WQCS00002_NOV-2020-DV-0271 Response_20200610

ROY COOPER
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MICHAEL S. REGAN '�` .•
S. DANIEL SMITH NORTi 1 CAROLINA
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CERTIFIED MAIL: 7016 3560 0000 4428 694
RETURN RECEIPT REQUESTED
June 10, 2020
Robert Massengill, Director Public Utilities
City of Raleigh
PO Box 590
Raleigh, NC 27602
SUBJECT: NOTICE OF VIOLATION & INTENT TO ISSUE CIVIL PENALTY
Tracking No.: NOV-2020-DV-0271
Sanitary Sewer Overflows - May 2020
Collection System Permit No. WQCS00002
Raleigh Collection System
Wake County .
Dear Mr. Massengill:
V
JUN 19 20211
NC DeptOfEnvironincnlai
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JUL j [i 2(12[j
Raleigh i�cginrr;�l r I,.,
A review has been conducted of the self -reported Sanitary Sewer Overflows (SSO's) 5-Day Reports submitted by
City of Raleigh. The Division's Raleigh Regional Office concludes that the City of Raleigh violated Permit Condition I
(2) of Permit No. WQCS00002 by failing to effectively manage, maintain, and operate their collection system so
that there Is no SSO (Sanitary Sewer Overflow) to the land or surface waters and the SSO constituted making an
outlet to waters of the State for purposes of G.S. 143-215.1(a)(1), for which a permit is required by G.S.
143-215.1.
The Raleigh Regional Office is providing the City of Raleigh an opportunity to provide evidence and justification as
to why the City of Raleigh should not be assessed a civil penalty for the violations that are summarized below:
Total Vol
Total Surface
Incident Start Duration Vol Water
Number Date (Mins) Location Cause (Gals) (Gals) DWR Action
202001324 5/4/2020 159 3151 CAPITAL BLVD Grease
1,575 1,000 Notice of violation
202001325 5/4/2020 113 1511 GRADUATE LN, Roots 3,000 3,000 Notice of violation
Raleigh Notice of Intent
202001335 5/6/2020 61 808 Navaho Drive Grease 6,700 Notice of Violation
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Incident start Duration
Number Date (Mina) Location
202001341 5/7/2020 497 4020 Tryon Road
202001378 5/14/2020
67
202001567 5/26/2020 13
202001722 5/29/2020 41
202001779 5/30/2020 144
Cause
Pipe Failure (Break)
2421 Foxtrot road,
Grease
Raleigh
4029 Deep Hallow Dr.,
Grease
Raleigh
141 Cotton Paws
Pump station
Street
equipment failure
514 West Cambridge
Grease
Drive
Total Vol
Total Surface
Vol Water
(Gals) (Gals) DWR Action
49,149 13,000 Notice of violation
Notice of Intent
871 800 Notice of Violation
900 600 Notice of Violation
1,640 1,640 Notice of Violation
3,180 3,180 Notice of Violation
Notice of Intent
This Notice of Violation / Notice of Intent to Enforce (NOV/NOI) is being issued for the noted violation. Pursuant
to G.S. 143-215.6A, a civil penalty of not more than twenty-five thousand dollars ($25,000.00) may be assessed
against any person who violates or fails to act in accordance with the terms, conditions, or requirements of any
permit issued pursuant to G.S. 143-215.1.
This office requests that you respond to this Notice, in writing, within 10 business days of its
receipt. In your response, you should address the causes of non-compliance, remedial actions, and all other
actions taken to prevent the recurrence of similar situations. The response to this correspondence will be
considered in this process. Enforcement decisions will also be based on volume spilled, volume reaching surface
waters, duration and gravity, impacts to public health, fish kills or recreational area closures. Other factors
considered in determining the amount of the civil penalty are the violator's history of non-compliance, the cost of
rectifying the damage, whether the spill was Intentional and whether money was saved by non-compliance.
If you have any questions, please do not hesitate to contact Mitchell Hayes with the Water Quality Section in
the Raleigh Regional Office at 919-791-4200 or via email at [e-mail].
Sincerely,
�T2 Scott Vinson, Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCD£Q
Cc: Raleigh Regional Office - WQS File
Laserfiche Section
e-mail to Carlos Perez carlos.perezftraleiahnc.gov
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Raleigh Water
July 9, 2020
Mr. Scott Vinson
Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources NCDEQ
1628 Mail Service Center
Raleigh, NC 27699-1628
Re: Response to NOV-2020-DV-0271
Sanitary Sewer Overflows - May 2020
Permit No. WQCS00002
Dear Mr. Vinson:
JUL -.q 2020
4
R"kvidl 001w
Please forgive the delay with this response letter. The development of this document, within the
allotted 10 business days', was a challenge due to restrictions imposed by COVID-19. However, allow
this letter to serve as a response to the Notice of Violation & Intent to Issue Civil Penalty document
(NOV-2020-DV-0271) received on June 19th, 2020. This document contains narratives regarding pending
violation actions of (8) Sanitary Sewer Overflows (SSO) events, which occurred during the month of May
2020 within the City of Raleigh Collections System fll. The noticed events occurred while the City
operated its collection system, according to WQC500002, dated June 6th, 2017. The permit includes the
language outlined in footnote 1 and applies to the SSOs upon which NOVs with the notice of intent
(NOV-NOI) were based. This document will establish a reasonable explanation of the actions taken to
stop the spill; contain the released wastewater; collect the wastewater and reintroducing it to the
collection system; and finally, restoring the possible environmental impacts brought by the release of
the SSO events, listed with the intended NOV-NOI action. Please find below, the additional information
requested for each of the SSO events.
1.'The Director may take enforcement action against the Permittee for SSOs that must be reported tc the Division as stipulated In Condition IV92). This Includes
SSOs that were caused by severe natural conditions or ex=eptional events unless the Permittee demonstrates through properly signed, contemporaneous operating
logs, or other relevant evidence that:
Ia.] The SSO was caused by severe natural conditions; there were no feasible alternatives to the SSO, such as the use of auxiliary treatment facilities, retention
of untreated wastewater, reduction of Inflow and -nfiltration, use of adequate back-up equipment, or an increase In the capacity of the system. This provision Is
not satisfied if, In the exercise of reasonable engineering judgment, the Permittee should have Installed auxiliary or additional collections system components,
wastewater retention or treatment facditles, adequ, to back-up equipment or should have reduced Inflow and Infiltration; or
(b.] The SSO was exceptional, unintentional, temporary and caused by factors beyond the reasonable control of the Permittee; the 550 could not have been
prevented by the exercise of reasonable control, such as proper management, operation, and maintenance; adequate treatment or collection facilities or
components (e.g., adequately enlarging treatment of collection facilities to accommodate growth or adequately controlling and preventing infiltration and
Inflow); preventative maintenance; or installation of adequate back-up equipment;"
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202001324 — 5/4/2020 — 3151 Capital Blvd.
This spill was neither willful nor intentional, it was the result of a grease build-up, restricting the
sewer flow within a section of 8-inch sewer gravity main. This build-up led to a sewer spill of
approximately 1,575 gallons of untreated wastewater of which about 1,000 gallons reached surface
waters through a stormwater channel within the Marsh Basin. Most of the wastewater rested within the
natural topography of the land not reaching other major surface waters.
On 5/4/20, at approximately 5:06 PM, Sewer Maintenance staff was notified of a sewer spill
emanating from a manhole adjacent to 3151 Capital Blvd., Raleigh. The responding staff took all
reasonable steps to stop and mitigate the impact of the discharge as soon as they arrived, gaining
control of the spill event by 7:45 PM on the same day. Crews utilized hydraulic jetting to remove the
source of the blockage within the affecting asset, thus restoring sewer flow.
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary spill containment site downstream of the affected area. This approach was intended to
contain the flow of sewer and minimize the environmental impact on the surrounding land. This spill
was contained without a significant environmental impact to the adjacent area and its natural resources.
Visual inspection of the affected area and downstream waters confirmed that no fish kill or unnecessary
vegetative damage occurred.
During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the area surrounding the manhole and the
downstream stormwater system. Crews employed pumps at the temporary containment site, to recover
flushed wastewater and any evidence of sewer. The areas around the manhole were cleared of debris
and washed with potable water. No lime, seed, and straw was required as this asset is located on the
paved surface.
A follow CCTV assessment, conducted on 05/6/2020, determined that a portion of the sewer
main presented an offset joint which could have led to the grease accumulation and subsequent spill. A
repair operation to address the issue was consequently performed on 06/22/2020. CCTV assessment is
scheduled to verify the effectiveness of the repair and minimize the potential of a re -occurrence. No
further issues have occurred at this site since this event.
The cost associated with the mitigation of this event amounted to $1618.81. The approximate
cost to the Utility to have treated 1,575 gallons of wastewater would have been approximately $2.36.
The City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the greater volume
of sewage created by the spill.
This section of the collection system serves a wide commercial area within the Capital Boulevard
Corridor, providing sewer collection services to several commercial establishments. The last recorded
sewer spill associated with this section of the sanitary sewer collection system occurred on 09/04/2000
where approximately 1,800 gallons of untreated water was released as the result of a plug left within
the sewer main by a contractor.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

A press release notification, associated with this event, was requested to be published in the
Raleigh News & Observer on 5/6/2020 6:33 AM. Outreach information was delivered to a hotel property
where the affected asset is located. This outreach literature explains the need for customers to use the
sanitary sewer collection system properly. It also serves as an opportunity for citizens to partner with
Public Utilities to protect the City's water quality and the sewer collection infrastructure.
Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Flushing activities
12/02/03
05/22/14
06/30/14
04/14/15
Repair activities
06/22/2020
06/25/2020
06/24/2020
CCTV activities
05/20/2020
Inspection
activities
09/20/2018
Easement
maintenance
02/12/2019
06/16/2020
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 - Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202001325 — 5/4/2020 —1511 Graduate Ln., Raleigh
This spill was neither willful nor intentional, it was the result of root intrusion, which blocked a
portion of an 8-in" gravity sewer main. The root intrusion led to a sewer spill of approximately 3,000
gallons of untreated wastewater reaching surface waters through an unnamed tributary in Bushy Basin.
On 5/4/2020, at approximately 3:07 PM, Sewer Maintenance staff was notified of a sewer back-
up behind the residences located at 1511 Graduate Ln., Raleigh. Upon arrival, it was discovered that
untreated sewer was emanating from an adjacent manhole (SMH2O3876). The responding staff took all
reasonable steps to stop and mitigate the impact of the discharge as soon as they arrived, gaining
control of the spill event by 5:00 PM on the same day. Crews utilized hydraulic jetting to remove the
source of the blockage within the affecting asset thus restoring sewer flow
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary sewer containment site downstream from the SSO location to stop the flow of sewer into the
stream. Crews used pumps at the temporary containment site, to recover the remaining sewer back into
a downstream sewer manhole. During the restoration phase of the operation, crews utilized water from
adjacent hydrants to defuse and flush the affected area. The area around the manhole was cleared of
debris, treated with an application of lime, and restored with grass seed and straw.
This spill was contained without a significant environmental impact to the adjacent area and its
natural resources. Visual inspection of the affected area and downstream waters confirmed that no fish
kill or unnecessary vegetative damage occurred.
The cost associated with the mitigation of this event amounted to $2889.54. The approximate
cost to the Utility to have treated 3,000 gallons of wastewater would have been approximately $4.50.
The City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the greater volume
of sewage created by the spill.
This section of the collection system serves a residential area South of Gorman St., Raleigh. This
system provides sewer collection to several multi -dwelling properties. A press release notification
associated with this event was published in the Raleigh News & Observer on 5/5/2020.
Before this event, maintenance records show that sections of this collection system were
assessed as follows:
Flushing activities
05/15/2003
08/24/2003
03/24/2004
07/05/2005
05/10/2009
12/20/2012
3/20/2014
5/18/2014
02/21/2018
Inspection activities
84 High priority Inspections of
assets located within the sanitary
sewer easement were inspected
between
02/7/2018 and 03/19/2020
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

The latest maintenance/inspection assessment for this site was conducted on 7/6/2020. Visual
inspection of the upstream and downstream manholes determined that sewer flow within the pipe is
consistent. This assessment was conducted using flow monitors to verify flow velocity equalization on
the downstream and upstream manhole in order to determine potential blockages that may reduce
sewer flow. There have been no additional issues associated with this section of the collection system
since the last sewer event. This site has been added to the Hot Spot Management Program for debris
management with a recommended maintenance interval of every 30 days.
One Exchange Plaza
1 Exchange Plaza, Suite 1020
Raleigh, North Carolina 27601
City of Raleigh
Post Office Box 590 • Raleigh
North Carolina 27602-0590
(Mailing Address)
Printed an Recycled Paper
Municipal Building
222 West Hargett Street
Raleigh, North Carolina 27601

incident Number # 202001335 — 5/6/2020 — 808 Navaho Dr., Raleigh
This spill was neither willful nor intentional, it was the result of a grease build-up, restricting the
sewer flow within a section of 8-inch Vitrified Clay Pipe sewer gravity main. This build-up led to a sewer
spill of approximately 6,700 gallons of untreated wastewater. The spilled wastewater rested within the
natural topography of the land not reaching nearby major surface waters. This event occurred within
the Big Branch Basin.
On 5/6/20, at approximately 6:39 PM, Sewer Maintenance staff was notified of a sewer spill
emanating from a manhole behind an apartment complex located on 808 Navaho Dr., Raleigh. The
responding staff took all reasonable steps to stop and mitigate the impact of the discharge as soon as
they arrived, gaining control of the spill event by 8:00 PM on the same day. Crews utilized hydraulic
jetting to remove the source of the blockage within the affecting asset, thus restoring sewer flow.
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary spill containment site downstream of the affected area. This approach was intended to
contain the flow of sewer and minimize the environmental impact on the surrounding land. This spill
was contained without a significant environmental impact to the adjacent area and its natural resources.
Visual inspection of the affected area and downstream waters confirmed that no fish kill or unnecessary
vegetative damage occurred.
During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the area surrounding the manhole and the
downstream stormwater system. Crews employed pumps at the temporary containment site, to recover
flushed wastewater and any evidence of sewer. The areas around the manhole were cleared of debris
and washed with potable water. The area around the manhole was cleared of debris, treated with an
application of lime, and restored with grass seed and straw.
A follow CCTV assessment, conducted on 05/8/2020, determined that the main was in
structurally sound condition. The assessment also recommended that the invert of an upstream
manhole be addressed along with more hydro jetting cleaning along with the affected assets
downstream of the spill event. A repair operation to address the issue has been scheduled. A follow-up
CCTV assessment will be scheduled to verify the effectiveness of the repair and minimize the potential
of a re -occurrence. An electronic flow monitor has been installed downstream of the affected manhole
in order to serve as an early warning device with the intent to alert responding crews before an overflow
occurs. No further issues have occurred at this site since this event.
The cost associated with the mitigation of this event amounted to $2,570.58. The approximate
cost to the Utility to have treated 6,700 gallons of wastewater would have been approximately $10.05.
The City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the greater volume
of sewage created by the spill.
This section of the collection system serves a vast residential area West of Wake Forest Rd. and
north of 1-440, providing sewer collection services to several multi -dwelling properties. The last recorded
sewer spill associated with this section of the sanitary sewer collection system occurred on 11/19/2002.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 - Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

A press release notification, associated with this event, was requested to be published in the
Raleigh News & Observer on 5/11/20201:55 PM. Due to Statewide restrictions of COVID-19, outreach
information was delivered on 06/16/2020.378 door hangers were delivered to the office manager of
the affected apartment complex. The office was to deliver educational information to their tenants. This
outreach literature explains the need for customers to use the sanitary sewer collection system
properly. It also serves as an opportunity for citizens to partner with Public Utilities to protect the City's
water quality and the sewer collection infrastructure.
Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Flushing activities
Inspection activities
01/07/2010
2/18/2011
12/13/2013
12/3/2018
02/08/2010
3/18/2011
1/20/2014
02/10/2010
3/22/2011
3/6/2014
3/24/2010
5/28/2011
4/20/2014
CCTV activities
4/10/2010
6/5/2011
5/27/2014
05/8/2020
6/1/2010
7/8/2011
6/6/2014
6/8/2010
7/11/2011
6/10/2014
6/14/2010
8/1/2011
6/23/2014
6/28/2010
11/7/2011
8/19/2014
7/6/2010
12/6/2011
10/9/2014
07/08/2010
3/9/2012
12/26/2014
7/13/2010
6/12/2012
4/14/2015
7/14/2010
7/4/2012
4/16/2015
8/15/2010
9/4/2012
7/20/2015
8/19/2010
12/11/2012
7/22/2016
9/19/2010
3/21/2013
7/23/2016
12/11/2010
5/13/2013
03/19/2018
12/12/2010
6/11/2013
02/21/2018
2/10/2011
9/3/2013
05/17/2017
2/14/2011
10/14/2013
09/13/2017
02/15/2011
10/17/2013
02/21/2018
2/16/2011
10/20/2013
03/7/2018
2/17/2011
12/12/2013
10/17/2018
Easement
maintenance
Repair activities
05/28/2019
The latest maintenance/inspection assessment for this site was conducted on 7/6/2020. Visual
inspection of the upstream and downstream manholes determined that sewer flow within the pipe is
consistent. This assessment was conducted using flow monitors to verify flow velocity equalization on
the downstream and upstream manhole in order to determine potential blockages that may reduce
sewer flow. There have been no additional issues associated with this section of the collection system
since the last sewer event. This site has been added to the Hot Spot Management Program for debris
management with a recommended maintenance interval of every 30 days.
One Exchange Plaza City of Raleigh Municipal Building
i Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202001341— 5/7/2020 — 4020 Tryon Rd. Raleigh
This spill was neither willful nor intentional, it was the result of a failed pipe that restricted
sewer flow of an 8-inch Ductile Iron Pipe sewer gravity main. This asset failure led to a sewer spill of
approximately 49,149 gallons of untreated wastewater in which approximately 13,000 gallons reached
surface waters within Marks Upper Basin.
On 5/7/20, at approximately 11:28 AM, Sewer Maintenance staff was notified of a sewer odor.
The upstream assessment identified sewer emanating from the ground near manhole SMH108644
located in the vicinity of 4020 Tryon Rd., Raleigh. Upon arrival, it was determined that a section of pipe
had collapsed, resulting in reduced flow capacity. The responding staff took all reasonable steps to stop
and mitigate the impact of the discharge as soon as they arrived, gaining control of the spill event by
7:45 PM on the same day.
Containment, collection, cleanup, and restoration of this spill event consisted of employing
several temporary spill containment sites downstream of the affected area (see pictures below). This
approach was intended to contain the flow of sewer and minimize the environmental impact on
surrounding land and surface waters. This spill was contained without a significant environmental
impact to the adjacent area and its natural resources. Visual inspection of the affected area and
downstream waters confirmed that no fish kill or unnecessary vegetative damage occurred.
Maintenance/inspection assessment for this site was conducted on 7/6/2020. Visual inspection of the
upstream and downstream manholes determined that sewer flow within the pipe is consistent. This
assessment was conducted using flow monitors to verify flow velocity equalization on the downstream
and upstream manhole in order to determine potential blockages that may reduce sewer flow. There
have been no additional issues associated with this section of the collection system since the last sewer
event. This site has been added to the Hot Spot Management Program for debris management with a
recommended maintenance interval of every 30 days.
During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the area surrounding the manhole and the
downstream stormwater system. Crews employed pumps at the temporary containment site, to recover
flushed wastewater and any evidence of sewer. The areas around the manhole were cleared of debris
and washed with potable water. The area around the manhole was cleared of debris, treated with an
application of lime, and restored with grass seed and straw. The restoration to this site was completed
on 05/14/2020 cleaning approximately 5,000 ft of surrounding surface waters and adjacent land. (See
picture below)
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Retytled Paper

A follow CCTV assessment completed on 06/23/2020, determined that the main was heavily
tuberculated minimizing adequate flow capacity. Through this assessment, it was recommended that
approximately 2,000 ft of sewer pipe needed to be replaced. The Utility summoned a Utility Contractor
to establish a sewer by-pass and conduct the necessary repairs; currently on -going. A follow-up CCTV
assessment will be scheduled to verify the effectiveness of the repair and minimize the potential of a re-
occurrence.
The cost associated with the mitigation of this event has amounted to $ 37,388.17. The
approximate cost to the Utility to have treated 6,700 gallons of wastewater would have been
approximately $73.72. The City saved no money from this spill. Its costs for cleanup exceeded the cost of
treating the volume of sewage had no spill occurred. Furthermore, the City still had to pay the cost to
treat the greater volume of sewage created by the spill. Repairs are currently ongoing which could incur
higher costs for complete mitigation.
One Exchange Plaza
1 Exchange Plaza, Suite 1020
Raleigh, North Carolina 27601
City of Raleigh
Post Office Box 590 • Raleigh
North Carolina 27602-0590
(Mailing Address)
Printed on Recycled Paper
Municipal Building
222 West Hargett Street
Raleigh, North Carolina 27601

Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Easement
Flushing activities
Repair
CCTV activities Inspection activities
Maintenance
activities
Activities
3/30/2010
6/5/2014
No records of
06/12/2017 04/6/2020
02/16/2018
5/15/2010
8/6/2014
repairs or
09/25/2017
10/11/2018
3/23/2012
12/28/2014
improvements
06/02/2020
12/19/2018
9/22/2012
4/18/2015
for the last10
06/03/2020
05/6/2019
12/29/2012
9/10/2015
years
06/10/2020
07/12/2019
3/10/2013
05/01/2018
06/22/2020
08/6/2019
6/12/2013
02/21/2018
06/24/2020
3/20/2014
This section of the collection system serves a commercial and residential area south of 40 and
West of Gorman St., providing sewer collection services to several multi -dwelling properties and various
commercial establishments. The last recorded sewer spill associated with this section of the sanitary
sewer collection system occurred on 3/21/2009. A press release notification, associated with this event,
was requested to be published in the Raleigh News & Observer on Friday, May 8, 2020. See picture
below.
NOTICE OF DISCHARGE
OF UNTREATED WASTE
Cily of Raleigh Mink
Utilities Department
on
re-
sources was nottliea at the avertfow.
Raleigh Water - Sewer Mainlenonce
Division staff, stopped the overflow at
approximately 7:40 PM on the some
day. II is estimated that the overflow
discharoed a volume at approximately
4,145 gallons of untreated waslawater,
of which approximately 13,000 gallons
reached an VAnomed tributary of Wal-
nut Basin. Restoration associated to this
sewer event is angoing. There were no
observed fish killed or vegetative dom•
aged associated with Ihisevent.
The City of Raleigh has an aggressive
education and enforcement program to
prevent the discharge of grease, debris,
old other Improper materials In the
sewer system and to take enforcement
colon where appropriate. Only water,
human waste, and loilat tissue are Per -
mined to be discharged into the sewer
system.
This news release is required by
NCGS Article 21, Chapter 143115LC For
more Information. contort public U11111-
ies Director Robert Mossengill or assis-
lont Public Utilities Director T.J. Lynch
01919A9 oo.
North Carolina Department Environ-
ment and Natural Resources, Division at
Water Duality was notified of the over-
flow.
NLO: May 10. 2020
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202002378 — 05/14/2020- 2421 Foxtrot Rd., Raleigh
This spill was neither willful nor intentional, it was the result of a grease build-up, restricting the
sewer flow within a section of 8-inch sewer gravity main. This build-up led to a sewer spill of
approximately 871 gallons of untreated wastewater of which about 71 gallons reached surface waters
through an unnamed tributary within the Perry Basin.
On 5/14/20, at approximately 4:53 PM, Sewer Maintenance staff was notified of a sewer spill
emanating from an adjacent manhole (5MH127801) at 2421 Foxtrot Rd., Raleigh. The responding staff
took all reasonable steps to stop and mitigate the impact of the discharge as soon as they arrived,
gaining control of the spill event by 6:00 PM on the same day. Crews utilized hydraulic jetting to remove
the source of the blockage within the affecting asset, thus restoring sewer flow.
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary spill containment site downstream of the affected area. This approach was intended to
contain the flow of sewer and minimize the environmental impact on the surrounding land. This spill
was contained without a significant environmental impact to the adjacent area and its natural resources.
Visual inspection of the affected area and downstream waters confirmed that no fish kill or unnecessary
vegetative damage occurred.
During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the creek. Crews employed pumps at the temporary
containment site, to recover flushed wastewater and any evidence of sewer back into a downstream
sewer manhole. The areas around the manhole were cleared of debris, treated with an application of
lime, and restored with grass seed and straw.
The cost associated with the mitigation of this event amounted to $7,333.56. The approximate
cost to the Utility to have treated 871 gallons of wastewater would have been approximately $1.30. The
City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the greater volume
of sewage created by the spill.
This section of the collection system serves a residential area South Rock Quarry Rd., providing
sewer collection to over 170 properties. The last recorded sewer spill associated with this section of the
sanitary sewer collection system occurred on 04/12/2010 (2410 Creech Rd.). A press release notification
associated with this event was requested to be published in the Raleigh News & Observer on Friday,
May 15, 2020. Due to COVID-19 restrictions Outreach Information has not been delivered.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Flushing activities
Repair activities
Inspection
activities
4/12/10
6/26/11
9/13/2013
4/13/10
5/23/11
4/14/10
7/2/11
9/15/2013
10/23/2014
12/28/10
5/14/10
7/4/11
9/25/2013
6/3/11
5/6/11
6/16/10
12/5/11
10/5/2013
11/9/2012
5/17/11
9/7/10
5/10/2012
11/9/2013
10/3/10
10/12/2012
8/2/2014
CCTV activities
10/28/10
11/1/2012
8/15/2014
12/2/10
11/3/2012
10/10/2014
10/22/2014
12/13/10
11/9/2012
10/13/2014
9/17/2013
5/23/11
12/4/2012
2/10/2015
11/9/2012
5/24/11
6/17/2013
10/15/2015
5/18/11
5/25/11
8/23/2013
05/15/2020
5/26/11
9/11/2013
07/07/2020
Easement
Maintenance
Activities
5/18/11
2/9/2015
The latest maintenance/inspection assessment for this site was conducted on 7/6/2020. Visual
inspection of the upstream and downstream manholes determined that sewer flow within the pipe is
consistent. This assessment was conducted using flow monitors to verify flow velocity equalization on
the downstream and upstream manhole to determine potential blockages that may reduce sewer flow.
There have been no additional issues associated with this section of the collection system since the last
sewer event. This site has been added to the Hot Spot Management Program for debris management
with a recommended maintenance interval of every 30 days.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202001567 — 05/26/2020- 4029 Deep Hollow Dr., Raleigh
This spill was neither willful nor intentional, it was the result of a grease build-up, restricting the
sewer flow within a section of 8-inch ductile iron pipe sewer gravity main. This build-up led to a sewer
spill of approximately 900 gallons of untreated wastewater of which about 600 gallons reached surface
waters through an unnamed tributary within the Crabtree Basin. Approximately 300 gallons remained
within the surrounding ground without (see picture below).
On 5/26/20, at approximately 8:37 AM, Sewer Maintenance staff was notified of a sewer spill
emanating from a manhole (SMH116600) at 4029 Deep Hollow Dr., Raleigh. The responding staff took
all reasonable steps to stop and mitigate the impact of the discharge as soon as they arrived, gaining
control of the spill event by 8:50 AM on the same day. Crews utilized hydraulic jetting to remove the
source of the blockage within the affecting asset, thus restoring sewer flow.
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary spill containment site downstream of the affected area (see picture below). This approach
was intended to contain the flow of sewer and minimize the environmental impact on the surrounding
land. This spill was contained without a significant environmental impact to the adjacent area and its
natural resources. Visual inspection of the affected area and downstream waters confirmed that no fish
kill or unnecessary vegetative damage occurred.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the creek. Crews employed pumps at the temporary
containment site, to recover flushed wastewater and any evidence of sewer back into a downstream
sewer manhole. The areas around the manhole were cleared of debris, treated with an application of
lime, and restored with grass seed and straw.
The cost associated with the mitigation of this event amounted to $5,477.67. The approximate
cost to the Utility to have treated 900 gallons of wastewater would have been approximately $1.35. The
City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the greater volume
of sewage created by the spill.
This area serves a large apartment complex with a history of spills associated with debris and
grease accumulation. Before 05/26/2020 incident, the most recent incident occurred on February 3,
2020 (incident # 202000226), where 3,950 gallons of untreated wastewater was lost. This SSO was also
caused by a buildup of flushed wipes just as the event on 05/26/2020. This site has been identified as a
frequent site for continued assessment. A recent visual assessment of the collection system determined
that the spilled manhole (SMH116600) requires a drop manhole to be installed. This installation would
decrease damage to the invert from a flow 6-ft above. This repair would ease continued sewer flow
downstream as well a minimize the possibility of a spill reoccurrence. The repair was completed on
06/01/2020. A follow-up assessment is scheduled for verification of effectiveness.
Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Inspection
Easement
Flushing activities
Repair activities
activities
Maintenance
Activities
10/22/10
10/3/2012
8/19/2015
01/15/2020
3/10/2012
3/4/11
11/1/10
10/4/2012
02/16/2017
06/01/2020
2/28/11
3/7/11
11/2/10
10/6/2012
01/30/2018
2/23/11
10/20/2012
09/14/2018
3/7/11
3/7/2013
05/3/2019
CCTV activities
3/25/11
4/26/2013
05/9/2019
11/2/10
5/24/11
4/30/2013
10/29/2019
1/5/11
12/9/11
5/8/2013
10/15/2019
10/15/2012
4/4/2012
9/18/2014
03/12/2020
3/27/2013
4/18/2012
8/6/2015
02/11/2020
3/25/11
7/3/2012
8/7/2015
06/22/2020
09/23/2019
9/25/2012
09/20/2019
09/20/2019
10/22/2019
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

The latest maintenance/inspection assessment for this site was conducted on 7/6/2020. Visual
inspection of the upstream and downstream manholes determined that sewer flow within the pipe is
consistent. This assessment was conducted using flow monitors to verify flow velocity equalization on
the downstream and upstream manhole in order to determine potential blockages that may reduce
sewer flow. There have been no additional issues associated with this section of the collection system
since the last sewer event. This site has been added to the Hot Spot Management Program for debris
management with a recommended maintenance interval of every 90 days.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 - Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Incident Number # 202001722 — 05/29/2020-141 Cotton Paws St., Rollesville
This spill was neither willful nor intentional, it was the result of a broken check valve on a forced
main. This asset failure led to a sewer spill of approximately 1,640 gallons of untreated wastewater
reaching an unnamed tributary in Smith Creek Basin.
On Friday, May 29, 2020, at approximately 12:57 PM, Raleigh Water - Resource Recovery Division
contacted the Sewer Maintenance Division requesting assistance with a broken check valve at Pump
Station 113-Granite Acres, located at 141 Cotton Paws St, Rolesville, NC 27571. Operators onsite
reported that the isolation valve could not be turned and would need to be excavated in order to
exercise the valve or replace it. A Sewer Maintenance repair crew was dispatched and began reparations
to excavate the damaged valve. Upon arrival, pump station operators where onsite managing the
station, and no overflow was occurring. The check valve was excavated and found to be damaged. The
isolation valve could not be exercised. The crew proceeded to cut the damaged valves from the force
main at which point wastewater began to backflow into the excavated trench. The flow was managed
until a pump truck that was assisting with the repairs, filled resulting in access wastewater to overflow
the excavated trench ultimately spilling into an adjacent creek. This event occurred at approximately
6:24 PM. Crews took control of the situation completing the repair and stopping the overflow at
approximately 7:05 PM on the same day.
This spill was contained without a significant environmental impact to the adjacent area and its
natural resources. Visual inspection of the affected area and downstream waters confirmed that no fish
kill or unnecessary vegetative damage occurred. The Backup ORC observed no solids, and or wastewater
within the creek. Flow in the creek was high due to heavy rainfall over the preceding 72 hours, which
helped defuse the wastewater downstream before crews could arrive to contain or collect the
discharge. The site of the sewer run-off was treated with an application of lime and restored with grass
seed and straw.
The cost associated with the mitigation of this event amounted to $1,284.16. The approximate
cost to the Utility to have treated 1,640 gallons of wastewater would have been approximately $2.46.
The City saved no money from this spill. Its costs for cleanup and repair exceeded the cost of treating
the volume of sewage had no spill occurred. Furthermore, the City still had to pay the cost to treat the
greater volume of sewage created by the spill.
The failed ball valve and check valve for force main SFMN10041 are intended to allow discharge
from the wet well. The ball valve could not be exercised to isolate the force main. There were no records
of mechanical issues with the device prior to this event. The last maintenance record for this device was
conducted on May 28, 2020.
The events leading to this spill can be considered exceptional, unintentional, temporary, and
caused by factors beyond our reasonable control. Furthermore, the SSO could not have been prevented
by the exercise of reasonable control, such as routine operations and maintenance, adequate treatment
facilities, or collection system facilities or components. A press release notification related to this event
was requested to be published in the Raleigh News & Observer on May 29th, 2020. There have been no
further sewer events associated with this location. See picture below.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

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One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

incident Number # 202001779 -- 05/30/2020- 514 West Cambridge Dr., Raleigh
This spill was neither willful nor intentional, it was the result of a grease build-up, restricting the
sewer flow within a section of 8-inch PVC sewer gravity main. This build-up led to a sewer spill of
approximately 3,180 gallons of untreated wastewater. Reaching an unnamed tributary of Little 5 Basin.
On Saturday, May 30, 2020, at approximately 3:12 PM, Sewer Maintenance staff was notified of
an active sewer overflow occurring at 514 W Cambridge Dr, Zebulon, NC. The responding staff took all
reasonable steps to stop and mitigate the impact of the discharge as soon as they arrived, gaining
control of the spill event by 5:36 PM on the same day. Crews utilized hydraulic jetting to remove the
source of the blockage within the affecting asset, thus restoring sewer flow. Crews also utilized hand
tools to scrape heavy grease deposits from the affected assets.
Containment, collection, cleanup, and restoration of this spill event consisted of employing a
temporary spill containment site downstream of the affected area. This approach was intended to
contain the flow of sewer and minimize the environmental impact on the surrounding land. This spill
was contained without a significant environmental impact to the adjacent area and its natural resources.
Visual inspection of the affected area and downstream waters confirmed that no fish kill or unnecessary
vegetative damage occurred.
During the restoration phase of the operation, crews utilized ample potable water to flush the
affected area and to remove traces of sewer from the area surrounding the manhole and the
downstream surface waters. Crews employed pumps at the temporary containment site, to recover
flushed wastewater and any evidence of sewer. The area around the manhole was cleared of debris,
treated with an application of lime, and restored with grass seed and straw.
A follow CCTV assessment, conducted on 05/30/2020, determined that the main was in
structurally sound condition. No further issues have occurred at this site since this event.
The cost associated with the mitigation of this event amounted to $ 3,096.68. The approximate
cost to the Utility to have treated 3,180 gallons of wastewater would have been approximately $4.77.
The City saved no money from this spill. Its costs for cleanup exceeded the cost of treating the volume of
sewage had no spill occurred. Furthermore, the Citystill had to pay the cost to treat the greater volume
of sewage created by the spill.
This section of the collection system serves a residential area North of West Gannon Ave. in
Rolesville, providing sewer collection services to several multi -dwelling and single-family properties. The
last recorded sewer event within this section of the collection system occurred on 10/14/2028 as a
result of grease accumulation.
A press release notification, associated with this event, was requested to be published in the
Raleigh News & Observer on Saturday, May 30, 2020. Due to Statewide restrictions of COVID-19,
outreach information was delivered on 06/03/2020.38 door hangers were delivered to the affected
area. This outreach literature explains the need for customers to use the sanitary sewer collection
system properly. It also serves as an opportunity for citizens to partner with Public Utilities to protect
the City's water quality and the sewer collection infrastructure.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Prior to this event, maintenance records show that sections of this collection system were
assessed as follows:
Flushing activities
11/24/2015 12/21/2015
12/1/2015 10/11/2017
12/10/2015
06/6/2018
10/17/2018
Inspection activities
18 sewer assets
located within the
sanitary sewer
easement were
inspected between
05/21/2018 and
03/27/2020
CCTV activities
10/17/2018
07/23/2018
Easement
maintenance
09/6/2019 10:52 AM
Repair activities
07/15/2019
The latest maintenance/inspection assessment for this site was conducted on 7/7/2020. Visual
inspection of the upstream and downstream manholes determined that sewer flow within the pipe was
not consistent. Consequently, a follow-up flushing was conducted on the same day. This visual
assessment was conducted using flow monitors to verify flow velocity equalization on the downstream
and upstream manhole in order to determine potential blockages that may reduce sewer flow. There
have been no additional issues associated with this section of the collection system since the last sewer
event. This site has been added to the Hot Spot Management Program for debris management with a
recommended maintenance interval of every 90 days.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

Summary
The Division of Sewer Maintenance, Public Utilities Department, strives in developing initiatives
that improve operational reliability with the goal to meet customer expectations and to meet or exceed
the requirements of the Water Quality Collection System permit. Our operations are focused on
continual improvement, the prevention of pollution, and increase efficiency in environmental
performance. This is greatly noted as the Division continues to operate an ISO Certified Environmental
Management System governed by the 14001-2015 Standards. As part of these initiatives, the Division
operates a comprehensive reactive and preventative maintenance program whose goal is not only to
maintain over 2600 miles of sanitary sewer pipe but also to minimize the accidental release of untreated
wastewater.
Since July 1, 2019 (Fiscal Year 2020), the Utility has maintained approximately 382 [1] miles of
gravity sewer mains, by flushing with hydraulic jetting, CCTV assessments, repair operations, easement
maintenance, and inspections. The fiscal year 2020 cost of these operations amount to $3,102,022.92,
approximately 23% of the Division's annual operating budget. The total volume of sewer spills identified
in this letter adds up to 55,740 gallons at a total mitigating cost of $ 61,659.17. The City saved no money
from these spills. Their costs for cleanup exceeded the cost of treating the volume of sewage had no spill
occurred. Furthermore, the City still had to pay the cost to treat the greater volume of sewage created
by these spills.
The City's cost of sewer treatment per gallon is $.0015 [2]. At this rate, it would have cost the
City $83.61 to treat every gallon of sewer spilled. This fiscal comparison shows the City's commitment to
environmental protection sparing no cost regardless of the severity and complexity of the spill event.
The City continues to demonstrate due diligence in environmental performance by allocating the
necessary resources to a spill event regardless of the associated cost. This effort is noted in the City's
low SSO performance rate of 2.25 spills per 100 miles of pipe, compared to the Southeastern Region of
the US, of 7.0 spills per 100 miles of pipe.
11) 382 miles represents 14% of the sanitary sewer collection system
121$.0015 is based on the annual water treatment operating cost compounded by the total treated effluent.
Additionally, City of Raleigh Assistant Public Utility Directors and Collections System staff has
become involved in challenging the standards of the nonwoven fabrics industry to bring about a better
understanding by consumers of these products and their detrimental effects on the collections systems.
PUD staff has personally met with officers of INDA, the leading association of the non -woven fabrics
industry based in Cary, NC, to communicate our concerns about these fabrics, the current industry
standards, and better education for the consumer. PUD has also joined forces with other utilities
nationwide through the National Association of Clean Waters Agencies (NACWA), the Water
Environment Foundation (WEF), and the American Public Works Association (APWA) to challenge INDA
and current industry standards, recognizing that they do not support compatibility in sanitary sewer
collections systems nationally. These agencies are working collectively to challenge the testing
protocols, assessment guidelines, and consumer education and labeling of these non -dispersible.
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

It is essential to mention that the reportable sewer events identified in this letter (January —
March 2020) show that 33% of SSOs were related to grease; a 15 % increase from events occurred
during the same period in 2019. Between January 1st and July 1st, 2020, 40% of reportable spills have
been related to grease accumulation. Public Utilities continues to increase its educational outreach to
reduce this trend. The Department has developed new educational material as well as informational
videos designed to reach not only food service establishments but residential customers as well. The
City is also developing initiatives to increase partnerships with residential customers to address grease
accumulation and proper disposal. The educational material and videos can access through social media
and our Department's website https://raleighnc.gov/sewer-maintenance
In 2018 the Public Utilities Department increased the efforts of community outreach to further
inform the community throughout direct participation in the City's Citizens Advisory Committees.
Through this initiative, the Public Utilities Department has been able to reach numerous Council Districts
with a consistent message of collaboration and environmental partnership. The Department is currently
developing year three of this effort. Furthermore, this message has been made available not only to the
community but to City Council officials as well. A sample of this message is attached to this letter for
reference.
The City continues its monetary reward program or bounty program, which pays out fifty ($50)
dollars to any citizen that observes and reports an SSO or conditions that may cause a spill event. This
program has been advertised via printed material, a television advertisement campaign, and graphic
design "wraps" on Sewer Maintenance vehicles. These graphics on our vehicles function as mobile
billboards spreading our message of prevention and offering contact information, throughout the
service area each day. This program was developed with the hope that citizens and customers would
become more aware of the signs of an emerging system problem causing the SSO occurrence and
become proactive in helping the City to prevent these occurrences. Additionally, all customers are
notified via their water and sewer utility bills not to discharge improper materials into the sanitary
sewer mains. The City also circulates information regarding discharging of grease into the sewer system
and the effects of such deposits. Whenever possible, and upon the investigation of the root cause of a
spill event, PUD Code Enforcement officers develop and send registered informational letters about the
spill event to the customer base serviced by the line where the SSO has occurred. This is done to
educate our customers in the proper use of the sanitary sewers to prevent disposal of non-flushable
items and items harmful to the continuous operation of the collections system.
On behalf of the City of Raleigh, I am requesting that the NOV-NOI issued for the first quarter of
2020 be fairly reviewed taking into consideration the steps the Department has taken to protect the
environment and meet or exceed the requirements of the Collections System Permit. If additional
information is required, please contact Matthew Vessie, Sewer Maintenance Superintendent (919) 996-
2312 or T.J. Lynch, Assistant Public Utilities Director, at [phone].
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper

erely,
Carlos M Perez, ORC
Assistance Superintendent, Sewer Maintenance Division
City of Raleigh Public Utilities Department
P.O. Box 590
Raleigh, NC 27602-0590
919-996-5929 office
919-278-6020 cell
Carlos. aerezcamacho@raleighnc Gov
CC: Robert Massengill, Public Utilities Director
T. J. Lynch, Assistant Public Utilities Director - Wastewater
Matthew P Vessie, Superintendent Sewer Maintenance Division
One Exchange Plaza City of Raleigh Municipal Building
1 Exchange Plaza, Suite 1020 Post Office Box 590 • Raleigh 222 West Hargett Street
Raleigh, North Carolina 27601 North Carolina 27602-0590 Raleigh, North Carolina 27601
(Mailing Address)
Printed on Recycled Paper