironmentally
InnovativeAsset
Management

Green Infrastructure:

Green stormwater infrastructure includes a wide array of practices at multiple scales that manage wet weather and that maintains and restores natural hydrology by infiltrating, evapotranspiring and harvesting and using stormwater. On a regional scale, green infrastructure is the preservation and restoration of natural landscape features, such as forests, floodplains, and wetlands, coupled with policies such as infill and redevelopment that reduce overall imperviousness in a watershed. On the local scale, green infrastructure consists of site and neighborhood-specific practices, such as:

Component		Cost
Item 1:	Bioretention
Item 2:	Trees
Item 3:	Green Roofs
Item 4:	Permeable Pavement
Item 5:	Cisterns
Total Cost:

* Indicates a business case may be required for this item.

If any box(es) above are checked, please describe each below.

Water Efficiency:

The use of improved technologies and practices to deliver equal or better services with less water. Water efficiency encompasses conservation and reuse efforts, as well as water loss reduction and prevention, to protect water resources for the future. Examples include:

Component		Cost
Item 1:	Installing or retrofitting water efficient devices such as plumbing fixtures and appliances (toilets, showerheads, urinals).
Item 2:	Installing any type of water meter in previously unmetered areas (can include backflow prevention if in conjunction with meter replacement).
Item 3:	Replacing existing broken/malfunctioning water meters with AMR or smart meters, meters with leak detection, backflow prevention.
Item 4:	Retrofitting/adding AMR capabilities or leak equipment to existing meters.
Item 5:	Conducting water utility audits, leak detection studies, and water use efficiency baseline studies, which are reasonably expected to result in a capital project or in a reduction in demand to alleviate the need for additional capital investment.
Item 6:	Developing conservation plans/programs reasonable expected to result in a water conserving capital project or in a reduction in demand to alleviate the need for capital investment.
Item 7:	Recycling and water reuse projects that replace potable sources with non-potable sources (Gray water, condensate, and wastewater effluent reuse systems, extra treatment or distribution costs associated with water reuse).
Item 8:	Retrofit or replacement of existing landscape irrigation systems to more efficient landscape irrigation systems.
Item 9:	Water meter replacement with traditional water meters.*
Item 10:	Distribution pipe replacement or rehabilitation to reduce water loss and prevent water main breaks.*
Item 11:	Storage tank replacement/rehabilitation to reduce water loss.*
Item 12:	New water efficient landscape irrigation system, where there currently is not one.*
Item 13:	Implementation of incentive programs to conserve water such as rebates.
Item 14:	Installing WaterSense labeled products (https://www.epa.gov/watersense)
Item 15:	Projects that result from a water efficiency related assessments (such as water audits, leak detection studies, conservation plans, etc.) as long as the assessments adhered to the standard industry practices referenced above.
Item 16:	Distribution system leak detection equipment, portable or permanent.
Item 17:	Automatic flushing systems (portable or permanent).
Item 18:	Pressure reducing valves (PRVs).
Item 19:	Internal plant water reuse (such as backwash water recycling).
Total Cost:

* Indicates a business case may be required for this item.

If any box(es) above are checked, please describe each below.

Energy Efficiency:

Energy efficiency is the use of improved technologies and practices to reduce the energy consumption of water projects, use energy in a more efficient way, and/or produce/utilize renewable energy. Examples include:

Component		Cost
Item 1:	Renewable energy projects, which are part of a public health project, such as wind, solar, geothermal, and micro-hydroelectric that provides power to a utility.
Item 2:	Utility-owned or publicly-owned renewable energy projects.
Item 3:	Utility energy management planning, including energy assessments, energy audits, optimization studies, and sub-metering of individual processes to determine high energy use areas.
Item 4:	Energy efficient retrofits, upgrades, or new pumping systems and treatment processes (including variable frequency drives (VFDs).*
Item 5:	Pump refurbishment to optimize pump efficiency.*
Item 6:	Projects that result from an energy efficient related assessment.*
Item 7:	Projects that cost effectively eliminate pumps or pumping stations.*
Item 8:	Projects that achieve the remaining increments of energy efficiency in a system that is already very efficient.*
Item 9:	Upgrade of lighting to energy efficient sources.*	$1,000
Item 10:	Automated and remote control systems (SCADA) that achieve substantial energy savings.*
Total Cost:		$1,000

* Indicates a business case may be required for this item.

If any box(es) above are checked, please describe each below.

All new facilities will provide SCADA operated features for the chemical feed pumps and facilities.

Environmentally Innovative Projects:

Environmentally innovative projects include those that demonstrate new and/or innovative approaches to delivering services or managing water resources in a more sustainable way. Examples include:

Component		Cost
Item 1:	Total integrated water resources management planning, or other planning framework where project life cycle costs are minimized, which enables communities to adopt more efficient and cost-effective infrastructure solutions.
Item 2:	Plans to improve water quantity and quality associated with water system technical, financial, and managerial capacity.
Item 3:	Source water protection planning (delineation, monitoring, modeling).
Item 4:	Planning activities to prepare for adaptation to the long-term effects of climate change and/or extreme weather.
Item 5:	Utility sustainability plan consistent with EPA’s sustainability policy.
Item 6:	Greenhouse gas inventory or mitigation plan and submission of a GHG inventory to a registry as long as it is being done for an SRF eligible facility.
Item 7:	Construction of US Building Council LEED certified buildings, or renovation of an existing building.
Item 8:	Projects that significantly reduce or eliminate the use of chemicals in water treatment.*
Item 9:	Treatment technologies or approaches that significantly reduce the volume of residuals, minimize the generation of residuals, or lower the amount of chemicals in the residuals.*
Item 10:	Trenchless or low impact construction technology.*
Item 11:	Using recycled materials or re-using materials on-site.*
Item 12:	Educational activities and demonstration projects for water or energy efficiency (such as rain gardens).*
Item 13:	Projects that achieve the goals/objectives of utility asset management plans*
Total Cost:

* Indicates a business case may be required for this item.

If any box(es) above are checked, please describe each below.

Asset Management:

If a category is selected, the applicant must provide supporting documentation in PDF format to substantiate claims.

Asset Management Components

Last Rate Adjustment Date:	09.13.2017 Download Fee Schedule
Rate Adjustment Age (months):	76

System’s monthly water bill, based on 4,000 gallons, as a percentage of MHI:

0.30%

The system has an Asset Management Plan (AMP).

The system(s) involved in this project have specifically allocated funds for the rehabilitation and replacement of aging and deteriorating infrastructure.

If any box(es) above are checked, please describe each below.

Activity	Date
Profile Created:	01.13.2022
Profile Last Modified:	03.11.2024
General Info Last Modified:	03.31.2022
Narrative Last Modified:	03.11.2024
Admin Info Last Modified:	03.11.2024
Budget Info Last Modified:	03.11.2024
Impacts Info Last Modified:	01.13.2022
Plans & Specs Info Last Modified:
Components Info Last Modified:	01.13.2022
GIS Last Modified:	01.26.2022

Deficiencies found in Impacts Tab:

Demographic Impacts Section:

− Warning: There are no surveyed household counts for this project.

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