NC0081256_Renewal (Application)_20210216

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ROY COOPER c
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Governor
MICHAEL S. REGAN ' "g,�.... .
Secretory "„,
S.DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
February 16, 2021
City of High Point
Attn: Terry L. Houk, Public Service Dir.
PO Box 230
High Point, NC 27261-0230
Subject: Permit Renewal
Application No. NC0081256
Frank L. Ward WTP
Guilford County
Dear Applicant:
The Water Quality Permitting Section acknowledges the February 16, 2021 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
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Wren Thedford
Administrative Assistant
Water Quality Permitting Section
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. DEQ / DWR / NPDES
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number NC0081256
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise,please print or type.
1. Contact Information:
Owner Name City of High Point
Facility Name Frank L. Ward WTP
Mailing Address PO Box 230
City High Point
State / Zip Code North Carolina, 27263 RECEIVED
Telephone Number [phone] I-EB 16 2021
Fax Number [phone] NCDEQ/DINR/NPDES
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same as above Ei
Street Address or State Road 121 North Pendleton Street
City High Point
State / Zip Code North Carolina, 27260
County Guilford
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name City of High Point
Mailing Address PO Box 230
City High Point
State / Zip Code North Carolina, 27263
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal ❑ State ❑ Private ❑ Public
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
5. Type of treatment plant:
® Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
❑ Ion Exchange (Sodium Cycle Cationic ion exchange)
❑ Green Sand Filter (No sodium recharge)
❑ Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener ❑
6. Description of source water(s) (i.e. groundwater, surface water)
Surface water
7. Describe the treatment process(es) for the raw water:
Most of the water consumers use is pumped from City Lake and processed into drinking water at the Ward Water
Plant on Pendleton Street. We have a state-of-the-art Super Pulsator treatment facility where we remove those
contaminants the water has picked up as it collects in our watershed. The Super Pulsator has 2 treatment trains
capable of treating 12 million gallons per day(MGD)in each train,for a total plant capacity of 24 MGD.
Coagulation takes place in our flash mix chamber on the Super Pulsator. First, we add alum (aluminum sulfate),
speeding the removal of most dirt and other large particulate matter. Settling is accomplished in the pulse chamber of
the Super Pulsator. As water enters the bottom of the pulse chamber it creates a sludge blanket that assist the settling
process as water moves through the blanket. Water is then filtered to remove smaller pieces of debris and bacteria in
each of our filters. We have four traditional filters and four"Green Leaf'filter,where the water is chemically treated
to kill any remaining bacteria.Each filter can treat up to 4 MGD.
Next,fluoride is added to protect teeth,and a Corrosion Inhibitor chemical to protect pipes are included.The water is
then stored in two elevated storage tanks at the plant. Finally,it is pumped into homes and businesses in High Point
and the surrounding areas.
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Filter backwash water and sludge from the Super Pulsator,flows by gravity,to the lagoons where it passes through a
de-chlorination point before discharging into the North lagoon. This de-chlorination point is only used as needed.
Non-compliant chlorine samples are collected in the lagoons to monitor incoming chlorine levels. Once in the lagoon,
the solids can begin to settle out as the water clarifies. As the level in the North lagoon rises,water then moves to the
South lagoon. Valves are located at various depths to control the water level in the South lagoon.
From the South lagoon,water flows into the small decant lagoon where it is pumped by two 550 gallon per minute
lagoon pumps,into an unnamed tributary into Richland Creek at outfall 002. Before water flows into the creek,it
passes through our primary de-chlorination point where we use sodium sulfite tablets to remove residual chlor-
animated water from the filter backwashes.
During periods where we are performing maintenance activities with our two lagoon pumps,we can close off outfall
002 and discharge from outfall 001. Outfall 001 discharges from the south lagoon by gravity prior to entering the
small decant lagoon.
The lagoons are operated in series and,staff at the water treatment plant alternate lagoons,using one lagoon as a
primary treatment and the other lagoon as secondary treatment. These roles alternate depending on the sludge level in
each lagoon. Since the North lagoon was recently cleaned out in 2019,it currently serves as our primary lagoon.
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
9. Number of separate discharge points: 2 Outfall Identification number(s) 001 and 002
10. Frequency of discharge: Continuous ® Intermittent ❑
If intermittent:
Days per week discharge occurs: Duration:
11. Plant design potable flowrate 24 MGD
Backwash or reject flow 1.0 -2.5 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitudes
Unnamed tributary to Richland Creek in the Cape Fear River basin
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Alum / aluminum sulfate Yes X No
Iron sulfate / ferrous sulfate Yes No X
Fluoride Yes X No
Ammonia nitrogen / Chloramines Yes X No
Zinc-orthophosphate or sweetwater CP1236 Yes No X
List any other additives below:
Clairifloc A 3310 (polymer), Sodium Hydroxide, Sodium Hypochlorite, and
DC 22-L Corrosion Inhibitor (blended silicate-phosphate compound)
14. Is this facility located on Indian country? (check one)
Yes ❑ No
15. Additional Information:
y Provide a schematic of flow through the facility, include flow volumes at all points in
the water treatment process. The plan should show the point[s] of addition for
chemicals and all discharges routed to an outfall [including stormwater].
Solids Handling Plan
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
16. NEW Applicants
Information needed in addition to items 1-15:
• New applicants are strongly recommended to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ No
• Analyses of source water collected
• Engineering Alternative Analysis
• Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
A R1.1 4. o v f Z PL)(b o roc eCC-A FL
Printed name of Person Signing Title
4.-A• 2/3/;/z3Z,
plicant nature of Date
g
North Carolina General Statute 143-215.6 (b)(2)provides that: Any person who knowingly makes any false statement representation,or certification in any application,
record,report,plan,or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that
Article,or who falsifies,tampers with,or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or
regulations of the Environmental Management Commission implementing that Article,shall be guilty of a misdemeanor punishable by a fine not to exceed$25,000,or by
imprisonment not to exceed six months,or by both. (18 U.S.C.Section 1001 provides a punishment by a fine of not more than$25,000 or imprisonment not more than 5
years,or both,for a similar offense.)
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Solids Handling Plan for the City of High Point
Solids Handling for the City of High Point is a coordinated effort between the Public Service Division and The City of High
Point Finance department. Solids are managed and monitored by staff at the Water treatment plant and Wastewater treatment
plants. The Water Plant Superintendent and Residual Management Superintendent monitor for the excessive buildup of
solids in the lagoons and initiate the budget process of selecting an approved"Residuals Handling"contractor. The City of
High Point Finance department awards the solids handling removal based off;price,quality of products offered,general
reputation of the bidder,conformity of intent of the specification and bidders'previous performance. Once a bidder is
accepted,they are required to adhere to the specification of the bid documents.
As solids build up in the lagoons from the Water Treatment process,the solids are divided into two lagoons(the north and
south lagoons). The lagoons operate in series with the lagoon having the less solids becoming our primary lagoon. On a
rotating bi-annual basis,either the North or South, lagoon is cleaned out by a City approved contractor.
The specifications for our most recent Solids Handling event,which occurred in February 2019,are described below,with a
list of Contractor proposals and responsibilities:
SPECIFICATIONS:
Alum Sludge Dewatering-Ward Water Treatment Plant
1.0 Scope of Work
The City of High Point is issuing this bid for a Contractor to dewater the Ward Treatment Plant's alum sludge lagoon
(north)contents. The dewatered sludge shall be delivered to a container to be supplied by the Contractor. The material will
be removed by the Contractor,hauled to a regulatory approved designated disposal area,and properly disposed of per State
Requirements. The Contractor may stockpile the dewatered sludge,if necessary,to permit disposal during the disposal
area's normal operating hours.
Contract Time: 90 Days.
Liquidated Damages: $750 dollars per day
2.0 Contractor Proposal and Responsibilities
The Contractor shall be responsible for the following work and for specifying in his proposal a brief narrative discussing the
following:
1. Dewatering bids shall be based on the use of automated,vacuum dredging equipment and a High Solids,High
Performance Centrifuge for dewatering the alum sludge residuals. Belt press proposals will not be considered.
2. A list of his equipment and power requirements for that equipment. The Contractor shall be allowed to connect to
existing power at facility. The power is supplied and paid by the City of High Point.
3. The Contractor shall supply the necessary electrician to connect the equipment including,but not limited to;
supplying all wiring,breakers,panels,etc.;making the terminations;and dismantling the equipment at the conclusion of the
project. Power will be 480 Volt,3 Phase,with(2)400-amp breakers. This is fed by a 600-amp fused disconnect with(3)
600-amp delay fuses.
4. The Contractor is responsible for providing all hook-ups,hoses,backflow preventer and metering device necessary
for any clean water requirements. Water usage will be monitored with meter,but not charged.The City shall provide access
to site fire hydrants.
5. Any hoses that cross roads or driveways are required to have covers.
6. The Contractor is required to produce a sludge cake with solids concentration of 18%or greater. No payment will
be given for sludge cakes less than 18%.
7. The use of Expanded Perlite or chemical absorbents will not be allowed. Only the addition of polymer to assist with
bulking will be allowed.
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
8. All chemicals used and delivered to the Ward site are to be documented and copies of trucking manifests are to be
given to the plant for any deliveries. Contractor is also required to give the plant copies of SDS sheets for all materials
brought on site.The contractor shall be responsible for all safety equipment and compliance with all aspects of chemicals
used on the Ward Water Plant site. Ward Plant personnel shall escort any deliveries to contractor.
9. Dosage rates for sludge processing are to be logged for each day. This log will be turned in each week.
10. Under the base bid,the dewatered sludge shall be delivered to a container to be supplied by the Contractor.Tandem
trucks and/or Dump Trailers are preferred for hauling. Roll-off containers will NOT be allowed for hauling. The material
shall be removed by the Contractor,hauled to a regulatory approved designated disposal area and properly disposed of. The
base bid shall include the Contractor's responsibility to fmd a regulatory approved designated disposal area and pay all
haulage and disposal fees.
11. Under the base bid,the Contractor shall specify the intended fmal regulatory approved destination for disposal. The
Contractor shall supply copies of tipping tickets to the City. Payment shall be made only based on the recorded weights.
12. The Contractor may stockpile the dewatered sludge,if necessary,to permit disposal during the normal operating
hours of the disposal site. Stockpile locations shall be the Contractor's responsibility.
13. On-site stockpiling is available. If the Contractor should decide to stockpile dewatered sludge on-site(Ward Plant
pad),sufficient containment shall be used to keep the stockpile contamination from soils and drains. Any stockpiled sludge
hauled away for disposal shall be no less than 18%solids concentration. It shall remain the Contractor's responsibility to
maintain the stockpile area during process and clean area before exiting the job. This on-site stockpiling requirement shall
be acknowledged in the proposal.Any spillage of dewatered sludge on public streets/other property domain shall be the
total responsibility of the contractor for the cleanup,to include all cleanup expenses and/or damages that may occur.
14. The anticipated time frame in which the project will be completed,as well as the anticipated work schedule:The
plant site is accessible for after hour operations with proper notification and coordination with Plant Staff.
15. Please provide a summary of previous clients with whom similar projects have been performed within the last three
(3)years.The summary must include the company or facility name,contact person,address,telephone number,as well as a
description of the project including volume/quantity of solids in sludge cake and duration of project.
16. The Contractor must be registered and licensed to perform work in North Carolina.
17. The sludge pump shall be equipped to indicate the amount of wet sludge removed from the basin.
18. The Contractor shall perform%dryness tests for all trucks. A sample log is attached that the Contractor will
maintain for this contract. This data will be provided to the Owner.
19. Contractor shall maintain a clean site. Any damaged areas are to be restored to original site condition.
20. Contractor shall provide Sanitary conveniences,in sufficient numbers,for the use of all persons employed on the
work,and properly screened from public observation,shall be provided and maintained at suitable locations by the
Contractor,all as prescribed by State Labor Regulations and local ordinances. The contents of same shall be removed and
disposed of in a manner consistent with local and state regulations,as the occasion requires. The Contractor shall rigorously
prohibit the committing of nuisances within,on,or about the work. Sanitary facilities shall be removed from the site when
no longer required.
21. The Contractor shall obtain and maintain adequate liability insurance to,completely and fully,protect the City
against all claims and actions arising out of any and all property damages or personal injury or death. At a minimum,this
general liability insurance will be in the amount of$1,000,000 per occurrence.
22. Estimated Quantities:
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
The City has had the North Lagoon at Ward surveyed for sludge volume data.
a. Lagoon Depth 14 feet
b. Suspended Solids Concentration 2.8%-4.5%
c. Lagoon Sludge Volume 9 MG
d. Estimated Dry Weight(North Lagoon) 1400 Dry Tons
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NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
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