NC0064378_Permit Issuance_20000412

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor
Bill Holman, Secretary
Kerr T. Stevens, Director
April 12, 2000
Mr. Ca„ B .�iie �L„ _ . C
Carolina Water Service. Inc. of North Carolina
P. O. Box 240908
Charlotte. North Carolina 28224
NCDENR
Subject:
Dear Mr. Daniel:
NPDES Permit Issuance
Permit No. NC0064378
CWS-Willowbrook Subdivision
Wake County
Division personnel have reviewed and approved your application for renewal of the subject permit.
Accordingly, we are forwarding the attached 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 May 9, 1994 (or as subsequently
amended.)
This facility's discharge is located in the Neuse River Basin, in which all streams have been
designated as nutrient sensitive waters (NSW) as a result of algal bloom problems in the estuary. The North
Carolina Environmental Management Commission recently adopted rules establishing the Neuse River Basin
Nutrient Sensitive Waters Management Strategy for the reduction of phosphorus and nitrogen inputs. The
point source rule (15A NCAC 2B .0234) is intended to reduce total nitrogen (TN) discharges by 30% by
2003. It specifies that individually permitted wastewater discharges to the Neuse River Basin with permitted
flows less than 0.5 MGD in 1995 shall be allocated a collective annual mass load of 155,400 pounds/year of
total nitrogen. This is equivalent to an allocation in the range of 5 - 10 mg/I TN for each small discharger.
Although no total nitrogen limits appear in the permit at this time, you may be subject to nitrogen
limits in the next permitting cycle. All facilities with permitted flow greater than or equal to 0.5 MGD are
receiving a TN limit in this permit cycle.
The Division recommends that you evaluate the cost of installation for nutrient removal facilities in
the event that a nutrient limit is imposed on your plant. It is also recommended that alternative discharge
options be evaluated such as such as spray irrigation, subsurface systems, wastewater reuse, or connection to a
larger regional system.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone [phone]/FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

Please note the following changes to the permit:
The inclusion of a Total Residual Chlorine limit of 17 ug/I at 0.030 MGD. This limit is added
because of the toxicity test failures of the facility. The treatment system already includes tablet
dechlorination therefore compliance with the 17 ug/I limit should be attainable. In addition, the
monitoring frequency for total residual chlorine will be increased to two times per week at
0.030 MGD and 0.060 MGD. This change was made per I5A NCAC 2B .0508 (d) for Class 11
domestic wastewater dischargers.
• The effluent limitation of 2 mg/I Total Phosphorus at 0.060 MGD will be deleted. The current
Neuse River Basin management strategy does not include TP limits for small dischargers with
a wasteflow < 0.500 MGD.
• The monitoring frequencies for Total Nitrogen and Total Phosphorus have been modified from
quarterly to twice per month. This modification was made in accordance with the Neuse River
Basin Nutrient Management Strategy. Total nitrogen shall be reported monthly in units of mg/L.
Corresponding monthly and annual mass loads for total nitrogen should also be calculated and
reported in accordance with condition A (2).
• Instream monitoring for fecal coliform and conductivity will be deleted per new DWQ policy
for 100% domestic facilities.
• The monitoring frequency for temperature at the effluent has been changed from weekly to
daily. This change was made per 15A NCAC 2B .0508 (d) for Class II domestic wastewater
dischargers.
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 a demand is made, this permit shall be
final and binding.
Please take notice that this permit is not transferable. Part 11, EA. addresses the requirements to be
followed in case of change in ownership or control of this discharge. 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 may be required.
If you have any questions or need additional information, please contact Ms. Jacquelyn Nowell at
telephone number [phone], extension 512.
Sincerely,
Original Signed By
David A Goodrich
Kerr T. Stevens
cc: Central Files
Raleigh Regional Office, Water Quality
NPDES Unit, Permit File
Point Source Compliance/Enforcement Unit

Permit NCO064378
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 provision 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, Inc. of N.C.
is hereby authorized to discharge wastewater from a facility located at the
Willowbrook Subdivision WWTP
NCSR 1004
northwest of Clayton
Wake County
to receiving waters designated as an unnamed tributary to Beddingfield 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 May- -, 206b'.
Z�
This permit and authorization to discharge shall expire at midnight on March 31, 2MS.
Signed this day Apr l-�00.
Original Signed By
David A. Goodrich
Kerr" -Stevens, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit No. NC0064378
SUPPLEMENT TO PERMIT COVER SHEET
Carolina Water Service, Inc. of N.C.
is hereby authorized to:
Continue to operate an existing 0.030 MGD wastewater treatment facility consisting of a bar
screen, grit removal, instrumented flow measurement, diffused aeration basin, clarifier,
sludge holding tank, chlorination, dechlorination, and post aeration tank located at the
Willowbrook Subdivision, on NCSR 1004, northwest of Clayton, Wake County,) and
2. After receiving an Authorization to Construct from the Division of Water Quality, construct
and operate additional treatment units for treatment of up to 0.060 MGD of wastewater, and
3. Discharge from said treatment works at the location speci
unnamed tributary to Beddingfield Creek, which is classil
River Basin.
on the atta led map into an
C�NSW wa rs in the Neuse
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Carolina Water Service, Inc.
Willowbrook Subdivision
NCO064378
,-.-/ DischargePoint \(001)
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ROAD CLASSIFICATION
PRIMARY HIGHWAY LIGHT -DUTY ROAD. HARD OR
HARD SURFACE IMPROVED SURFACE
SECONDARY HIGHWAY
HARD SURFACE m UNIMPROVED ROA =
Latitude 35141'08" Longi 07 030'01"
Map # E24NE Aub=30402
StreamClas WSTrT0NSW J
Discharge Class - "
Receiving Stream LIT toLIT to Beddingfield CreekCreek
Design Q 0.03 MGD
QUAD LOCATION Carolina Water Service
NCO064378
Wake County
Willowbrook Subdivision

A. (1). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL
Permit No. NCO064378
During the period beginning on the effective date of the permit and LASTING UNTIL EXPANSION OR EXPIRATION, the Permittee is authorized to discharge
from outfall serial number 001. Such discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Freguency
Sample
Type
Sample
Location'
Flow
0.030 MGD
Continuous
Instantaneous
I or E
BOD, 5 day, 20°C (April 1 - October 31
15.0 mg/1
22.5 m /I
Weekly
Grab
E
BOD, 5 day, 20°C November 1 - March 31
29.0 m /l
43.5 m /I
Weekly
Grab
E
Total Suspended Residue
30.0 m /I
45.0 m /I
Weekly
Grab
E
NH3 as N (April 1 - October 31)
10.0 mg/I
Weekly
Grab
E
NH3 as N (November 1 - March 31)
_ 20.0 mg/l
Weekly
Grab
E
Dissolved Oxygen2
Weekly
Grab
E, U, D
H3
Weekly
Grab
E
Fecal Coliform(geometric mean
200 / 100 ml
400 / 100 ml
Weekly
Grab
E
Total Residual Chlorine
17 /l
2/Week
Grab
E
Total Nitrogen (NO2 + NO3 + TKN)4
No Effluent Limit (mg/1)
No Effluent Limit (lb/mo)
No Effluent Limit (lb/yr)
2/Month
Monthly
Annually
Grab
Calculated
Calculated
E
Total Phosphorus
2/Month
Grab
E
Temperature, °C
Daily
Grab
E
Temperature, °C
I
Weekly
Grab
U, D
Chronic Toxicit 5
I
Quarterly
Composite
E
Footnotes:
' Sample locations: E - Effluent, I - Influent, U - Upstream at least 50 feet, D - Downstream at least 300 feet below the discharge point.
2 The daily average dissolved oxygen effluent concentration shall no be less than 6.0 mg/l.
3 The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
4 See Special Condition A. (3). Total Nitrogen Monitoring.
5 Chronic Toxicity (Ceriodaphnia) P/F at 90%; January, April, July and October; See Special Condition A. (4).
There shall be no discharge of floating solids or visible foam in other than trace amounts.

A.(2). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS FINAL
Permit No. NC0064378
During the period beginning UPON EXPANSION AND LASTING UNTIL EXPIRATION, the Permittee is authorized to discharge from outfall serial number 001.
Such discharges shall be limited and monitored by the Permittee as specified below:
EFFLUENT CHARACTERISTICS
LIMITS
MONITORING REQUIREMENTS
Monthly
Average
Weekly
Average
Daily
Maximum
Measurement
Frequency
Sample
Type
Sample
Location'
Flow
0.060 MGD
Continuous
Recording
I or E
BOD, 5 day, 20°C (April 1 - October 31
5.0 m /I
7.5 m /I
Weekly
Composite
E
BOD, 5 day, 20°C November 1 - March 31
10.0 m /I
15.0 m /I
Weekly
Composite
E
Total Suspended Residue
30.0 m /I
45.0 m /I
Weekly
Composite
E
NH3 as N (April 1 - October 31)
2.0 mg/I
Weekly
Composite
E
NH3 as N (November 1 - March 31)
4.0 mg/I
Weekly
Composite
E
Dissolved Oxygen2
H3
Weekly
Weekly
Grab
Grab
E, U, D
E
Fecal Coliform(geometric mean
200 / 100 ml
400 / 100 ml
Weekly
Grab
E
Total Residual Chlorine
17 /I
2Meek
Grab
E
Total Nitrogen (NO2 + NO3 + TKN)4
No Effluent Limit (mg/1)
No Effluent Limit (lb/mo)
No Effluent Limit (lb/yr)
2/Month
Monthly
Annually
Composite
Calculated
Calculated
E
Total Phosphorus
2/Month
Composite
E
Temperature, °C
Dail
Grab
E
Temperature, °C
Weekly
Grab
U, D
Footnotes:
Sample locations: E - Effluent, I - Influent, U - Upstream at least 50 feet, D - Downstream at least 300 feet below the discharge point.
2 The daily average dissolved oxygen effluent concentration shall no be less than 6.0 mg/l.
3 The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
See Special Condition A.(3)., Total Nitrogen Monitoring.
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Permit NCO064378
SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS
A (3). TOTAL NITROGEN MONITORING
The Permittee shall calculate the annual mass loading of total nitrogen as the sum of monthly
loadings, according to the following equations:
(1) Monthly Mass Loading (lb/mo) = TN x Q x 8.34
where:
TN = the average total nitrogen concentration (mg/L) of the composite samples
collected during the month
Q = the total wastewater flow discharged during the month (MG/mo)
8.34 = conversion factor, from (mg/L x MG) to pounds
(2) Annual Mass Loading (Ib/yr) = E (Monthly Mass Loadings) for the calendar year
The Permittee shall report the total nitrogen concentration for each sample and the
monthly mass loading in the appropriate self -monitoring report and the annual mass
loading of total nitrogen in the December self -monitoring report for the year.

Permit No. NCO064378
SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS
A (4). CHRONIC TOXICITY PERMIT LIMIT (QUARTERLY)
Qw = 0.030 MGD
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant mortality
to Ceriodaphnia dubia at an effluent concentration of 90 %.
The permit holder shall perform at a minimum, quarterly monitoring using test procedures outlined in the
"North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
January, April, July, and October. Effluent sampling for this testing shall be performed at- the NPDES
permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV below the
permit limit, then multiple -concentration testing shall be performed at a minimum, in each of the two
following months as described in "North Carolina Phase II Chronic Whole Effluent Toxicity Test
Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the months in which tests were performed, using the parameter code TGP3B
for the pass/fail results and THP3B for the Chronic Value. Additionally, DWQ Form AT-3 (original) is to be
sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Branch no later
than 30 days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if chlorine
is employed for disinfection of the waste stream.

Permit No. NCO064378
SUPPLEMENT TO EFFLUENT LIMITATIONS
AND MONITORING REQUIREMENTS
SPECIAL CONDITIONS
(continued)
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the report
with the notation of "No Flow" in the comment area of the form. The report shall be submitted to the
Environmental Sciences Branch at the address cited above.
Should the permittee fail to monitor during a month in which toxicity monitoring is required, monitoring will
be required during the following month.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of
Water Quality indicate potential impacts to the receiving stream, this permit may be re -opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls, shall
constitute an invalid test and will require immediate follow-up testing to be completed no later than the last
day of the month following the month of the initial monitoring.

PERMIT NOTES
NCO064378
3/22/00 - reviewing notes for CWS - Willowbrook Sub. All permit limits for BOD5, TSS,
NH3 and DO have been met since 10/98. There are still problems with the chronic toxicity
test @ 90% at 0.030 MGD. Since Oct. 1998, there have been two FAILs that occurred in
April and July '99. Facility passed tox tests in Jan., May and Oct. 1999. K. Robeson of
AQ TOX reports that the January 2000 test was passed also. Had called for her opinion on
discontinuing the tox test when facility expands to 0.060 MGD. Previously issued permits
included no tox test upon expansion to 0.060 MGD. Although there have been some
FAILs she recommended continuing with permit as written and discontinuing the tox text
at the higher flow. Lower NH3 limits of 2 mg/1 (summer) and 4 mg/1 (winter) will be
applied at 0.060 MGD, because of facility's discharge into a zero flow stream.
The facility has some high chlorine values that could have affected the tox test results.
Will renew existing limits for oxygen consuming parameters and will also recommend the
following modifications.
1) Deletion of TP limit at 0.060 MGD that was included in the 1998 draft, because
current Neuse management strategy does not include or recommend TP limits for small
discharges with <0.500 MGD.
2) Addition of 17 ug/1 total residual chlorine limit @ 0.030 MGD. Facility already has
TRC limit in permit upon expansion to 0.060 MGD. After discussion with Kirk
Stafford of RRO, he recommends the limit because of toxicity failures and the high
chlorine values reported by DMRs. In the months with toxicity failures, TRC values
were between 300 — 500 ug/l. After conversation with operator for Willowbrook, he
notes that the treatment system consists of bar screen, 3000-gallon aeration basin,
clarifier, tablet chlorination, tablet dechlorination and post aeration tank. If dechlor is
already at plant, the TRC values do not indicate that it's being used. The operator
seemed to think that elevated conductivity might be the problem.
Following notes by M. Cabe in 1998
CWS - Willowbrook S/D Class II Request for renewal.
CWS does not wish to be part of the Neuse trading association.
9/2/98 Received application, short form D, and $200.
9/ 18 Coerper wrote ack letter.
CF Notes:
Compliance inspection 1/29/97 by Daniel Rowe, facility in compliance.
ACB064378 issued 10/16/96, but no engineers certification received to date. Letter
sent to facility 6/30/97 requesting status on ATC. ATC included dechlorination.

Called Stan Taylor, Triangle Environmental, 3/26. He says the construction is
complete and that Rich Demissimo will call next week and send the eng cert.
15 tox fails since 10/94. I don't think the tox test should be dropped at the higher flow
as is in the last permit, due to the large number of fails. They will have 2/4 NH3
limits at the higher flow, but their NH3 avg has been 0.61 and 3.61 for the last 2
years. RO please comment. Fails could be caused by high TRC, is the facility
using dechlor tablets?
Receiving Stream: UT to Beddingfield Creek Index #: 27-37
From source to Neuse River 5/1/88 C-NSW
SR states stream is WS-III NSW, because there are water intakes downstream
RO please confirm.
WLA 1/14/93 FK
5/7/91 facility requested higher NH3 limits at 0.03 and the tox test. Lower NH3 limits
and no tox test required at 0.06 MGD.
Compliance data and DMRs: No fails, but chlorine is high; avg = 775 and 613 µg/l,
max = 1100 and 1100 µg/1 in last 2 years.
3/27 Drafting permit:
To Mark McIntire for review.
Public Notice: 4/22/98 Issue: 6/8/98
Received RO comments. Wake County DEH would like ESB to do a toxicity
evaluation. Passed this on to ASTU.
6/19 Matt Matthews called to ask about the RO comments. He will call JD Hester.

�Cm V4
WILLOWBROOK S/D Permit No. NC0064378
Beddingfield Creek upstream of the Neuse River is classified C-NSW. WS starts after the confluence o -
the two streams. Stream class should be changed on the SUPPLEMENT TO COVER SHEET.
This facility is currently uses dechlor tablets, some problems with tox test failures have continued. Wake
Co. recommends that an aquatic tox evaluation of the effluent be determined by the Environ. Sciences
Section as ammonia and chlorine may not be the only toxic constituents present. /
cacd
p rt1 .5 �nl r o

NCDENR
JAMES B. Hu NTJR.
GOVERNOR
WAYNE McDmTT
SECRETARY
UNDA C. SEWAT-L
DIRECTOR
z '
n
{
9
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL HEALTH
PUBLIC WATER SUPPLY
MEMORANDUM
TO: David Goodrich
Discharge Permits Unit
Division of Environmental Management
FROM: Linda Sewall/" �
Division Director
Division of Environmental Health
DATE: April 30, 1998
SUBJECT: Draft National Pollutant Discharge
Elimination System Permit #NC0064378
Willowbrook Subdivision
Wake County
Reference is made to the above mentioned Draft National Pollutant
Discharge Elimination System Permit. We have reviewed this permit
application and determined that the proposed discharge will not be
sufficiently close to any existing or known proposed public water supply
intake so as to create an adverse effect on water quality.
We 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.
If we can be of further assistance, please contact us.
LS/WAH/ncp
cc: J. Wayne Munden
Michael L. Douglas
3800 BARRETT DRIVE, SUITE 101, RALEIGH, NORTH CAROLINA 27609
PHONE [phone] FA%919-S71-471B
AN EQUAL OPPORTUNITY/AFFIRMATIVE ACTION EMPLOYER -509y' RECYCLED/10%POST-CONSUMER PAPER
6.

DENR/DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES No. NCO064378
Facility Information
(L) Facility Name:
CWS - Willowbrook S/D
(2.) Permitted Flow, MGD:
0.03 / 0.06
(5.) County:
Wake
(3.) Facility Class:
II
(6.) Regional Office:
Ralei h
(4.) Facility/Permit Status:
(i.e. New, Modification,
Existing or Renewal)
Renewal
(7.) USGS Topo Quad:
E25NW
Stream Characteristics
(L) Receiving Stream:
UT to Beddingfield Creek
(2.) Stream Classification:
WS-III NSW
(6.) Winter 7Q10 (cfs):
0
(3.) Subbasin:
`03-04-0
(7.) 30Q2 (cfs):
0.05
(4.) Drainage Area (mi ):
(8.) Average Flow (cfs):
0.25
(5.) Summer 7Q10 (cfs)
0
(9.) IWC (%):
90
Changes Incorporated into Permit Renewal
Proposed Changes
Parameters Affected
Basis for change(s)
Updated language
Toxicity test
Newer language 11/95
9 ave T-Plimit -"-0-mg/lTP-at-O
Neuse-s 6A-Sty. r
Daily to 2/week
TRC at 0.030
.0500 re s
Weekly to daily
Temp (E)
.0500 re s
Quarterly to Monthly
Added footnotes and special
condition for TN
TP and TN
Neuse strategy
Summary
ACB064378 issued 10/16/96, but no engineer's certification received to date. Letter sent to facility
6/30/97 requesting status on ATC. ATC included dechlorination.
Called Stan Taylor, Triangle Environmental, 3126. He says the construction is complete and that Rich
Demissimo will call next week and send the eng cert. Added dechlorination to the supp to
cover page description.
WLA 1/14/93 FK 5/7/91 facility requested higher NH3 limits and the tox test at 0.03 MGD. Lower
NH3 limits and no tox test required at 0.06 MGD.
Compliance data and DMRs: No fails, but chlorine is high; avg = 775 and 613 µg/l, max = l 100 and
1100 µg/I in last 2 years.
Removed'BOD5 and NH3 Loadings' Special Condition - the facility already has these limits in their
permit.
15 tox fails since 10/94. The tox test will be removed and they will have 2/4 NH3 limits at the
higher flow, but their NH3 avg has been 0.61 and 3.61 for the last 2 years. Fails could be
caused by high TRC, is the facility using dechlor tablets? RO please comment.
Receiving Stream: UT to Beddingfield Creek Index # 27-37
From source to Neuse River 5/l/88 C-NSW RO please confirm.
SR states stream is WS-III NSW, bec Ilse th re water intakes downstream.
Page 1
Version: March 31, 1998

DENR/DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES No. NC0064378 (Continued)
Proposed Schedule for Permit Issuance
Draft Permit to Public Notice: 4/22/98
Permit Scheduled to Issue: 6/8/98
State Contact
If you have any questions on any of the above information or on the attached permit,
please contact Mary Cabe at [phone], extension 518.
Copies of the following are attached to provide further information on the permit development:
• Reasonable Potential Analysis (majors only)
• Existing permit effluent sheets with changes noted (existing facilities only)
• Draft Permit
Recommendation
Regional Office Comments
3
Signature:
Regional Recommendation by: S qg
Reviewed By:
Signature:
Date:
Regional Supervisor:
Sign re:
at
NPDES Unit:
txv1,,
Page 2
Version: March 27, 1998

PERMIT NOTES
NCO064378 CWS - Willowbrook S/D Class H Request for renewal.
CWS does not wish to be part of the Neuse trading association.
9/2/98 Received application, short form D, and $200.
9/18 Coerper wrote ack letter.
CF Notes:
Compliance inspection 1/29/97 by Daniel Rowe, facility in compliance.
ACB064378 issued 10/16/96, but no engineers certification received to date. Letter sent
to facility 6/30/97 requesting status on ATC. ATC included dechlorination.
Called Stan Taylor, Triangle Environmental, 3/26. He says the construction is
complete and that Rich Demissimo will call next week and send the eng cert.
15 tox fails since 10/94. I don't think the tox test should be dropped at the higher flow
as is in the last permit, due to the large number of fails. They will have 2/4 NH3
limits at the higher flow, but their NH3 avg has been 0.61 and 3.61 for the last 2
years. RO please comment. Fails could be caused by high TRC, is the
facility using dechlor tablets?
Receiving Stream: UT to Beddingfield Creek Index #: 27-37
From source to Neuse River 5/1/88 C-NSW
SR states stream is WS-111NSW, because there are water intales downstream
RO please confirm.
WLA 1/14/93 FK
5/7/91 facility requested higher NH3 limits at 0.03 and the tox test. Lower NH3 limits
and no tox test required at 0.06 MGD.
Compliance data and DMRs: No fails, but chlorine is high; avg = 775 and 613 µg/l, max
= 1100 and 1100 µg/1 in last 2 years.
3/27 Drafting permit:
To Mark McIntirefor review.
Public Notice: 4/22/98 Issue: 6/8/98

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCO064378
During the period beginning on the effective date of the permit and lasting until expansion above 0.03 MGD, the Pemuttee is authorized to
discharge from outfall serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characterlstic.
Flow
BOD, 5 day, 200C
Total Suspended Residue
NH3 as N
Dissolved Oxygen"
Fecal Coliform (geometric mean)
Total Residual Chlorine
Discharge Llmltationi
Monthly Avg Weekly Avg.
0.030 MGM
15.0 mg/I w•J�C- 21
30.0 mg/I
10.0 mg/I
200.#/100 ml
Monitoring
Requlrement<
Measurement
Sample
•Sample
Dally Max
Freauencv
Type
Location
Weekly
Instantaneous
I or E
22.5 mg/I l)•S
Weekly
Grab
E
45.0 mg/I
Weekly
Grab
E
Weekly
Grab
E
Weekly
Grab
E, U, D
400.0 /100 ml
Weekly
Grab
E, U, D
Datfy Z/iJ k
Grab
E
Temperature
Weekly
Grab
R, U, D
Conductivity
Weekly
Grab
U, D
Chronic Toxicity`
Quarterly
Grab
E
Total Nitrogen (NO2+NO3+TKN)
Qu*terly
Grab
E
Id .•
* Sample locations: E - Effluent, I - Influent, U - Upstream at least 50 feet above the discharge point,
Grrb
D - 600wnstream at least 300
feet below
the discharge point.
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/1.
*** Chronic Toxicity (Ceriodaphnia) P/F at 90%; January, April, July and October, See Part III, Condition F.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the effluent by grab
sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts. 1`
AA-i 7 N t I �e✓ �9 n 1,
T?

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCO064378
During the period beginning on the effective date of the permit and lasting until expansion above 0.03 MGD, the Permittee is authorized to
discharge from outfall serial number 001. (Continued)
Effluent Characteristic. Discharge Limltatlont Monitorina Reaulrements
Units (specify Measurement Sample •Sample
Monthly Avg Weekly Avg. Dally Max Freauencv is-" Locatlon
Total Phosphorus M I Q"rterly Grab E

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NCO064378
During the period beginning on the effective date of the permit and lasting until expansion above 0.030 MGD, the Permittee is authorized to
discharge from outfall serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characterlstic.
Flow
BOD, 5 day, 200C
Total Suspended Residue
NH3 as N
Dissolved Oxygen"
Fecal Coliform (geometric mean)
Total Residual Chlorine
Temperature
Conductivity
Chronic Toxicity***
Total Nitrogen (NO2+NO3+TKN)
Discharge Llmllatloni
Monthly Ayq
0.030 MCD
29.0 mg/1
30.0 mg/I
20.0 mg/I
200.0/100 ml
l'r'Q73R�
Monitorina
Reaulrements
Measurement
Samale
•S0mnI
Daily Max
Frequency
Tyoe
Locatlon
Weekly
Instantaneous
I or E
43.5 mg/I
Weekly
Grab
E
45.0 mg/I
Weekly
Grab
E
Weekly
Grab
E
Weekly
Grab
E, U, D
400.A /100 ml
Weekly
Grab
E, U, D
Daily
Grab
E
Weekly
Grab
E, U, D
Weekly
Grab
U, D
Quarterly
Grab
E
!L'en 11, Quarterly Grab E
* Sample locations: E - Effluent, I - Influent, U - Upstream at least 50 feet above the discharge point, D - Downstream at least 300 feet below
the discharge point.
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/l.
*** Chronic Toxicity (Ceriodaphnia) P/F at 90%; January, April, July and October, See Part III, Condition F.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored weekly at the effluent by grab
sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
--(b y7p

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NCO064378
During the period beginning on the effective date of the permit and lasting until expansion above 0.030 MGD, the Pennittee is authorized to
discharge from outfall serial number 001. (Continued)
Effluent Characteristic. Discharge Llmitatlont Monitoring Requirement:
Units fspecifv Measurement Sample 'Sample
Monthly Avg Weekly Avg. Daily Max Frequency Type Location
Total Phosphorus 1,^ Quararly Grab E

A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (A - October 31) Permit No. NCO064378
During the period beginning upon expansion above 0.030 MGD and lasting until expiration, the Permittee is authorized to discharge from outfall
serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characterlstic. Discharge Limitation=
Monitoring
Requirements
Measurement
Samole
*Sample
Monthly Ava Weekly Ava. D L Max
Flow
Freauency
Tvoe
Locatlop
0.060 MC-0
BOD, 5 day, 200C 5.0 mg/I k6w4fit' 7.5
Continuous
Recording
I or E
mg/I
Total Suspended Residue 30.0 mg/I 45.0 mg/I
Weekly
Weekly
Composite
Composite
E
E
NH3 asN 2.0mg/I
Weekly
Composite
E
Dissolved Oxygen"
Weekly
Grab
E, U, D
Fecal Coliform (geometric mean) 200.� /100 mi 400y(7 /100 ml
Weekly
Grab
E,U,D
Total Residual Chlorine 17.� µg/I
2/Week
Grab
E
Temperature
Total Nitrogen (NO2 + NO3 + TKN) -N,
Weekly
Grab
@, U, D
r`
Total Phosphorus D o^
Q�erly
O
Composite
E
Conductivity 1 W fit
rterl y
Composite
E
*
�
(�
Grab
G
U, D
Sample locations: E - Effluent, I - Influent, U -Upstream at least 50 feet above the discharge D -Downstream
E-
point,
the discharge point. Upstream and downstream samples shall be grab samples. Stream samples
at least 300 feet below
shall b collected three
June, July, August and September and once per week during the remaining months of the year.
times per week
during
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/1.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
-( t ,y ^ate tia4, 4
% 6-Nnr
SSIU "Ivu1t'13D A9 t733d

A.'(). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (Nove r 1- March 31) Permit No. NCOO&
During the period beginning upon expansion above 0.030 MGD and lasting until expiration, the Pemuttee is authorized to discharge
serial number 001. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristic.
Flow
SOD, 5 day, 200C
Total Suspended Residue
NH3 asN
Dissolved Oxygen"
Fecal Coliform (geometric mean)
Total Residual Chlorine
Temperature
Total Nitrogen (NO2 + NO3 + TKN)
Total Phosphorus
Conductivity
Discharge Limitations
Monthly Avg
0.060 MCD
10.0 mg/I
30.0 mg/I
4.0 mg/I
200.0 /100
Monitorinq Requirements
Daily Max Freauency
Tvge
Continuous
Recording
15.0 mg/I Weekly
Composite
45.0 mg/I Weekly
Composite
Weekly
Composite
Weekly
Grab
400.0 /100 ml
17.0 µg/I
Weekly
2/Week
Weekly
Quarlerly
Quarterly
Grab
Grab
Grab
Composite
Composite
Grab
E,U,D
E,U,D
E
E,U,D
E
E
* Sample locations: E - Effluent, I - Influent, U - Upstream at least 50 feet above discharge point, D - Downstream at least 300 feet below
the discharge point. Upstream and downstream samples shall be grab samples. Stre samples shall be collected three times per week during
June, July, August and September and once per week during the remaining months of tFleyear.
** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/1.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
% 6- NAP
Salle 71VU-03 ke CD7li

Part III Permit No. NC0064378
E. This permit may be modified, or revoked and reissued to include an effluent limitation on
nutrients for this discharge depending upon the following:
1. The findings of a study by the Division of Environmental Management determine nutrient
control is necessary. ,=
2. Local actions do not successfully reduced% nutrient loading on the receiving waters.
I The onset of problem conditions in th receiving waters.
�Qvc�
F. CHRONIC TOXICITY PAS S/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic
Bioassay Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or
significant mortality is 90% (defined as treatment two in the North Carolina procedure document).
The permit holder shall perform quarterly monitoring using this procedure to establish compliance
with the permit condition. The first test will be performed after thirty days from the effective date
of this permit during the months of January, April, July and October. Effluent sampling for this
testing shall be performed at the NPDES permitted final effluent discharge below all treatment
processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the month in which it was performed, using the parameter
code TGP3B. Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention:
Environmental Sciences Branch o'
North Carolina Division of U
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements
performed in association with the toxicity tests, as well as all dose/response data. Total residual
chlorine of the effluent toxicity sample must be measured and reported if chlorine is employed for
disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly
monitoring will begin immediately until such time that a single test is passed. Upon passing, this
monthly test requirement will revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina
Division of Environmental Management indicate potential impacts to the receiving stream, this
permit may be re -opened and modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum
control organism survival and appropriate environmental controls, shall constitute an invalid test
and will require immediate retesting(within 30 days of initial monitoring event). Failure to submit
suitable test results will constitute noncompliance with monitoring requirements.

G. BOD5 AND NH3N LOADINGS
Facilities discharging to the,eddin on Creek tributary to the Neuse River are required to
minimize BOD5 and NH3N loaidi at the mouth of the tributary before entering the mainstem of
the Neuse River, (i.e. concentr s in the receiving stream should be 5 mg/l BOD5 and 2 mg/1
NH3N). The Willowbrook ubdi ision wastewater treatment facility must achieve levels of
treatment that will reflect 1' its of 1 (29.0) mg/l BOD5 and 10.0 (20.0) mg/1 NH3N to maintain
these instream concentra ns at a flo of 0.03 MGD and limits of 5.0 (10.0) mg/l BOD5 and 1.0
(1.8) mg/1 NH3N to m intain these i stream concentrations at a flow of 0.06 MGD, [summer
(winter) limits respectively]. ,
)--� o, j4i
l�1" d

Bo> 10f6. Smilnhe,e
consumes.
based
Tana Copoclrl' of the !mmemole receivinc wale, will be consumed. This may O"ect IVtUre water gU01]T' avflC
I. NPDES No. NCO063746. Ira D. Lee no AsUziatef, PO Box 76s. Wake Forest, NC 27587 has applied for a permit I
Raleigh. Wake County. Tne fccllih oiscncrces OSDMGD and will expand to discharge 0.220 MGDof treated tlomestic
Basin which has d 7010 flow of 0 cis ono a 3002 how of 0.50 cfs. Ammonia, SODS, Ono dissolved oxygen are water qua]11
water will be consumed. This mm vh.c, future water quality based effluent InTholions for additional disc=,
9. NPDES No. NCOOd5606. Word Transforms- Company, PO Box 30009, Raleigh, NC 27612 has applied for o permit m
Tne foci l itY discharges 0.05.1 MG of treote.:ncuslria l wostemner from one curial into an unnamed tribulary 10 LINI
cts Ono 0 3002 how of 0 cfs. No Poromelers are water quality limited, but this drscharoe may affect furum a
10, NPDES No. NCO062279. Carol Ina Water Service,Ina. Of N.C. Post Office Box 24073, Charlotte, NC28224 hescoolie[
are worer qu
tliSChargers
14. NPDES No. NC0031011. Colonial Pipeline COTTIPaOy, Post Office Box 18403, Greensboro,
northwest of Selma. Johnston County. Thetaciiby Is permitted todismarge. stormwater. Wo!
stream in the Neuse River Basin. For some Parameters, the oval ble load mancityot me it
addiflonal dischargers within thu portion of Me watershetl. �
15. NPDES No. NCO02/006. Exxon Camden,L'SA, 2555 West Ooktreat, Selma, NC 27576 h
Johnston County. The facility is Permitted 10 Cis;nurse stormwo7eb Wasnwaler, and hyarosl
River Basin. Forsome mromelers, in0vTimnel aO Capacity of me immediate receiving
witnin this portion Of the woier%d!
16. NPDES NC. NC006570S. Crosby Utilities. Incorporated, 2117 Avemine RPotl, Wake Forest
north of Poole Road on Bethlehem Road. Krripmcole. NC in Woke County. The facility tlischor
Neuse River Basin whim has a 7010 flow of C.3a cis. SOD, ammonia, an dissolved oxygen ore
pe consumed, This may affect future water Quality based effluent limitations for addifi
17. NPDES No. NC0003549. Amerodo Hess Corporation, I Hess Ploca. Woodbridge. NJ 0709S
Stress. SelmpJOM1nifon County. The facility is Permitted to discharge hydrostatic test water,
NSW stream in the Neuse Rive
Basin whim pes o 7010 flow of 0 CIS Chad, 3002 flow of 0 CIS. TI
xnim was currently mrmittm unaer per,..[ cc. NC0076589. Tnus, finis facility will also be
Iribulary to Mill Creex, a Class WS•IV NSW eirecn in the Neuse River Basin. For some aura
cater quality based effluera limitations fcr oadilional dischargers within this portion of
I8. NPDES No. NCO049034. Cauchy of Wake, V..,e ccwLrlJ1. Auburn Sheriff's Training Car
Wbum Training Center on NCSR IOU, ecs, c' A-_,. , axe County. The facility dlscnargef
:loss C•NSW stream in the Neuse River 5O5:n,micn has c 7010 how of 0 cis and a 3=2 tiow
and capacity of the immediate receiving water will be consumed. This may affect lulu,
for
0. NPDES No. NCOOBOSI9. Lampe and Moiahm, Lumber Company, to Guy C. Lye Lumber Co.. PO Box 150, Smithfield. N
tenth 5lreea_ Smithfield, JmnsTm COurth'. Tne zcilily dismorg'.s i,,,,Imo,rmer y Guy C.
•Cam wet Co.. PO
facilities through ld. c
n ilia NEVSE River Basin. NO parpmelef5 art Wafer aU011ty limited. but this discharge may affect future allocations. 4C
,1. NPDES No. NC0327277, Crown Central Possum Corporation, One North Charles Street. Post Office Boz 716E. Baltimore Mar
2iverer, a Class N5.IOV PSWrsstrenin he hwestNe s5 River Basin which has The
7010 flow of Permitted is d a130021ow of 0 C11. No Parametersrc
2. NPDES No. NaMS78s. A'.r. Thomas Tillev. Poole Rood, Raleigh. NC 27514 has applied for a Permit renewal for a facility loci
2oleign. Waxe County. Tne fv;i]its• discharges C.035 MGD of treated domestic wvslewater from One oulfall imp the Neuse River, a
roan Falls Lake Dam. No poromeTers are s.,c,er quality limited. but this discharge may affect future allocations. m C I I
3. NPDES No. NCOC2Sc53. ThE TOvm of Claycn. PO Box 879, Charon, NC 27520 has coolied fora Permit renewal for a facility to
aunty. The facility discharges 1 9MGD of ireves comesl is and industrial Wastewater from one donut into me Neuse River, a Clan
66 cis. BODS, ammonia, dissolved oxygen, an: tc, residual chlorine are water quality limited. For some Parameters, the ovoilol
day oflecl future Water quality based eHlue,! limitations for additional dischargers within This Portion of the wateMned.4
4. NPDES No. NC0039292. UndroP. Incorporated, 280 Coshes St., Suite w300, Birmingham, MI 48009 has applied for a Permit ran
load, Raleigh, Wake County. The facility discharges 0.051 MGDof treatetl tlomestic woslewwer from one auilall into the Neuse RI'
f50cts. BODS. ommonio ono dissolved Oxvpen are wate,Quality limited. For some paromeler3, the available ]ooc ad-OCRY of the i
uulity based effluent limitations for aedivanoi dischargers within this Portion of the wmerzhed_ I xl en .., P _
:der
facility
,I . line wutersnm. W(A't, --
located a1 a site on NCSR IWL northwest of Roleign. Wake County.
55 GNSW stream in the Neuse River Basin which has o 7010 flow of 0
Dairy Farm Subdivision. Jones Dairy Farm
stream in the Neuse River Basin which has a
receiving water will be Consumed. This may
facility
Some
This
Selma.
! Neuse
NCSR 1007 (Poole Rmtl), east of
Basin which has a regulated flow
located at me
..�.. �....,,.c.�,,, ,,,c,vcuaa nova, uua,Il. nV uuhurrleler)oR Wprer pUalirY limllQa, aVi mlS alSanalgQ maY
has applied for a Permit renewal for a facility located on Falls Of Neuse Road. Raleigh, Wake County. The
er.Clms GNSW steam in the Neuse River Basin which hos a regulated flow from the Falls lake Corp. No
Products Terminal, Highway 1928.
River, Class WS-I V NS W streom in
allocations.
oxygen pre water qualify Ilmllea. Yor some Parameters. t
may affect lulure water quality Posed effluent limitations for additional dischargers within this Portion of the
d. NC 275" has applied for a permit renewal for a facility lucated
one outtall Into Buffalo Creek a Class C-NSW stream in the Neuse
L NPDES No. nto'O875. Phillips y Pipe
LI cods moony, 370 Atloms Building. Bartlesville, OK 740N has applied rot a permit renewal fora facilifv located at Selma Termihol, on Highway 1003 antl 1929,
srthwesl of5ebrioasin siOnCannty.Theh[ilip'is Permitted tO disChproesiprmwOler and hytlrOstatiC test water lrOmiW000N011s tofu On Mhametl iribatary la Mill Creek,dCloSS WS-IVN WSireamm
K Neuse River Basin whim no'
o fm Ilow of 0 Cfs dnd o 3002 flow 1 0 cfs. No Parameters ore water qualify limifetl, but this tlischdroe maY affect future ollocations.G r -
LNPDESNO.NCWB4pS.JOhnsfOn County. PO Box 2263.SmI1hlieltl,NCZ]S7/has audited rota Permit recewbl forafdcilif located atthe Johnstm Cauniv water Treatment Facility. 60DCIearwater Drive,
wnnheld, Johnston DOf aty, The bdlit, discharges lrmfe0 {lifer backwash wot<r tram one ouffall ]n1o0n unnomep tribl7tary to the Neuse River. p Class WS 1 V NSW CA stream in the Neuse River Basin.
a pbromlflR or
Wafer quality IITIIHI. OV' 1ni3 dlemprae may aHecl IWUre allocgliona. w /

P y �O
• '>
O.
�AfaO.GO f�sAsd�
y � 'vf.' -87 •
L
" �;PIP
�c
VIT OF PUBLICATION
:. tyBefore the undersigned, a Notary Public of said
and State, duly commissioned and authorized to
,ilminister oaths, afffirmations, etc., personally appeared
Robert M. Woronoff, Jr., who, being duly swom or affirmed,
according to law, doth depose and say that he is Treasurer of
THE NEWS AND OBSERVER PUBLISHING COMPANY,
a corporation organized and doing business under the Laws of
the State of North Carolina, and publishing a newspaper
known as THE NEWS AND OBSERVER, in the City of
Raleigh, County an State aforesaid, the said newspaper in
which such notice, paper, document, or legal advertisement
was published was, at the time of each and every such
publication, a newspaper meeting all of the requirements and
qualifications of Secion 1-597 of the General Statutes of
North Carolina and was a qualified newspaper within the
meaning of Section 1-597 of the .General Statutes of North
Carolina, and that as such he makes this affidavit; that he is
familiar with the books, files and business of said corporation
and by reference to the files of said publication the attached
advertisement for' NC DEPT OF EHNR was inserted in the
aforesaid newspaper on dates as follows: 04/18/98
Account Number: 73370150
from the books and
aforesaid Corporation and publication.
Treasurer
Sworn or affirmed to, and subscribed before me, this
23 day of APRIL , A.D. 1998
In Testimony Whereof, I have hereunto set my hand
and affixed my official seal, the day and year aforesaid.
� �..........................
Notary Public
My commission expires 2nd day of JULY , 2000.

NC0064378
Willowbrook S/D WWTP
Receiving Stream:
UT to Beddingfield Creek Index #: 27-37
From source to Neuse River
5/1/88 C-NSW
SR states stream is WS-III
NSW, because there are water intakes downstream
Residual Chlorine
Ammonia as NH3
(summer)
7010 (CFS)
0
7Q10 (CFS)
0
DESIGN FLOW (MGD)
0.06
DESIGN FLOW (MGD)
0.06
DESIGN FLOW (CFS)
0.093
DESIGN FLOW (CFS)
0.093
STREAM STD (UG/L)
17.0
STREAM STD (MG/L)
1.0
UPS BACKGROUND LEVE
0
UPS BACKGROUND LEVI
0.22
IWC (%)
100.00
IWC (%)
100.00
Allowable Concentration (
17.00
Allowable Concentration
1.00
Ammonia as NH3
(winter)
7Q10 (CFS)
0
Fecal Limit
200/100ml
DESIGN FLOW (MGD)
0.06
Ratio of 0.0 :1
DESIGN FLOW (CFS)
0.093
STREAM STD (MG/L)
1.8
UPS BACKGROUND LEVI
0.22
IWC (%)
100.00
Allowable Concentration
1.80

6
CAROLINA WATER SERVICE, INC. of NORTH CAROLINA
AN AFFILIATE OF
U1�I�IIIrIICSa11rX.
Regional Office:
5701 Westpark Dr., Suite 101
P.O. Box 240908
Charlotte, NC 28224
Telephone: [phone]
FAX: [phone]
September 4, 1997
Mr. David A. Goodrich
Permits and Engineering Unit
Division of Water Quality
P.O. Box 29535
Raleigh, NC 27626-0535
Re: Willowbrook Subdivision WWTP
NPDES Permit No. NCO064378
Sludge Management Plan
Dear Mr. Goodrich:
Banner Elk, NC
Charlotte, NC
Morehead City, NC
Whispering Pines, NC
Please be advised that sludge from the aforementioned facility is removed
by:
Wallace Woodall Vacuum Pumping Service
P.O. Box 5066
Cary, NC 27512
919-387-1906
If you should need additional information regarding our sludge
management program, please give me a call.
Sincerely,
s
Jim Highley
Senior Regional Manager
c: Carl Daniel
7041898-5011
704/525-7990
919/247-2309
919/949-2010