NC0085111_Permit Issuance_20080211

NPDES DOCUWENT SCANNING COVER SHEET
NC0085111
Heather Glen
WTP
NPDES Permit:
Document Type: (
Permit Issuance '`‘,
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Staff Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Permit
History
Document Date:
February 11, 2008
This document its printed on reuse paper - ignore any
content on the reverse side

Michael F. Easley, Govemor
State of North Carolina
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
Mr. Richard J. Durham, P.E.
Regional Director
Utilities, Inc.
P.O. Box 240908
Charlotte, North Carolina 28224-0908
Dear Mr. Durham:
February 11, 2008
SCANNED
DATE: Z/ 3 7/
Subject: NPDES PERMIT ISSUANCE
Permit Number NC0085111
Heather Glen WTP
Durham County
Division personnel have reviewed and approved your application for renewal of the subject
permit. Accordingly, we are forwarding the attached final NPDES discharge permit. This permit is
issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the
Memorandum of Agreement between North Carolina and the U.S. Environmental Protection
Agency dated October 15, 2007 (or as subsequently amended).
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within
thirty (30) days following receipt of this letter. 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, North Carolina 27699-
6714). Unless such demand is made, this permit shall be final and binding.
Please take notice that this permit is not transferable. This permit does not affect the legal
requirements to obtain other permits which may be required by the Division of Water Quality or
permits required by the Division of Land Resources, Coastal Area Management Act, or any other
Federal or Local governmental permits which may be required.
If you have any questions or need additional information, please do not hesitate to contact
Maureen Crawford of my staff at [phone], extension 538.
cc: Central Files
NPDES Unit Files
Raleigh Regional Office
Sincerely,
1
r : Coleen H. Sullins
Director, Division of Water Quality
1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROLINA 27699-1617 - TELEPHONE [phone]/FAX [phone]
VISIT US ON THE WEB AT http://h2o.enr.state.nc.us/NPDES

Permit NC0085111
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards
and regulations promulgated and adopted by the North Carolina Environmental Management
Commission, and the Federal Water Pollution Control Act, as amended,
Carolina Water Service of NC, Inc.
is hereby authorized to discharge wastewater from a facility located at the
Heather Glen WTP
Heather Ridge Subdivision
Durham County
to receiving waters designated as an unnamed tributary to Sevenmile Creek in the Neuse River Basin in
accordance with effluent limitations, monitoring requirements, and other conditions set forth in Parts I,
II, III and IV hereof.
This permit shall become effective March 1, 2008.
This permit and authorization to discharge shall expire at midnight on January 31, 2013.
Signed this day February 11, 2008.
k'br : Coleen H. Sullins, Direct
Division of Water Quality
By Authority of the Environmental Management Commission

7
Permit NC0085111
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby
revoked. As of this permit issuance, any previously issued permit bearing this number is no
longer effective. Therefore, the exclusive authority to operate and discharge from this facility
arises under the permit conditions, requirements, terms, and provisions included herein.
Carolina Water Service of NC, Inc. is hereby authorized to:
1. Continue to operate a drinking -water treatment plant with a discharge of filter -backwash
wastewater. This facility is located in the Heather Ridge Subdivision at the Heather Glen WTP
near Durham in Durham County.
2. Discharge from said treatment works at the location specified on the attached map into an unnamed
tributary to Sevenmile Creek, classified WS-IV NSW waters in the Neuse River Basin.

Carolina Water Service of NC, Inc.
Heather Glen WTP
County: Durham Stream Class: WS-IV, NSW
Receiving Stream: UT Sevenmile Creek Sub -Basin: 030401
Latitude: 36° 05' 14" Grid/Quad: C23SW
Loneitude: 78° 58' 34"
Facility
Location
(not to scale)
NORTH
NPDES Permit No. NC0085111

Permit NC0085111
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS - FINAL
During the period beginning March 1, 2008 and lasting until expiration, the Permittee is authorized to
discharge filter backwash from outfall 001. Such discharges shall be limited and monitored by the
Permittee as specified below:
EFFLUENT
CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
_
Daily
Maximum
Measurement.
Frequency
Sample
Type „
Sample
Location'
Flow
.003 MGD
Monthly
Instantaneous
Effluent
Total Suspended Solids
30.0 mg/L
45.0 mg/L
2/Month
Grab
Effluent
pH
6.0 — 9.0 s.u.
2/Month
Grab
Effluent
Total Residual Chlorine
17 µg/L
2/Month
Grab
Effluent
Total Iron
Monthly
Grab
Effluent
Turbidity2
Monthly
Grab
Upstream &
Downstream
Total Manganese
Monthly
Grab
Effluent
Total Nitrogen (TN)3
Monitor & Report (mg/L)
Quarterly
Grab
Effluent
Nitrate/Nitrite Nitrogen
(NO2 + NO3)
Monitor & Report (mg/L)
Quarterly
Grab
Effluent
Total Kjeldahl Nitrogen
(TKN)
Monitor & Report (mg/L)
-
Quarterly
Grab
Effluent
Total Phosphorus
Monitor & Report (mg/L)
Quarterly
Grab
Effluent
Footnotes:
1. Upstream = at least 50 feet upstream from the outfall. Downstream = at least 50 feet downstream
from the outfall.
2. The discharge from this facility shall not cause turbidity in the receiving stream to exceed 50 NTU.
If the instream turbidity exceeds 50 NTU due to natural background conditions, the discharge
cannot cause turbidity to increase in the receiving stream.
3. For a given wastewater sample, TN = TKN + NO3-N + NO2-N, where TN is Total Nitrogen, TKN
is Total Kjeldahl Nitrogen, and NO3-N and NO2 are Nitrate and Nitrite Nitrogen, respectively.
All samples collected should be from a representative discharge event.
THERE SHALL BE NO DISCHARGE OF FLOATING SOLIDS OR VISIBLE FOAM IN OTHER THAN TRACE AMOUNTS.

MEMORANDUM
To:
From:
Subject:
December 19, 2007
Michael Douglas
NC DENR / DEH / Regional Engineer
Raleigh Regional Office
Maureen Crawford
919-733-5083 x-538
NPDES Unit
Review of Draft NPDES Permit NC0085111
Carolina Water Service of NC, Inc. / Heather Glen WTP
Durham County
Michael F. Easley, Governor
State of North Carolina
William G. Ross, Jr., Secretary
Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
DEC 2 8 2007
t" a
_1
I DENR RALEIGH REGIONAL OFFICE -
Please indicate below your agency's position or viewpoint on the draft permit and return this form by January 18,
2008. If you have any questions on the draft permit, please feel free to contact me at the telephone number shown
above.
RESPONSE: (Check one)
Concur with the issuance of this permit provided the facility is operated and maintained properly, the stated
effluent limits are met prior to discharge, and the discharge does not contravene the designated water quality
standards.
Concurs with issuance of the above permit, provided the following conditions are met:
Opposes the issuance of the above permit, based on reasons stated below, or attached:
1617 MAIL SERVICE CENTER, RALEIGH, NORTH CAROUNA 27699-1617 - TELEPHONE [phone]/FAX [phone]
VISIT US ON THE WEB AT http://h2o.enr.state.nc.us/NPDES

AFFIDAVIT OF PUBLICATION
State of North Carolina
County of Durham
Thomas Tuttle, being duly sworn, says that he is the Principal
Clerk of PMG, LLC, doing business as The Herald -Sun, a
newspaper published in and of general circulation in said
County, and that a notice of which the annexed is a True
Copy, was published in said newspaper one time on the 22nd,
day of December, 2007.
Principal Clerk
Sworn to and subscribed before me this 26th day of
December, 2007.
My Commission Expires: November 7, 2011
Durham County, North Carolina
;v
PUBLIC NOTICEOLINA
STATE OF NORTH
ENVIRONMENTAL
ALMNAEM TNT COMMIS-
SION/NPDES1617 MAIL SERVICE CENTER
RALEIGH, NC 27699.1 7 TO A
NOTIFICATION OWPERMIT and .
NPDES WASTEWATERh staff review
Onapplication the basis ofC thorough real Statute 1 .awful
5.1
andllcahon C 02H.0109 and
and 15Ad NCAC regulations, the North Caro -
standards•
and f to Management Commis-
sion Emir es to Environmental
e a National Pollutant
Dion Discharge
to System (NPDES)
per
wastewater
Elimination permit to the per-
wastewater discharge
geffctive 45 day
S the publ listed
publish date ot this notice.
ervice of .N.C., Inc., P.O.
Carolina Water Charlotte, North Carolina
Box 24 as a lied for renewal of NPDES
Heather Glen WTP
28224 has applied ermitted facility
in
Permit am County. This p ant un-
namedd Durham wastewater to
es teateo ile Creek in the.
discharges to Sevens; CBOD and
tributary Basin. Currently, CBOD
limited.
a ammonia Bgen are water q
This dis are may affect future allocations
in is discharge the proposed
in this n coion omen s regarding days after
Wrpeitten comments accepted until 30 All com-
ments p will be ecc this notice.in
the publish date ot are considered
masts prior determinations thatdateare
the pro-
posedM-
the final permit.
Thirector of the NC
a
ionWater Quality may decide to permit
pun .of f° o ed de-
gree he Divisng ionorreceive pa significant
ghould the sup_ f
toe ot public interest• permit and other to de-
p0rtes ot the draft p file used
porting information resent in the draft per-
mitterconditions present request and pay- 1
e are available costuof reproduction.
ment of the request ter forQinformation
ratation Ii
to the
and/or
vson of pins Sprinkle
to the ddress, or contact at the Point
above extension 363
(Source3B Branch. Please include the NPDES
NC0085111) in any commu-
ersons also visit
permit number ( at 512 N.
the Division
Interested P may bet -
the D Street. Raleigh, Quality
27604-11
48 Salis-
bury hours of 8:00 a.m. and 5:00p.M.
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NEUSE PERMITTING SUMMARY - NUTRIENTS
SEP 2007
Permit
Permittee
Facility
Subbasin
Total Nitrogen
Total Phosphorus
Estuary
Alloc'n
Ib/yr
Discharge
Alloc'n
I b/yr
Effluent
Limitation
Iblyr
Monitoring Frequency
Conc.
Mass
Effluent
Limita ion (a)
mg/L
Avg. Per.
Monitoring
Frequency
NC0085111
Carolina Water Service, Inc. NC
Heather Glen WTP
Note (a) More stringent limits may be specified if necessary to protect local water
quality.
Note (b) Based on having no flow limit. — Also, can reduce to 1/Qtr for extreme
exceptions, such as seasonal discharges, low flows, WTPs < 0.005 MGD, ,�
GW remediation, others wl 1/Qtr standard frequency
30401
NA
NA
1/Month (b)
Monthly
NA
NA
1/Month (b)
fuce2-2,Leo, .6(ed
neuse kickoff pkt 2008.xls, summ2
- 1 - 12/18/2007

(('VlltIes. Inc
Regional Office:
PO Box 240908
Charlotte, NC 28224-0908
Phone [phone]
Fax [phone]
July 23, 2007
Charles H. Weaver, Jr.
NPDES Unit - DWQ
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Re: Renewal Application
NPDES Permit NC0085111
Heather Glen WTP
Durham County
Dear Mr. Weaver:
JUL 2 6 2OC'
In response to your letter dated June 11, 2007, please find enclosed the
completed renewal application for the above referenced facility.
Please let me know if you have any questions, or need additional information
regarding this matter.
Sincerely,
Rich J. Durham, P.E.
Regnal Director
Enclosure
Cc: Danny Lassiter
Kerry Walton
Mary Armentrout

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number
NC0085111
JUL 2 6 al
-
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
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
Carolina Water Service, Inc. of NC
Heather Glen WTP
P.O. Box 240908
Charlotte
NC / 28224-0908
[phone]
[phone]
[e-mail]
2. Location of facility producing discharge:
Check here if same as above 0
Street Address or State Road
City
State / Zip Code
County
off Tavistock Drive
Durham
NC
Durham
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 Carolina Water Service, Inc. of NC
Mailing Address P.O. Box 240908
City Charlotte
State / Zip Code
Telephone Number
Fax Number
4. Ownership Status:
NC / 28224-0908
[phone]
[phone]
Federal
Page 1 of 3
State ❑
Private ® Public ❑
C-WTP 03/05

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
❑ 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)
Ground water
7. Describe the treatment process(es) for the raw water:
Green sand filtration
7. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
Iron filterate discharged directly into receiving stream.
7. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge:
If intermittent:
Days per week discharge occurs: <1
Continuous 0 Intermittent El
11. Plant design potable flowrate .036 MGD
Backwash or reject flow .003 MGD
Duration: 50 min.
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Unnamed tributary to Sevenmile Creek
12. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Page 2 of 3
C-WTP 03/05

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Sodium hyperchlorite
Potassium permanganate
Ortho phosphate
14. Is this facility located on Indian country? (check one)
Yes ❑ No Eg
14. Additional Information:
• Provide a schematic of flow through the facility, include flow volumes at all points in
the treatment process, and point of addition of chemicals.
• Solids Handling Plan
14. NEW Applicants
Information needed in addition to items 1-15:
• New applicants must contact a permit coordinator with the NCDENR Customer
Service Center.
Was the Customer Service Center contacted? 0 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.
f?(ck"iehnt 71 24eRgern
1ee6(049G P//2F 7 '
Printed • j e of P:.. • n S' : ing Title
723»
Signature of 1. plicant ate
North Carohna 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.)
Page 3 of 3
C-WTP 03/05

FACT SHEET FOR EXPEDITED PERMIT RENEWALS
expedited permit renewal
- r
Reviewer/Date
M PC, g l I il(o7
Permit Number
.
^i000 85 II I
Facility Name
I-(ea-441er C ten VAI I P
Basin Name/Sub-basin number
kit.4 Q. O3oii D I
Receiving Stream
yr S Ve-h, rvz i 1 P, CX2e.L
Stream Classification in Permit
(/V� 1 NSti/
Does permit need NH3 limits?
t fo
Does permit need TRC limits?
Ii el — Has
Does permit need Enteroccoci limit?.
NIa
Does permit have toxicity testing?
p
Does permit have Special Conditions?
• -
Does permit have instream monitoring?
VgS
Is the stream impaired (on 303(d) list)?
1\10
Any obvious compliance concerns?
NO
Any permit mods since last permit?
I'( p
Existing expiration date
113 / jog
New expiration date
1131 113
New permit effective date
Miscellaneous Comments
MOJI/0
YES_I. This is a SIMPLE EXPEDITED permit renewal (administrative
renewal with no changes, or only minor changes such as TRC, NH3,
name/ownership changes).
YES_ This is a MORE COMPLEX EXPEDITED permit renewal (includes
Special Conditions (such as EAA, Wastewater Management Plan),
Conventional WTP, 303(d) listed, toxicity testing, instream monitoring,
compliance concerns, phased limits). Basin Coordinator to make case -by -
case decision.
YES_ This permit CANNOT BE EXPEDITED for one of the following reasons:
• Major Facility (municipal/industrial)
• Minor Municipals with pretreatment program
• Minor Industrials subject to Fed Effluent Guidelines (lb/day limits for BOD, TSS, etc)
• Limits based on reasonable potential analysis (metals, GW remediation organics)
• Permitted flow > 0.5 MGD (requires full Fact Sheet)
• Permits determined by Basin Coordinator to be outside expedited process
TR Version 9/7/2007