HomeMy WebLinkAboutWQ0032289_Final Permit_20080627RECEIVED ! DENR I DWQ
Aquifer Protection Section
JUL 2 ?003
Ms. Stephanie Sudano, P.E.
Director of Engineering
Town of Holly Springs
P.O. Box 8
Holly Springs, North Carolina 27540
Dear Ms. Sudano:
June 27, 2008
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
C'oleen 11. Sullins, Director
Division of Water Quality
Subject: Town of Holly Springs
Modified Permit Number WQ0032289
Reclaimed Water Generation and Distribution
STAG Project No. XP-96495008
Wake County
In accordance with your application received June 26, 2008, we are forwarding herewith
Modified Permit No. WQ0032289 dated June 27, 2008, to the Town of Holly Springs for the
construction and operation of the subject wastewater treatment reclaimed water generation and
distribution system.
This modified permit shall void Permit No. WQ0032289 previously issued on March 20,
2008, and shall be effective from the date of issuance until March 19, 2013, and shall be subject
to the conditions and limitations as specified therein- Please pay particular attention to the
monitoring requirements in this permit. Failure to establish an adequate system for collecting
and maintaining the required operational information will result in future compliance problems.
Please note that this permit has no utilization users of the reclaimed water (see Section I,
Condition 4). If the Town desires to add utilization users, then this permit must be modified.
If any parts, requirements, or limitations contained in this permit are unacceptable, you
have the right to request an adjudicatory hearing upon written request within thirty (30) days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such
demands are made this permit shall be final and binding.
Upon completion of construction and prior to operation of this permitted facility, a
certification trust be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the approved plans and specifications. Mail the
Certification to Construction Grants & Loans, DWQ/DENR, 1633 Mail Service Center, Raleigh,
NC 27699-1633.
No fhCarolina
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North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service
Internet: wwvw.ncwater(lua0i .or4 512 N. Salisbury St. Raleigh, NC 27604 FAX (919) 733 ?496 1-877-623-6748
An Equal opportun4tAffirmative Acton Employer — 50% Recycled110% Post Consumer Paper
Ms. Stephanie Sudano, P.E.
June 27, 2008
Page 2
One set of approved plans and specifications is being forwarded to you. If you need
additional information concerning this matter, please contact Ken Pohlig, P.E. at (919) 715-6221.
Sincerely,
xc�t�-� /or.
Coleen H. Sullins
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cc: Michael L. Slusher, P.E. — Davis -Martin -Powell & Associates, Inc., High Point
Wake County Health Department
Raleigh Regional Office, Aquifer Protection
DWQ/Technical Assistance and Certification Unit
DWQ/Aquifer Protection Section/Land Application Unit/Central Files
DWQ/Aquifer Protection Seetion/Land Application Unit/LAU Files
Daniel Blaisdell, P.E.
Mark Hubbard, P.E.
Ken Pohlig, P.E.
STAG
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
RECLAIMED WATER GENERATION AND DISTRIBUTION PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO THE
Town of Holly Springs
In
Wake County
FOR THE
construction and operation of a reclaimed water generation and distribution system (with no
utilization currently permitted: see Section I, Condition 4) consisting of a continuous on-Iine
turbidity meter, liquid sodium hypochlorite disinfection system with dual 6 gph feed pumps and dual
330 gallon carboy storage tanks, dual 1050 gpm, 125 Hp vertical turbine reclaimed water pumps, a
totalizing flowmeter, approximately 610 linear feet of 30-inch reclaimed water force main,
approximately 18 linear feet of 16-inch reclaimed water force main, approximately 8,840 linear feet
of 12-inch reclaimed water force main, approximately 110 linear feet of 4-inch reclaimed water
force main, conversion of approximately 5,250 linear feet of 6-inch water main to reclaimed water
force main, five (5) air release valves, a 500,000 gallon elevated reclaimed water storage tank with
totalizing flowmeter, associated piping and appurtenances, pursuant to the application received June
27, 2008, and in conformity with the project plan, specifications, and other supporting data
subsequently filed and approved by the Department of Environment and Natural Resources and
considered a part of this permit.
This permit shall be effective from the date of issuance until March 19, 2013, and shall be
subject to the following specified conditions and limitations_
I. PERFORMANCE STANDARDS
I . Upon completion of construction and prior to operation of this permitted facility,
a certification must be received from a professional engineer certifying that the
permitted facility has been installed in accordance with this permit, the approved
plans and specifications, and other supporting materials. If this project is to be
completed in phases and partially certified, you shall retain the responsibility to
track further construction approved under the same permit, and shall provide a
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 2
final certificate of completion once the entire project has been completed. Mail
the Certification to Construction Grants & Loans, DWQ/DENR, 1633 Mail
Service Center, Raleigh, NC 27699-1633.
The Raleigh Regional Office, telephone number (919) 791-4200, shall be notified
at least forty-eight (48) hours in advance of operation of the installed facilities so
that an in -place inspection, can be made_ Such notification to the regional
supervisor small be made during the normal office hours from 8:00 a.m. until 5:00
p.m. on Monday through Friday, excluding State Holidays.
3. The reclaimed water generation and distribution facilities shall be effectively
maintained and operated at all times so that there is no discharge to the surface
waters, nor any contamination of ground waters that will render them
unsatisfactory for normal use. In the event that the facilities fail to perform
satisfactorily, the Permittee shall take immediate corrective actions including
those actions that may be required by the Division of Water Quality (Division),
such as the construction of additional or replacement wastewater treatment and
disposal facilities.
4. The Town of Holly Springs is authorized to distribute its generated reclaimed
water to the following facilities:
None
(Note: Adding reclaimed water utilization users requires permit modification.)
Should reclaimed water quality result in non-compliance with reclaimed water
utilization requirements in the above stated permits, then the Town of Holly
Springs shall take corrective actions to restore and /or improve the quality of the
generated reclaimed water in order to mitigate the reclaimed water user's
violations.
5. The issuance of this permit shall not relieve the Permittee of the responsibility for
damages to surface or ground waters resulting from the operation of this facility.
6. The residuals generated from these treatment facilities must be disposed in
accordance with General Statute 143-215.1 and in a manner approved by the
Division.
7. Diversion or bypassing of the untreated wastewater from the treatment facilities is
prohibited.
The following buffers shall be maintained:
a. 100 feet between wetted areas and water supply wells,
b. 100 feet between wetted areas and waters classified as SA,
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 3
C. 25 feet between wetted areas and surface waters not classified SA,
d_ 100 feet between wastewater treatment units and wells,
e. 50 feet between reclaimed water storage/irrigation ponds and property
lines, and
f. 50 feet between wastewater treatment units and property lines.
9. All reclaimed water valves, storage facilities, outlets shall be tagged or labeled to
warn the public or employees that the water is not intended for drinking. Where
appropriate, such warning shall inform the public or employees to avoid contact
with the water.
10. All reclaimed water piping, valves, outlets and other appurtenances shall be
color -coded, taped, or otherwise marked to identify the source of the water as
being reclaimed water.
a. All reclaimed water piping and appurtenances shall be either colored
purple (i.e., Pantone 522) and embossed or integrally stamped or marked
"CAUTION: RECLAIMED WATER DO NOT DRINK" or be installed
with a purple (i.e., Pantone 522) identification tape or polyethylene vinyl
wrap. The warning shall be stamped on opposite sides of the pipe and
repeated every three feet or less.
b. Identification tape shall be at least three inches wide and have white or
black lettering on purple (i.e., Pantone 522) field stating "CAUTION:
RECLAIMED WATER DO NOT DRINK." Identification tape shall be
installed on top of reclaimed water pipelines, fastened at least every 10
feet to each pipe length and run continuously the entire length of the pipe.
C. Existing underground distribution systems retrofitted for the purpose of
distributing reclaimed water shall be taped or otherwise identified as in
items a. or b. above. This identification need not extend the entire length
of the distribution system but shall be incorporated within 10 feet of
crossing any potable water supply line or sanitary sewer line.
11. All reclaimed water valves and outlets shall be of a type, or secured in a manner,
that permits operation by authorized personnel only.
12. Above -ground hose bibs (Le., spigots or other hand -operated connections) shall
not be present. Hose bibs shall be located in locked below -grade vaults that shall
be clearly labeled as being of non -potable quality. As an alternative to the use of
locked below -grade vaults with standard Dose bibs services, hose bibs, which can
only be operated by a special tool may be placed in non -lockable underground
services boxes clearly labeled as non -potable water.
13. The Permittee shall maintain an active cross -connection control program that shall
have the following minimum requirements:
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 4
a. No direct cross -connections shall be allowed between the reclaimed water
and potable water systems.
b. A reduced pressure principle backflow preventer, an approved air gap
separation, or other device approved by the Division of Environmental
Health shall be installed at the potable water service connection to the use
area where both reclaimed water and potable water are supplied to a
reclaimed water use area. The installation of the reduced pressure
principle backflow prevention device shall allow proper testing.
C. An air gap separation, approved and regularly inspected by the potable
water supplier, shall be provided between the potable water and reclaimed
water systems where potable water is used to supplement a reclaimed
water system.
iI. OPERATION AND MAINTENANCE REQUIREMENTS
l . The facilities shall be properly maintained and operated at all times.
2. Upon classification of the wastewater treatment facilities by the Water Pollution
Control System Operators Certification Commission (WPCSOCC), the Permittee
shall designate and employ a certified operator to be in responsible charge (ORC)
and one or more certified operator(s) to be back-up ORC(s) of the facilities in
accordance with 15A NCAC 8G .0201. The Permittee shall submit the ORC and
back-up ORC designations to the WPCSOCC at least 60 days prior to the
introduction of waste into the system. The designated ORC shall visit the facilities
in accordance with 15A NCAC 8G .0204 and shall comply with all other
conditions specified in these rules.
The facilities shall be effectively maintained and operated as a non -discharge
system to prevent the discharge of any wastewater resulting from the operation of
this facility.
4. Should the limit for fecal coliform (daily maximum concentration of 25 per 100
ml) or turbidity (instantaneous maximum of 10 NTU) be exceeded, all wastewater
shall be handled in one of three ways, until the levels have stabilized below these
maximum levels. The Permittee may further treat the wastewater to bring it into
compliance with reclaimed water standards without returning the water to the
facility's headworks, may reroute it to the headworks of the wastewater treatment
facility for treatment to reuse standards, or may discharge it in strict accordance
with the conditions of the facility's existing NPDES permit.
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 5
III. MONITORING AND REPORTING REQUIREMENTS
Any monitoring including but not limited to groundwater, surface water, soil or
plant tissue analyses, as deemed necessary by the Division to insure surface and
ground water protection will be established and an acceptable sampling reporting
schedule shall be followed. If sampling indicates or predicts problems with
compliance with Groundwater Standards, or Surface Water Standards, this permit
will be modified to include additional and/or more restrictive limitations.
2, As an indicator of proper operation and maintenance, the facility shall produce an
effluent in compliance with the following limitations:
Parameter Monthly Averatze' Daily (Instantaneous) Maximum
BODS (5-day, 20°C) 10 mg/l 15 mg/I
NH3 as N 4 mg/1 6 mg/1
TSS 5 mg/1 10 mg/l
Fecal Coliform 14 per 100 ml n 25 per 100 ml
Turbidity 10 NTU
a. Monthly averages for all but fecal coliform shall be the arithmetic mean of all
samples collected during the reporting period.
b. Monthly average for fecal coliform shall be the geometric mean of all samples
collected during the reporting period.
Daily maximum shall be the maximum value of all samples collected during the
reporting period.
The effluent from the subject facilities shall be monitored, by the Permittee, at the point
prior to discharge to the distribution system for the following parameters:
Parameter
Samplina Point
Sampling Freguency
Tyne of Sample
Flow
Effluent
As Used
Recording
Turbidity
Effluent
Continuous
Recording
Residual Chlorine
Effluent
Daily
Grab
Settleable Matter
Effluent
Daily
Grab
BOD5 (5-day, 20°C)
Effluent
*2/Month
Composite
TSS
Effluent
*2/Month
Composite
Fecal Coliform
Effluent
*2/Month
Grab
NH3 as N
Effluent
*2/Month
Composite
NO3
Effluent
*2/Month
Composite
TKN
Effluent
*2/Month
Composite
TDS
Effluent
**Triannually
Grab
TOC
Effluent
**Triannually
Grab
Chloride
Effluent
**Triannually
Grab
Town of"Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 6
The effluent pH shall not be less than 6.0 standard units nor greater than 9.0 standard
units.
* Twice per month sampling frequency only during the months of April through
October. During the remainder of the year, these parameters shall be monitored
monthly.
Triannually sampling shall be conducted during March, July, and November.
3. Three (3) copies of all effluent monitoring data (as specified in condition 11.12) on
Form NDMR- I shall be submitted on or before the last day of the following
month. if no reuse water was generated during the month, no monitoring needs to
be done, and the NDMR form should be submitted with a notation indicating "No
Flow". All information shall be submitted to the following address:
NC Division of Water Quality
Information Processing Unit
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
4. A maintenance log shall be maintained at this facility including but not limited to
the following items:
a. Daily sampling results including residual chlorine, settleable matter, and
dissolved oxygen in the aeration basin and at the clarifier weir.
b. Visual observations of the plant and plant site.
C. Record of preventative maintenance (changing of filters, adjusting belt
tensions, alarm testing, diffuser inspections and cleanings, etc.).
d. Date of calibration of flow measurement device.
C. Date and results of power interruption testing on alternate power supply.
5. Noncompliance Notification:
The Permittee shall report by telephone to the Raleigh Regional Office, telephone
number (919) 791-4200, as soon as possible, but in no case more than 24 hours or
on the next working day following the occurrence or first knowledge of the
occurrence of any of the following:
a. Any occurrence at the wastewater treatment facility which results in the
treatment of significant amounts of wastes which are abnormal in quantity
or characteristic, such as the dumping of the contents of a sludge digester;
the known passage of a slug of hazardous substance through the facility;
or any other unusual circumstances.
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 7
b. Any process unit failure, due to known or unknown reasons, that render
the facility incapable of adequate wastewater treatment such as
mechanical or clectricaf failures of pumps, aerators, compressors, etc.
C. Any failure of a pumping station, sewer line, or treatment facility resulting
in a by-pass directly to receiving waters without treatment of all or any
portion of the influent to such station or facility.
d. Any time that self monitoring information indicates that the facility has
gone out of compliance with its permit limitations.
Occurrences outside normal business hours may also be reported to the Division's
Emergency Response personnel at (800) 662-7956, (800) 858-0368, or
(919) 733-3300. Persons reporting such occurrences by telephone shall also file a
report in letter form within five (5) days following first knowledge of the
occurrence. This report must outline proposed actions to be taken to ensure that
the problem does not recur.
IV. GROUNDWATER REQUIREMENTS
I . Any groundwater quality monitoring, as deemed necessary by the Division, shall
be provided.
V. INSPECTIONS
Adequate inspection, maintenance, and cleaning shall be provided by the
Permittee to insure proper operation of the subject facilities.
2. The Permittee or his designee shall inspect the wastewater treatment and disposal
facilities to prevent malfunctions and deterioration, operator errors and discharges
which may cause or lead to the release of wastes to the environment, a threat to
human health, or a nuisance. The Permittee shall keep an inspection log or
summary including at least the date and time of inspection, observations made,
and any maintenance, repairs, or corrective actions taken by the Permittee. This
log of inspections shall be maintained by the Permittee for a period of three years
from the date of the inspection and shall be made available upon request to the
Division or other permitting authority.
3. Any duly authorized officer, employee, or representative of the Division may,
upon presentation of credentials, enter and inspect any property or place related to
the facility at any reasonable time for the purpose of determining compliance with
this permit; may inspect or copy any records that must be maintained under the
terms and conditions of this permit, and may obtain samples of groundwater,
surface water, or leachate.
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 8
VI, GENERAL CONDITIONS
i . This permit shall become voidable unless the facilities are constructed in
accordance with the conditions of this permit, the approved plans and
specifications, and other supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. This permit is not transferable. In the event there is a desire for the facilities to
change ownership, or there is a name change of the Permittee, a formal permit
request must be submitted to the Division accompanied by an application fee,
documentation from the parties involved, and other supporting materials as may
be appropriate. The approval of this request will be considered on its merits and
may or may not be approved.
4. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to an enforcement action by the Division in accordance with
North Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this permit does not exempt the Permittee from complying with
any and -all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction,
including but not limited to applicable river buffer rules in 15A NCAC 2B .0200,
erosion and sedimentation control requirements in 15A NCAC Chapter 4 and
under the Division's General Permit NCGO10000, and any requirements
pertaining to wetlands under 15A NCAC 2B .0200 and 2H .0500.
6. The Permittee, within 90 days following issuance of this permit, shall request
modification of NPDES Pennit No. NC0063096 issued to the Town of Holly
Springs wastewater treatment facility. The modification shall amend the existing
NPDES permit to allow the conjunctive use of reclaimed water as provided for in
this permit.
7. A set of approved plans and specifications for the subject project must be retained
by the Permittee for the life of the project.
8. An annual administration and compliance fee must be paid by the permittee
within thirty (30) days after being billed by the Division. Failure to pay the fee
accordingly may cause the Division to initiate action to revoke this permit as
specified by 15A NCAC 02T .0105(e)(3).
9. This permit in no way negates, precludes, or invalidates the most recent
reissuance of NPDES Permit No. NC0063096, and the Permittee shall continue to
comply with all conditions provided for therein.
Town of Holly Springs
Modified Permit No. WQ0032289
June 27, 2008
Page 9
10. The Permittee, at least six (b) months prior to the expiration of this permit, shall
request its extension. Upon receipt of the request, the Commission will review
the adequacy of the facilities described therein, and if warranted, will extend the
permit for such period of time under such conditions and limitations as it may
deem appropriate.
Permit issued this 27`�' day of June 2008
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission
Modified Permit No. WQ0032289
Town of Holly Springs
WQ0032289
Reclaimed Water Generation and Distribution
Issued June 27, 2008
ENGINEER'S CERTIFICATION
1, , as a duly registered Professional Engineer in the
State of North Carolina, having been authorized to observe (periodically/weekly/full time) the
construction of the Conjunctive Use Reclaimed Waster Generation and Distribution System
serving the Town of Holly Springs, located in Wake County, hereby state that to the best of my
abilities, due care and diligence was used in the observation of the following construction:
A reclaimed water generation and distribution system (with no utilization currently
permitted) consisting of a continuous on-line turbidity meter, liquid sodium
hypochlorite disinfection system with dual 6 gph feed pumps and dual 330 gallon
carboy storage tanks, dual 1,050 gpm, 125 Hp vertical turbine reclaimed water pumps,
a totalizing flowmeter, approximately 6I 0 linear feet of 30-inch reclaimed water force
main, approximately 18 linear feet of 16-inch reclaimed water force wain,
approximately 8,840 linear feet of 12-inch reclaimed water force train, approximately
110 linear feet of 4-inch reclaimed water force main, conversion of approximately
5,250 linear feet of 6-inch water main to reclaimed water force main, five (5) air release
valves, a 500,000 gallon elevated reclaimed water storage tank with totalizing
flowmeter, associated piping and appurtenances, in conformity with the project plan,
specifications, and other supporting data subsequently filed and approved by the
Department of Environment and Natural Resources.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.
Mail this Certification to: Construction Grants & Loans Section
Water Quality Section
1633 Mail Service Center
Raleigh, NC 27699-1633