NC0024279_Regional Office Historical File Pre 2018

Environmental Quality
December 14, 2017
Mr. Michael Fox, 'WWTP Supervisor
City of Conover
P.O. Box 549
Conover, North Carolina 28613
Subject: Compliance Evaluation Inspection
City of Conover/Southeast WWTP
NPDES Permit No. NC0024279
Catawba County
Dear Mr. Fox:
SOY COOPER
Governor
MICHAEL S. REGANt�
Secretary
LINDA CULPEPPER
Interim Director
Enclosed is a copy of the Compliance Evaluation 'inspection Report for the inspection conducted
at the subject facility on November 17, 2017, by Mr. Wes Bell of this Office.
Should you have any questions concerning this report, please do not hesitate to contact M.r. Bell
at [phone], or via email at [e-mail].
Sincerely,
W. Corey Basinger, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ
Enclosure:
Inspection Report
cc: Catawba County Health Department
MSC-1617 Central -Basement
State of North Carolina Envin,ityi Water Resources welter Quality Regional Operations
Mooresville Regional Mee 6 i0 East Center Avenue, Suite 3101 Mooresville, North Carolina 28'115
704-663-1699

United States Environmental Protection Agency
EPA Washington, D.C.20480
Water Compliance Inspection Report
Form Approved.
OMB No. 2040-0057
Approval expires 8-31798
,r
, Section A: National Data System Coding (i.e.PCS) -
Transaction Code NPDES - yrlmolday Inspection
1 L'J 2 1J 3 I NC0024279 111 12 I , 17/11117 117
Type'
18 Ld
I I I I I
Inspector
19 Ls]
FacType '
I 20 '
29I I i I I I -I I I I iI 11 I I I 1 I f 1 I I i I I i I I
I II
I I J f i r
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA
6711.0 1 70 I, I. 71 i ti Ji 72 L u S
L,,l LJ
Reserved
731 I 174 751 . I I I. I I I 180
L�J 1
Section B: FacilityData ••
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
. POTW name and NPDES permit Number)
Southeast WWrP
NCSR 1739
Conover NC 28613
Entry TimelDate
12:23PM 17/11/17
Permit Effective Date
15/06101
Exit TimelDate
12:35PM 17/11/17
Perritit Expiration Date
20104l30 -
Name(s) of Onsite Representative(s)1Titles(s)IPhone,and Fax Number(s)
!II _
Michael Lee Foxl1828.465-2279 /6284665106
Other Facility Data
.
- :
'
. • •
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Donald E Duncan,PO Box 549 Conover NC 28613/City. No
Manag er/828-464-1191 /8284655177
. Section C: Areas Evaluated During hspeclion (Check only those areas evaluated) - •
Permit II Operations & Maintenance Sludge Handling Disposal: Facility Site Review -
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary) '
(See attachment summary) . -
•
Name(s) and Signature(s) of Inspe r(s) Agency/Office/Phone and Fax Numbers - Date
Wes Bell MRO WQ11704-663-1699 Ext.2192! I ;7 f l/ 7/ 7 -
.(/y •
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
.W. Corey Basinger MRO WQ11704-235-21941
EPA Form 560-3 (Rev 9-94) Previous editions are obsolete.
. f` 4P-dc,
,di
Page#

NPDES ydmo/day Inspection Type
NC0024270
12 17111/17 17 18
Lai
Section D: Somme
IngIComments (Attach additional sheets of na
and Checklists as necessary)
Page#
2

Penult: NCD024279
Inspection Date: 11/1712017
Owner - Facility: Southeast W WTP
Inspection Type: Compliance Evaluation
Permit
(If the present permit expires in 6'months or less). Has the perrnittee submitted anew
application?
Is the facility as described in the permit?
# Are there any special conditions for the permit?
Is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
Yes No NA NE
❑ ❑ IN ❑
❑ ❑ • ❑
❑ ❑ • ❑
❑ ❑ ❑ ❑
▪ ❑ ❑ ❑
Comment: The facility has not discharged treated wastewater since early 2004. The wastewater flows
were conveyed to the City of Newton's WWTP for final treatment/disposal. The treatment
facility would require significant upgrades/renovations prior to reactivation.
The last compliance evaluation inspection`was performed at the facility on 11/25/14 by DWR
staff.
Operations & Maintenance
Is the plant generally clean with acceptable housekeeping?
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable
Solids, pH, DO, Sludge Judge, and other that are applicable?
Yes No NA NE
❑ ❑ • ❑
❑ ❑ ■ ❑
Comment: The water levels (stormwater) in both SBR units are monitored and removed (as -needed) by
City staff. The water is transported to the Citv's Northeast WWTP for final
treatment/disposal.
Page# 3

Water Resources
ENVIRON EGNT AL GUALLIY
June 24, 2016
my Clark
City of Conover
PO Box 549
Conover, NC 28613-0549
Subject: NPDES Electronic Reporting Requirements
Southeast WWTP
NPDES Permit Number: NC0024279
Dear NPDES Permittee:
PAT MCCRORY
DCINALD R. VAN DER. VAART
S. JAY ZIMME,RMAN
The U.S. Environmental Protection Agency (EPA) recently published the National Pollutant Discharge
Elimination System (NPDES) Electronic Reporting Rule. The rule requires NPDES regulated facilities to
report information electronically, instead of filing written paper reports. The rule does not change what
information is required from facilities. It only changes the method by which information is provided (Le.,
electronic rather than paper -based).
EPA is phasing in the requirements of the rule over a 5-year period, The two phases of the rule, and their
key milestones, are:
Phase 1—Starting on December 21, 2016, regulated entities that are required to submit Discharge
Monitoring Reports (DMRs) will begin submitting these reports electronically. of you are currently
reporting your DMR data electronically using eDMR, then you simply need to continue reporting
in the same way as you are now. The key change is that, starting on December 21, 2016,.
electronic reporting of DMRs will be required, instead of voluntary.
Phase 2 —Starting on December 21, 2020, regulated entities that are required to subrnot certain
other NPDES reports will begin submitting these reports electronically. Reports covered in the
second phase include Notices of Intent to discharge in compliance with an NPDES general permit,
Sewer Overflow/Bypass Event Reports, and a number of other NPDES program reports.
Incorporating Electry is Reporting Requirements into NPDES Permits
The NPDES Electronic Reporting Rule requires authorized NPDES programs to incorporate electronic
reporting requirements into NPDES permits beginning December 21, 2015. Under the new rule, the
electronic reporting process supersedes the paper reporting process. According to our files, your NPDES
permit became effective after November 2013, and should contain the requirement to electronically
report your Discharge Monitoring Reports using NC DWR's eDMR system.
In addition to requiring permittees to report information electronically, the rule also requires permittees
to identify the initial recipient for the NPDES electronic reporting data [see 40 CFR 122.41(I)(9)I. Initial
State. of North Carolina q Envirotamentai Quality Water Ressoureet
1 ° 1 7.M;all Servi.ce Center Raleigh, N6r"t10 Ca Mina (' t).16 17
919 807 6300

recipient of electronic NPDBinformation fromNPDES-regulotedfocilities(initial recipient) means the
entity (EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity
for receiving electronic NPDESData [see 4U[FRI27.2(b)]. Permitteesare required roelectronically
submit the required NPDES information to the appropriate initial recipient, as determined by EPA. By July
18'20I6'EPA must |dentifyand publish onits web site and inthe Federal Register alisting ofinitial
recipients bvstate and byNPDESdata group. Once available, you can use EP4/sweb site tofind out nr
determine the initial recipient mfyour electronic submission.
NC DWR has submitted a request to EPA to be the initial recipient for the following NPDES data groups:
I Discharge Monitoring Reports;
2. General Permit Reports, [Notices of|ntenttodischarge (NO|s);Notices ofTermination (NQTx)];
] Pretreatment Program Reports; and
4, Sewer Overflow/Bypass Event Reports
EPA'sweb site will also link tothe appropriate electronic reporting tool for each type cfelectronic
submission for each state, Instructions on how to access and use the appropriate electronic reporting
tool will be available as well,
For more information onEPA's NPDESElectronic Reporting Rule, visit
http://w mp|iance/fina|'nati9na|-puUutant-d|scharge~e|iminetwn-�mtem-npdcs-
electron For more information on e!ectrunic reporting to N[ DVVR, visit
http://deq.nc�eov/ao/contact Vanessa
Manuel at919'B07'G392orvia email acVanessa.M [[e-mail].
Sincerely,
J [J.
for S,Jay Zimmerman, P.G.
[c: NpDESR|e
Central Files

Pat McCrory
Governor
North Carolina De
it .rwrs
NCDENR
Dartment of Environment and Natural Resources
December 1, 2014
Mr. Michael Fox, Supervisor Wastewater Treatment
City of Conover
P.O. Box 549
Conover, North Carolina 28613-0549
Subject: Compliance Evaluation Inspection
Southeast WWTP
NPDES Permit No, NC0024279
Catawba County
Dear Mr, Fox:
John E. Skvarla, III
Secretary_
Enclosed please find a copy of the Compliance Evaluation Inspection report for the inspection
conducted at the subject facility on November 25, 2014, by Ms, Marcia Allocco of this officer 1 thank.
you for your and Mr. Rubins assistance regarding the site visit/inspection.
The inspection report should be self-explanatory, however, should you have any que
concerning the report, please do not hesitate to contact me at [phone] or
marcia.allocco [e-mail].
cc: Wastewater Branch
MSC 1617 — Central files basement
MA
Sincerely,
ons
Marcia Allocco, MS; Environmental Senior Specialist
Water Quality Regional Operations Section
Division of Water Resources, NCDENR
Mooresville Regional Office
Location. 610 East Center Ave., Suite 301 M©oresv6e, NC 28115
Phone: [phone] Fax: [phone] Customer Set hoe t-877-623--6748
Internet: httpalportal.ncdenr.orgtweblwq
An. Equal Upoortunity l At rmative Action Employer -. 30°% Recycled:l0% Post Consumer paper

EPA
United Slates Environmental Protection Agency
Washington, D.C. 20460
Water Compliance Inspection Report
Form Approved.
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPDES yrlmofday Inspection Type Inspector Fac Type
1 '�, ` 2 I� I 3 1 NC0024279 111 12 L 14/11125 117 18 i � i 19 I c I 201 1
211I111I11I111I1I1IIIIIIII1III1IIIIIIl11I1IIf6
Inspection Work Days
67 10.0
Facility Self -Monitoring Evaluation Rating
7013 .1
B1 CIA Reserved
71l„ I 72, 2, 1 73' I I74 75I 1 1 1 1 1 I I80
Section B: Facility Data
Name and Location of Facility inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES permit Number)
Southeast WWTP
NCSR 1739
Conover NC 28613
Entry Time/Date
02:06PM 14/11/25
Permit Effective Date
12109/01
Exit Time/Date
02:52PM 14/11/25
Permit Expiration Date
15/04/30
Name(s) of Onsite Representative(s)1Titles(s)/Phone and Fax Number(s)
111
Evan Andrew Rubins/ORC/628-465-2279/
Name, Address of Responsible OfficiallTitle/Phone and Fax Number
Jimmy A Clark,PO Box 549 Conover NC 28613054911828-464-4808/6284645299
Contacted
No
Other Facility Data
- Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit Facility Site Review
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s) of Inspector(s)
Agency/0fcelPhone and Fax Numbers Date
Marcia A0occo MRO WQ11704-663-1699 ExL2204/
rip
-jt1I4
Signature of Management Q A Reviewer
Agency/Office/Phone and Fax Numbers Date
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page# 1

NPDES
NC0024279
yrlmolday
121 14/1 t/25
Inspection Type
18
Section D
u
Finding/Comments (Attach additional sheets of narrative and checklists as ne
a
Page#

Permit: NC0024279
Owner - Facility: Southeast WA/TP
- Inspection Date: 11/25/2014 Inspection Type: Compliance Evaluation
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the pemiittee submitted a new
application?
Is the facility as described in the permit?
# Are there any special conditions for the permit?
is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
❑ ❑ • ❑
• ❑ ❑ ❑
II ❑ ❑ ❑
▪ ❑ ❑ ❑
Comment: NC0024279 was reissued by the Division on August 10, 2012, with an effective date of
September 1, 2012. The permit is set to expire on April 30, 2015. The previous compliance
evaluation inspection was conducted on September 22, 2010.
The facility is inoperable and the monthly DMR submission and ORC visitation requirements
have been suspended. As per special condition A(2) the City of Conover must submit a
facility plan (construction plan, permit modification request, and biosolids management plan)
prior to restart of the VWVfP.
City of Conover staff periodically visits the VWVrP to ensure no discharge: treatment units
were full of stormwater and duckweed.
Page# 3

EPA
Transac6on Code
1 11 2 51
Inspection Work Days
671 .0 1 69
United States Environmental Protect Bora Agency
Washington, t1,C, 2e460
Water Compliance Inspection Report
Section A: National Data System Coding (i.e., PCS)
NPDES
NC;r '4279
121
yr/mo/day
10 0+ /22
Form Approved.
OMB No, 2040-0057
Approval expires 8-31-98
Inspection Type Inspector Fac Type
181; l 191 }, 20,
Remarks
1 1 1 1 1 1.1 LI_l .j H 1 1 1 .1 .1 1 1 I I I 1 1 1 I
Facility Self -Monitoring Evaluation Rating B1
701
Name and Location of Facility Inspected (For Industrial Us
POTW name and NPDES permit Number)
NCSR 17
Ceano rer
Name(s) of
/I/
p
Michael Lee Fox/QRC/8$B-465-2279/
71L
Section 6: Facility Data
QA.
72W
discharging to POTW, also include
Phone and Fax. Number
Name, Address of Responsible ©fficiaUTitle/Phone and Fax Numt
Contacted
Michael Pee Fox, 1O Eox 549 Conover. NC. 8611/,/a2 -4 5-51 0 828456510&
Permit
No
174 751 1 1 I .1 1 1. 180
Entry Time/Date
0.1:00 95 10/09/22
Exit Time/Date
10/09/22
Other Faciliiv Data
Section C: Areas Evaluated During Inspection (Check only those areas evaluated
Permit Effective Date
05/08/01
Permit Expiration Date
t.0/04/90
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
See attachment summary)
Name(s) and Signature(
John E'er'
oftnspector(s)
7
Agency/Office/Phone and Fax Numbers
Me0 W077704-663-.1 94 Ext . 229 t/
Signature of Management 0 A Reviewer Agency/Office/Phone and Fax Numbers
EPA Form 3560- (Rev 9-94) Previous editions are obsolete.
Date
Date
Page #

31
NPDES
NC0024279
111 121
yr/mo/day
10/09/22
117
Inspection Type
18 LI
(cont.) 1
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
The Conover SE WWTP was visited on 9/22/2010. The gate was locked and the facility was not accessible;
however; from outside the gate it is evident the Conover SE WWTP has not been in operation for an
extended period of time and is currently inoperable. The current facility is located on SR 1734, McLin Creek
at SR1734 is on the 2010 303d list for impaired waters (aquatic life).
DWQ Pretreatment Program Information database (Filemaker Pro) per Mike Fox 6/26/07 - Southeast
WWTP still there, but no WW going there, not even pump station to get it there, and no plans for this to
change. So I will not count the 0.6 mgd Design of this WWTP towards their MODIFIED Status.
the Southeast WWTP began to be piped to Newton this early 2005 per Mike Fox on 5/2/05. Southeast did
have an SIU previously - GKN Sinter Metals - that was dropped in 2003.
Page # 2

Permit: NC0024279 Owner - Facility: southeast WWTP
Inspection Date: 09/22/2010
Inspection Type: Compliance Evaluation
Permit
(If the present permit expires in 6 months or Tess). Has the permittee submitted a new application?
Is the facility as described in the permit?
# Are there any special conditions for the permit?
Is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
Comment: Special Condition: Facility Restart Notification. Prior to restart a
construction plan which includes documentation of treatment units that must be
upgraded, repaired, or replaced as well as any new installations must be submitted
along with a permit modification request (no increase in flow will be allowed without
addtional reviews by DWQ), and a biosolids management plan. A permit renewal
application was received on 10/30/09 by DWQ, the permit is currently under review.
Half of the facility was removed to make way for a road and the remainder of the VWVTP
does not contain infrastructure to convey influent to the treatment units; therefore, the
current facility is completely out of service and has been abandoned. A monthly
reporting waiver was granted on 11/16/05.
Yes No NA NE
■ ❑ ❑ ❑
❑ ❑ ■ ❑
■ ❑ ❑ ❑
■ ❑ ❑ ❑
❑ ❑ ■ ❑
Page # 3

CITY OF CONOVER
WASTEWATER
TREATMENT ANNUAI
PERFORMANCE
REPORT
£ 19 Z .mou©J
615 "El Od
.I.OAOUO3JO KID :uz©.id

Purpo e: This report is to notify our customers about our water pollution control activities during the
fiscal year from July 1, 2010 through June 31, 2011. It covers the City of Conover Watewater
Treatment Plant and Collection System.
I. General information
Facility System Name: City of Conover Wastewater Treatment and Collection System
Responsible Entity: City of Conover
Person in Charge/Contact: Michael Fox - Wastewater Treatment and Collection Supervisor and
Northeast WWTPQRC
Phone: [phone] Cell 217-5097
Tony Parker- Collection System ORC
Cell. 312-4344
Collection System
Ce11 217-5101
Applicable Permits: Northeast Wastewater Treatment Plant NCQQ24252
City of Conover Collection System Permit No. WQCS00088
Description of Collection System and Treatment Processes:
Collection System: The City of Conover's collection system consist of 11.6 miles of sewer line with seven
pumping station. The collection system transports wastewater to the City of Conover's Northeast Waste-
water Treatment Plant, and a portion, to the City of Newton's Regional Clark Creek. Wastewater
Treatment Plant.
Northeast Wastewater Treatment Plant: The City of Conover Northeast Wastewater Treatment Plant is
located at 3680 Hillview Drive, Conover. It is a sequencing batch reactor, activated sludge facility with.
tertiary sand filters. The discharge goes into Lyle Creek. The Northeast Facility has a permitted treatment
capacity of 1, 5 million gallons per day with a present day average flow of 0.658 million gallons per day.
Note to Consumers: If all of your drains
seem to be clogged, call the City before
calling a plumber. The City crew will come
out, at no charge, and check the problem
and unclog the blockage if it is in the C ity's
collection line. If it is in your tap you will
have to call a plumber, but let us check first
Day time numbers: 464-4808
465-2279
217-5101
217-5097
Evenings
464-3112

Please help us keep our environment clean.
Dispose of cooking grease as solid waste
IL Performance:
The City of Conover is very proud of the performance of the treatment plant and collection system over this year 2010-
2011.
Collection System:
The City of Conover"s Collection system experienced four reportable overflows during the 2010-2011 period.
On December 10, 2010 a manhole overflowed at 609 4th St SW. An estimated 700 gallons of untreated wastewater was
spilled. Roots and debris in the line was the cause.
On December 24, 2010 a manhole overflowed at 2009 Keisler Road SE. An estimated 4500 gallons of untreated wastewater
was spilled. Debris in the line was the cause.
On January 27, 2011 a manhole overflowed behind the City of Conover Public Works Complex on 4th Street SW. An
estimated 500 gallons of untreated wastewater was spilled Debris in the line was the cause.
On March 18, 2011 a manhole overflowed at the ER Carpenter Pump Station site. An estimated 800 gallons of untreated
wastewater was spilled. Debris in the line was the cause.
The City of Conover 's staff would like to take this opportunity to thank the concerned citizens who notified us of sewer
problems this past year. Your help greatly improves our ability to protect the environment.
Northeast Wastewater TreatmentPlant:
The City's Northeast Treatment Plant was in compliance with all parameters during the 2010-2011 period.
NEWVVTP
NC0024252
Discharge 001
Effluent Pollutants
influent Pollutants Rerrovat
Date
Flow (mgd)
BOD
NH3
TSS
Fecal Coliform
Toxicity
BOD
TSS
BOD
TSS
July-10
0.592
2.61
0.54
4.65
11
214
_
234
99%
98%
August-10
0.544
0.85
0.57
2.18
3
219
164
100%
99%
September-10
0.603
0.30
0.28
3.52
2
PASS
250
212
100%
98%
October-10
0.748
0.95
0.87
2.39
2
237
180
100%
99%
November-10
0.599
0.00
0.50
0.84
1
245
228
100%
100%
December-10
0.778
1.01
0.56
4.13
1
PASS
249
243
100%
98%
January-11
0.727
0.00
0.40
1.62
1
288
220
100%
99%
February-11
0.725
0.19
0.39
0.33
1
247
207
100%
100%
March-11
0.790
0.77
0.62
1.52
2
PASS
281
184
100%
99%
April-11
0.656
0.84
0.36
3.17
1
211
202
100%
98%
May-11
0.620
2.31
0.55
3.17
3
251
283
99%
99%
June-11
0.509
1.97
0.81
4.19
10
PASS
348
426
99%
99%
Yearly Average _
0.658
0.98
0.54
2.64
3
253
232
100%
99%
NPDES
LIMIT
1.500
16/8
4.0/2.0
30
200co1/100m1
Pass/Fail
85%
85%

n of Water Quality
Frona
CC.
By:
Date:
Re:
Comments:
Matt Matthews
Rob Krebs t:i
Tom I3elnick.
John Lesley'
11,'10./2010 ' <
Conover SE WWTP
NC0024279
Recommended Revocation
d the Conover 1:` "'l1 , NPDES Permit N
September 22, 2010. The facility£ discharged t
Catawba River watershed is listed on the 2010 303d
mpaired°aters. The NPDES Permit is '°lnactivu`' and the facility has
been abandoned since January 2005. Conover 5E WWTP wa.s constructed
in two treatnre¢ t tt°airs, taaae, of tyhich ,has been demolished and paved over
during the constrtrctirrn oftlte tte ' Elwy 16 interchange with Emmanuel
Church Road (SR 17 39). All wastewater has been diverted by gravity flow
to Newton Clark. Creek ti "WTP (NC0036196).
There is no infrastruc°stare to et save 'flow to the Conover SE #:acility=. Th,e
existin{e facilityk is not operable. See attached CEI and comments fro the
Pretreatment Information Database concerning the WWTP. Accordir,
the staff report. dated. May 2:3, 2t05, the City wants to retain the permi
future growth if needed. The permit expired on April 30, 2010. A permit
renewal application was rccei ed on 10'30/09 and is currently- ``in review".
This office reconarxaertds
be revoked. The Conover SI
\V\VTP is in an inoperable condition and has no means to receive flow, the
facility would discharge to NleLin Creek, an unpaired surface water, and.
the Newton WWTP has the capability grad capacity to adequately treat the
wastewater from. the area — an attractive alternative to surface discharge
into NlcLin Creek. An Interjurisdictional agreement between Conover and
Newton grants Conover allocation for future growth.
This will be. tl e first of several WIATTP NPDES Permits that the MRC) will
be requesting revocation. If you have any questions, please !'eel free to call
me at 704-2 35-21176.

Dym Sta rwcnmenta€ Protection Agency
'Alastialgton, DC.20450
Water Cornpliance Inspection Report
Section A, National Data System Cc,,dng e PCS)
NPD.ES
NC0024279,
ERer
Transacton Code
2 1 51
2
yr/me/day
10,09/22
Remarks
Inspection. WIDik Days Factkty Selt-\lontor'ng Evaivafinn Rating B1
7 1 ,59 701
7.11 I 72 N
Section B: Fac0ty Data
Inspection Type
181 ,L,1
1-1
Form Approved,
OMB No 2040-0057
Approval expires -08
Inspector
101si
Fac TPe
201 I
74 75 I I 1111
I 80
e and Location of FacAlity Inspected (For Industrial Users dIscharging to POTV,/, also incl
-,At name and NPIDES permit Number)
Scwtheazt WW.TP
NCSR 173
Doncvet ND 25,-7:13
Entry TimeiDate
00.1e000-,, FM 10/09;22
Et Time/Date
31:e3C1. 10./09022
arnets) of 'Onste, Representahve(s)/Tilles(s)iPhone and Fax Number(s)
Mcchael. Lee F cc< / ORD .182a -4E5-2279
Name Add r ess IesponsbR CACWTitWPhone and Fax Nuntot
Ccmtacled
4ich1fel Lee 1c1,F0 Bcx 540- CA:mover DC 2e613//622-466-5100/8254665106
ND
Pe( i
Se (ion D:
Perm8 Effective Date
500810:,1
Permit Expiration. e.
C.) /04/30
Other Fait ty Data
Areas EvakJated Duitr g Irspecton (Check only those areas eva ua ed)
(See attachment summary)
'Attach oddto 10 shee's of narrativechecklists ar n e
Name(s) and Signattffe(s) of Inspectoqs)
John, 0
.131440 o M111400Tnent 0 A. Reviewer
Agency(OfficelPhone and Fax Numbers
MRD ne/704-663-1699 Ext,21.98/
Agencry/OfficeiPhone and Fax Numbers
EPA Form 3560-3 (Rev 9,-94) Prev 0U5 e. I10f1 3 0 obsolete
Date
Dale
Page

NPDES yr/mo/day Inspection Type
31 NC0024279 lii 121 10/09/22 I17 18I
Section 0: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
The Conover SE WVVTP was visited on 9/22/2010. The gate was locked and the facility was not accessible;
however; from outside the gate it is evident the Conover SE VWVTP has not been in operation for an
extended period of time and is currently inoperable. The current facility is located on SR 1734, McLin Creek
at SR1734 is on the 2010 303d list for impaired waters (aquatic life).
DVVQ Pretreatment Program Information database (Filemaker Pro) per Mike Fox 6/26/07 - Southeast
WVVTP still there, but no WW going there, not even pump station to get it there, and no plans for this to
change. So I will not count the 0.6 mgd Design of this VVVVTP towards their MODIFIED Status.
the Southeast VWVTP began to be piped to Newton this early 2005 per Mike Fox on 5/2/05. Southeast did
have an SIU previously - GKN Sinter Metals - that was dropped in 2003.
(cont.1 1
Page # 2

Permit: NC0024279
Inspection Date. 0912212010
Owner - Facility: 'Southeast iii.i\ATP
Inspection Type: Compliance
Permit
(If the present permit expires in 6 months Has the permittee submitted a new appIiC3tR3fl?
s the facility as described in the permit?
Are there pecI conditions for the permit?
Is access to the pan t site restricted to the general putiic?
Is the inspector granted access to all areas for inspection?
Comment: Special Condition: Facility Restart Notftcaton. Prior to restart a
construction plan which includes documentation of treatment units that must be
upgraded, repaired, or replaced as well as any new installations must be submitted
along with a permit modification request (no increase in flow will be allowed without
addtional reviews by DVVQ), and a biosolids management plan, A permit renewal
application was received an 10/30109 by DVVQ, the permit is currently under review,
Half of the facility was removed to make way for a road and the remainder of the V\APVIP
does not contain infrastructure to convey influent to the treatment units, therefore, the
current facility is completely out of service and has been abandoned. A monthly
reporting waiver was granted on 11/16/05.
Yes No NA NE
o nnn
noon
o nDn
o nnn
primp
Pa,

ATA
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
March 30, 2010
Mr. Michael Fox
City of Conover
Post Office Box 549
Conover, NC 28613-0549
Subject: PAR Review
City of Conover
NPDES Permit No. NC0024279
Catawba County, NC
Dear Mr. Fox:
Mooresville Regional Office staff has reviewed your Pretreatment Annual Report (PAR) for the
reporting period of January through December 2009. Based on the review, it appears that the POTW completed
the PAR in accordance with guidelines set forth in Chapter 9 of the Comprehensive Guidance for North
Carolina Pretreatment Programs. The next PAR is due on March 1, 2011.
If you have any questions concerning your PAR, please do not hesitate to contact me at 704-663-1699 or
by email at [e-mail].
Sincerely,
John Lesley
Environmental Specialist
Mooresville Regional Office
Cc: PERCS Unit — Dana Folley
Mooresville Regional Office
Location: 610 East Center Ave., Suite 301 Mooresville, NC 28115
Phone: [phone] Fax: [phone] \ Customer Service: 1-877-623-6748
Internet: htlp:Aportal.ncdenr.orglweblwq
One
NorthCarolina
7haturall,y
An Equal Opportunity 1 Affirmative Action Employer— 50% Recycled/10% Post Consumer paper

t
NCDENit
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
Mr. Donald E. Duncan, ar. Town
City of Conover
101 1 "' Street East
Post Office Box 549
Conover, North Carolina 2861.3
Dear Mr. Duncan:
na
February 24, 2010
Subject: Interim .Inspection
Conover, Catawba County
NE Outfall & Assoc. Sewer Rehab & Replat*ement
Project No. 2W 370 436-05
The Construction Inspection Group (CIG) of the Construction Grants and Loans Section
performed an interim. inspection for the state and federally funded portion of subject project on
Tuesday February 9, 2010. CG&L did not attend last month's meeting. Interim. inspections are
conducted in conjunction with the monthly progress meetings scheduled for the 2°`t Tuesdays each
month at 2:30 p.m., however, the time henceforth will be 2:00 p.m. Location of the Progress
meeting is at the Conover Public Works Building at 939 4`t` St. SW. The next meeting is scheduled
for Tuesday March 9, 2010. Contract completion date remains at July 13, 2010.
You should review this report; take actions or pro p ide responses as indicated and then file
for your records. If you have any questions please contact me at [phone] or via e-mail
aerald.Florian @ncdenr.00v.
n, PE
al Engineer
Construction. Inspection Group
WK Dickson, Ryan Hager, PE
Rob Krebs, Mooresville Regional I.'
CIG - Mark Hubbard, PE, Don Evan
ARRA
Q Office.
Construction Grants Mans Section
1633 Malt Service Center Raleigh NC 27699-1633
Phone: [phone] / FAX: 919.715,6229 1 Internet: www.necginet
An EqualOpportunity/Affirmative Action Employer - 50% Recycled / 10% Post Consumer Paper
One
NorthCarolina
Naturally

Conover, NC
'NE °Win & Assoc. Sewer Rehab & Replacement
2W 370 43.6-05
Page 2 of 2
Interim Inspection of
February 9, 2010
GENERAL CONCERNS / RECOMMENDATIONS / ACTION ITEMS -Please note
UPDATES on Comments and Concerns noted in previous progress meetings (for reference) are
italicized.
1.. The cured in place pipe (CIPP) installation will resume in - 2 weeks. This work is being done
by sub contract with ITG (Improved Tech Group) from Tennessee, The CIPP is part of work
order #5.
2. Sotne point repairs remain on work order #3 which is almost. done.
Several manholes were viewed after January's .meeting, MHs 087, 092, 096, 114, 084, 090, 089.
These were of particular interest as they had been reported as leaking manholes and thus subject
to grouting and/or rehabilitation. CMT is using injectable grout, An alternatate payment
method for this work was discussed. Feb. Update: an alternate payment method Pr grouting
was Worked out,
4. Owner wants to replace those brick manholes where geometry or geography or depth do not
impede doing so. Feb. Update: it was concluded there are ,no manholes viable for this option.
5. As already related, regarding the question for funding of tree removal in Right -of -Way - CG&L
will not participate in 'funding this work. This work will he subbed., it is high liability. Feb.
Update: there are now 2 trees of concern.
6. Work order #6 will begin Feb. 22.
LOAN .DISBURSEMENTS 2W370 436-05
Construction reimbursement request of December is in process. Reimbursements total $630.183
through February. Total construction contract amount is $1,390,562.25. Project is - 48 74-
complete in engineer's opinion.
DESCRIPTION of ELIGIBLE WORK by Atlantic Coast Contractors (AC)
Cleaning and TV investigation of approximately 18,500 linear feet of sewer pipe and service
laterals, numerous point repairs, some line replacement, and manhole rehabilitation.
CHANGE ORDER UPDATE -Change order no. 3 has been reviewed and recomtnended for
approval. CO#3 includes quantity adjustments and increases contract by $31,519.
RFPs Status - none outstanding
RFIs Status none requested
Project Schedule - Atlantic Coast Contractors„ Inc. is - 5.5+% complete with contract and
approximately - 50% of the contract time has elapsed. It appears contractor. AC is on schedule.
SUBMITTAL Status- all have 'been approved
Inspectors logs/Work Orders were previously observed and deemed adequate.
Signage and labor information is posted.
As-builts or Record Drawings are not applicable to this project.
List of Attendees:
Jimmy Clark
Leah Martin
Ryan H.ager, PE
Ryan Tutterovv
Greg Williams
Gerald W. Horton
Conover, Public Works Director
WP COG
WK Dickson, Proj. Mgr.
Atlantic Coast Constructors, Inc., Supt.
Atlantic Coast Constructors, Inc.. Proj. Mgr.
NC Construction Grants & Loans
828 464-4808
828 485-4252
828 320-0826
252 904-6788
919 715-6219

lotion such as
North Car
DENR
a Department of Environment and Natural Resources
Division of Water Quality
Coleen R. Sullins Dee Freeman
Director Secretary
uary 29, 2010
E. Duncan, Jr.
Conover
sd Street East
Post Office lox 549
Conover, North Carolina 28613
Subject: Interim Ir►spection
Conover, Catawba County
NE Outfall & Assoc. Sewer Rehab & R.eplacement
Project No, 2W 370 436-05
^tr. Duncan:
The Construction inspection Group (t IG) of the Construction Grants and Loans Section
performed. an interim inspection for the state and.. funded portion of subject project on.
Tuesday January 12, 2010. CG&L did not attend last montInterim inspections are
conducted in conjunction with the monthly progress meetings scheduled for the 2ni1 Tuesdays each
month at 2:30 p,ru.., however, the tune henceforth will he 2:00 p.m. Location of the Progress.
znect:ing is at the Conover Public Works Building at 939 `'' St. SW, The next meeting is scheduled
fi: r Tuesday February 9, 2010.
For project h
check fist ini °rrnation, the reader is referred to earlier reports because such inforr�l doesn't
usually change during the course of the project. You should review this report; take actions or
provide responses as indicated and then file for your records.. If you have any questions please
contact me at (r,)l ) 715 6219. or via e-mail [e-mail].
�lG
ald W. lit
Environmental Engineer
Construction Inspection Group
:f work" and initial in
cc: WK Dickson, Ryan. Hager, PE
Iob Krebs, Mooresville Regional E)WQ t iffYice
CEG - Mark Hubbard, PE. Don Eva
ARR_A
PE
Construction Gran is Loans Section
1633 Mail Service Center Raleigh NC 27699-'I633
Phone: [phone] ! FAX: [phone] Internet: www.necgl,net
An Equal Opportunity/Affirmative Action Employer 50% Recycled 1 10Q, Past Consumer Paper
One
NorthCarof eta
'VaturaI/j

Conover, NC
NE Outfall & Assoc_ Sewer Rehab & Replacement
2W 370 436-05
Page 2 of 3
Interim Inspection of
January 12, 2010
GENERAL CONCERNS / RECOMMENDATIONS / ACTION ITEMS —Please note
UPDATES on Comments and Concerns noted in previous progress meetings (for reference) are
italicized.
1. It was related that the ORC Mike Fox repeated his observation that the sewer rehab project had
made an observable difference in influent Qs after rain events.
2. Several manholes were viewed after meeting, MHs 087, 092, 096, 114, 084, 090, 089. These
were of particular interest as they had been reported as leaking manholes and thus subject to
grouting and/or rehabilitation. CMT is using injectable grout. An alternatate payment method
for this work was discussed.
3. Owner wants to replace those brick manholes where geometry or geography or depth do not
impede doing so.
4. ITG is the sub doing the CIPP line work, predominantly in. WO# 4 & #6.
5. As already related, regarding the question for funding of tree removal in Right -of -Way - CG&L
will not participate in funding this work. This work will be subbed, it is high liability.
LOAN DISBURSEMENTS 2W370 436-05
Construction reimbursement request of December is in process. Reimbursements total $543,003
through December on project. Total construction contract amount is $1,390,562.25.
Project is -- 48 %+ complete in engineer's opinion.
DESCRIPTION of ELIGIBLE WORK by Atlantic Coast Contractors (AC) :
o Cleaning and TV investigation of approximately 18,500 linear feet of sewer pipe and
service laterals,
sewer rehabilitation to include point repairs of approximately:
o 420 Iinear feet of 8-inch gravity sewer,
o 36 linear feet of 10-inch gravity sewer,
O 36 linear feet of 12-inch gravity sewer, and
O 36 linear feet of 15-inch gravity sewer;
o point repairs to existing 4-inch and 6-inch service Iaterals;
o replacement of 1, 235 linear feet of 8-inch gravity sewer;
replacement of 635 linear feet of 12-inch gravity sewer;
rehabilitation to existing manholes;
rehabilitation (using cured -in -place pipe lining) of :
700 linear feet of 8-inch gravity sewer,
50 linear feet of 10-inch gravity sewer,
150 linear feet of 12-inch gravity sewer,
100 linear feet of 15-inch gravity sewer, and
reconnection of service laterals within and up to the existing right-of-way
CONSTRUCTION INSPECTION
Observations of Atlantic Coast Contractors construction and progress
1. All cured in place work is done unless there is some on WO#5.
2. Work is completed on Work Order # 01 which consisted of TV video of sewers.
3. Work is completed on Work Order # 02 which consisted of TV video of sewers.
4. Work is completed on Work Order # 02-A which consisted of TV video of sewer laterals.
5. Work Order #03 consisting of point repairs and CIPP is nearly complete.
6. Work Order #04 for manhole repairs and MH dishes has been approved by City of
Conover and is in process.
0 0. 0.0.0.:0 0 0

Conover, NC
NF, Outfa.11 & Assoc. Sewer Reh rb & Replacement
2W 370 436.-05
Page ;3 of 3
Interim Inspection of
January .12, 2010
7. Work Order #05 is ftrr line (porrrt repairs a GC will Ire turnir g hack to this work after
WO#3.
8. Work Order #6 is for MI -Is only. As of this date 35 MHs have been repaired and — 53
remain to he repaired.
9. GC holding off on asphalt pavement repairs due to plants being closed for cold weather.
CHANGE ORDER UPDATE —Change order no. 2 was approved Dec. 29, 2009 for
$5,910.00 to adjust for Quantities. However, the approval errantly indicated $0 change.
No change in contract time was requested on either change order no.l or no. 2.
RF Ps Status - none outstanding
RTIs Status - none requested
Project Schedule --Atlantic Coast. Contractors, — 48+'/e complete with contract and
approximately . 50 7 of the contract time has elapsed. It appears contractor, AC is on
schedule.
SUBMITTAL Status- all have been approved
Inspectors logs/Work Orders were previously observed and deemed adequate.
Si.gnage arid labor information is posted.
As-builts or Record Drawings are not applicable to this project.
List of Attendees:
Terry Jones
Leah Martin
Ryan Hager, PE
Al Stewart, PE
Torn Estep
Ryan Tutterow
Greg Williams
Gerald W, Horton
Conover, Asst. Public Works Director
WP COG
l fs,rrr a l(n @ w Peo or2
WK, Dickson, Proi
rwvha [e-mail].
W'K Dickson, Client Mgr.
as,t w rt (k ww kraickrbr ir.coni
WK Dickson, Constr. Observ.
lestept ,l lie"k n ce; 3
Atlantic Coast Constructors, Inc_, Supt.
r1totte ac1.cortr
Atlantic Coast Constructors, Inc., "Prod. M
NC Construction Grants & Loans
lald
g.� .. torr (n` nedenr'M off' ��lryor �..�..
828 464-4808
828 485-4252
828 320-0826
704 650-9903
252 904-6788
919 71.5 6219

CITY OF CONOVER
VrfEVATER
TREATMENT ANNUAL
PERFORMANCE
REPORT�,'�
D ur cc W of Mon
98 3M 3AOU43
6t7S x0E1 Od
.13AOUO3 JQ of

CITY OF CONOVER
WASTEWATER
TREATMENT ANNUAI.
PERFORMANCE
REPORT
DW -Su
EI9
13
DN. .13A0110D
6tiS xog Od
ouoj Jo /CIDD :ruoJ

tir
OFNiv�RQ
G William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
April 18, 2006
Mr. Michael Fox
City of Conover
Post Office Box 549
Conover, NC 28613-0549
Subject: PAR Review
City of Conover
NPDES Permit No. NC0024279
Catawba County, NC
Dear Mr. Fox:
Michael F. Easley, Governor
Mooresville Regional Office staff has reviewed your Pretreatment Annual Report (PAR)
for the reporting period of January through December 2005. Based on the review, it appears that
the POTW completed the PAR in accordance with guidelines set forth in Chapter 9 of the
Comprehensive Guidance for North Carolina Pretreatment Programs.
If you have any questions concerning your PAR, please do not hesitate to contact John
Lesley of this Office at [phone].
Sincerely,
1�J D. Rex Gleason, P.E.
/ Surface Water Protection Regional Supervisor
Cc: PERCS Unit — Dana Folley
Central Files
JL
AVA
NCDENR
No `Carolina
atura!!j
Mooresville Regional Office Division of Water Quality Phone [phone]
Internet: www.ncwateroualitv.org 610 East Center Ave, Suite 301 Mooresville, NC 28115 Fax [phone]
An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper
Customer Service
1-877-623-6748

0G A pt F. Easley, Governor
a - Wi%a G. Ross, Jr...Searetary
Xrnfal =sob= Cepacuceictc`Enikasra t and tiataal Resources
Alan W. Patrick, PE, Director
Dwirsioo of liAilater Quality
April 15, 2003
Mr. Michael Fox
City of Conover
Post Office Box 549
Conover, NC 28613-0549
Subject: PAR Review
City of Conover
NPDES Permit No. NC0024279
Catawba County, NC
Dear Mr. Fox:
Mooresville Regional Office staff has reviewed your Pretreatment Annual Report (PAR)
for the reporting period of January through December 2002. Based on the review, it appears that
the POTW completed the PAR in accordance with guidelines set forth in Chapter 9 of the
Comprehensive Guidance for North Carolina Pretreatment Programs.
If you have any questions concerning your PAR, please do not hesitate to contact John
Lesley of this Office at [phone].
Sincerely,
c7=z5m—e
D. Rex Gleason, P.E.
Water Quality Regional Supervisor
Cc: Deborah Gore, Pretreatment Unit - Central Office
Central Files
JL
Ihkomsale 'C ce. ct5 Pio=IM=Szeir„. Iftcrwleile. NZ 33115
PHONE gl:Kr)
-
Customer Service
F!"-
__ ^�.

Suite of North Carolina
De artment of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
Wiliam G. Ross Jr., Secretary
Alan Klimek, P.E., Director
November 21, 2002
MR. JLl1!1MY A. CLARK
PO BOX 549
CONOVER , NC 28613
NCDENR
NORTH CAROUNA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
SUBJECT: PAYMENT ACKNOWLEDGEMENT
CIVIL PENALTY ASSESSMENT
SOUTHEAST WWTP
CATAWBA COUNTY
PERMIT NO: NC0024279
LV 02-519
Dear Mr. Clark :
This letter is to acknowledge receipt of check No. 031721 in the amount of $335.45 received from
you dated November 14, 2002. This payment satisfies in full the civil assessmentlevied against
the subject facility and this case has been closed. Payment of this penalty in no way precludes future
action by this Division for additional violations of the applicable Statutes, Regulations or Permits.
If you have any questions, please call Bob Sledge at [phone].
Sincerely,
D'�,�Coleen Sullins, Chief
Water Quality Section
Cc: Enforcement File #: LV 02-519
MRO Regional Office Supervisor
Central Files
0 4 2002
1617 Mail. Service Center, Raleigh, NC 27699-1617 Telephone [phone] Fax [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/10%© post -consumer paper

Michael F. Easley. Governor
William G. Ross Jr., Secretary
'North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P. Director
Division of WaterQuality
October 23, 2002
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Mr. Rick Beasley, City Manager
City of Conover
P.O. Box 549
Conover, NC 28613-0549
SUBJECT:
Dear Mr. Beasley.:
7001 2510 0005 0288 0586
Notice of Violation and Assessment of Civil
Penalty for Violations of N.C. General Statute
143-215.1(a)(6) and NPDES Permit No. NC0024279
Conover -Southeast WWTP
Case No. LV 02-519
Catawba County
This letter transmits a Notice of Violation and assessment of civil penalty in the amount
of $335.45 ($250.00 civil penalty + $85.45 enforcement costs) against the City of Conover.
This assessment is based upon the following facts: A review has been conducted of the
discharge monitoring report (DMR) submitted by the City of Conover for the month of June
2002. This review has shown the subject facility to be in violation of the discharge limitations
found in NPDES Permit No. NC0024279. The violations are summarized in Attachment A to
this letter.
Based upon the above facts, I conclude as a matter of law that the City of Conover
violated -the terms, conditions or requirements ofNPDES Permit No. NC0024279 and North
Carolina General Statute (G.S.) 143-215.1(a)(6) in the manner and extent shown in Attachment
A. A civil penalty may be assessed in accordance with the maximums established by G.S. 143-
215.6A(a)(2).
Based upon the above findings of fact and conclusions of law, and in accordance with
authority provided by the Secretary of the Department of Environment and Natural Resources
and the Director of the Division of Water Quality, I, D. Rex Gleason, Water Quality Regional
Supervisor for the Mooresville Region, hereby make the following civil penalty assessment
against the City of Conover:
N. C. Division cf Water Quality
919 North Main Street, Mooresville NC28115 Phone (704) 6❑63-1699
FAX [phone]D4D
NCDEIsE

For / of the one (1) violation of G.S. 143-
215.1(a)(6) and NPDES Permit No. NC0024279, by
discharging waste into the waters of the State in
violation of the permit weekly average effluent limit
for Fecal Coliform.
p if)
$ 0' TOTAL CIVIL PENALTY
$ 85.45 Enforcement costs.
$ �, TOTAL AMOUNT DUE
Pursuant to G.S. 143-215.6A(c), in deteiinining the amount of the penalty I have taken
into account the Findings of Fact and Conclusions of Law and the factors set forth at G.S. 143E-
282.1(b), which are:
,c
(1) The degree and extent of harm toithe natural resources of the State, to the public
health, or to private property resulting from the violation;
(2) The duration and gravity of the violation;
(3) The effect on ground or surface water quantity or quality or on air quality;
(4) The cost of rectifying the damage;
(5) The amount of money saved by noncompliance;
(6) Whether the violation was committed willfully or intentionally;
(7) The prior record of the violator in complying or failing to comply with programs
over which the Environmental Management Commission has regulatory authority;
and
(8) The cost to the State of the enforcement procedures.
.c
Within thirty days of receipt of this notice, you must do one of the following:
1. Submit payment of the penalty:
Payment should be made directly to the order of the Department of Environment
and Natural Resources (do not include waiver form). Payment of the .penalty will
not foreclose further enforcement action for any continuing or new violation(s).
Please submit payment to the attention of:
Point Source Compliance/Enforcement Unit
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
2. Submit a written request for remission or mitigation including a detailed
justification for such request:

A request for remission or mitigation is limited to consideration of the
reasonableness of the amount of the penalty and is not the proper procedure for
contesting the accuracy of any of the statements contained in the assessment letter.
Because a remission request forecloses the option of an administrative hearing,
such a request must be accompanied by a waiver of your right to an administrative
hearing and a stipulation that there are no factual or legal issues in dispute. You
must execute and return to this office the attached waiver and stipulation form and
a detailed statement which you believe establishes whether:
(a) one or more of the civil penalty assessment factors in G.S. 143B-282.1(b)
were wrongfully applied to the detriment of the petitioner;
(b) the violator promptly abated continuing environmental damage resulting
from the violations;
(c) the violations were inadvertent or a result of an accident;
(d) the violator had been assessed civil penalties for any previous violation;
(e) payment of the civil penalty will prevent payment for the remaining
necessary remedial actions.
Please submit this information to the attention of:
Ms. Coleen Sullins
Water Quality Section Chief
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Please note that all information presented in support of a request for remission
must be submitted in writing. The Director of the Division of Water Quality will
review the information during a bimonthly enforcement conference and inform
you of his decision in the matter of the remission request. His response will
provide details regarding case status, directions for payment and provision for
further appeal of the penalty to the Environmental Management Commission's
Committee on Civil Penalty Remissions. Please be advised that the Committee
cannot consider information that was not part of the original remission request
considered by the Director and therefore, it is very important that you prepare a
complete and thorough statement in support of your request for remission.
OR
3. Submit a written request for an administrative bearing:
If you wish to contest any statement in this assessment letter, you must request an
administrative hearing. This request must be in the form of a written petition to
the Office of Administrative Hearings and must conform to Chapter 150B of the
North Carolina General Statutes. You must:

File your originalpetition with the
Office of Administrative Hearings
6714 Mail Service Center
Raleigh, North Carolina 27699-6714
and
Mail or hand -deliver a copy of the petition to
Mr. Dan Oakley, General Counsel
Department of Environment and Natural Resources
1601 Mail Service Center
Raleigh, North Carolina 27699-1601
Failure to exercise one of the options above within thirty days, as evidenced by a date
stamp (not a postmark) indicating when we received your response, will result in this matter
being referred to the Attorney General's Office with a request to initiate a civil action to collect
the penalty.
Please be advised that any continuing violation(s) may be the subject of a new
enforcement action, including an additional penalty. If you have any questions about this civil
penalty assessment, please contact the Water Quality Section staff of the Mooresville Regional
Office at 704/663-1699.
(Date)
ATTACHMENTS
D. Rex G1eson, P.E.
Water Quality Regional Supervisor
Mooresville Regional Office
Division of Water Quality
cc: Water Quality Regional Supervisor w/ attachments
Compliance/Enforcement File w/ attachments
Central Files w/ attachments

Limit Violations, June 2002
Outfall 001:
Parameter
Fecal Coliform
Attachment A
City of Conover
Southeast WWTP
NPDES Permit No. NC0024279
Case Number LV 02-519
Weekly Average Limit Violations
Reported Value Limit Units
683 * 400 #/100 ml
* denotes assessment of civil penalty.

STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT
AND NATURAL RESOURCES
COUNTY .OF Catawba
IN THE MAI"I'FR OF ASSESSMENT
CIVIL PENALTIES AGAINST
City of Conover
PERMIT NO. NC0024279
WAIVER OF RIGHT TO AN OF
ADMINISTRATIVE HEARING
AND STIPULATION OF FACTS
FILE NO. LV 02-519
Having been assessed civil penalties totaling for
violation(s) as set forth in the assessment document of the Division of Water Quality dated
, the undersigned, desiring to seek remission of the civil
penalties, does hereby waive the right to an administrative hearing in the above -stated matter and
does stipulate that the facts are as alleged in the assessment document. The undersigned further
understands that all evidence presented in support of remission of this civil penalty must be
submitted to the Director of the Division of Water Quality within 30 days of receipt of the notice
of assessment. No new evidence in support of a remission request will be allowed after 30 days
from the receipt of the notice of assessment.
This the day of , 2002
BY
ADDRESS
TELEPHONE

16
17
18
119
120
21
LINE' • -1rn
NPDES PERMIT NO. NC0024279 DISCHARGE NO. 001 MONTIi: Mav YEAR:` 2002
FACILITY NAME: CrTY OF CONOVER SE. W.W.T.
OPERATOR. IN RESPONSIBLE CHARGE (ORC)
CERTIFIED LABORATORIES: (1) N.E.
CHECK BOX 7 ORC HAS CHANGED
Mail ORIGINAL and ONE COPY to
ATTN: CENTRAL FILES
DIVISION OF WATER QUALITY
1617 MAIL. SERVICE CENTER
RALEIGH, NC 27699-1617
EFFLUENT
F. CLASS: 11 COUNTY: CATAWBA
Brian Bradshaw GRADE: IV PHONE: S2S-466-5100
'W.VJ.T.F. LAB 0304 (2) Burlington Re+carch OM (3) WatcrTcch Labs #50
PERSON(S) COLLECTING SAMPLES: Evan Rubins
x
(SIGNATURE OF OPERATOR IN RESPONSIBLE CHARGE)
BY THIS SIGNATURE. 1 CERTIFY THAT THIS REPORT IS
ACCURATE AND COMPLETE TO THE BEST OF MY KNOWLEDGE
Brian Bradshaw
(C)/ (f7 fc(;),
DATE
Operalot Anivsi
Time: 240II clock
u
E
f
o
`u S
o
o
m
6
0
O
S0050
00010 L00 00
50050
00310
00610
00530
31616
00300
00600
00665
00095
r 01067
GI147
oio -33109'2
C:.
r
W
r
t
U
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FLOW
TEMPERATURE
CELISUS
r
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n
Q 13
q ry
< Z
O O
.
TOTAL
SUSI'ENED
RESIDUE
FECAL
COLIFORM
(Ocomelrie Menu)
DISSOLVED
OXYGEN
� z
i<.
D
i-z
TOTAL
PIIOSPIIOROUS
CONDUC1 I VITY
<
z
EFF❑
INF ©
r.
a'0
HRS HRS YIN
1 1 1 700 6
Y
MGD
0.122
'C UNITS
19
hi UG/I.
MC/L
MG/L
MG/L 1:/100ML I MC/1.
5.2
MOIL
MG/I. ('MHOS
UG/L • UWL I MCA 1 MG%
2
700
8
0.125
20
6.2
160
5.1
3
700
5
B
0.133
20
141
I51
1 5 1 700
1 7 1 700
8 700
9 ' 700
10 700
111
12
13 700
1 14 700
1 15 700
700
700
8
6
8
8
B
8
8
6
8
8
Y
0.134
0.142
0.123
0.133
0.137
0.123
0.123
0.128
0.128
0.143
19
19 6.5 1 220 1 5.3 0.8
19
20 6.5 1 160
20 1
21
0.148 19
0.132 19
6.6 1150 1 8.2
0.129 19 1 6.5 1 180
0.141
0.125
0.130
700 1 8 Y 1 0.116
7001 8 Y
221 700 8
231 700 8
Y
0.132
0:122
20 1
18
18 6.6
18
200 1 5.5
1.5
5f2
6.2
10.6 1 96 1 6.1 1
6.2
5.1
1 5.3
5.4
11.2 1 14 1 5.3
<0.5 10.4 1 210
1 6.2
1 5.3
5.5
6.4
6.2
7.0
{
1 527.0 <5.0 1
1 524.0
567.0
<5.0
-r- =1:: 2
!
2.6 1 0.011 1 0.14
302
0.131
18
6.7
180
7.2 1
24 700 8 Y
0.141
1B
7.1
25
26
271
1281 700 1
29 1 700 1
30 700 1
1 31 1 700
AVERAGE
\L4.`QMl1M
8
8
8
8
0.144
0.140
H 0.135
B 1 0.147
6 1 0.184
1 B 1 0.190
B 1 0.221
1 0.139
1 0.221
0.116
Comm (CVGrah (G) 1
rMonthly Limit
20
21
6.7 1 175 4.6
21 1 6.5 1 115
22
19 IOW 171
22 6.7 1 220
I 18 1 6.2 1 115
<0.5 1 6.8
q 420
6.5
t 5.4
i 5.5 1
6.2I
1 602.0
1 1
5.9 0.6 9.8 5.9 0.0 0.00 1 555.0 0.0 3.1 10.01110.14
1110
168
8.2 1 1.5 1 11.2 1 1110 7.2 0.0 1 0.00
4.6 1 <0.5 6.8 1 14 5.1 0.0 1 0.00
G 1 G I C
6-9
1 30/45
602.0 1 <5.0 1
1 524.0 1 <5.0
3.5 10.011Io.14
2.6 10.01110.14
c c I G 1 G c CI GICICICIC
2.0 1 30/45 1 200 1 5.D

NPDES PERMIT ND. NC0024279
FACII-ITY NAME: CITY OF CONOVER SE. W.W.T.F.
OPERATOR IN RESPONSIBLE CHARGE (ORC) Brian Brads}eax
CERTIFIED LABORATORIES: (1) N.E. W.W.T.P. LAB #304
CHECK BOIL IF ORC HAS CHANGED 1 r
Mail ORIGINAL and ONE COPY to
ATI'N: CENTRAL FILES
DIVISION OF WATER QUALITY
16I7 MAIL SERVICE CENTER
1 ALEIGH. NC 27699-1617
EFFLUENT
DISCHARGE NO.
SE? D 5 2002
001 MONTH: leme YEAR: 2002
CLASS: 11 COUNTY: CATAWBA
GRADE: IV PHONE: S2g-466-SI00
(2) Burlinaten Rocarch #SS (3) Watcr Tech Labs #50
PERSON(S) COLLECTING SAMPLES:
x
Evan Rubins Brian Bradshaw
(SIGNATURE OF OPERATOR IN RESPONSIBLE CHARGE)
13Y THIS SIGNATURE, 1 CERTIFY THAT THIS REPORT IS
ACCURATE AND COMPLETE TO THE BEST OF MY KNOWLEDGE
7/a ¥/a2
DATE
Operalar Arrival
Time: 2400 clock
50050
00010
00400
3(1060
00310
1 00610
00530
31616
00300
1 00600
00665 1 00095
01067
011
0 '2
1092
" s
N
=
FLOW
`TEMPERATURE
CELISUS
RESIDUAL
jl CIILORINE
<z
TOTAL
SUSPENED
RESIDUE
FECAL
CoLI FORM
(aeomebic Mean)
DISSOLVED
OXYGEN
z
_
q
3p
U
c
nN
dc4
pI-'
TOM
P110514101
CONDUCT
m
''
z
'rE
b
c~
CCin
v./
:3
MonI.
HRS
HRS
YIN
i MGD
'C
UNITS
UG/L
MG/L
MC/L
l MGJL
k1100ML
MG/L
MG/L
MG/L
U/MHDS
UG/L
I Uay'L
MGIL
MG/L
1
0.154
2
0.115
7
13
700
8,5
Y
0.123
23
6.4
4
700
8
Y
0.125
24
6.7
320
5.5
0.66
10.4
66
5.1
27.4
3
584.0
<5
<5 J
oos3
0.11
5
700
8
Y
0.113
24
6.8
295
5.3
'----- Li
, '
.Q
r. - :. L.
r R` L
16
700
1 1.5
Y
0.114
24
1 5.7
„ :
7
700
8
Y
0.129
24
1 5.8
1
i._._.
,�,.
-
B
0.156
1
..
9
0.140
_
10I700I
8
Y
0.124
22
1
5.7
L
T
11
700
B
Y
0.144
23
6.7
235
5.2
<0.5
3.2
64
5.4
568.0
_
S=r
1 G
121
700
I 8
Y
0.143
23
1 5.6
13
700
8
Y
0.154
23
6.7
235
5.6
14
700
8
Y
0.122
23
5.0
15
1 0.112
ip-..
-:
4.... e}�I
!a., re
e
I16
0.103
171
700
8
Y
0,095
22
1 6.2
18
700
8
Y
0.135
23
6.9
195
5
<0.5
B.4
46
5.9
590.0
<5
<5
19
700
8
Y
0.119
23
5.9
20
700
8
Y
0.117
23
6.8
<100
~
5.9
21
700
8
Y
0.117
23
6.5
22
0.1'13
_
23
0.115
24
700
8.5
Y
0.117
24
_
6.3
25
700
-8
Y
0.146
24
-6.7
225
3.1
-<0.5
9.2
_46
5.
626.0
26
700
8
f Y
0.113
25
5.7
27
7001
8
Y
0.151
24
6.8
160
5.8
28
700
8
Y 1
0.137
24
5.6
129
1
0.106
301
0.093
131I
AVERAGE 1
0.125
23
1
208 I
4.7 +
0.2
1 7.8 I
56 1
5.6 1
27.4
1 3.00 I
592,0
0.0
I 0.0
0.00E3
0.11
MAXIMUM 1
0.156
25 1
6.9 1 320 I
5.5 10.66
10.4 I
68 1
6.5 1
27.4
3.00 1
626.0
<5
<5
10.00231
0.11
MINIMUM
0.093 1
22
6.7 1 <100
3.1
<0.5
1 3.2 I
46
5.0
27.4
3.00 1568.0
<5
<5
0.00031
0.11
Como (C)/Grab (G)
G
G G
C
C
C
G
G
C
C I
G
C
C I
C I
C
MonthlvLirnit
-
6-9 1 1
30/45
2.0
30/45I 200 1
5.0 1
2002

Facility Status: (Please check one of the following)
All monitoring data and sampling frequencies meet permit requirements
All monitoring data and sampling frequencies do NOT meet permit requirements
Compliant
1
Noncompliant
If the facility is noncompliant, please comment on corrective actions being taken in respect to equipment, operation. maintenance, etc..
and a time -table for improvements to be made.
$ Lt,b Q41a r7
1
j1�JQ_ &Q llU
"certify, under.penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance
with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry
of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information
submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there arc significant penalties for
submitting false information, including the possibility of finest and impris nment for knowing violations."
Permittee (Please print or type)
kio1d
earr-
• 3ox 5H1q, Conove( N.C. a�(el 3
Permittee Address
Signature of Permittee**
(Required)
( ) 5-,;:ariq
Phone Number
y= )--- 5
Permit Exp. Date
00010 Temperature
00076 Turbidity
00080 Color (Pt -Co)
00082 Color (ADMI)
00556
00600
00610
00625
00095 Conductivity 00630
00300 Dissolved Oxygen
00310 BOD5 00665
00340 COD 00720
00400 pH 00745
00530 Total Suspended 00927
Residue 00929
00545 Settleable Matter 00940
PARAMETER CODES
Oil & Grease 00951 Total Fluoride
Total Nitrogen 01002 Total Arsenic
Ammonia Nitrogen
Total Kjeldhal 01027 Cadmium
Nitrogen
Nitrates/Nitrites 01032 1-lexavalent Chromium
01034 Chromium
Total Phosphorous
Cyanide
Total Sulfide
Total Magnesium
Total Sodium
Total Chloride
01037
01042
01045
01051
01062
Total Cobalt
Copper
Iron
Lead
Molybdenum
01067
0I077
01092
01105
01147
31616
32730
34235
34481
38260
39516
50050
Nickel
Silver
Zinc
Aluminum
Total Selenium
Fecal Coliform
Total Phenolics
Benzene
Toluene
MBAS
PCBs
Flow
50060 Total
Residual
Chlorine
71880 Formaldehyde
71900 Mercury
81551 Xylene
Parameter Code assistance may obtained by calling the Point Source Compliance/Enforcement Unit at [phone] or by visiting
the Water Quality Section's web site at h20.enr.state.nc.uslwas and linking to the Unit's information pages.
Use only units designated in the reporting facility's permit for reporting data.
ORC must visit facility and document visitation of facility as required per 15A NCAC 80 .0204.
`; If signed by other than the permittee, delegation of signatory authority must be on file with the state per 15A NCAC 2B .0506 (b)
(2) (D).

A(I). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized to discharge
treated wastewater from OlJTFALL 001. Such discharges shall be limited and monitored by the Permittee as
specified below: 546.
EFFLUENT
CHARACTERISTICS
''= - EFFLUENT LIMITATIONS
-
MONITORING REQUIREMENTS
Monthly
Average
: Weekly
- Average
Daily
Maximum
Measurement
Frequency
Sample__: =°
Type
-• _ .Sample
Locationl
Flow
0.30 MGD
Continuous 1
Recording
I or E
BOD, 5-day, 20°C 2
30.0 mg/1
45.0 mg/1
Weekly
Composite
E. I
Total Suspended Residue2
30.0 mg/1
45.0 mg/I
Weekly
Composite
E. I
NH3 as N (Summer)
2.0 mg/1
Weekly
Composite
E
NH3 as N (Winter)
5.2 mg/1
Weekly
Composite
E
Total Residual Chlorine
2/Week
Grab
E
Fecal Coliform (geom. mean)
200/100m1
400/100ml
Weekly
Grab
E
Dissolved Oxygen3
Weekly
Grab
E
Temperature
Daily
Grab
E
Conductivity
Weekly
Grab
E
PH'
Weekly
Grab E
TotalNitrogen (NO2+NO3+TJ )
Quarterly
Composite 1
Total Phosphorus
Quarterly
Composite I
Nickels
135 ug/1
261 ug/1
2/Month
Composite I E
Seienium6
7.7 ug/1
2/Month
Composite E
Copper
Monthly
Composite E
Zinc
Monthly
Composite
E
Chronic Toxicity5.6
Quarterly
Composite
E
Dissolved Oxygen
•
Weekly
Grab
U. D
Fecal Coliform
Weekly
Grab
U, D
Temperature
Weekly
Grab
U. D
Conductivity
Weekly
Grab
U. D
Notes:
1. Sample locations: E- Effluent. I- Influent. U- Upstream at least 50-f et above Outfall 001, D- Downstream at
least 50-feet below Outfall 002.
2. The monthly average effluent BOD5 and TSS concentrations shall not exceed 15% of the respective influent
value (85% removal).
3. The daily effluent dissolved oxygen concentration shall not be less than 5.0 mg/1.
4. The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units.
5. Chronic Toxicity limit (Ceriodanhnia, 48% test concentration ): Jan.. Apr., Jul.. Oct.: refer to A (3). Metals
should be sampled concurrently with toxicity testing.
6. Limits become effective August 1. 2002. Until such time, monitoring at the specified frequency is required.
(Summer) = April 1- October 31
(Winter) = November 1 - March 31
There shall be no discharge of floating solids or visible foam in other than trace amounts.

Fast Track Worksheet
Case Number
Facility Name
Permit Number
Previous Case
in the Last
two years
LV
02
519
Southeast VWVfP
NC0024279
No
Statutory Maximun
per violation
Number of Assessments for previous 6 DMRs
111 0 30 03 0 0 05
1.00
$10,000
Total Assessment Factor =
1.00
Total
Number Number Penalty/ Assessment
Violations Assessed Parameter Violation Violation Factor Total Penalty
1
1
Fecal Coliform
Weekly avg/daily
max
$250
1
$250.00
•
1
Comments
Grand Total Penalty
Percent of the Maximum Penalty
Authorized by G.S. 143-215.6A.
$250.00
2.50

6L-1-`14:76
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
919 North Main Street Mooresville, North Carolina 28115
1 oa% S51 o oaa5 b>rr1 4'f�lt
CERMAIL
RETURN RECEIPT REQUESTED
Mr. Michael Fox
City of Conover
PO Box 549
Conover, North Carolina 28613
SUBJECT:
Dear Mr. Fox:
April 8, 2002
NOTICE OF VIOLATION
Whole Effluent Toxicity (WET) Testing
NPDES Permit No. NC0024279/002
City of Conover _ Southeast WWTP
Catawba County
This is to inform you that a review of your toxicity self -monitoring report form for the month of
January 2002 indicates a violation of the toxicity limitation specified in your NPDES Permit.
You should take whatever remedial actions are necessary to eliminate the conditions causing the
effluent toxicity violation(s). Your efforts may include conducting a Toxicity Reduction Evaluation
(TRE) which is a site -specific study designed to identify the causative agents of effluent toxicity, isolate
the sources of toxicity, evaluate the effectiveness of toxicity control options, and then confirm reductions
in effluent toxicity. Please beaware that North Carolina General Statutes provide for assessment of civil
penalties for violations of NPDES permit limitations and requirements.
The reverse side of this Notice contains important information concerning your Whole Effluent
Toxicity Monitoring and Reporting Requirements. Please note updated mailing addresses for submitting
your Discharge Monitoring Reports (DMRs) and Aquatic Toxicity (AT) Test Forms. We encourage you
to review this information and if it would be helpful to discuss this situation or possible solutions to
resolve effluent toxicity noncompliance, please contact Mr. John Lesley with this office at (704) 663-
1699.
Sincerely,
/'
D. Rex Gleason, P.E.
Regional Water Quality Supervisor
cc: Aquatic Toxicology Unit
Central Files

WHOLE EFFLUENT TOXICITY MONITORING AND REPORTING INFORMATION
➢ The following items are provided in an effort to assist you with identifying critical and sometimes overlooked
toxicity testing and reporting information. Please take time to review this information. The items below do not
address or include all the toxicity testing and reporting requirements contained in your NPDES permit. If
you should have any questions about your toxicity testing requirement, please contact Mr. Kevin Bowden with
the Aquatic Toxicology Unit at [phone] or another Unit representative at the same number.
➢ The permittee is responsible for ensuring that toxicity testing is conducted according to the permit requirement
and that toxicity report Forms are appropriately filed.
➢ The reporting of whole effluent toxicity testing data is a dual requirement. All toxicity test results must be
entered (with the appropriate parameter code) on your monthly Discharge Monitoring Report which is
submitted to:
North Carolina Division of Water Quality
Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
IN ADDITION
Toxicity test data (original "AT" form) must be submitted to the following address:
North Carolina Division of Water Quality
Environmental Sciences Branch
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
➢ Toxicity test results shall be filed with the Environmental Sciences Branch no Iater than 30 days after the end
of the reporting period (eg, January test result is due by the end of February).
➢ Toxicity test condition language contained in your NPDES permit may require use of multiple concentration
toxicity testing upon failure of any single quarterly toxicity test. If the initial pass/fail test fails or if the chronic
value is lower than the permit limit, then at least two multiple concentration toxicity tests (one per month) will
be conducted over the following two months. As many analyses as can be completed will be accepted. If your
NPDES permit does not require use of multiple concentration toxicity testing upon failure of any single
quarterly test, you may choose to conduct either single concentration toxicity testing or multiple concentration
toxicity testing per the Division's WET enforcement initiatives effective July 1, 1999. Follow-up multiple
concentration toxicity testing will influence the Division's enforcement response.
➢ Toxicity testing months are specified by the NPDES Permit, except for NPDES Permits which contain episodic
toxicity monitoring requirements (eg, if the testing months specified in your NPDES permit are March, June,
September, and December, then toxicity testing must be conducted during these months).
➢ If your NPDES Permit specifies episodic monitoring and your facility does not have a discharge from January 1-
June 30, then you must provide written notification to the Environmental Sciences Branch by June 30 that a
discharge did not occur during the first six months of the calendar year.
➢ If you receive notification from your contract laboratory that a test was invalidated, you should immediately
notify the Environmental Sciences Branch at [phone] and provide written documentation indicating why
the test was invalidated and the date when follow-up testing will occur.
➢ If your facility is required to conduct toxicity testing during a month in which no discharge occurs, you should
complete the information block located at the top of the AT form indicating the facility name, permit number,
pipe number, county and the month/year of the subject report. You should also write "No Flow" on the AT
form, sign the form and submit following normal procedures.
➢ The Aquatic Toxicity Test forms shall be signed by the facility's Operator in Responsible Charge (ORC) except
for facilities which have not received a facility classification. In these cases, a duly authorized facility
representative must sign the AT form. The AT form must also be signed by the performing lab supervisor.
To determine if your AT test forms were received on time by the Division of Water Quality, you may consider
submitting your toxicity test results certified mail, return receipt requested to the Environmental Sciences
Branch.

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Ross Jr., Secretary
Gregory J. Thorpe, Ph.D., Acting Director
November 30, 2001
RICK BEASLEY, CITY MANAGER
CITY OF CONOVER
POST O1,1.10E BOX 549
CONOVER, NC 28613
A7A
NCDE V1RONgF!!T
NORTH CAROLINA DEPAi'9N,>.'�
ENVIRONMENT AND NATURAL RES.bU CES'"
DEC 0 6 2001
E.
Subject: Permit No. WQ0020585 " ' -
City of Conover
Conover Commerce Center
Wastewater Collection System Extension
Catawba County
Dear Mr. Beasley:
In accordance with your application received October 12, 2001, and additional information received
November 19, 2001, we are forwarding herewith Permit No. WQ0020585, dated November 30, 2001, to the City
of Conover for the construction and operation of the subject wastewater collection system extension. This permit
shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as
specified therein. This cover Ietter shall be considered a part of this permit and is therefore incorporated therein
by reference.
Please pay particular attention to Permit Condition 3 which requires that the wastewater collection
facilities be properly operated and maintained in accordance with 15A NCAC 2H .0227 or any individual system-
wide collection system permit issued to the Permittee.
Permitting of this project does not constitute an acceptance of any part of the project that does not meet
15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria
adopted February 12, 1996 as applicable; and the Division's Minimum Design Criteria for the Fast -Track
Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable, unless specifically mentioned
herein. Division approval is based on acceptance of the certification provided by a North Carolina -Licensed
Professional Engineer in the application. It shall be the Permittee's responsibility to ensure that the as -constructed
project meets the appropriate design criteria and rules. Failure to comply may result in penalties in accordance
with North Carolina General Statute § 143-215.6A through § 143-215.6C, construction of additional or
replacement wastewater collection facilities, and/or referral of the North Carolina -licensed Professional Engineer
to the Iicensing board.
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to the City of Conover
for the construction and operation of approximately 357 Iinear feet of 8-inch gravity sewer to serve 60 employees
as part of the Conover Commerce Center project, and the discharge of 1,500 gallons per day of collected domestic
wastewater into the City of Conover's existing sewerage system, pursuant to the application received October 12,
2001 and in conformity with 15A NCAC 2H .0200; the Division's Gravity Sewer Minimum Design Criteria
adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast -Track Permitting
of Pump Stations and Force Mains adopted June I, 2000 as applicable; and other supporting data subsequently
filed and approved by the Department of Environment and Natural Resources and considered a part of this permit.
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

The sewage and wastewater collected by this system shall be treated in the City of Conover Wastewater
Treatment Facility (Permit No. NC0024279) prior to being discharged into the receiving stream.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request
must be in the form of a written petition, conforming to Chapter 150B of North Carolina. General Statutes, and
filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless
such demands are made, this permit shall be final and binding.
If you need additional information concerning this matter, please contact Kristin E. Mi.gtez at
[phone] extension 524.
Sincerely,
Gregory J. Thorpe, Ph.D.
cc: Catawba County Health Department
Mooresville Regional Office, Water Quality Section (WWTF Permit No. NC0024279)
Atriax, PLLC

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT
This permit shall be effective from the date of issuance until rescinded and shall be subject to the following
specified conditions and limitations:
1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance
with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity
Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable;
and other supporting materials unless specifically mentioned herein.
2. This permit shall be effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
3. The wastewater collection facilities shall be properly maintained and operated at all times. The Permittee
shall maintain compliance with an individual system -wide collection system permit for the operation and
maintenance of these facilities as required by 15A NCAC 2H .0227. If an individual permit is not required,
the following performance criteria shall be met as provided in 15A NCAC 2H .0227:
a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to land
or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L .0200 or the
surface water standards in 15A NCAC 2B .0200.
b. A map of the sewer system shall be developed prior to January 1, 2004 and shall be actively
maintained.
r
c. An operation and maintenance plan shall be developed and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected at least three times per
week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A
NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day.
Pump stations that are connected to a telemetry system shall be inspected at least once per week.
e. High -priority sewer lines shall be inspected at least once per every six-month period of time.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Inspection and maintenance records shall be maintained for a period of at least three years.
h. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance with
15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General
Statute §143-215.1C.
4. This permit shall not be transferable. In the event there is a desire for the wastewater collection facilities
to change ownership, or there is a name change of the Permittee, a formal permit request shall be submitted
to the Division accompanied by documentation from the parties involved, and other supporting materials as
may be appropriate. The approval of this request shall be considered on its merits and may or may not be
approved.
1

5. Construction of the gravity sewers, pump stations, and force mains shall be scheduled so as not to interrupt
service by the existing utilities nor result in an overflow or bypass discharge of wastewater to the surface
waters of the State.
6. Upon completion of construction and prior to operation of these permitted facilities, a certification, a copy of
the construction record drawings, as well as supporting design calculations for any pump stations permitted
as part of this project shall be received from a North Carolina -licensed Professional Engineer certifying that
the facilities have been installed in accordance with this permit; 15A NCAC 2H .0200; the Division's
Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Permitting of Pump Station and Force Main adopted June 1, 2000 as applicable;
and other supporting materials. If this project is to be completed in phases and partially certified, you shall
retain the responsibility to track further construction approved under the same permit, and shall provide a
final certificate of completion once the entire project has been completed. A copy of the construction record
drawings, indicating the facilities constructed in the phase being certified, shall be submitted with each
partial certification. Mail the Engineer's Certification, one copy of the "Construction Record Drawings",
and one copy of the supporting design calculations to the Non -Discharge Permitting Unit, 1617 Mail Service
Center, Raleigh, NC 27699-1617.
7. A copy of the construction record drawings shall be maintained on file by the Permittee for the life of the
wastewater collection facilities.
8. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2H .0200; the
Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the. Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Station and Force Mains adopted June 1, 2000 as
applicable; and other supporting materials may subject the Permittee to an enforcement action by the
Division, in accordance with North Carolina General Statutes § 143-215.6A through §143-215.6C.
9. In the event that the wastewater collection facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required
by this Division, such as the construction of additional or replacement facilities.
10. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes, rules,
regulations, or ordinances that may be imposed by other government agencies (local, state and`federal) which
have jurisdiction, including but not limited to applicable river buffer rules in 15A NCAC 2B .0200, erosion
and sedimentation control requirements in 15A NCAC C,h. 4 and under the Division's General Permit
NCG0100000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 15A NCAC 2H
.0500.
11. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, telephone number (704) 663-
1699, as soon as possible, but in no case more than 24 hours or on the next working day, following the
occurrence or first knowledge of the occurrence of either of the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable of
adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or
' breakage, etc.; or
b. Any failure of a pumping station or sewer line resulting in a by-pass directly to receiving waters without
treatment of all or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a written report in letter form within five days
following first knowledge of the occurrence. This report must outline the actions taker or proposed to be
taken to ensure that the problem does not recur.
2

Permit issued this the thirtieth day of November, 2001
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Verim-W,t, F _Le)
ii)%
Gregory J. Thorpe, Ph.D.,
Division of Water Quality
g
ector
By Authority of the Environmental Management Commission
Permit Number WQ0020585

Permit No. WQ0020585
November 30, 2001
ENGINEER'S CERTIFICATION
Partial Final
I, , as a duly registered Professional Engineer in the State of North Carolina,
having been authorized to observe (periodically, weekly, full time) the construction of the
project, , for the
Project Name Location and County
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the
construction such that the construction was observed to be built within substantial compliance of this permit; 15A
NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted
February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast -Track Permitting of Pump
Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting materials.
North. Carolina Professional Engineer's seal, signature, and date:
The above Engineer's Certification shall be completed and submitted to the address below with one copy of the
"Construction Record Drawings" of the wastewater collection system extension as well as supporting design
calculations for any pump stations permitted as part of this project. This project shall not be considered complete
nor allowed to operate until this Engineer's Certification and all required supporting documentation have been
received by the Division. Any wastewater flow made tributary to the wastewater collection system extension
prior to completion of this Engineer's Certification shall be considered a violation of the permit and shall subject
the Permittee to appropriate enforcement actions.
NORTH CAROLINA DIVISION OF WATER QUALITY
WATER QUALITY SECTION
NON -DISCHARGE PERMITTING UNIT
1617 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1617
4

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
William G. Floss Jr., Secretary
Gregory J. Thorpe, Ph.D., Acting Direct�p.J (NORTH CAROLINA DEPARTMENT OF
;� i��� ���TIOrVIRONMENT AND NATURAL RESOURCES
J�
NC DEPT. Or ENVIIRO�ii° EUT
a AP1D NATURAL RESOURCES
MOORESVILLE REGIONAL. OFFICE
NOV 2 6 2001
RICHARD TAN HO, OWNER
1732 HWY 70 SOUTHWEST
HICKORY, NC 28602
Dear Mr. Ho:
November 16, 2001
ICDENR
Subject: Permit No. WQ0020530
Richard Tan Ho
NC Square
Wastewater Collection System Extension
Catawba County
In accordance with your application received September 26, 2001, we are forwarding herewith Permit No.
WQ0020530, dated November 16, 2001, to Richard Tan Ho for the construction and operation of the subject
wastewater collection system extension. This permit shall be effective from the date of issuance until rescinded
and shall be subject to the conditions and Iimitations as specified therein. This cover letter shall be considered a
part of this permit and is therefore incorporated therein by reference.
Please pay particular attention to Permit Condition 3 which requires that the wastewater collection
facilities be properly operated and maintained in accordance with 15A NCAC 2H .0227 or any individual system-
wide collection system permit issued to the Permittee.
Permitting of this project does not constitute an acceptance of any part of the project that does not meet
15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria
adopted February 12, 1996 as applicable; and the Division's Minimum Design Criteria for the Fast -Track
Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable, unless specifically mentioned
herein. Division approval is based on acceptance of the certification provided by a North Carolina -licensed
Professional Engineer in the application. It shall be the Permittee's responsibility to ensure that the as -constructed
project meets the appropriate design criteria and rules. Failure to comply may result in penalties in accordance
with North Carolina General Statute § 143-215.6A through § 143-215.6C, construction of additional or
replacement wastewater collection facilities, and/or referral of the North Carolina -licensed Professional Engineer
to the licensing board.
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to Richard Tan Ho for
the construction and operation of approximately 86 Iinear feet of 6-inch gravity sewer to serve a commercial
facility (beauty shop and office space) as part of the NC Square project, and the discharge of 1,250 gallons per
day of collected domestic wastewater into the City of Conover's existing sewerage system, pursuant to the
application received September 26, 2001 and in conformity with 15A NCAC 2H .0200; the Division's Gravity
Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Pennitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and
other supporting data subsequently filed and approved by the Department of Environment and Natural Resources
and considered a part of this permit.
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

The sewage and wastewater collected by this system shall be treated in the City of C an +ver Wastewater
Treatment Facility (Permit No. NC0024279) prior to being discharged into the receiving stream.
This permit shall become voidable unless the agreement between Richard Tan. Ho and the City of
Conover for the collection and final treatment of wastewater is in full force and effect.
If any parts, requirements, itat.ions contained in this permit are unacceptable, you have the right to
request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request
must be in the form of a written petition, conforming to Chapter 150B of North Carolina General Statutes, and
filed with the Office of Administrative Hearings, 67:14 Mail Service Center, Raleigh, NC 27699-6714. Unless
such demands are made, this permit shall be final and binding.
If you need additional information concerning this matter, please contact Kristin E. P+4iguez at
[phone] extension 524.
Sincerely,
egory, J. Thorpe, Ph.D.
cc: Catawba County Health Department
fl tail llte,"Water Quality Section (WWTF Permit No. '.NC0024279)
George Brown. PE
City of Conover (PO Box 549, Conover, NC 28613)

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT
This permit shall be effective from the date of issuance until rescinded and shall be subject to the following
specified conditions and limitations:
1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance
with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity
Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable;
and other supporting materials unless specifically mentioned herein.
2. This permit shall be effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
3. The wastewater collection facilities shall be properly maintained and operated at all times. The Permittee
shall maintain compliance with an individual system -wide collection system permit for the operation and
maintenance of these facilities as required by 15A NCAC 2H .0227. If an individual permit is not required,
the following performance criteria shall be met as provided in 15A NCAC 2H .0227:
a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to Iand
or surface waters, and any contravention of the groundwater standards in I5A NCAC 2L .0200 or the
surface water standards in 15A NCAC 2B'.0200.
b. A map of the sewer system shall be developed prior to January 1, 2004 and shall be actively
maintained.
c. An operation and maintenance plan shall be developed and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected at least three times per
week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A
NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day.
Pump stations that are connected to a telemetry system shall be inspected at Ieast once per week.
e. High -priority sewer lines shall be inspected at least once per every six-month period of time.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Inspection and maintenance records shall be maintained for a period of at least three years.
h. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance with
. 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General.
Statute § 143-215. I C.
4. This permit shall not be transferable. In the event there is a desire for the wastewater collection facilities
to change ownership, or there is a name change of the Permittee, a formal permit request shall be submitted
to the Division accompanied by documentation from the parties involved, and other supporting materials as
may be appropriate. The approval of this request shall be considered on its merits and may or may not be
approved.
1

5. Construction of the gravity sewers shall be scheduled so as not to interrupt service by the existing utilities
nor result in an overflow or bypass discharge of wastewater to the surface waters of the State.
6. Upon completion of construction and prior to operation of these permitted facilities, a certification, a copy of
the construction record drawings, as well as supporting design calculations for any pump stations permitted
as part of this project shall be received from a North Carolina -licensed Professional Engineer certifying that
the facilities have been installed in accordance with this permit; 15A NCAC 2H .0200; the Division's
Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Permitting of Pump Station and Force Main adopted June 1, 2000 as applicable;
and other supporting materials. If this project is to be completed in phases and partially certified, you shall
retain the responsibility to track further construction approved under the same permit, and shall provide a
final certificate of completion once the entire project has been completed. A copy of the construction record
drawings, indicating the facilities constructed in the phase being certified, shall be submitted with each
partial certification. Mail the Engineer's Certification, one copy of the "Construction Record Drawings",
and one copy of the supporting design calculations to. the Non -Discharge Permitting Unit, 1617 Mail Service
Center, Raleigh, NC 27699-1617.
7. A copy of the construction record drawings shall be maintained on file by the Permittee for the life of the
wastewater collection facilities.
8. Failure to abide by the conditions and limitations contained in this permit; 15A NCAC 2H .0200; the
Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Station and ,Force Mains adopted June 1, 2000 as
applicable; and other supporting materials may subject the Permittee to an enforcement action by the
Division, in accordance with North Carolina General Statutes §143-215.6A through §143-215.6C.
9. In the event that the wastewater collection facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required
by this Division, such as the construction of additional or replacement facilities.
10. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes, rules,
regulations, or ordinances that may be imposed by other government agencies (local, state and federal) which
have jurisdiction, including but not limited to applicable river buffer rules in 15A NCAC 2B .0200, erosion
and sedimentation control requirements in 15A NCAC Ch. 4 and under the Division's General Permit
NCG0100000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 15A NCAC 2H
.0500.
11. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, telephone number (704) 336-
1699, as soon as possible, but in no case more than 24 hours or on the next working day, following the
occurrence or first knowledge of the occurrence of either of the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable of
adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or
breakage, etc.; or
b. Any failure of a pumping station or sewer Iine resulting in a by-pass directly to receiving waters without
treatment of all or any portion of the influent to such station or facility.
Persons reporting such occurrences by telephone shall also file a written report in letter form within five days
following first knowledge of the occurrence. This report must outline the actions taken or proposed to be
taken to ensure that the problem does not recur.

Permit issued this the sixteenth day of November, 2001
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
J. Thorpe, Ph.D., Acts g Di �e for
*IGregory
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0020530

Permit No. WQ0020530
November 16, 2001
•
ENGINEER'S CERTIFICATION
Partial Final
I, , as a duly registered Professional Engineer in the State of North Carolina,
having been authorized to observe (periodically, weekly, full time) the construction of the
project, for the
Project Name Location and County
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the
construction such that the construction was observed to be built within substantial compliance of this permit; 15A
NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted
February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast -Track Permitting of Pump
Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting materials.
North Carolina Professional Engineer's seal, signature, and date:
The above Engineer's Certification shall be completed and submitted to the address below with one copy of the
"Construction Record Drawings" of the wastewater collection system extension as well as supporting design
calculations for any pump stations permitted as part of this project. This project shall not be considered complete
nor allowed to operate until this Engineer's Certification and all required supporting documentation have been
received by the Division. Any wastewater flow made tributary to the wastewater collection system extension
prior to completion of this Engineer's Certification shall be considered a violation of the permit and shall subject
the Permittee to appropriate enforcement actions.
NORTH CAROLINA DIVISION OF WATER QUALITY
WATER QUALITY SECTION
NON -DISCHARGE PERMITTING UNIT
1617 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1617
4

CITY OF CONOVER
P.Q. BOX 549
CONOVER, NC 28613-0549
September 19, 2001
Mr. Rex Gleason
North Carolina
Division of Water Quality
919 North Main Street
Mooresville, NC 28].15
Dear Mr. Gleason..
PUBLIC WORKS DEPARTMENT
Phow 08
AND NA N WR ON
MOORE
5 FP 2 1 2001
Enclosed is a Wastewater Yearly Performance Summary
for the City of Conover.
If you have any questions, comments, or need any
additional information you may contact me at (828) 465-
2279.
Sincerely,
Michael Fox
City of Conover

CITY OF CONOVER
WASTEWATER
TREATMENT ANNUAL
PERFORMANCE
REPORT
U1
E 98 JC\I 0AOUo J
6tS xog Cad
� , oUoJ Jo I L J :wo.1i

Performance (continued)
Southeast wastewater Treatment Plant: The Southeast Wastewater Treatment Plant experienced no violations during
2000-2001. Below is a summary of the Southeast Treatment Plant limits and the monthly averages for 2000-2001.
Discharge 001
Discharge Analysis
Influent Pollutant Levels
Removal Effiencies
vIG/L
Fecal
MG/L
Date
Flow (mgd)
BOD
NH3
TSS
Coliform
BOD
NH3
TSS
BOD
NH3
TSS
7/00
0.113
2.2
0.0
7.5
14
228.6
31.0
242
99
100
97
8/00
0.123
0.8
0.0
7.2
48
286
34.8
282
100
100
97
9/00
0.136
1.6
0.3
7.4
34
240.8
30.6
263.5
99
99
97
10/00
0.106
2.0
0.0
8.2
16
232
36.0
206
99
100
96
11/00
0.104
3.4
0.0
11.0
9
371.5
35.4
248.3
99
100
96
12/00
0.066
3.7
0.0
17.7
6
273.8
34.2
262.2
99
100
93
1/01
0.117
6.8
1.6
18.1
9
265.2
43.8
240.5
97
96
92
2/01
0.135
7.2
0.0
17.7
11
239.8
22.2
281.5
97
100
94
3/01
0.154
4.5
0.3
9.6
2
252.9
33.4
172
98
99
94
4/01
0.122
10.0
0.5
14.6
3
232
170
96
91
5/01
0.121
14.3
0.7
18.4
28
298
15.7
210
95
96
91
6101
0.118
10.8
0.4
13.3
62
292.5
16.5
178
96
98
93
2000-2001 0.174
5.6
0.3
12.6
20.1
267.8
30.3
229.7
98
99
94
YearlyAverage
200 colonies/100
NPDES 0.300
30
5.2
30
Winter
85
85
Limits
30
2
30
Summer
Discharge 002
Discharge Analysis Influent Pollutant Levels
Removal Effiencies
MG/L
Date
Flow (mgd)
BOD NH3
TSS
Fecal
Coliform
MG/L
BOD
NH3
TSS
BOD
NH3
TSS
7/00
8/00
9/00
10/00
11/00
12/00
1/01
2/01
3/01
4/01
5/01
6101
0.154
0.188
0.186
0.142
0.166
0.166
0.17
0.182
0.229
0.156
0.17
0.156
2000-2001 0.172
YearlyAverage
NPDES 0.300
Limits
3.3
3.2
0.0
2.5
2.7
2.9
4.3
5.9
4.5
2.8
4.7
6.7
3.6 1
30
0.0
0.0
0.2
0.6
0.2
0.5
0.8
1.0
1.4
0.9
0.9
1
0.6
5.2
3.2
6.5
0.5
2.0
2.7
4.1
5.4
4.2
4.2
5.7
4.3
3.1
3.8
30
1
4
2
1
5
2
2
1
1
1
2
10
2.7
200 colonies/100m1
Winter
30
2
30
Summer
228.6
286
240.8
232
371.5
273.8
265.2
239.8
252.9
232
298
292.5
267.8
31.0
34.8
30.6
36.0
35.4
34.2
43.8
22.2
33.4
15.7
16.5
30.3
Any questions concerning this reportplease call Michael Fox at 465-2279.
242
282
263.5
206
248.3
262.2
240.5
281.5
172
170
210
178
229.7
99
99
100
99
99
99
98
98
98
99
98
98
99
85
100
100
98
100
98
100
98
97
97
100
98
100
99
99
99
99
98
98
98
98
98
98
98
98
99
98
85

NCDENR / DWQ
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
'City of Conover
NPDES No. NC0024279
Facility Information
',--
(1.) Facility Name:
Conover SE WWTP
(2.) Permitted Flow,MGD:
0.3 MGD- 001
0.3 MGD-'002
(6.) County:
Catawba
(3.) Facility Class:
11
(7.) Regional Office:
Mooresville
(4.),Facility Status:
Existing
_Newton
(8.) USGS Topo.Quad:
E14NW •
(5.).Permit Status:
Renewal
.
' . -.-:_:-,,,-4-:•"-
• _ - ....5,r,__';:c t"' '
_
z.,.' ,,• "r,i.,t-- ,eaM.,CjiaraCteristics
',"•:-A- itItt7 %v. --.347--% 1*-- , . • - -.• - , _ `-.. ':::•':-.,i,,,-,:;:-. Z-s..:4,-:,-5-N,144-1,,,:9=g•,. • .1
(1.) Receiving Stream:
McLin Creek
(2.) Subbasin:
030832
(S.) Drainage Area (mi2):
2.40
(3.) Index No.:
11-76-5-(0.3)
(9.) Summer 7910 (cfs)
0.5
(4.) Stream Class:
C
(10.) Winter 7910 (cfs):
1
(5.) 303(d) Listed:
NO
(11.) 30g2 (cfs):
1.1
(6.) 305(b) Status:
(12.) Average Flow (cfs):
2.80
(7.) Use Support:
(13.) IWC (%):
48u/o- 0.3 MGD
65%- 0.6 MGD
Conditions Incorporated into Permit Renewal
ProposetpCOndi_ticMS - i
_ - Parameters Affected
Basis for `:CiiiiditiPigt).
-..
Acid limit and 2/Month
monitoring.
Nickel- Gull -ails 001&002
. -
Based on RPA using 1998 STMP
data. Allowable eff. conc. = 135
ug/1; Max predicted eff conc.=
176 ug/1: Max reported eff. conc.
= 31 ug/1.
Add limit and 2/Month
monitoring.
Selenium- Outfalls 001&002
•
Based on RPA using 1998 STMP
data. Allowable eff. conc. = 7.6
ug/1; Max predicted eff conc.= 57
ug/1; Max reported eff. conc. =
8.6 ug/1.
Add Monthly monitoring
•
Copper- Outfalls 001&002
Based on RPA using 1998 STMP
data. Allowable eff. conc. = 10.7
ug/1; Max predicted eff conc.= 28
ug/1; Max reported eff. conc. =
10 ug/I. Apply Action Level
Policy.

NPDES PERMIT FACT SHEET
Page 2
City of Conover
NPDES No. NC0024279
Add Monthly monitoring
Zinc- Outfalls 001&002
Based on RPA using 1998 STMP
data. Allowable eff. conc. = 76
ug/I: Max predicted elf conc.=
114 ug/l: Max reported elf. conc.
= 88 ug/I. Apply Action Level
Policy.
Add quarterly chronic toxicity
test at IWC = 48% for each
outfall.
Effluent Quarterly Chronic
Toxicity Test- Outfalls 001 & 002
Based on effluent metal
concentrations and SIU. .
discharge is considered complex
wastestream.
Change permit expiration dale to
4/30/05.
Expiration Date
Per Basin Renewal Schedule.
PROJECT NOTES
Summary
• This is a permit renewal for an existing municipal POTW with 2 outfalls - 001 (0.3 MGD)
and 002 (0.3 MGD). The outfall pipes are located within a few hundred feet of each other.
• Facility has a modified pretreatment program with a Short Term Monitoring Plan (monitors
4 consecutive workdays every 5 years). There is one SIU (Sinter Metals), which averages
0.00005 MGD_ This SIU produces pressed metal parts and uses aluminum. iron and
copper powdered metal. The total permitted industrial flow from all industrial sources is
0.002 MGD (0.33% of total permitted flow). Domestic flow (99.66% of design flow) serves a
population of 1500_ Sludge is disposed at the Hickory Regional Compost Facility.
• Facility discharges via Outfalls 001 and 002 to McLin Creek, which flows to Lyle
Creek>Lake Norman. Per the Catawba Basin Plan (1999) there are no impaired waters in
this subbasin (030832). McLin Creek is part of the Lyle Creek Watershed Management
Strategy, which states that all new and expanding facilities receive BOD limits of 8 mg/1
and NH3 limits of 2 mg/1 to hold the load of oxygen -consuming wastes constant. This
approach has been used since 1988; refer to Catawba Basin Plan (1999).
-• Biological data show a Good rating for McLin Creek at SR1722, and a Good rating at Lyle
Creek; refer to Catawba Basin Plan (1999).
• Facility notes that within the next 5 years the DOT plans to install a 5-lane highway
through the WWTP. Facility will change but exact plans are incomplete.
Permit History and Development
• Secondary limits for BOD for both outfalls were assigned in 1988, based on model run for
combined outfalls showing no predicted DO problems in mainstem.
• Facility chose weekly ammonia limits rather than quarterly chronic tox test in 1995.
• Permit was modified in 1997 to change instream monitoring stations.
• Based on reasonable potential analysis. limits and 2/Month monitoring for nickel and
selenium at Outfalls 001 and 002 was added. The RPA treated the facility as a single
outfall (Qd= 0.6 MGD) and combined the metals dataset_
• Based on reasonable potential analysis and Action Level Policy, monthly monitoring for
copper and zinc at Outfalls 001 and 002 was added. The RPA treated the facility as a single
outfall (Qd= 0.6 MGD) and combined the metals dataset.
• Based on effluent metal data and presence of SIU with metal discharge, add quarterly
chronic tox test limit to each outfall. Aquatic Toxicology Unit (Matt Mathews, Kevin
Bowden) concur with addition of tox test limit.
• Water Quality Limited Parameters: ammonia, nickel, selenium. DO.
DMR Data.
• Effluent Data (001). Based on the 2000 calendar year, no limits violations were noted.
Monthly average values ranged from: 0.08-0.13 MGD (flow); 0.8-4.6 mg/1 (BOD);<0.5 mg/1
(NH3); 7-17 mg/1 (TSS); 2-48 (fecals). TN values ranged from 2-28 mg/1, while TP ranged
from 1-3 mg/1. Max TRC concentrations reported each month ranged from 330 to 6000
Page 2
Version: February 16, 2001

NPDES PERMIT FACT SHEET
Page 3
City of Conover
NPDES No. NC0024279
ug/1, compared to an allowable effluent conc. of 35 ug/1 (for single outfall); mention in cover
letter that•chlorination should be optimized to prevent excessive TRC levels in effluent.
• Effluent Data (002). Based on the 2000 calendar year, no limits violations were noted.
Monthly average values.ranged from: 0.14-0.25 MGD (flow); <2-3.7 mg/1 (BOD);<0.5-0.9
mg/1 (NH3); 0.5-5 mg/1 (TSS); 1-6 (fecals). TN values ranged from 1-6 mg/1, while TP
ranged from 1-2 mg/1. Max TRC concentrations reported each month ranged from 310 .to
1290 ug/1, compared to anallowable effluent conc. of 35 ug/l (for single outfall); mention in
cover letter that chlorination should be optimized to prevent excessive TRC levels in
effluent.
• Instream Data. Based on 2000 calendar year, no instream DO problems were evident at
the downstream station. The minimum downstream DO reported was 7.2 mg/1 in August
2000. The facility exhibited no impact on instream fecal levels; generally concentrations
were higher at the upstream station. The facility has exhibited an increase in conductivity
at the downstream station, with downstream stations generally 200-300 umho/cm higher
than upstream values.
Mooresville Region Data.
• Last staff report prepared 2/95.
• A Compliance Evaluation Inspection was conducted 10/10/00. All treatment units
appeared' to be operating properly. The process control programconsisted of: DO, temp.,
MISS, MLVSS, settleable solids, alkalinity, 'sludge level, and microscopic exams. The
facility is staffed with a Grade IV operator. The effluent discharge from Outfalls 001/002
were clear with no floatable solids or foam, and the receiving stream did not appear to be
negatively impacted.
• A sewer collection system inspection conducted 4/19/00 found the system was generally
operated properly and maintained.
Page 3
Version: February 15, 2001

NPDES PERMIT FACT SHEET City of Conover
Page 4
Proposed Schedule for Permit Issuance
Draft Permit to Public Notice:
Permit Scheduled to Issue:
State Contact
2/28/01
4/13/01
NPDES No. NC0024279
If you have any questions on any of the above information or on the attached
permit, please contact Tom Belnick at [phone], extension 543.
Copies of the following are attached to provide further information on the permit
development:
• Reasonable Potential Analysis (majors only)
• Draft Permit
NPDES Recommendation by:
Regional Office Comments
/ VV `; W
c5/2Z//
V Xe-
2// 5-/C1 I
_Date
Regional Recommendation
Reviewed and accepted by:
Regional.:Supervisar:
P. /2L ,
Signature
�7/A /
Date
Signature
Date
NPDES Unit. Supervisor:
Page 4
Version: February 15, 2001

RPA
-
REASONABLE POTENTIAL ANALYSIS
Prepared by: Tom Belnick 2/13/01
Facility Name =
NPDES # =
Ow (MGD) =
Ow (cfs)
701 0s (cfs)-
IWC (%) =
Conover SE
NC0024279
0.6
0.92832
0.5
65.03
001+002
L
Parameter
Chronic CCC w/s7010 dil. Acute CMC w/no dil.
FINAL RESULTS, ugll FINAL RESULTS, ugll
Frequency of Detection
#Samples # Detects
Decision
Arsenic
Max. Pred Cw
Allowable Cw
Cadmium
Max. Pred Cw
Allowable Cw
Chromium
Max. Pred Cw
Allowable Cw
Lead
Max. Pred Cw
Allowable Cw
Copper (A.L.) _
Max.-Pred-Cw
Aliow_able Cw
Nickel
r
I_
Wax.
. Pred Cw
Allowable Cw
Silver (A-L_)
Max. Pred Cw
Allowable Cw
Zinc (A.L.)
Max. Pred Cw
Allowable Cw
Cyanide
Max. Pred Cw
Allowable Cw
Mercury
Max. Pred Cw
w Allowable Cw
Molybdenum
Max. Pred Cw
Allowable Cw
Selenium
Max. Pred Cw
Allowable Cw
Fluoride
Max. Pred Cw
Allowable Cw
Chloride(A.L.)
Max. Pred Cw
Allowable Cw
0.0
76.9
2.5
3.1
-.._49.0
76.9
5.9
38.4
0.0
0.1
41.9
7.7
0.0
0.018
19.4
•NA
0.0
2767.7
0.0
353655.9
360
15
1022
34
7.3
261
1.2
67
22
NA
NA
20
NA
860,000
8 0
8 8
8 7
. 7
8 5
5
0 0
5 2
8 0
8 5
8 5
0 0
0 0
or11 tU,
Lair ,-- 2/r(
lion, 7r81r-�
bow!
Valves < 10
0 "41)
'41,141,
L1mrr` /(1
r -
.
Modifiecsbata: Use 0.5 Detection Limit for non -detects

State of North Carolina
Department of Environment
and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
Sherri Evans -Stanton, Acting Secretary
Kerr T. Stevens, Director
January 22, 2001
LLOYD B. BEASLEY, JR., CITY MANAGER
CITY OF CONOVER
POST OFFICE BOX 549
CONOVER, NC 28613
Subject:
Dear Mr. Beasley:
77A
NCDENR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
N OPT. CP
griVIRONM1R NT, HEALTra,
'r NATURAL RESOURCES
FF'8 2001
Permit Nq;;QO,C ; O. =MET
City of ConomMill[E RE 41li i Gt'WE
Tamp Road CDBG Project
Wastewater Collection System Extension
Catawba County
In accordance with your application received November 30, 2000, we are forwarding herewith Permit
No. WQ0019368, dated January 22, 2001, to the City of Conover for the construction and operation of the
subject wastewater collection system extension. This permit shall be effective from the date of issuance until
rescinded and shall be subject to the conditions and limitations as specified therein. This cover letter shall be
considered a part of this permit and is therefore incorporated therein by reference.
Please pay particular attention to Permit Condition 3 which requires that the wastewater collection
facilities be properly operated and maintained in accordance with 15A NCAC 2H .0227 or any individual
system -wide collection system permit issued to the Permittee.
Permitting of this project does not constitute an acceptance of any part of the project that does not meet
15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria
adopted February 12, 1996 as applicable; and the Division's Minimum Design Criteria for the Fast -Track
Permitting of Pump Stations and Force Mains adopted June I, 2000 as applicable, unless specifically mentioned
herein. Division approval is based on acceptance of the certification provided by a North Carolina -licensed
Professional Engineer in the application. It shall be the Permittee's responsibility to ensure that the as -
constructed project meets the appropriate design criteria and rules. Failure to comply may result in penalties in
accordance with North Carolina General Statute §143-215.6A through §143-215.6C, construction of additional or
replacement wastewater collection facilities, and/or referral of the North Carolina -licensed Professional Engineer
to the licensing board.
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as
amended, and other applicable Laws, Rules, and Regulations, permission is hereby granted to City of Conover
for the construction and operation of approximately 3,687 linear feet of 8-inch gravity sewer to serve 15 three -
bedroom residences as part of the Tamp Road CDBG Project, and the discharge of 5,400 gallons per day of
collected domestic wastewater into the City of Conover's existing sewerage system, pursuant to the application
received November 30, 2000, and in conformity with 15A NCAC 2H .0200; the Division's Gravity Sewer
Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for
the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other
supporting data subsequently filed and approved by the Department of Environment and Natural Resources and
considered a part of this permit.
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

The sewage and wastewater collected by this system shall be treated in the City of Conover Wastewater
Treatment Facility (NPDES Permit No. NC0024279) prior to being discharged into the receiving stream.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to
request an atudicatory hearing upon written request within 30 days following receipt of this permit. This
request must be in the form of a written petition, conforming to Chapter 150B of North Carolina General
Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-
6714. Unless such demands are made, this permit shall be final and binding.
If you need additional information concerning this matter, please contact Kristin E. Miguez at
[phone] extension 524.
Sincerely,
Kerr T. Stevens
cc, Catawba County Health Department
Quality ,smipT(WWTF Permit. No, NC0024279)
W.K. Dickson & Co, Inc.

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH
WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT
This permit shall be effective from the date of issuance until rescinded and shall be subject to the following
specified conditions and limitations:
1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance
with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water QuaIity's (Division) Gravity
Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design
Criteria for the Fast -Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 as
applicable; and other supporting materials unless specifically mentioned herein.
2. This permit shall be effective only with respect to the nature and volume of wastes described in the
application and other supporting data.
3. The wastewater collection facilities shall be properly maintained and operated at all times. The Permittee
shall maintain compliance with an individual system -wide collection system permit for the operation and
maintenance of these facilities as required by 15A NCAC 2H .0227. If an individual permit is not required,
the following performance criteria shall be met as provided in 15A NCAC 2H .0227:
a. The sewer system shall be effectively maintained and operated at all times to prevent discharge to land
or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L .0200 or the
surface water standards in 15A NCAC 2B .0200.
b. A map of the sewer system shall be developed prior to January 1, 2004 and shall be actively
maintained.
c. An operation and maintenance plan shall be developed and implemented.
d. Pump stations that are not connected to a telemetry system shall be inspected at least three times per
week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A
NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day.
Pump stations that are connected to a telemetry system shall be inspected at least once per week.
e. High -priority sewer lines shall be inspected at least once per every six-month period of time.
f. A general observation of the entire sewer system shall be conducted at least once per year.
g. Inspection and maintenance records shall be maintained for a period of at least three years.
h. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance
with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina
General Statute §143-215.1C.
1

4. This permit shall not be transferable. In the event there is a desire for the wastewater collection facilities to
change ownership, or there is a name change of the Permittee, a formal permit request shall be submitted to
the Division accompanied by documentation from the parties involved, and other supporting materials as
may be appropriate. The approval of this request shall be considered on its merits and may or may not be
approved.
5. Construction of the gravity sewers shall be scheduled so as not to interrupt service by the existing utilities
nor result in an overflow or bypass discharge of wastewater to the surface waters of the State.
6. Upon completion of construction and prior to operation of these permitted facilities, a certification, a copy
of the construction record drawings, as well as supporting design calculations for any pump stations
permitted as part of this project shall be received from a North Carolina -licensed Professional Engineer
certifying that the facilities have been installed in accordance with this permit; 15A NCAC 2H .0200; the
Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Station and Force Main adopted June 1, 2000 as
applicable; and other supporting materials. If this project is to be completed in phases and partially
certified, you shall retain the responsibility to track further construction approved under the same permit,
and shall provide a final certificate of completion once the entire project has been completed. A copy of the
construction record drawings, indicating the facilities constructed in the phase being certified, shall be
submitted with each partial certification. Mail the Engineer's Certification, one copy of the "Construction
Record Drawings", and one copy of the supporting design calculations to the Non -Discharge Permitting
Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617.
7. A copy of the construction record drawings shall be maintained on file by the Permittee for the life of the
wastewater collection facilities.
8. FaiIure to abide by the conditions and limitations contained in this permit; 15A NCAC 2H .0200; the
Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum
Design Criteria for the Fast -Track Permitting of Pump Station and Force Mains adopted June 1, 2000 as
applicable; and other supporting materials may subject the Permittee to an enforcement action by the
Division, in accordance with North Carolina General Statutes §143-215.6A through §143-215.6C.
9. In the event that the wastewater collection facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may be
required by this Division, such as the construction of additional or replacement facilities.
10. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes, rules,
regulations, or ordinances that may be imposed by other government agencies (local, state and federal)
which have jurisdiction, including but not Iimited to applicable river buffer rules in 15A NCAC 2B .0200,
erosion and sedimentation control requirements in 15A NCAC Ch. 4 and under the Division's General
Permit NCG0100000, and any requirements pertaining to wetlands under 15A NCAC 2B .0200 and 15A
NCAC 2H .0500.
11. Noncompliance Notification:
The Permittee shall report by telephone to the Mooresville Regional Office, telephone number (704) 663-
1699, as soon as possible, but in no case more than 24 hours or on the next working day, following the
occurrence or first knowledge of the occurrence of either of the following:
a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable of
adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or
breakage, etc.; or
b. Any failure of a pumping station or sewer line resulting in a by-pass directly to receiving waters without
treatment of all or any portion of the influent to such station or facility.
2

Persons reporting such occurrences by telephone shall also file a written report in letter form within five
days following first knowledge of the occurrence. This report must outline the actions taken or proposed to
be taken to ensure that the problem does not recur.
Permit issued this the twenty-second day of January, 200I
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
--q7 �Q'i..� J
T. Stevens, Director a ! G
6294C'err
Division of Water Quality
By Authority of the Environmental Management Commission
Permit Number WQ0019368
3

Permit No. WQ0019368
January 22, 2001
ENGINEER'S CERTIFICATION
Partial Final
1, , as a duly registered Professional Engineer in the State of North Carolina,
having been authorized to observe (periodically, weekly, full time) the construction of the
project, , for the
Project Name Location and County
Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the
construction such that the construction was observed to be built within substantial compliance of this permit;
15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria
adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast -Track Permitting
of Pump Stations and Force Mains adopted June 1, 2000 as applicable; and other supporting materials.
North Carolina Professional Engineer's seal, signature, and date:
The above Engineer's Certification shall be completed and submitted to the address below with one copy of the
"Construction Record Drawings" of the wastewater collection system extension as well as supporting design
calculations for any pump stations permitted as part of this project. This project shall not be considered complete
nor allowed to operate until this Engineer's Certification and all required supporting documentation have been
received by the Division. Any wastewater flow made tributary to the wastewater collection system extension
prior to completion of this Engineer's Certification shall be considered a violation of the permit and shall subject
the Permittee to appropriate enforcement actions.
NORTH CAROLINA DIVISION OF WATER QUALITY
WATER QUALITY SECTION
NON -DISCHARGE PERMITTING UNIT
1617 MAIL SERVICE CENTER
RALEIGH, NORTH CAROLINA 27699-1617
4

NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
October 14, 1998.
Mr. Rex Gleason
919 North Main Street
Mooresville, N. C. 28115
Subject: Municipal. Compliance Initiative
City of Conover
Dear Mr. Gleason:
Please fin enclosed a copy of two (2) MCI Reports delivered to the City of
Conover.
Sincerely,
Felton E, (Gere Johnson, P. E.
Enel.
FEJ/p
cc: MCI File
CONSTRUCTION GRANTS & LOANS SECTION
P.O. Box 29579, RALEIGH, NORTH CARoLINA 27626-0579
PHONE [phone] FAX [phone]
AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER - 50% RECYCLED/1O% POST -CONSUMER PAPER

r_
,
f
A•
Municipal Compliance Initiatives Program
Performance Evaluation
City of Conover
Southeast Wastewater Treatment Plant No. 1
Prepared by
Construction Grants and Loans Section
Division of Water Quality
February 1998

TABLE OF CONTENTS
CITY OF CONOI'ER
SOUTHEAST HEAST WASTEWATER TREA T7VIENT PLANT NO.1
WASTEWATER TREATMENT PLANT
Page
I. INTRODUCTION
II. EXISTING SYSTEM AND PERFORMANCE
EXISTING SYSTEM 2
CURRENT NPDES PERMIT REQUIREMENTS 3
SUMMARY OF INFLUENT LOADING AND
EFFLUENT DISCHARGE CHARACTERISTICS 4
RECENT HISTORY 5
III. SYSTEM EVALUATION
INFILTRATION AND INFLOW
SUMMARY UNIT PROCESS EVALUATION AND
OPERATION AND MAINTENANCE
BUDGET AND USER CHARGES
6
12
13
IV. CONCLUSIONS AND RECOMMENDATIONS 19
V. APPENDIX
SECTION 1: PROCESS EVALUATION
- Performance Graphs A-1
- Impact of Influent Concentrations on Effluent Concentrations A-2
- Flow Schematic A-3
- Summary Current Process Monitoring A-4
- Process Evaluation A-5
- Recommended Process Monitoring A-1 0
- Microscopic Examination A-1 1
- Summary of Existing Process Units A-12
SECTION 2: DESIGN EVALUATION
- Technical Design Evaluation A-14
- Variables Definitions A-26
SECTION 3: MISCELLANEOUS
- Process Monitoring Forms
- Requirements for Achieving Class "B"
Pathogen Requirements
A-30
A-32

INTRODUCTION

INTRODUCTION
Portions of this report are based on data collected during the MCI audit, records
from the waste treatment facility, and data submitted to the state by the Operator in
Responsible Charge (ORC) for the city of Conover during the period of April 1996 and
September 1997 as summarized on page four (4). Finally, data from the State
Information Processing Service (SIPS) was used to attempt an Inflow/Infiltration (1/I)
evaluation.
Monthly influent BOD5 levels ranged from 166 mg/1 to 390 mg/1 over the eighteen
(18) month period and averaged 245 mg/I for the period. The design BOD5 level was
assumed to be 200 mg/l. There were no violations in effluent BOD5 levels that had
averaged 3.9 mg/I. Using the influent and effluent BOD5 values, the plant operated at a
98% efficiency level.
The influent Total Suspended Solids (TSS) ranged from 240 mg/1 to 640 mg/l.
With the design TSS assumed to be 200 mg/1, the monthly average exceeded the design
value all eighteen months.
The NH;-N requirements for the city of Conover are 2.0 mW1 in the summer and
5.2 in the winter. The reported values indicated that approximately 94% of the NH;-N
was being removed by the treatment process. This is to be expected due,in part, to the
long detention within the aeration basin.
The treatment facility's design flow was 0.3 Million Gallons per Day (MGD). The
average monthly flow ranged from 0.1064 to 0.2017 MGD. No violations for flow were
encountered.
1

EXISTING SYSTEM ANDPE NCE

EXISTING SYSTEM
The city of Conover owns and operates two wastewater treatment plants at
the Southeast site each having a design capacity of 0.3 MGD. PIant No. 1 consists
of manual bar screens, a grit chamber, a Parshall flume and flow recorder, aeration
basin, clarifier, chlorine disinfection, a stand-by power supply, a sludge holding
tank, and sludge drying beds. The discharge is into McLin Creek, Class C waters
in the Catawba River Basin.
Page 4 represents a summary of influent and effluent characteristics for the
last eighteen months and shows no violations of any limits. Not on page four, but
also of importance to plant performance, is the fact that there have been
deficiencies noted in an NPDES Compliance Inspection.
The graphs on page A-1 present averages calculated by linear regression to
dampen the variations and more clearly show the trends, compared to the
permitted effluent limit adjusted to compensate for the amplitude of variation.
The evaluation of submitted data utilizing linear regression analyses
indicates the following :
1) Flow Ievels are running at about 49% of the limit and are stable. •
2) Biochemical Oxygen Demand (BOD) levels are,running at about 13%
of the limit and are stable.
3) Total Suspended Solids (TSS) levels are erratic and running at 49% of
the limit.
4) Fecal Coliform levels are consistently low, averaging just 1.1% of the
limit.
5) Ammonia (NH3) as nitrogen (N) Ievels were high at the beginning of
the review period but were reported to be zero (0) for the last four (4)
months of the period.
The graphs on page A-2 for BOD and TSS compare the influent and
effluent concentrations as percent of 200 mg/l, which is a reasonable concentration
for domestic wastewater influent and effluent concentrations as a percent of 30
mgll for BOD and 30 mg/I for TSS, which are the permit limits.
-2-

CITY OF CONOVER
SOUTHEAST WASTEWATER TREATMENT PLANT NO.1
CURRENT NPDES PERMIT REQUIREMENTS
Permit NC0024279 Outfall No. 1
(All limits are monthly averages, except for pH and residual chlorine which are a daily
range and a daily maximum, respectively)
Flow 0.300 MGD
BOD5,20"C 30m /I
TSS 30 mg/l
NH3 as N 2.0 mg/1 summer, 5.2 mg/1 winter
Fecal Coliform 200.0/100 ml
pH 6.0 - 9.0
Permit Expires 6/30/2000
-3-

CITY OF CONOVER - Discharge No.1
SUMMARY OF INFLUENT LOADING
AND EFFLUENT DISCHARGE CHARACTERISTICS
FLOW BOD . TSS NH3-N FECAL
DATE MGD MG/L MG/L
INFLUENT
MG/L COL/100ML
04-96
no data 240.2
277.1
28.8
no data
05-96
no data 212.6
240
32.4
no data
06-96
no data 203
329.7
26.9
no dat
07-96
no data 188.4
458.7
39.8
no dat
08-96
no data 169.6
312.9
36.6
no data
09-96
no data 271.9
367.5
29.7
no data
10-96
no data 271.3
410.9
31.5
no data
11-96
no data 174
634.5
34.4
no data
12-96
no data 304.4
448.7
20.3
no data
01-97
no data 389.5
589.8
24.5
no data
02-97
03-97_
04-97
no data 282.5
430
15
no data
no data 313.8
627.5
21.8
no data
no data 233.8
514.8
24.4
no data
05-97
no data 269.4
640
no data
no data
06-97
no data 215
376
20.3
no data)
07-97
no data 222
314.8
I5.1
no data
08-97
no data 273.8
371.3
27.7
no data
09-97
no data 165.6
405.7
20.6
no data
FLOW
EFFLUENT
BOD TSS
NH3-N
FECAL
D.O.
04-96
0.17451 4.22
13.7
2.89
1
7.24
05-96
0.18441 2.7
9.6
9.91
1.5
7.02
06-96
0.1597
2
6.2
0.95
1.9
6.78
07-96
0.1457' 3.45
I3
0.57
1.3
6.65
08-96
0.1617' 2.35
16.6
0.91
1
6.25
09-96
0.1586 1 2.7
15
0.68
3.1
6.39
10-96
_
0.15831 3.7
21.4
1.48
3.8
6.39
11-96
0.1571
3.22
20.7
1.12
3.5
6.85
12-96
0.1829
6.57
17.3
4.77
1.2
7.55
01-97
0.1435
5.44
19.1
0.56
8.8
8.12
02-97
0.2071
3.35
13.3
0.65
3.7
7.6
03-97
0.1277
4.25
18.5
0.9
2.5
7.57
04-97
0.1276
6.3
23.4
1.12
1.2
7.48
05-97
0.1228
3.1
14.8
0.5
1.1
6.45
06-97
0.1165
2.3
9.9
0
1
6.13
07-97
0.1064
3.04
9.7
0
1.5
6.68
08-97
0.1076
6.12
11.3
0
0
6.57
09-97
0.1201
5.12
13.4
0
3
6.61
avg.:
0.148
3.885
14.828
1.501
2.283
6.907
4

RECENT HISTORY - CITY OF CONOVER
The following is a list of documents currently residing in central files for the city
of Conover covering the last three years: Documents considered to be significant to plant
operation are in bold type.
12/08/94 - Letter to city from DEHNR requesting NPDES Permit renewal application
12/12/94 - Notice of Violation for Conductivity reporting in the August, 1994 self -
monitoring report
12/14/94 - Application for NPDES Permit renewal sent to DEM
12/14/94.- Compliance Sampling Inspection Report issued with finding of "compliance"
01/06/95 - Notice of Violation for Conductivity reporting in the October, 1994 self -
monitoring report
01/09/95 - Letter to city from DEM regarding changes in the pretreatment requirements in
the NPDES Permit
01/13/95 - Receipt of NPDES Permit Application acknowledged by DEM
02/17/95 - NPDES Staff Report and Recommendations issued
02/21/95 - Letter to city from DEM-Regional Office regarding revised Wasteload
Allocation
03/29/95 - Notice of Violation for Conductivity reporting in the November, 1994 self -
monitoring report
04/07/95 - Letter to Mooresville Regional Office from city requesting delayed ammonia
limit in lieu of chronic toxicity monitoring
04/17/95 - Notice of Violation for Flow in the February, 1995 self -monitoring report
05/04/95 - Public Notice given of intent for NPDES Permit renewal
06/26/95 - New NPDES Permit issued
06/30/95 - NPDES Wasteload Allocation worksheet in file
06/30/95 - Letter to city from DEM-Regional Office regarding new NPDES Permit
conditions
11/22/95 - NPDES Compliance Inspection Report issued
04/29/96 - Notice of Violation for Flow in the January, 1996 self -monitoring report
10/14/96 - NPDES Compliance Inspection Report issued
07/09/97 - Sanitary Sewer Overflow Report for 07/07/97 incident of overflowing
manhole
08/26/97 - Notice of Deficiency in the NPDES Compliance Inspection Report for
laboratory, flow measurement, and self -monitoring sections
10/24/97 - NPDES Permit Modification issued consolidating upstream and downstream
monitoring, and adding ammonia limit
5

I. SYSTEM EVALUATION

INFILTRATION/INFLOW EVALUATION
In an attempt to identify the quantity of ground and rain water entering a
municipality's wastewater collection system, the MCI team peifoims a "tabletop"
infiltration/Inflow (1/1) analysis. A tabletop III is one that relies on water and sewer
records as opposed to field data and records. In the case of the city of Conover, an
Infiltration/Inflow analysis could not be performed. Prior to 1996, the city kept separate
water records for three (3) wastewater treatment plants on two (2) different sites. In
review of the records, it was discovered that the sewer lines, thus water usage, that served
each of the sites were not that well defined. It appears that some of the customers who
were thought to be served by one wastetreatment site were sending their wastewater to
the other plant. Since 1996 all water records have been combined thus making it very
difficult, if not impossible, to determine the expected flow to each of the treatment sites.
6

SUMMARY UNIT PROCESS AND
OPERATION AND MAINTENANCE EVALUATION
Due to the current quantity of influent flow and the volume of the aeration
basin, this plant is identified as an extended aeration plant. However when it reaches
its design influent flow, the type of process and all of its parameters will change. A
review of the design conditions reveal that the plant will not fall under any of the
commonly recognized treatment processes. The one that it can be most closely
identified with is a plug flow treatment process. In this report, that type of treatment
process will be used for the design analysis portion. It should be noted however that
the values recommended throughout the report is just a beginning point that the ORC
may utilize. It is suggested that levels of aII process values be recorded and evaluated
as to which actually produces the best performance for the facility.
The field evaluation and records search at the treatment plant produced data
used to determine the plant's effectiveness. The data are listed in Section II of the
appendix and were used as variables in the subsequent calculations.
Influent Headworks
. The influent passes through a splitter box where the flow is divided between
plants Number One (1) and Number two (2). After the split, the influent enters plant
Number One through a mechanical bar screen angled at fifty (50) degrees with three-
quarter (3/4) inch openings that allow the wastewater to pass through while collecting
Iarge items such as sticks and rocks. A mechanical rake removes these items for
disposal in a landfill.
Controlling the frequency of the mechanical cleaning of the screen is of great
importance. If the materials trapped on the screens are not removed at proper
intervals, they will restrict the flow through the screens. With this condition,
wastewater could back up into the collection system.
After the bar screen, the flow enters two paraIIel grit chambers that are
manually cleaned manually. The grit chamber allows for a decrease in water velocity
permitting sand and other heavy particles to settle out within it. Each channel is 11.9
feet long, 1.5 feet wide, and 0.35 feet deep. Manually cleaned grit chambers are
among the most inefficient methods of removing grit. Accumulation of grit within
these chambers decrease the effective volume of the chamber and as it fills, grit
particles can more easily pass through the chamber. Grit allowed into the treatment
plant increases wear on mechanical parts within the plant and can take up space
-7-

needed for treatment processes. Manual cleaning is also labor intensive. An
automated (mechanical) grit removal system is suggested for the plant.
Flow measurement is by a Polmer-Bowlus flume wide with a subsonic depth
indicator. As wastewater passes through the flume, an ultrasonic device uses a signal
to measure the depth of flow. Wastewater depth is directly related to the quantity of
flow measured in gallons per minute.
Aeration Basin
The first major step in the treatment process is aeration. This plant has a single
aeration basin with a capacity of 173,000 gallons. Microorganisms in the basin use
oxygen to break down the wastewater into solids that can be easily settled out. The
amount of oxygen consumed is an indicator of the strength of wastewater. The higher
the BOD5 level, the greater number of organisms required to break it down. As the
number of organisms increase, their demand for oxygen increases. Therefore the
amount of oxygen consumed by a greater number of organisms indicates its strength.
The actual measurement of oxygen consumption is called the biochemical oxygen
demand (BOD5) which is also a measure of "food" for the microorganisms.
Two blowers rated at 400 cubic feet per minute at 5.0 psi, provide the oxygen
to the aeration basin. The forced air from the blowers travels through piping and
enters the basin through diffusers located on the piping. In addition to providing
oxygen for the microorganisms, the blowers also provide mixing which prevents
settling of the solids in the aeration basin. The calculations reveal that adequate
mixing is provided with one blower out of service. The calculations also show that
adequate oxygen is provided for biological activity with one blower out of service at
the current wastewater flow rate of 147,900 gallons per day. However, at the design
flow rate of 300,000 gallons per day (gpd), one blower will not provide enough air.
Consideration for purchasing an additional blower is recommended as the flow to the
plant nears its design capacity.
At the current flow rate, the wastewater has a detention time in the aeration
basin slightly over twenty-eight (28) hours. At the design flow, the detention time is
13.8 hours. Due to current parameters, the plant can be operated as an extended
aeration process and can operate similar to a conventional plug flow process at the
design flow rate. The processes are similar except for biological activity. The
detention time in the aeration basin is more than adequate when operated in either
mode. If the detention time is too short, the microorganisms would not have enough
time to adequately treat the wastewater. Conversely, if the detention time is too long,
the microorganisms would consume the BOD5 , begin to decline, and decrease the
efficiency of the plant.
-8-

Another detriment of retaining the biosolids in the system too long is the
formation of pin floc. As the waste is digested in the aereation basin, microorganisms
join with the particles to form floc. In a proper environment the floe particles grow
larger and settle easily in the clarifier. If the floc particles remain in the system too
long, they are broken up or sheared into small, lighter particles. These particles called
pin floc are more buoyant and settle poorly. Evidence of pin floc was readily seen in
the clarifier. The period of time solids remain in the system is referred to as Sludge
Retention Time (SRT). For an extended aeration plant, that time should be sixteen
(16) to twenty-five (25) days. The SRT for the plant at the time of the visit was over
forty days (40). It is suggested that the sludge age be decreased by wasting sludge on a
more frequent schedule.
One method of predicting the performance of the plant is by comparing the
amount of BOD5 entering the plant to the volume of the aeration basin. At current
flow, this ratio is 13 lbs of BOD5 per 1000 ft' of volume which is within the
recommended range of 10 to 25 lbs per 1000 ft3 for the extended aeration process. At
design flow, this ratio is 21.7 lbs of BOD5 per I000 ft3 which is within the
recommended range of 20 to 40 lbs for conventional plug flow.
Wastewater in the aeration process is called mixed liquor. The solids in the
aeration basin are called the mixed liquor suspended solids (MLSS) and were
measured at the time of the audit at a level of 5900 milligrams per Iiter or 5900 parts
per million. Normal operational levels for MLSS in an extended aeration plant is
between 2,500 and 3,000 mg/l. Part of the solids are actually microorganisms which
are measured as mixed liquor volatile suspended solids (MLVSS). The concentration
of MLVSS was estimated to be approximately 4100 mg/1 or 4100 parts per million.
The sludge volume index (SVI) is a comparison of the settleability of the mixed
liquor to the MLSS. SettleabiIity is measured by placing a sample of the mixed Iiquor
in a 1000 ml graduated cylinder and allowing it to settle over a 30 minute time period.
The level of settled solids at the end of the 30 minutes is then used to calculate the
SVI. At this plant, the mixed liquor settled to 470 ml. The observed number,
multiplied by 1000 and divided by 5900 mg/1 (the concentration of solids of the
MLSS), yielded an SVI of 80 which indicates a rapid settling sludge. Values between
35 and 150 are normally acceptable.
Clarifier
Mixed liquor from the aeration basin enters the clarifier to allow the solids and
microorganisms to settle out. The solids or "sludge" are collected off the bottom of the
clarifier and the clear effluent is taken off at the water surface. The effluent flows to
the chlorine contact tank and the sludge is either sent to disposal (wasted) or returned
-9-

to the aeration basin to provide mature microorganisms for the treatment process.
Control of sludge from the clarifier is one of the most critical operations of the
treatment process. Returning too much or too little sludge to the aeration basin can
upset the process causing the solids and microorganisms to pass through the treatment
plant. If the solids and microorganisms reach the receiving stream, they become
pollutants and may cause an violation of the NPDES permit.
The removal of effluent at the clarifier's surface is through a large suspended
ring called a weir. The diameter of the outer edge of the weir is 8 feet and the
diameter of the inner edge is 6 feet which gives a total weir length of 44.0 feet. The
total diameter of the clarifier is 27 feet and the sidewater depth is 9 feet which gives a
surface area of 573 square feet and a volume of 5153 cubic feet.
In evaluating the performance of a clarifier, there are several mathematical
calculations that can be performed to check the unit. One measure of clarifier
efficiency is the rate of flow of wastewater per linear foot of weir in the clarifier. At
current flow, the weir loading rate is 3361 gpd per linear foot, and at design flow the
loading rate is 6818 gpd per foot. These loadings are below the recommended
maximum of 10,000 gpd per linear foot. Low weir loading rates have no adverse
effect on the clarifier. However, high weir loading will create turbulence within the
unit, thus inhibiting solids settling.
Another measure of clarifier efficiency is referred to as the surface overflow
rate. This measurement is calculated by dividing the quantity of wastewater entering
the plant daily by the surface area of the clarifier. An overflow rate of 300 to 400 gpd
per square foot is recommended. The surface overflow rate at the current flow is 258
gpd per square foot, but at design flow it is 524 gpd per square foot. Being below the
range is not disruptive to the treatment process; however, a surface overflow above the
range does not allow the solids sufficient time to settle. Further, higher rates produce
some turbulence that can short circuit or inhibit settling.
The food to microorganism (F/M) ratio is a mathematical ratio of BOD5
entering the plant and the existing microorganism population within the plant. At
current flow, that ratio is 0.051 which is within the recommended range of 0.05 to
0.15 for extended aeration. At design flow it is 0.198 which is just below the
recommended range of 0.2 to 0.4 for conventional plug flow. This value may or may
not be too low for the plant. As noted earlier, this plant does not meet the parameters
of a conventional plug flow plant. The ORC will have to determine the best
operational level through experimentation. If the F/M ratio is too low, the
microorganisms in the plant will have insufficient food and decrease in population. An
-10-

increase in the return activated sludge would help this situation. If the level is too
high, an increase in wasting the sludge would be suggested.
Chlorine Contact Tank
Effluent from the clarifier enters the chlorine contact tank to be chlorinated to
destroy bacteria. A total tank volume of 3600 gallons gives thirty-five (35) minutes of
contact time at current flow and seventeen (17) minutes of contact time at design flow.
The recommended contact time is thirty (30) minutes. There were considerable
quantities of solids and grease in the chamber. Also there was approximately one-half
foot of settled solids in the unit. Overaeration and the small size of the clarifier could
account for the solids in the basin.
Sludge Holding
Sludge is held in a 1,960 cubic foot tank until it can be taken to the Northeast
WWTP for treatment and disposal.
Operation and Maintenance
The Southeast WWTPs are operated by two full time personnel, a Grade IV
operator and a Grade I operator both who spend 40 hours per week at the plant. In
addition to the two full time employees, a laboratory technician spends 8 hours per
week at the plant. This level of staffing equates to approximately 2.2 man years (4400
man-hours) per year which is what the suggested EPA staffing requirements
recommend. The 2.2 man years is inclusive of work done on just the physical site and
does not include work done on or to the town's collection system and pump stations.
The treatment works, administrative areas, and laboratory areas of the plants are
in good condition.
-1I-

BUDGET AND USER REVIEW
A review of the city of Conover's budget and accounting system as well as its
sewer user charge system was conducted to determine if the financial management
system accurately accounts for revenues and expenditures for operation and
maintenance, as weII as replacements of wastewater treatment facilities.
Based on water use, all wastewater discharged into the system is billed at $2.55
per thousand gallons. However, the city charges a fixed minimum monthly rate of
$8.00 to all users of the sewer system regardless of flow.
In Fiscal Year 1996, revenue of user charge, sewer taps, etc., in the Southeast
area generated $371,970 in revenue. Budget for the sewer system was $972,445 for all
three treatment plants. Flow to the Southeast treatment plants was 33.2 percent of the
total flow. For purpose of analysis, the total budget was multiplied by 0.332 to
estimate the portion of the budget allotted to the Southeast treatment plants. This
calculation yields $322,583 which is 15% greater than the revenue. The excess
funding can be used to establish a capital reserve fund to help pay for construction of
future wastewater facilities.
Currently, the water and sewer budgets are separate; however, the budgets for
the Northeast plant and the Southeast plants are combined. Separating the budgets of
the two wastewater treatment plants will allow for greater control of costs for both
systems.
-12-

IV. CONCLUSIONS AND RECOMMENDATIONS

CONCLUSIONS AND RECOMMENDATIONS
A Municipal Compliance Initiative (MCI) audit was performed for the city of
Conover to evaluate its wastewater system. The evaluation included: (1) a determination
of the status of the wastewater treatment plant's current NPDES permit requirements. A
comparison, expressed as percent of limit was made for Flow, BOD5, TSS, and Fecal
CoIiform; (2) a table top Inflow/Infiltration (III) analysis. The analysis was based on
available records rather than conducting field work; (3) an evaluation of both the
physical condition and equipment to determine the plant's ability to meet the
requirements of the NPDES permit; (4) a review of the sewer budget and the town's user
charge to determine their adequacies; (5) an analysis of the performance of the treatment
facility at current and design conditions, and (6) staffing requirements for the facility.
We fully realize that this plant may be abandonded or expanded in the future. Our
conclusions and recommendations are based upon leaving and operating the plant as it is
presently being utilized. Based on these analyses the following conclusions and
recommendations are made:
1. The Southeast Plant No. 1 appears to be well maintained and operated. The
current flows to the plant are approximately 42% of its rated capacity. With this
reduced capacity, the detention time within the reactors can cause a problem with
settling of the solids within the basin. When solids are retained within a basin for
extended periods of time, the action of the aeration breaks them into smaller
particles. Gravity causes the particles to settle and as they decrease in size, they
become lighter making them harder to achieve good settling characteristics.
2. Presently the bar screen for the plant is a manual screen with % inch openings.
Openings of one-half or less inches are today's technological design criteria. .
3. Consideration may be made in the installation of a mechanical grit removal unit at
the plant. The existing manually cleaned one can permit sand, grit, and gravel into
the treatment plant unless continually maintained and cleaned.
4. With the facility presently operating as an extended aeration plant and with the
volume of wastewater introduced, one blower supplies sufficient air for both
biological treatment and mixing requirements. As the flow increases to design
capacity and the BOD5 levels remaining the same as now, it will require both
blowers to operate the plant. An additional blower, a backup blower, will be
required at that time. It is suggested that the city begin preparations to obtain
another blower.
5. The solids level in the basin at the time of the MCI visit was approximately twice
-13-

that recommended for this type of plant. Even though plants can be operated at
this elevated levels, several problems can be induced by building the solids
inventory to the Ievel observed. First, holding solids this long causes the particles
to be broken into small particles that are difficult to settle in the clarifier. Also the
Ionger particles remain under aeration the more digested they become. Eventually,
they will become ash which is extremely difficult to remove by settling in the
clarifier.
6. Small clarifiers, as the existing one, inherently have more problems than large
clarifiers. Generally the problems can be attributed to one or more of three
problems. (1) depth of the clarifier. Clarifiers that are under construction today
generally are a minimum of fourteen (14) feet deep. Conover's clarifier is nine (9)
feet deep. (2) surface area of the clarifier. If the surface area is too small, the
solids reach the weirs before they can settle. If the depth is insufficient, the solids
settled on the bottom can be pulled over the weirs as they accumulate in the
clarifier and (3) sludge wasting /sludge return rates. As evidenced by the MLSS
level in the aeration basin, more sludge wasting would probably be appropriate.
The higher the MLSS levels, the easier for lighter solids to pass from the clarifier.
It is suggested that the city consider an additional clarifier for design conditions.
7 The chlorine contact chamber presently has a volume to satisfy the recommended
contact time for effluent. At design flows, however, it will have slightly more than
one-half required. Two other problems were noted with the chamber. First, there
was a considerable number of grease balls floating in the chamber. The grease
should be removed by skimming the balls out at the clarifier or adding a degreaser
somewhere within the collection or treatment system. A second problem noted was
the accumulation of solids in the basin. In some areas the solids were over six (6)
inches deep in the chamber. These solids, especially under high flow conditions,
can be suspended in the effluent and pass into the receiving stream. The chlorine
contact basin will have to be expanded in the future, if chlorination is the preferred
method of disinfecting the effluent. If a larger, deeper basin is constructed, loss
of solids probably could be reduced, if the solids that do enter the unit are removed
on a regular schedule.
8. Conover is served by three wastewater treatment plants that collect waste water
from its different geographical areas. In addition, it receives some flow from the
town of Newton and sends some of its wastewater to another neighbor. The city
also sells some water to the town of Clarmount. Until the year 1996, water and
sewer records for the Northeast and two (2) Southeast plants were maintained
separately. However, in conversations with the city it appears that the exact
boundary lines are a little hazy. Since 1996, billing records for both treatment
-14-

sites have been combined. Should the city ever conduct a compresensive Inflow/
Infiltration (llI) study, the exact geographical areas/basins and the the amount of
water sold or received into each treatment site would be imperative. With the
records the MCI team examined, and through conversations with city personnel, it
appears that an Inflow/Infiltration study could not be performed for this report.
9. A review of the total water and sewer budget revealed that it appears to be
sufficient for the day to day operation of the facilities.
10. As the plant approaches its design parameters, operational adjustments will be
necessary as the treatment process moves from extended aeration to another type
of treatment.
-15-

V. APPENDIX.

SECTION I - PROCESS EV UAT1 N

CO OVER Southeast1
9
AkEtTER
QUA J
.�. . �\e
N /§/}//\ ...� .: .�

Impact of Influent Cne nt °at uns on Eff u n
Ihe graphs f r BU[) at `I'SS which follow compare the i:tzlla.tent c ncentratic its
as percent of 200 rrrg�l, a reasonable concentration for domestic influent, and effluent
concentrations as percent of 30 urig/l for f3t )DS and 30 rog./l for 'I"SS,
penriit limits.
v
round appear that there
and TSS concentrations.
t..
hip between influent artd eftlatetrt
City of Conover WWTP, Discharge #1
influent F UE.t vs Effluent tiOD
04-9605961I6-,96u7-91:108 060,9 961(-9611 9012-9601.9 02 4a b41- 970,1 971i 9706-0707-9'
Month
'D as a i)/0 o(' 00 mg/1-
t3C)D as a `:4, c)l 30 mg/1
City of Conover WWTP, Discharge #1
Influent TSS vs, Effluent TSS
100 l _, ....._.., ...
04-9605...9606-9607-960-00,09-9610-9611-9612-9801 -0702-0/03-9704-97 i -9. 106 9701-9
Month
TSS
a
ng4-..- `TSS asa'Ino 30mgt
9-97

\o j�., 0 I NE EIN
ROC
NE
AND
y �I 1.)
GE
NG
I A ,
TION
Y
NOT TO LE)

CITY OF CONOVER
SUMMARY OF CURRENT PROCESS MONITORING
CONOVER SOUTHEAST PLANT, DISCHARGE 1
UNIT
Sludge
Depth
NH3
(m2/L)
P
(mg/IA
Alkalinity
(mg/12
pH
_
D.O.
(mg/L)
Temp
(DC)
CL res
(ma/L)
Influent
37.0
136.0
7.7
5.2
12.1
Primary Clarifier #1
,
Primary Clarifier #2
Aeration Basin #1
68.0
6.9
4.0
11.2
Aeration Basin #2
Trickling Filter #1
_
Trickling Filter #2
Secondary Clarifier #1
2.0
6.8
4.4
10.9
Secondary Clarifier #2
_
Effluent Filter
Chlorine Contact Tank
0.5
6.9
6.4
11.0
Post Aeration
Thickener
Aerobic Digester
Sludge Holding
Digester Supernatent
Filtrate
Effluent
0.6
_
51.0
6.9
8.7
10.9
Aeration II
Other
Other
AVERAGE DAILY FLOW = 0.363mgd
BOD5 Influent = 178 mg/l
TSS Influent = 227 mg/1
MISS Basin #1 = 4,300 mg/l
MLVSS Basin #1 = 3,440 mg/1
Return Sludge - % Solids = 1.0 %
Settleability @ 100% - Basin #1 = 550 nig/1
Effluent Settleable Solids = 22 mg/1

Process Evaluation
(Note: Identification of the variables used in this section is found on pages A-26 to A-29
Aeration Basin
Food/Microorganism Ratio (F/M) — lbs Influent BOD
Q is = 0.1479 mgd
MLVSS abc — 4130 mg/1
BOD is = 244 mg/I
VOL abc - 173000 gal
FM c
MLVSS abc•VOL abc•NUM abc
Q ic•BOD ic•i000000
FMc=0.051
at current flow
Q id•BOD id•1000000
FM d MLVSS VOL •NUM
abd• abc abc
FM d = 0.198 at design flow
lbs MLVSS
Q id = 0.3 mgd
MLVSS abd = 1750 mg/1
BOD id = 200 mg/l
NUM abc -1 ea
The recommended F/M ratio for extended aeration is 0.05 to 0.15.
Therefore, the F/M is within the recommended range for Plant No. 1 at current flow and
above the recommended range for design flow. A low F/M generally produces a rapid
settling sludge and indicates a well operated treatment facility.
A-5

Sludge Produced (Actual)
Sludge produced = (current flow, mgd)*( BODS, mg/1 )*(8.34)*(0.65 Ibs sludge/ lb BODS)
Qis=0.1479
BOD is = 244
mgd I SOLIDS cc = 0.0098
mg/1 BOD ec = 3.9 mg/1
S abc '— [Q ic'(BOD is — BOD ec)•8.34.0.65]
S abc 193
lbs of sludge produced per day at current flow
SLUDGE wastc
S abc
8.34•SOLIDS cc
SLUDGE wastc = 2355 gpd
Sludge Produced (Design)
Sludge produced = (design flow, mgd)*( BODS, mg/1 )*(8.34)*(0.65 lbs sludge/ Ib BODS)
Qid=0.3
BOD id = 200
mgd SOLIDS cd = 8•103 mg/1
mg/l I BOD ed = 30 mg/1
S cabd (Q id.8.34).[ (BOD id — BOD ed) •0.651
S cabd = 276
SLUDGE wastd
8.34•SOLIDS cd
SLUDGE wastd = 4144 • gpd
A-6
Ibs of sludge produced per day at design flow
S cabd

Sludge Retention Time (SRT)
Sludge Retention Time, SRT
lbs MLSS
solids wasted + lbs effluent solids
Q is =0.1479 mgd
VOL abc = 173000 mg
NUM abc = I ea
SLUDGE wastc = 2355 gpd
MLSS abc = 5900 mg/I
SOLIDS cc = 9.8-I0 3 (0.98 %)
SRT c
SLUDGE wastc'SOLIDS cc + SS ec•Q is
Q id 0.3 mgd
SLUDGE wastd = 4144 gpd
MLSS abd - 2500 mg/1
SOLIDS cd = 0.008 (0.8 %)
SS ed =30 mg/1
SS eC =14.8 mg/1
NUM abc'MLSS abc•VOL abc'0.000001
SRT c = 40.4 days at current -flow
SRT d :-
NUM abc'MLSS abd'VOL abc•0.000001
SLUDGE wastd-SOLIDS cd + SS ed'Q id
SRT d = 10.3 days at design flow
The treatment plant appears to operate as extended aeration at the current flow
rate and should operate as conventional plug flow at the design flow rate.
SRT is generally 16 to 25 days for extended aeration and 5 to 15 days for
conventional plug flow.
Therefore, the SRT is above the accepted design range of extended aeration at
current flows and within the range of plug flow at design flow.
A-7

Excess Solids in the Treatment Plant
Excess solids in plant = Excess solids in MLSS above design
MLSS abc = 5900 mg/I I VOL abc = 173000 I SOLIDS cc = 0.01
I MLSS abd = 2500 I NUM abc = 1
SOLIDS aer '- MI -SS abc — MLSS abd)*NUM abc'8•34. VOL abc.0.000001
SOLIDS aer = 4906 Ibs excess solids in aeration basin
The sludge blanket in the clarifier is less than 2 feet thick; therefore, it has no
excess solids.
Secondary Clarifier
Sludge Volume Index (SVI)
Sludge Volume Index (SVI) = Settleability, ml x 1000
MLSS, ml
SETTL c = 470 ml I MLSS abc = 5900 mg/I
SETTL c• 1000
SVI
MLSS abc
SVI =80
SVI for good settling sludge ranges from 35 to 150.
The SVI indicates a rapid settling sludge.
A-8

Theoretical Sludge Recycle Rate ((Ln,)
Theoretical SIudge Recycle Rate (Qtras) _ (current flow, mgd )*(MLSS, mg/I
Q is — 0.1479
I MLSS abc =5900
Q trasc ' ( SOLIDS cc• 1000000) — MLSS abc
(Qras solids, mg/I - MESS, mg/I)
mgd SOLIDS cc = 0.0098 mg/I
mg/I I i
Q ic•MLSS abc
Q trasc = 0.224 mgd of sludge theoretically recycled in the plant
Q trasc
RECYCLE t :- • 100
Q is
RECYCLE t = 1 5 I % of current flow theoretically recycled in the plant
Actual Sludge Recycle Rate
RECYCLE t Q rasc 100
Q is
RECYCLE t = 128 % of current flow
Normal Sludge recycle rates for activated sludge plants range from 50 to
100 % of the plant flow.
A-9

RECOMMENDED PROCESS MONITORING
L UNIT
TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
INFLUENT
BODs, SS
X
NI-3-N
X
DO
X
GREASE
X
ALKALINITY (CaCO3)
X
pH
X
UNIT
TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
PRIMARY CLARIFIER
WASTE SLUDGE % SOLIDS, VSS
;EFFLUENT BODs, SS
UNIT
TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
I PERIODICALLY
TRICKLING FILTER/RBC BODs, SS
_
'NH3-N
UNIT I TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
AERATION BASINS LMLSS,MLVSS
X
'SETTLEABILITY
X
;pH
X
;DO
X
O:.UPTAKE
X
PERIODICALLY
UNIT _
INTERMD./FINAL CLARIFIER'RETURNIWASTE
L _ TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
SLUDGE % SOLIDS
X
BODs, SS, NH3-N
X
IDO
X
— — — jpH
X
'SLUDGE DEPTH
X
PERIODICALLY
UNIT TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
EFFLUENT jBODs, SS, NH3-N
X
;DO
X
h H
UNIT d TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
;DISINFECTION FECAL COLIFORM
X
'C12
RESIDUAL
X
UNIT
TEST
DAILY
3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
DIGESTER/THICKENER
°k SOLIDS
VOLATILE SOLIDS
SUPERNATANT:BODs, NH3-N, SS, P
DO
UNIT
TEST
DAILY
'3X WEEK
WEEKLY
BIMONTHLY
PERIODICALLY
DEWATERING
% SOLIDS, VOLATILE SOLIDS
FILTRATE:BODs, NH3-N, SS, P
A-10

WORKSHEET FOR MICROSCOPIC EXAMINATION FOR ACTIVATED SLUDGE
DATE:SEPTEMBER 15,1998 TEMP: 8° C
BY: FEJ TIME: 10:30 AM
SAMPLE LOCATION: CONOVER SOUTHEAST PLANT #1
MICROORGANIS
M
GROUP
SLIDE NO. 1
SLIDE NO. 2
SLIDE NO. 3
TOTAL
AMOEBOIDS
FLAGELLATES
FREE SWIMMING
CILIATES
XXX
STALKED
CILIATES
XXXX
ROTIFERS
WORMS
FILAMENTOUS
RELATIVE PREDOMINANCE:
1. STALKED CILIATES
2. FREE SWIMMING CILIATES
3.
COMMENTS:
A-11

Summary of Existing Process Units
Plant No. 1
Bar Screen
Number of units - 1
Type - Mechanically cleaned
Opening width -'/2 inch
Slope - 50 degrees
Grit Chamber
Number of units - 1
Type - Double channel, manually cleaned
Width of each - 1.5 feet
Length - 11.9 feet
Depth - 0.35 feet
Influent Flow Measure
Type - Subsonic
Width - 0.60 feet
Flow recorded - 75 gpm (108,000 gpd)
Aeration Basin
Number of basins - 1
Volume - 173,000 gallons •
Type of aeration - centrifugal blowers
Number of blowers - 2
Size of each blower - 400 cfm
Secondary Clarifiers
Number - 1
Diameter - 27.0 feet
Depth - 9 feet
Volume - 5153 cubic feet
Weir length - 44.0 feet
Type of influent feet - peripheral
Sludge Pumps
Number - 2
Size - 2 HP
Capacity of each - 400 gpm
A-12

Chlorine Contact Basin
Number - 1
Total Volume - 3,600 gallons
Sludge Holding Tank
Number - 1
Volume - 1,960 cubic feet
A-13

SECTION 2 DESIGN EVALUATION

Technical Design Evaluation
Identification of the variables used in this section can be found on pages A - 26 to A - 29
Existing Influent Data
BOD, Influent = (Existing influent flow, mgd) x (Influent BOD,, mg/I) x 8.34
Q is =0.1479 mgd
BOD is = 244 mg/I
BOD 5icib ._ Q ic•BOD is 8.34
BOD 5icib =301 Ibs/day
SS Influent = (Existing influent flow, mgd) x (Influent SS, mg/I) x 8.34
Q is = 0.1479 mgd
SS iclb `= Q ic•SS ic•8.34
SS iclb = 532
Ibs/day
SS is = 431 mg/1
NH,N Influent = (Existing influent flow, mgd) x (Influent NH,N, mg/1) x 8.34
Q is = 0.1479 mg/I I NH Sic = 26.5
NH 3iclb Q is -NH 3ic•8.34
NH 3iclb — 33
Ibs/day
A-I4
mg/1

Design Influent Data:
BOD, Influent = (Design influent flow, mgd) x (Influent BODS, mg/1) x 8.34
Q id = °•3 mgd
BOD id = 200 mg/I
BOD 5idlb Q id•BOD id•8.34
BOD 5idlb =500 lbs/day
SS Influent = (Design influent flow, mgd) x (Design influent SS, mg/1) x 8.34
Q id = 0.3 mgd I SS id = 200 mg/I
SS idlb - Q id•SS id•8.34
SS idlb = 5on
lbs/day
NH3N Influent = (Design influent flow, mgd) x (Design influent NH,N, mg/1) x 8.34
Q id = 0.3 mg/1
NH 3id =25 mg/l
NH 3idlb '- Q id' 3id•8.34
NH 3idlb = 63
lbs/day
A-15

Aeration Basins:
Detention:
Q ige = 147900 gpd I VOL abc = 173000 gallons
Q igd = 300000 gpd I NUM abc =1 ea
Detention — (number of basins) x (basin volume) x (24 hrlday) — hours
average daily flow, gpd
NUM abc'VOL abc'24
DET abc
Q igc
DET abc = 28.1 hours of detention at current flow
_ NUM abc'VOL abc'24
DET abd '
Q igd
DET abd = 13.8 hours of detention at design flow
Suggested detention is 18 to 36 hours for an extended aeration process and 4
to 8 hours for conventional plug flow. Therefore, the aeration basin has
approximately 1.8 times the required volume based on current average daily
flow using the extended aeration process and has 3.4 times the required
volume at design flow using the conventional plug flow process.
A-16

Volumetric BOD Loading
Qis=o.1479 mgd 1 Qid=0.3 mgd 1 NUM abc = 1 ea
1 BOD is = 244 mg/1 I BOD id = 200 mg/I I VOL abf = 23078 ft' I
Volumetric Loading = (Average daily flow, mgd) x (BOD, mg/I) x 8.34
1000 ft3 of basin
VOLUMETRIC abc
NUM abc-VOL abf
Q ic•BOD ic•8.34
1000
VOLUMETRIC abc = 13 Ibs BODS/I000 ft3 at current flow
Q id•BOD id•8.34
VOLUMETRIC abd '-
(NUM abc'VOL abi
, 1000
VOLUMETRIC abd =21.7 Ibs BOD5/1000 ft' at design flow
Suggested loading is 10 to 25 lbs of BOD./1000ft3 for an extended aeration
process and 20 to 40 lbs of BODJ1000ft3 for a conventional plug flow
process. The current loading is within the recommended minimum for
extended aeration and the design loading is within the recommended
minimum for conventional plug flow.
A-17

Oxygen Requirements:
Oxygen Required = (1.5 lbs 02/lb BOD5) x (Average daily flow, gpd) x
(Aeration BODS, mg/1) + (4.5 lb 0, /lb NH,N) x
(Average daily flow, gpd) x (Aeration NH,N, mg/I) x 8.34
Q • is = 0.1479 mgd BOD is = 244 mg/I NH 3ic = 26.5 mg/I
1 1
Q id = 0.3 mgd I BOD id = 200 mg/I I NH 3id = 25 mg/I
AOR abc '- 1.5.Q ic•BOD ic•8.34 + 4.5 •Q ic.NH3ic•8.34
AOR abc = 599 lbs 02 per day at current flow
AOR abd '- 1.3.Q id•BOD id•8.34 + 4.5•Q id NH 3id.8.34
AOR abd = 1032 lbs 0, per day at design.flow
Available Oxygen
For coarse bubble diffusers, assume an 8% dirty water transfer efficiency.
Assume that air is 20.5% oxygen.
Number of blowers for the aeration basin = NUM abbd = 2
Flow rate of each blower is = CFM ab = 400 cfm
0, supplied = (cfm of blower) x (0.0728 Ibs air/cf) x (0.205) x (0.08) x (1440 min/day)
02 supplied = 0 2s CFM ab-0.0728.0.205.0.08.1440= lbs of 02 per day
0 2s = 688 lbs per day per blower
A-18

Mixing
1 NUM abbc = 1 ea I VOL abf = 23078 fP
1 HP abc = 20 HP j
Mixing provided — (Number of blowers) x (Horsepower of blowers)
(Volume of aeration basin / 1000)
NUM abbc'HP abc
MIXING
(VOL abf
1, Imo
MIXING = 0.87 horsepower / I000 ft3 with one blower in operation
Recommended mixing is 0.5 to 1.0 HP/1000 ft3. Adequate mixing is provided
with one of the two blowers in operation.
A-19

•
•
Detailed evaluation of oxygen and horsepower requirements:
SORU3C, - CL)a
AOR = x 1.024a-20)
Cs
AOR = Lbs of 02 per day transferred under field conditions
SOR = Lbs of 02 per day transferred in water at 20°C and zero dissolved oxygen
13 = Salinity -surface tension correction factor, usually 0.95 to I
C, = Oxygen -saturation concentration for waste at given temperataure and altitude, mg/1
CL = Operating oxygen concentrations, mg/I
T = Temperature, °C
= Oxygen transfer correction factor, usually 0.6 to 0.7 for wastewater
e = elevation correction (this treatment plant is at approximately 900 feet elevation)
a := 0.7
j3 := 0.95
e := 0.97
C L := 2.0 mg/I AOR abc = 599 lbs 0: per day at current flow
C s := 9.08 mg/I AOR abd = 1032 lbs 0, per day at design flow
T := 20 degrees, C D := 8.0 effective depth of air diffusers
Csw:=Cs'leI0.4, D) J
C sw =9.66
SOR :- ¢• C sw - C L a .1.024(T - 2o)
C
SOR = 0.553
s
AOR abc
SOR abc :- SOR
SOR abc = 1081
AOR abd
SOR abd ' SOR
SOR abd = 1865
lbs 02 per day at current flow
lbs 02 per day at design flow
A-20

Convert to SCFM:
SCFM =
lbs/day SOR
(Density of air @ 20"C) x (% OZ in air) x (diffuser efficiency) x (I440 min/day)
A d := 0.0728 Density of air t@ 20°C in 1bs/ft3
0 2 0.205 % 0, in air
D e := 0.16 Coarse bubble diffuser efficiency in clean water
SCFM abc
A d•O 2•D e•1440
'SOR abc
SCFM abc = 315 cfm at current flow
SCFM abd
SOR abd
A d•O 2•D e•1440
SCFM abd = 542 cfm at design flow
Convert to CFM
CFM = [(4600 + 90°) + (4600+ 68°)] x SCFM
(460 + 90'�
CFM abc -SCFM �460 + G8 abc
= 328 cfm required at current flow CFM abc
_ 460 + 90
CFM abd �460 + 68 'SCFM abd
CFM abd = 565 cfm required at design flow
A-21

Horsepower required:
w = (cfm) x (1/60 min/sec) x density of air @ elevation and temperature in Ibs/ft'
1'
w abc CFM ab (G0/ A d
w abc `0.485 Mass flow rate ofair, lbs/sec at current flow
/11
w abd 2'CFM ab' �,6o,J `4 d
w abd = 0.971 Mass flow rate of air, lbs/sec at design flow
R:=53.4
Gas constant b := 0.75 Blower efficiency
T := 460 + 90 Absolute inlet temperature p 1 14.42 Absolute inlet pressure, psi
n := 0.283 Constant for air
AERATOR = 5 psi
p 2 := AERATOR + p
p 2 = 19.4 Absolute outlet pressure, psi
w abc'R•T 1 Ip 21n
• p 1 - [ = 10.73 HP required at current flow
550-n•b
w abd•R•T 1 (—P 2 \ n
- 1 = 21.47 HP required at design flow
550-n b \p 1,
Adequate aeration and mixing is provided at current conditions; however, aeration
is inadequate at design conditions.
A-22

Secondary Clarifiers:
Q is = 0.148 mgd
Q id = 0.3 mgd
NUMsc=1 ea
VOL Scf = 5153 ft3
(cu ft of clarifier) x (7.48 gal/cu ft) x (24 hr/day) _ hrs
Detention Average daily flow, gpd
Detention =
Detention =
NUM sc-VOL sc f24.7.48
— 6.3 hours at current flow
Q ic•E000000
NUM .VOLscscf-24.7.48
Q id • W00000
Weir and overflow rates:
Q is =0.148 mgd
I Q id = 0.3 mgd
LENGTH sc = 44 ft
Weir Rate =
Average daily flow, gpd
Length of weir, feet
Q c•1000000
— 3.1 hours at design flow
NUM sc=1
ea
VOL scf = 5153 ft3
AREA sc = 573 ft2
Weir Rate = — 3361 gpd per foot at current flow
NUM sc sc
sc
Q id•1000000
Weir Rate = —6818 gpd per foot at design flow
NUM SC LENGTH sc
Suggested weir rate is less than 10,000 gpd per foot.
A-23

Overflow Rate = Average daily flow, gpd
Length of weir, feet
Overflow Rate =
Q ic'1000000
NUM sc•AREA sc
Q id•l000aoo
Overflow Rate = NUM .AREA
sc se
— 258 gpd per square foot at current flow
— 524 gpd per square foot at design flow
Suggested overflow rates are 300 to 400 gpd per square foot at average daily flow
and I000 to 1200 gpd per square foot at peak flow.
Clarifier Solids Loading Rate
Q is = 0.1479
Q rasc =0.1 9
NUM sc = 1
AREA sc = 573
mgd
mgd
ea
ft'
Q id =0.3
Q rasd 0.3
MI -SS abc = 5900
MI -SS abd = 2500
mgd
mgd
mg/1
mg/1
Average Solids Loading Rate at average daily flow = lbs solids/ft'/hr
',Q is Q rase) 'MESS abc•8.34
(NUM sc.AREA sc 1.24
— 1.21
lbs/ft2/hr at current flow
(Q id + Q rasd ).MLSS abd'8.34
— 0.91 lbs/ft-/hr at design flow
(NUM sc•AREA se) •24
Typical solids loading values for the activated sludge process vary from 0.8 to
1.2 Ibs/ft2/hour. The clarifer is in the design range at current and design flow.
A-24

Chlorination:
Q igc = 147900 mgd 1 Q id = 0.3 mgd
NUM ccb = 1 ea CLFEED lbsc = 2.5 Ibslday
VOL ccb = 3600 gallons
Contact time =
(Number of basins) x (Basin volume) x (24 hrs/day) x (60 minlhr)
Average daily flow, mgd
f VOL ccb
CONTACT et :- I
Q igc
•24.60
CONTACT ct = 35.1 minutes of contact time at current flow
/VOL
ccb
CONTACT dt :-I •24.60
Q igd
CONTACT dt = 17.3 minutes of contact time at design flow
The recommended chlorine contact time is 30 minutes at average daily flow.
A-25

Town of Conover
Southeast Plant No. 1
Wastewater Characteristics
c=current d=design i=influent e=effluent
Q is 0.1479 mgd Current influent flow
Q igc := 147900 gpd Current influent flow
Q id := 0.300 mgd Design influent flow
Q igd 300000 gpd Design influent flow
BOD is := 244 mg/1 Current influent BOD,
BOD id := 200 mg/I (Assumed) Design influent GODS
BOD ec := 3.9 mg/1 Current BOD, in effluent
BOD ed := 30 mg 1 (Assumed) Design GODS in effluent
NH Sic := 26.5 mg/I Current influent NH,
NH 3id := 25 mg/I (Assumed) Design influent NH,
SS is := 431 mg/I Current influent suspended solids
SS id := 200 mg/1 (Assumed) Design influent suspended solids
SS ec := 14.8 mg/I Current effluent suspended solids
SS ed := 30 mg/I (Assumed) Design effluent suspended solids
A-26

Aeration Basin
NUM abc '- 1 ea Number of aeration basins
VOL abc 173000 gal Volume of aeration basin
VOL abf := 23078 ft3 Volume of aeration basin
SOL abc 0.0059 percent Current solids concentration in aeration
basin
0.0025 percent Design solids concentration in aeration basin
SOL abd
SOL ras := 0.0098 percent Current solids concentration in return sludge
MLSS abc '= 5900 mg/I Current mixed liquor suspended solids
concentration in aeration basin
MLSS abd := 2500 mg/1 Design solids concentration in aeration basin
MLVSS abc := 4130 mg/I (Assumed) Current mixed liquor suspended solids
concentration in aeration basin
MLVSS abd := 1750 mg/I (Assumed) Design mixed liquor suspended solids
concentration in aeration basin
SETTL c := 470 ml Settleability
NUM abbc := 1 ea Current number of aeration blowers in use
NUM abbd := 2 ea Design number of blowers
HP abc '= 20 HP Horsepower of each blower motor
CFM ab := 400 cfm Flow rate of each blower in cubic feet per
minute
AERATOR := 5.0 psi
A-27
BIower discharge pressure

Secondary Clarification
NUM sc '= 1 ea Number of secondary clarifiers
VOL sc := 35000 gal Volume of secondary clarifier
VOL scf := 5153 ft3 Volume of secondary clarifier
ft2 Surface area of secondary clarifier
AREA sc := 573
LENGTH sc := 44.0 ft Total length of secondary clarifier weir
Q rascm '- 279 gPm Sludge recycle rate at current flow
Q rasdm := 00 gpm Sludge recycle rate at design flow
Q rasc '_ 0 190 mgd Sludge recycle rate at current flow
Q rasd '- n.3oo mgd Sludge recycle rate at design flow
SOLIDS cc := 0.0098 (0.98%) Solids in clarifier sludge at current flow
SOLIDS cd := 0.008 (0.8%) Solids in clarifier sludge for design flow

Chlorine Contact Tank
NUM ccb 1 ea Number of chlorine contact basins
VOL ccb 3600 gallons Volume of chlorine contact basin
CLFEED lbsc := 2.5 Ibs/day Chlorine feed rate
Sludge Holding
NUM si := 1 ea Number of sludge holding basins
VOL sif := 1960 ft' Volume of sludge holding basin
VOL sig := 14660 gal Volume of sludge holding basin
A-29

MISCEL

OPERATOR:
Date <..
MONTHLY REPORT FORM FOR ATED SLUDGE HOLDING TANK
MONTH: YEAR:
Waste Sludge to Tank
Waste Digested Sludge to
rna
Vol. Gal.
pH
TS mg/1
Vol. Gal. pH
TS%
VS%
Vol. Gal.
NH2-N mg/I
HOD5 mg/1 •
7
7
f
10
1t
•
12
14
If
•
•
16
17 •
111
1f
20
21
•
27
1!
74
24
21
2f
70
21
Arr.

OPERATOR:
DATE:
DODS, • MG/L•
MONTHLY REPORT FORM FO _ _ _ _ CTIVATED SLUDGE SYSTEM
MONTH: YEAR:
TSS. • MG/L
NIi3-N, MG/L •
AERATION BASIN
RETURN SLUDGE FLOW; MGD
INF.
EFF.
INF.
EFF.
INF.
EFF.
MLSS
MGIL
MLVSS
D.O.
CLARIFIER
SLUDGE BLANKET; FT
CLARIFIER
MG/L • -
MG/L
i
•
2;:•
7
to
u
!2
17
11
15
16
17
1f
70
21
22•.: .
23
u
2s
24
27
m
19
29

REQUIREMENTS FOR ACHIEVING CLASS "B" PATHOGEN
Sewage sludge that does not qualify as Class B Cannot be Iand applied. Class B, sewage sludge
must meet one of the following pathogen requirements:
1) The sewage sludge must be treated by a PSRP or PSRP equivalent process.
or
2) At least seven sewage sludge samples should be collected at the time of use or
disposal and analyzed for Fecal coliforms during each monitoring period. The
geometric mean of the densities of these samples will be calculated and should
meet the following criteria:
Less than 2,000,000 Most Probably Number per gram of total dry solids
(2,000,000 MPN/g TS).
Less than 2,000,000 Colony Forming Units per gram of total dry solids
(2,000,000 CFU/g TS).
In addition, for any land applied sewage sludge that meets Class B pathogen reduction
requirements, but not Class A, the site restrictions described earlier must be met.
PATHOGEN TREATMENT PROCESSES
Processes to Significantly Reduce Pathogens (PSRP)
1) Aerobic Digestion - Sewage sludge is agitated with air or oxygen to maintain aerobic
conditions for a mean cell residence time and temperature between 40 days at 20 ° and 60
days at 15°C.
2) Air Drying- Sewage sludge is dried on sand beds or on paved or unpaved basins for a
minimum of three months. during two of the three months, the ambient average daily
temperature is above 0°C.
3) Anaerobic Digestion - Sewage sludge is treated in the absence of air for a mean cell
residence time and temps between 15 days at 35 ° to 55 °C and 60 days at 20 °C.
4) Composting - Using either the within -vessel, static aerated pile, or windrow composting
methods, the temperature of the sewage sludge is raised to 40°C or higher for five days.
For four hours during the five days, the temperature in the compost pile exceeds 55 °C.
5) Lime Stabilization - Sufficient lime is added to the sewage sludge to raise the pH of the
sewage sludge to 12 after 2 hours of contact.
A-32

PATHOGEN TREATMENT PROCESSES
Processes to Further Reduce Pathogens (PFRP)
1) Composting - Using either within -vessel or static aerated pile composting, the
temperature of the sewage sludge is maintained at 55 ° C of higher for 15 days or longer.
During this period, a minimum of 5 windrow turnings are required.
2) Heat Drying - Sewage sludge is dried by direct or indirect contact with hot gases to
reduce the moisture content of the sewage sludge to 10% or lower. Either the
temperature of the gas in contact with the sewage sludge exceeds 80°C or the wet bulb
temperature of the gas in contact with the sewage sludge as the sewage sludge Ieaves the
dryer exceeds 80°C.
3) Heat Treatment - Liquid sewage sludge is heated to a temperature of 180 ° or higher for
30 minutes.
4) Thermophilic Aerobic Digestion - Liquid dewatered sewage sludge is agitated with air or
oxygen to maintain aerobic conditions and the mean cell residence time for the sewage
sludge is 10 days at 55 ° to 60°C.
5) Beta Ray Irradiation - Sewage sludge is irradiated with beta rays from an accelerator at
dosages of at least 1.0 megarad at room temperature (ca. 20°C).
6) Gamma Rav Irradiation - Sewage sludge is irradiated with gamma rays from certain
isotopes such as "Co and 137Ce, at dosages of at least 1.0 megarad at room temperature
(ca. 20 ° C).
7) Pasteurization - The temperature of the sewage sludge is maintained at 70°C or higher for
at least 30 minutes.
VECTOR ATTRACTION REDUCTION REQUIREMENTS
Vector attraction reduction reduces the potential for spreading of infectious disease agents by
vectors (Le., flies, rodents, and birds). The alternative methods for meeting the vector attraction
reduction requirement imposed by Part 503 include the following:
1) Aerobic or Anaerobic Digestion - Mass of volatile solids (VS) are reduced by 38% or
more. VS reduction is measured between the raw sewage sludge prior to stabilization and
the sewage sludge ready for use or disposal. This criterion should be readily met by
properly designed and operated anaerobic digesters, but not as readily by typical aerobic
digesters. POTWs with aerobic digesters may need to meet vector attraction reduction
requirement through Alternative 3 or Alternative 4 below.
2) Anaerobic Digestion - If 38% VS cannot be achieved, vector attraction reduction can be
A-33

demonstrated by further digesting a portion of the digested sewage sludge in a bench
scale unit for an additional 40 days at 30 ° to 37 ° C or higher and achieving a further VS
reduction of less than 17%.
3) Aerobic Digestion - If 38 % VS cannot be achieved, vector attraction reduction can be
demonstrating by further digesting a portion of the digested sewage sludge with a solids
content of 2% or less in a bench scale unit for an additional 30 days at 20°C and
achieving a further VS reduction of less than 15%.
4) Aerobic Digestion - Specific oxygen uptake rate (SOUR) is less than or equal to 1.5 mg
02/hr-gram of total solids (TS) at 20°C. If unable to meet the SOUR criteria , POTWs
may be able to satisfy Alternative 3.
5) Aerobic Processes - (e.g., composting) Temperature is kept at greater than 40°C for at
least 14 days and the average temperature during this period is greater than 45°C.
6) Alkaline Stabilization - pH is raised to at least I2 by alkali addition and, without the
addition of more alkali, remains at 12 or higher for 2 hours and then at 11.5 or higher for
an additional 22 hours.
7/8) Drying - TS is at Ieast 75% when the sewage sludge do not contain unstabilized primary
solids and at Least 90% when unstabilized primary solids are. included. Blending with
other materials is not allowed to achieve the total solids percent.
9) Infection - Liquid sewage sludge (or domestic septage) is injected beneath the surface
with no significant amount of sewage sludge present on the surface after 1 hour, except
for sewage sludges that are Class A for pathogen reduction, which shall be injected
within 8 hours of discharge from the pathogen reduction process. This alternative is
applicable to bulk sewage sludge land applied to agricultural land, forest, public contact
sites or reclamation sites; domestic septage land applied to agricultural Iand, forest or
reclamation sites; and sewage sludge or domestic septage placed in a surface disposal
site.
10) Incorporation - Sewage sludge (or domestic septage) that is land applied or placed in a
surface disposal site shall be incorporated into the soil within 6 hours of application,
except for sewage sludge that is Class A for pathogen reduction which is land applied
shall be incorporated within 8 hours of discharge from the pathogen reduction process.
A-34

DWO POINT SOURCE Fax:[phone] Nay 19 2004 10:45 P.01
IFFir-
+ S
CITY OF CONOVER
P.O. BOX 549
CONOVER, NC 28613-0549
April 14, 2004
Mr. Charles Weave
North Carolina Division of Water Quality
NEVES Permit Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
PUBLIC WORKS DEPARTMENT
Phone [phone]
7-firotliT
! u u APR 2 0 '2004
Subject: City of Conover SE WWTP Permit No,NC0024279
Dear Mr. Weaver:
The City of Conover is in the process of connecting the
flow from our SEWWTP (NC0024279) to the City of Newton's. Clark
Creek Plant, whic1 Conover owns a portion of. The NC State DOT
is constructing the highway 16 bypass through our plant site.
Our site has two treatment facilities with two discharge's. The
State DOT has al eady purchased the lower facility {discharge
001). The uppe facility (discharge 002) is planned to be
mothballed with he possibility of reopening in the future if
demand increases. The road construction will eliminate the lift
station and he dworks of plant 002 which would require
considerable construction, prior to reopening. The plant closing
date appears, at this time, to be July. We would request .at the
time of our plant closing, our permit NC0024279, be put on the
permit inactive 1.st until the time the City of Conover may need
to reopen it. Du to the disruption of present equipment, at
that time we wou d apply for authorization to construct to add
equipment necessa y to replace the equipment being elirriinated
with road constr cti.on. NC0024279 permit is due for renewal
April 30, 2005.
Please advise me if putting the SEWWTP discharge 002 ,on the
inactive list wil be possible, and if you need any, other
information.
If you have
[phone].
Sincerely,
r
40,
any questions or comments you may call me at
Michael Fox
Wastewater Supervisor
City of Conover
PI
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file:/1/Untitled
Charles,
I have discussed the contents of the letter you faxed me regarding Conover's plans to place the
SE WVVfP (NC0024279) on the Division's inactive list with Richard Bridgeman and John
Lesley. Based on the comments I received, we have no objections to the approval of their
request. The only issue that needed to be addressed is the restructuring of any pretreatment
permits that Conover may have that will have to be changed to reflect Newton as the receiving
authority. According to John Lesley, this matter has already been taken care through Debra
Gore in the Pretreatment Unit.
Such being the case, preceed accordingly.
Michael Parker - [e-mail]
Environmental Engineer II
North Carolina Dept. of Environment & Natural Resources
Division of Water Quality
919 N. Main Street
Mooresville, NC 28115
Ph: 704.663.1699 Fax: [phone]
1 of 1
5/25/04 2:54 PM

,�'� �' ? �, Michael F. Easley. Governor
-Os
North Carolina William G. Ross Jr_ Secretary
O1Department of -Environment and Natural Resources
Alan W.
Klimek. P. E. Director
Division of Water Quality
Cole n H. Sullins. Deputy Director
Division of Water Quality
March 26, 2004
Mr. Michael Fox
City of Conover
Post Office Box-549
Conover, NC 28613-0549
Subject: PAR Review
City of Conover
NPDES Permit No. NC0024279
Catawba County, NC
Dear Mr. Fox:
Mooresville Regional Office staffhas reviewed your Pretreatment Annual Report (PAR)
for the reporting period of January through December 2003. Based on the review, it appears that
the POTW completed the PAR in accordance with guidelines set forth in Chapter 9 of the
Comprehensive Guidance for North Carolina Pretreatment Proerams.
If you have any questions concerning your PAR, please do not hesitate to contact John
Lesley of this Office at [phone].
Sincerely,.
D. Rex Gleason, P.E.
---- Water Quality Regional Supervisor
Cc: Pretreatment Unit - Central Office
Central Files
JL
vorthCarolina
JVatrrrallg
MCDENR
N. C. Division of Water Quality, Mooresville Regional Office, 919 North Main Street, Mooresville NC 28115 [phone] ' Customer Servic
1-77-623-6748

CITY OF CONOVER
P.O. BOX 549
CONOVER, NC 28613-0549
July 29, 2003
PUBLIC WORKS DEPARTMENT
Mr. D. Rex Gleason P.E.
N.0 Department of Environment and Natural Resources
919 North Main Street
Mooresville, N.C. 28115
Phone [phone]
Subject City of Conover SEWWTP (NC0024279) Nov-2003-LV-0070
Dear Mr. Gleason;
JUL 3 2003
The City of Conover SEWWTP had a problem with balancing flow
between SEWWTP 001 and, 002 discharges for the month of March 2003.
This resulted in exceeding the flow limit on discharge 002. Discharge
001 had an average dailydischarge of 0.156 mgd with a discharge limit
of 0.300 mgd. Discharge 002 had an average daily discharge of 0.325
mgd, with a limit of 0.300 mgd. The actual combined daily discharge
average was 0.481 mgd. This value is 80% of the combined daily flow
limit of 0.600 mgd. The excessive amount of rain we received during
March added to the problem. Both facilities were in compliance with
all other parameters during this period. Since both of these
facilities share a common, influent, we have taken additional steps to
insure, better balance and control of influent volume to each facility.
We have stepped up, our infiltration, identification program to
hopefully reduce infiltration and. Inflow to the SEWWTP facility. These
facilities are scheduled to be, shut down in, winter 2003 and the flow
will be diverted to the City of Newton's Clark Creek Facility.
If you have any questions, comments, or need any further
information you may call me at [phone].
Michael Fox
Wastewater Treatment and Collection Supervisor
\vab

. s�.i=:-+.h } . + .+ U L A. rCG
�ArER
O QG
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment andNatural Resources
Alan W. Klimek, P. E., Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
CERL Ik I +;D MAIL
RETURN RECEIPT REQUESTED
Mr. Lloyd Beasley, City Manager
City of Conover
P.O. Box 549
Conover, NC 28613
Subject:
Dear Mr. Beasley:
July 16, 2003
Notice of Violation - Effluent Limitations
Conover Southeast WWTP
NPDES Permit No. NC0024279
Case No. NOV-2003-LV-0070
Catawba County
A review of the March 2003 .self -Monitoring report for the subject facility revealed a violation of the
following parameter:
Pipe Parameter Reported Value Limit
002 Flow
0.325 MGD 0.30 MGD FIN
Remedial,actions, if not already implemented, should be taken to correct any problems. The
Division of Water Quality may pursue enforcement actions for this and any additional violations. If the
violations are of a continuing nature, not related to operation and/or maintenance problems, and you
anticipate remedial construction activities, then you may wish to consider applying for a Special Order by
Consent. You may contact Richard Bridgeman of this Office for additional information.
If you have questions concerning this matter, please do not hesitate to contact Mr. Bridgeman or me
at 704/663-1699.
Sincerely,
D. Rex Gleason, P.E.
Water Quality Regional Supervisor
cc: Point Source Compliance/Enforcment Unit
RMB
Phone [phone]
Fax [phone]
Mooresville Regional Office, 919 North MainStreet, Mooresville, North Carolina 28115
NC0ENt
Customer Service
1-877-623-6748