NC0083925_Compliance Evaluation Inspection_20190213

au VIMq,
s ,, ro
ROY COOPER . ),
r g .11(4i
Governor ,\ i _, ,
MICHAEL S.REGAN
''' ,
Secretary
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality _
Certified Mail#7013 1710 0002 1922 4099
Return Receipt Requested
February 13,2019
Shannon V.Becker RECi iVE ,r r
Aqua North Carolina,Inc. R/D�/i
202 Mackenan Court FEB
Cary,NC 27511 2019
NrWater
,�- (purees
Subject: Compliance Evaluation Inspection Report and Notice of Violation �ittin9 Section
NOV Tracking Number NOV-2019-PC-0071
• Salem Glen Subdivision WWTP
NPDES Permit NC0083925
Davidson County
Dear Mr.Becker:
On January 8,2019,Paul DiMatteo and Kelli Park of the Division of Water Resources(Division),Winston-Salem
Regional Office met with Samuel Pegram, Operator in Responsible Charge (ORC) to conduct a Compliance Evaluation
Inspection (hereafter referred to as the initial inspection) of the above referenced wastewater treatment plant. An
unannounced follow-up inspection was conducted by Mr. DiMatteo,Ms.Park,and Lon Snider on February 6,2019.
This inspection consists of(1)a review of the permit and accompanying documentation to determine compliance
with permit conditions,and(2)an on-site inspection of several collection system components.The attached inspection form
notes the areas that were evaluated for the inspection,with notable findings outlined as follows. Where relevant,this report
also contains comments to your response to the previous Notice of Deficiency at this facility,NOD-2018-PC-0296,which
was received on October 29,2018.
Summary of Noncompliance
1. Discharge of visible solids in other than trace amounts.
Part I,Section A.1 and Part I,Section A.2 both require that,in addition to the numerical limits placed on the effluent,
"there shall be no discharge of floating solids or visible foam in other than trace amounts." During the initial
inspection, a significant amount of solids were observed leaving the ultraviolet disinfection chamber. An aliquot
collected at the effluent sampler appeared very turbid,as shown in Figure 1.
2. Proper Operation and Maintenance.
Part II,Section C.2 requires, in part,that"the Permittee shall at all times properly operate and maintain all facilities
and systems of treatment and control(and related appurtenances) which are installed or used by the Permittee to
achieve compliance with the conditions of this permit."The following operational problems were noted during the
inspections and require immediate attention. See also the included pictures.
a. The foam in the northwestern train's aeration basin covered more than 50% of the basin during both
inspections.
b. Floating sludge was observed in both clarifiers during both inspections.
c. During the follow-up inspection, a thick layer of sludge covered the northwestern train's clarifier. Sludge
was observed flowing over the clarifier weirs and accumulating in the trough. Mr. Pegram said that he
thought there had been a1filamentous bacterial bloom,and that he planned to kill the bacteria with chlorine
-4 North Carolina Department of Environmental Quality I Division of Water Resources
..;,P Winston-Salem Regional Office 1450 Hanes MITI Road,Suite 300 I Winston-Salem,North Carolina 27103
336.776.9800

Salem Glen Subdivision WWTP, 1/8/2019, 2/6/2019
NOV-2019-PC-0071
and pump off the solids. Please note that any addition of chlorine during the treatment process will also
require effluent residual chlorine analysis.
3. Composite/Representative Sampling.
The previous Notice of Deficiency noted that the effluent composite sampler must be properly set for flow
proportional sampling. The response indicated that"the sampler has been set to flow proportional sampling."
During the initial inspection,the composite sampler appeared to be set to collect a 425 ml aliquot every 1 pulse,
with each pulse representing 600 gallons, and at most 96 aliquots per sampling event. The sample jug held
approximately 3 gallons. Using the average daily flow of 58,000 gallons,the sampler would thus pull 96 aliquots,
totaling 40.8 liters of sample throughout the day.This would appear to lead to an overflow of the sample jug after
only about 6 hours of sampler run time.
During the follow-up inspection,Mr. Pegram said that there was an issue with the composite sampler a few weeks
ago and he called another operator to help him set it up again. It was set to take an 80 ml aliquot every 3 pulses,
with each pulse being 600 gallons,and a maximum of 50 aliquots per sampling event. This alleviates many of the
issues identified in the initial inspection.However,it should be noted that each aliquot taken for compositing must
be at least 100 ml in volume.
Please note that Part II, Section D.1 requires that samples and measurement taken as required by the Permit"shall
be representative of the permitted discharge."Where composite effluent sampling is required,the Permit defines a
Composite Sample as "A sample collected over a 29-hour period by continuous sampling or combining grab
samples of at least 100 ml in such a manner as to result in a total sample representative of the wastewater discharge
during the sample period."(emphasis added).Care must be taken to ensure that these samples are representative of
the entire discharge for that period. Operators should be familiar with the operation of the composite sampler and
flow totalizer interface so that they are able to make adjustments when necessary(for example,it may be necessary
to increase each pulse volume to ensure that the sampler runs throughout the course of a 24 hour period when higher
than average flow is expected,or that at least 24 aliquots are obtained when lower than average flow is expected).
Other Items of Concern
• 4. Flow Measurement
The previous Notice of Deficiency indicated that the effluent flow meter appeared to be reading below the 10%
compliance threshold.The response indicated"We are having the calibration verified by a third-party vendor."
During the initial inspection,Mr.Pegram produced a flow meter calibration dated October 30,2018 by ClearWater,
Inc., in which the calibrator appeared to further adjust the meter's calibration down by 0.12 feet. When checked,
the head at the weir measured about 0.27 feet(table value 42.5 gpm), but the totalizer reported about 23 gpm, far
below the expected value.The inspector further noted that the monthly average flow in November 2018 was about
62%of the average monthly flow for the period 1/2016 through 10/2018, and about 88% of the monthly average
flow for the next-lowest month,which occurred in July 2018.
During the follow-up inspection, Mr. Pegram said that someone had since looked at the flow meter again. A
calibration report was not yet available. A measurement taken at the effluent weir measured about 0.30 ft(table
value 55.31 gpm); the flow meter reported about 60 gpm. The calibration now appears acceptable. Please ensure
that the flow measuring devices are at all times "maintained to ensure that the accuracy of the measurement is
consistent with the accepted capability of that type of device"(see Part II,Section D.3 of the Permit).
5. Standby Power
Power to the plant was interrupted during the initial inspection, but the standby generator did not come on. Mr.
Pegram contacted a vendor and requested that they evaluate the generator.When tested again during the follow-up
inspection,the generator came on and was capable of powering the entire plant.
Page 2 of 6

•
Salem Glen Subdivision WWTP, 1/8/2019,2/6/2019
NOV-2019-PC-0071
Conclusion
This Notice of Violation has been issued for the violations noted above.Please note that,pursuant to North Carolina
General Statute (G.S.) 143-215.6A, a civil penalty of not more than twenty-five thousand dollars ($25,000.00) may be
assessed against any person who violates or fails to act in accordance with the terms, conditions, or requirements of any
permit issued pursuant to G.S. 143-215.1. Your immediate attention is correcting these items is appreciated.If you wish to
provide additional information regarding the noted violations please submit a written response for review within fifteen(15)
business days after receipt.
If you have any questions concerning this report please contact Paul DiMatteo at(336)776-9691 or Lon Snider at
[phone].
Sin ely,
F.f She V.Knight,P.E.,Regional Supervisor
Water Quality Regional Operations Section
•
Winston-Salem Regional Office
Division of Water Resources,NCDEQ
Enclosures—Inspection Report(x2),Inspection Pictures
CC: WQS Winston-Salem Regional Office
ObES
Central Files Pfd0 ilia/'i
Laurie Ison,Aqua America,via email at [e-mail]
•
•
Page 3 of 6

Salem Glen Subdivision WWTP, 1/8/2019,2/6/2019
NOV-2019-PC-0071
Inspection Pictures
ir�t i.T
i�x' .``Pu
Pr\ Xri .. .. L1C, "^1
' -
¢ r A •'� y� °4r"' 1Sk�,,,, e4.1 — rn 4. *M
t 7 c :l,h r7 o . i`a. - a. .,'', ''4; • I''" .- ,
.. P
Iy ws�c,_ -.. `. • _YT,a
Figure 1 Aliquot taken from effluent composite sampler,1/8/2019,
,trAvr.,.. c . 71 `' A`
A. t ) 11 °.
°" ,"KAX j j'`'`wi' 4t, ' `Y E 11 ' x1t %y xieti r\ 4 \ \ 'J k` a
1ry''`
'".w,a"Nl 4 �;"& a'4,�,w��„�^!r 4 lt,fy�itx ��' � ,i
If'' :"6"I'lk\f:.• •- ‘',,t 11,1
`R ` + '0b.4•1? a`i .J‘,:,..,,1,"_,„, ',.A r"<4 , p" ',,a. p44tiW ;M',%fit +,(,, w'4),, 1
`fit., 4 �� q,,� O,r "!
jt'1"r 1 t t �i'\ft .3 L \c k� %, , \:,
,,040011„ 1/4
abv.f ,, tit,,,..41.48g, _;,... ,:_u.A 4Vaier::,1 . .
,ia;;.Y1 l~ .,e- "•.:`._...1:._.'. Yyr - _G Apt 4. .V.,.''' ';.'
Figure 2 Northwestern train's clarifier,1/8/2019.
Page 4 of 6

Salem Glen Subdivision WWTP, 1/8/2019,2/6/2019
NOV-2019-PC-0071
+:! .1 j r "-. s h I r `° ; '1 •1`�g7':}��` ,f"11 '' \'' Figures 3&4.View of the
•
✓,;.7 ..r . ',; ,'.-..,I y� t.`, ;1+,,. ,,,, +^�-ti�1, `: r / �y ciartjter's weirs(left)and
f, , ' ` > ,� r� rt!4t` b �` ,r , r aeration basin(right)during
,'( =. { t 71/ ��Y+t all �' 1 1 •
., ;° a 4 \,+ i, r� h�'k the 1/8/2019Inspection.
;13,
:i.,
:,.
,tQ 4 y L ill r ,\,.,
`4" r e.,.. .$, f 'h y, j/.T R +"'��/ild z �\i
x� a;s � ,M :, r 74 1 a"r ti%s'•� i r*"-/„*„'I!t �`' • i+
=.4- + , ,. ' ' �� '' r... ., Via,i
�, p . Jrz fI'r.iey+�'r'1•'' ��/( �1/"��,� {(,$1I
n.q ' .r-yam N 31 tea'• i/ / •/
if< r ,�4r,'. '/ I,7/4.7:0,
t . �li*_ 1 t
t s }T ''E ,' is'.,,,
r ' f v , ;
4...
°.1%.fir,•. `+ IVI ,rj'y`? '...4 .4.104, lA
... 'h ^'a Jd}y7 r �
L? yy} a, '. . y hv�'k _ •.- �"�" ,iEq� ',
ram ,'
s
• "✓ ° f a`. gyp, .
';;m.�r�+yi��y)y�'�te� y! Syr •�,'�1�F !'T�i: 9(' a r r��i
�.,,, S� ...1. (I• F�4i3 rJ'.k....* �4 'r�'4- ' �fu'tk A i'
'i` ; .' a'Z�fy ,. ,,I,y4 .,..azr+1'1 —_,,,•..^�'`— .....c., .t1. — ' r r+.�!
3 1
1 ,g .Y Vii'0.r ' Figure S(left).Aliquot taken from d�ass M �1' , � ‘f1 r 4 s
� . r ', 3;, .r effluent composite sampler during 1 F f
1 v, '.�+ --,. I' 2/6/19 inspection. VtfPkiZ'' r I r x, {4 -
,, i.
'; 11 a y, « ' ��, Figure 6(right).View of the , • '$ii,,,t. 1 .,5 w V
1 t°' .`•y, ;r'.' , , , northwestern train's clarifier weirs, ,t +r7, ' -, _ ;"
f 2/6/2019. p .,4 rout,
,! 5 a ,• ,. ,r . '' T¢f,` —T .. ._
�f..j K �.. n1~ ,
... ,,, ,., - L
:, ,
1
, .., 0110,, .,,A.D„. ...„., , e
“4., ...3-.., . ,---erforpg: ; ; r.olst; i
u l i*, '
,..,. _ ,,, `. . . r.., _ iec
4 .,
, - ,, ,
. of . •
L
A, 1 + 1
/
y 1 A I �" Lurk h5': 1' `4 c -vo. +7- _.P *`�4 A, � �! 'S x .iY��:Cf,l{•''j n
I r 4l 't`` RLYRAVIni..er;�4"y , o sr a,,,,,,1104, ,,,..„....cr.
` -I. ::%. fie 51 ,-
Page 5 of 6

Salem Glen Subdivision WWTP, 1/8/2019,2/6/2019
NOV-2019-PC-0071
t >wy ,„„ ,.,r h1 r :'NAs / i — ,.,_.. $T� 1" e' gip!f .�.� r M• .;r
> V,,,/ _ R f ' y:J{� A."�L�y "';. L tiny S 7.4'I.41;',-1 '' . ;.'t
• '+'J� p f Ms, t '5,.4 ,,,iv.`T,',. 'Sr-,-, 4 , ''re,..,_
\_ -' �1K.�f'f f , . •3f ..1
,S' , L Pr7 +ri . sit r " 8`t.a�4 ,' , "�—,. , , • _„ �. p:s ;:
. Y, �., ' 4tr �'t I Pw•r,.t tf s tr Lr 't _ fY'., ,
y.. �'Si. l '1 .1 .Y J,1,1 ..," ;°F{r .1�c,- M11.; t f + f,tl 4y , ,, Sy ..
4 t y,, R e- -,,- fi ,,fw.C..1 Y 4 ,,Yf.IX' i.- ,,, rv,�,;11i./1, .� t , �.'va y
• ILA ,6� 1'`',y' . +k, Apr v4%.<5' r�,1 ,fn11. t'z ,lild,8,0 p t n,,, a i ew e
rr5 v a�L;' l�� � R��yyb/ rry i,�,;.� /..,.s:r;f.�' aET"k', C Yr� 1 y.� ;tf
1 .t KJ 'YV.. '} / t J ,,,tv.' �)r 1 J1-1-",AX t� y �i f r p
rt... ', ry, -�: 3< , .' '::; tt'.'},6{i Y.� _ ''V tAz A' ' .''`'+,.�.�. `l�S.�'s"ct;',,4 ,ram;'
k*'C� 4/y,� ,�-•� �`3h,'. ' y1{ -a y $) {fr i.,��i�'ey �'Yi1/, 'iJ'-}); ,:_'N s"r �.1 .,-,f 1 •' 7,
4 1 ,'144 ix'. .'r -; q F ��)j/9 ii t a'f/�,.1 �W�,l� f :Iri M1�,�rr �y r • „rbt �r.��+a?r','`''
,-• 'fir .hasr Pls"f�yl�✓ tr�jrt t fi riffr 5,;"`�x»/s �1 'a > k 1 ' ,""�t:rf ,A �'''':' ,W '�%.e.',.,.'4?,r t.,'4✓ P%XL tS'} -g Mr, i ti' y� \i y<: rl
'� M,Lu+as,?y£g!'fkJ.4sAta `'`"'��1t▪ rrr,�•.,�� �t;,�,1
•
.,iw, - ..7•, b tr x t R r/ +z `R C ‘X,
? '�t. sd';o *•� '45g,.w d \ '. .r }t r gt •1 /F*, ).t • Wii.
lif'i.''''
f a ✓ ; ?1-' [�J• e '+ Mkt '�� ; '4ti
4j'j 1_.0 P �' ,y ,\, y"f� y r ,;t `I t..t LI 4
' l•. q. .,"*' 'ttr. '0 iøt
.. ‘ n . 1
r ` y 1
r•,, yA�y J;r; r ,,- 5 sr r. a ,1r,'it'f:-t 0n,.. •.q :d• -•,t.
Figure 7(top).Northwestern clarifier during 2/6/2019 inspection.
Figure 8(bottom).Aeration basin,2/6/2019.yy ,1 t f ..,:t' Wit' Jo! ,{, r'ar — - �� fN•ERf1 y -'
._*i--
ti• ,.,i- ' r , t fA. 1•.,Ri�l.4 fi4'C4�SM%Yfi..4 ..,. -_• /• f .' `�i�'.}/ (�1+4 �.,
{ ; _ i -, 2 y fig:,
-i1:.-'1.,.'A:'-...4 4•.
-Z.'.-,*.4,",,'/1:-w-,"S,'--.:
1 \ '.. ,y- p` 4. koii+ .1,+ �,r 7vfr• " 4j'• �,k4"`2�Cr Jt.+, F Y� 1' ^, •lj g, ;, _
• ''';�tS•• row 1 t ' 5 o w - `Jr .�
,0P.i.''f.'"_,,#)`.,.1.....'',.
:}, 'i�� }{ , J1i4. j/ �';.•1j riy'A^w7�'pR7'�L ).w''"' 4 L ( 1 ,. ,
j5 '"'y!V '�,rr+l�'c,n ah"^°" 'rya'r • ry'('���y,":tom 4F'4w r +,f,"i1 t'°".. *- fIY, , r't3 cr,,�.`. $
.i •'. (J }y,'t'i •��{�,.Y i, t 4 t .lYil 'f+wn,wY,y ,y' 1(41 ' .' .
y�y { t ;u,4< r K of 1
i,�l +: ,•tt4 `.'.,,rayh.G_A 'Nn'� f'{}3Y}� 11z" y47.t,rd- - i,F
z'
F ,.�* :rr( ri ;}Lt ,;L _ i !-+4,' d sib*' ,k?`• / ▪ '
tt
, AAA'' `-,,,.. :' •`"5
a"'4 '^:.rrr
`'' J
?,„„;','r, s✓ fr+1 w yt°J t t Jill: ''
Page 6 of 6

United Steles Environmental Protection Agency Form Approved
E PA Washington,D C.20460 • OMB No 2040-0057
Water Compliance Inspection Report Approval expires 8-31-98
Section A:National Data System Coding(i.e.,PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fac Type
2 IS I 3 I NC0083925 111 12 I 19/01/08 117 18 ILI a 19 1 c I 201
21III1 I I I I I III I I I I I I I I I I I I I I I I I I I I I I III I II 11166
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved `
67I I 70 LJ I —
I 71 I I 72 I ti I 73I I 174 75� I I I I I I l80
Section B:Facility Data
LJ
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES permit Number) 01 OOPM 19/01/08 19/01/01
Salem Glen Subdivision WWTP
Exit Time/Date Permit Expiration Date
5180 Dock Davis Rd I
03:30PM 19/01/08 23/12/31
Clemmons NC 27012
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
///
Samuel E.Pegram/ORC/704-489-9404/
Name,Address of Responsible Officiaritle/Phone and Fax Number
Contacted
Joseph R Pearce,202 Mackenan Crt Cary NC 27511/Director of
Operations/919-653-6964/9194601788 No
Section C:Areas Evaluated During Inspection(Check only those areas evaluated) ,
II Permit El Flow Measurement El Operations&Maintenance III Records/Reports
111 Self-Monitoring Program El Sludge Handling Disposal Facility Site Review II Effluent/Receiving Waters
III Laboratory
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/Office/Phone and Fax Numbers Date
Kell]A Park WSRO WQ//336-776-9689/
Paul DiMatteg j ' WSRO WQ//336-776-9691/
11411
Signature of Manal ant Q Reviewer Agency/Office/Phone and Fax Numbers Date
( 349
EPA Form 3560-3 :v 9-94)Previous editions are obsolete.
Page# 1

NPDES yr/mo/day Inspection Type 1
31 NC0083925 I11 121 19/01/08 117 18 Lcj
Section D Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
f
}
. f
}
Page# 2

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision W1NTP
Inspection Date: 01/08/2019 Inspection Type: Compliance Evaluation
c
Operations&Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? • ❑ ❑ 0
Does the facility analyze process control parameters,for ex: MLSS,MCRT,Settleable • 0 0 ❑
Solids,pH,DO,Sludge Judge,and other that are applicable'?
Comment:
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new 0 0 II 0
application?
Is the facility as described in the permit? • ❑ ❑ ❑
.#Are there any special conditions for the permit'? 0 M 0 0 ,_
Is access to the plant site restricted to the general public? • 0 0 0
Is the inspector granted access to all areas for inspection? • ❑ ❑ 0
Comment:
Record Keeping Yes No NA NE
Are records kept and maintained as required by the permit? MI 0 0 0
Is all required information readily available,complete and current? E ❑ 0 ❑
Are all records maintained for 3 years(lab.reg. required 5 years)? • 0 ❑ 0
Are analytical results consistent with data reported on DMRs? IN 0 0 0
Is the chain-of-custody complete? • 0 0 ❑
Dates,times and location of sampling III
Name of individual performing the sampling III
Results of analysis and calibration •
Dates of analysis
Name of person performing analyses
Transported COCs •
Are DMRs complete.do they include all permit parameters'? MI 0 0 ❑
Has the facility submitted its annual compliance report to users and DWQ9 ❑ ❑ • ❑
(If the facility is=or>5 MGD permitted flow)Do they operate 24/7 with a certified operator 00110
on each shift?
Is the ORC visitation log available and current? • 0 0 0
Is the ORC certified at grade equal to or higher than the facility classification'? • 0 0 0
Is the backup operator certified at one grade less or greater than the facility classification? • 0 ❑ 0
Is a copy of the current NPDES permit available on site? • 0 0 0
Page# 3

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWTP
Inspection Date: 01/08/2019 Inspection Type: Compliance Evaluation
Record Keeping Yes No NA NE
Facility has copy of previous year's Annual Report on file for review? ❑ ❑ IN ❑
Comment: Checked DMRs for 8/2017 and 7/2018. No issues were noted.
Effluent Pipe Yes No NA NE
Is right of way to the outfall properly maintained? • El ❑ El
Are the receiving water free of foam other than trace amounts and other debns? 0 0 0
•
If effluent (diffuser pipes are required) are they operating properly? 0 0 MI El
Comment:
Flow Measurement-Effluent Yes No NA NE
#Is flow meter used for reporting? • ❑" El ❑
Is flow meter calibrated annually? EDO 0
Is the flow meter operational? • 0 El ❑
(If units are separated)Does the chart recorder match the flow meter? ❑ ❑ • 0
Comment: Flow is measured over a 90-degree v-notch weir.A measurement at the weir plate read
-'0.27 feet(table value 42.5 gpm). but the flow at the ISCO Signature totalizer read--23.11
gpm.A calibration record from ClearWater dated 10/30/2018 adjusted the ultrasonic level
sensor's reading down by 0.12 feet.The totalizer is reading much below the 10%
compliance threshold.Also,there were solids accumulated in the chamber immediately
before the weir. Finally, a significant amount of floc and solids were observed flowing over
the effluent weir.
Pump Station -Effluent Yes No NA NE
Is the pump wet well free of bypass lines or structures? • ❑ ❑ ❑
Are all pumps present? • ❑ 0 ❑
Are all pumps operable? • ❑ ❑ ❑
Are float controls operable? • ❑ ❑ ❑
Is SCADA telemetry available and operational? • ❑ ❑ ❑
Is audible and visual alarm available and operational? • 0 ❑ 0
Comment:
Bar Screens Yes No NA NE
Type of bar screen
a.Manual �
b.Mechanical ❑
Page# 4

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWTP
Inspection Date: 01/08/2019 Inspection Type: Compliance Evaluation .
Bar Screens Yes No NA NE .
Are the bars adequately screening debris? • ❑ 0 0
Is the screen free of excessive debris? 11 0 0 0
Is disposal of screening in compliance? M 0 0 0
Is the unit in good condition? • 0 0 0
Comment:
Equalization Basins Yes No NA NE
Is the basin aerated? 11 0 0 0
Is the basin free of bypass lines or structures to the natural environment? III 0 0 0
Is the basin free of excessive grease? • 0 0 0
Are all pumps present? • 0 0 0
Are all pumps operable? Il 0 0 0
Are float controls operable? • 0 0 0
Are audible and visual alarms operable? ❑ 0 0 •
#Is basin size/volume adequate? 0 0 0 11
Comment
Secondary Clarifier Yes No NA NE
Is the clarifier free of black and odorous wastewater? 0 11 0 0
Is the site free of excessive buildup of solids in center well of circular clarifier? 0 0 • 0
Are weirs level? U 0 0 ❑
Is the site free of weir blockage? 11 0 0 0 i
Is the site free of evidence of short-circuiting? 0 0 0 0
Is scum removal adequate?, ❑ II 0 0
Is the site free of excessive floating sludge? 0 11 ❑ 0
Is the drive unit operational? 0 0 111 0
Is the return rate acceptable(low turbulence)? 0 0 0 •
Is the overflow clear of excessive solids/pin floc? ❑ 11 0 0
Is the sludge blanket level acceptable?(Approximately%4 of the sidewall depth) 0 0 ❑ •
Comment: There was a significant amount of floating sludge in the northern train's secondary clarifier.
Solids were observed accumulating along and flowing over the clarifier's weir.
Aeration Basins Yes No NA NE
Mode of operation Ext.Air
Page# 5

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWTP
Inspection Date: D1/08/2019 Inspection Type: Compliance Evaluation
Aeration Basins Yes No NA NE
Type of aeration system Jet
Is the basin free of dead spots? • 0 0 ❑
Are surface aerators and mixers operational? 0 0 • 0
Are the diffusers operational? 0 0 • 0
Is the foam the proper color for the treatment process? • ❑ ❑ ❑
Does the foam cover less than 25%of the basin's surface? 0 • 0 ❑
Is the DO level acceptable? 0 0 0 •
Is the DO level acceptable?(1.0 to 3.0 mg/I) 0 0 0 •
Comment: The northern train's aeration basin had a significant amount of thick foam(-50%of the
basin).
Disinfection -UV Yes No NA NE
Are extra UV bulbs available on site? • 0 0 0
Are UV bulbs clean? • 0 0 0
Is UV intensity adequate? MEIDEI
Is transmittance at or above designed level? • 0 0 0
Is there a backup system on site? • 0 0 0
Is effluent clear and free of solids? ❑ 11 ❑ ❑
Comment: A significant amount of solids were observed in a grab sample taken after disinfection.
Standby Power Yes No NA NE
Is automatically activated standby power available? •I' 0 0 0
Is the generator tested by interrupting primary power source'? • ❑ ❑ ❑
Is the generator tested under load? • ❑ ❑ ❑
Was generator tested&operational during the inspection?
0 • ❑ ❑ i
Do the generator(s)have adequate capacity to operate the entire wastewater site? ❑ 0 0 •
Is there an emergency agreement with a fuel vendor for extended run on back-up power? 0 ❑ ❑ •
Is the generator fuel level monitored? 0 0 0
Comment: Power was interrupted to the plant but the generator did not come on. Mr. Pegram contacted
someone to come out and make necessary repairs.
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional? 0E100
Is sample collected below all treatment units? • 0 0 0
Page# 6
•

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWTP
inspection Date: 01/08/2019 Inspection Type: Compliance Evaluation
Effluent Sampling Yes No NA NE
. I
Is proper volume collected? ❑ • ❑ ❑ j
Is the tubing clean? 111 ❑ ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees • ❑ ❑ ❑
Celsius)?
Is the facility sampling performed as required by the permit(frequency,sampling type • ❑ ❑ ❑
representative)?
Comment: Effluent composite sampler was set to sample every pulse,with a maximum of 96 samples
in a 24 hour period. One pulse was 600 gallons.An aliquot pulled at the effluent sampler
measured--425 ml. 96 samples*600 gallons per sample=>the sampler will finish after
57.600 gallons. It should be noted that the monthly average reported flow for this facility
exceeded 57,600 gallons in 23 out of 36 of the months from 1/2016 through 11/2018.Thus,
the sampler will finish in less than 24 hours on the average case.Additionally. 96 aliquots*
425 ml/aliquot=40,800 ml(10.7 gallons) of sample volume collected, but the sample
container only held about 3 gallons. Mr Peqram said that the sample jug was often very
close to full when the sample was collected the next day.
•
Page# 7

•
United States Environmental Protection Agency Form Approved.
E PA Washington,D C 20450 OMB No 2040-0057
Water Compliance Inspection Report Approval expires 8-31-98
Section A:National Data System Coding(i.e.,PCS)
Transaction Code NPDES yr/mo/day Inspection Type Inspector Fee Type
1 (,, I 2 I5 I 3 I NC0083925 111 12 I 19/02/06 117 18 I I 19 LI 201 I
21I II I I 1 I I I I II I I I I I I I I I I I I I I I I I I I I I I I II I I I I 1166
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA -Reserved
671 I 70 LI 71 Ii 72 I N I 73 I I I74 7511 I I I I I I 180
Section B:Facility Data LI ,
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES Permit Number) 10.00AM 19/02/06 19/C11/01
Salem Glen Subdivision WWTP
Exit Time/Date Permit Expiration Date r
5180 Dock Davis Rd
11:15AM 19/02/06 23/12/31
Clemmons NC 27012
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
///
Samuel E Pegram/ORC/704-489-9404/
Name,Address of Responsible Official/Title/Phone and Fax Number
Contacted
Joseph R Pearce,202 Mackenan Crt Cary NC 27511/Director of
Operations/919-653-6964/9194601788 No
Section C:Areas Evaluated During Inspection(Check only those areas evaluated)
III Permit in Flow Measurement Operations&Maintenance II Records/Reports
II Self-Monitoring Program Facility Site Review II Effluent/Receiving Waters Laboratory
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/Office/Phone and Fax Numbers Date
Lon Snider Division of Water Quality//336-776-9701i
Kelli A Park ' ) n I / J � WSRO WQ/1336-776-9689/ 1 Q
Paul DiMatteo � � + i�{/�a{/\� WSRO WQ//336-776-9691/ r7
Signature of Man \mentt A eviewer Agency/Office/Phone and Fax Numbers Date
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete.
Page# 1

NPDES yr/mo/day Inspection Type (Cont.) 1
31 NC0083925 I11 121 19/02/06 117 18 I
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
An unannounced follow up inspection was conducted on February 6. I informed the ORC of the
impending inspection at approximately 9:00 am and arrived at the facility at 9:30 am. I was joined by
Kelli Park and Lon Snider. On arrival, a man pulled up who said he was a contractor for Aqua working
on a panel in the back(it looked like the electrical panel for the effluent pump station was replaced). He
left the gate to the plant unlocked but we did not enter.We walked down to the effluent pipe, which was
still under water but not as much as during the last inspection,and then waited outside the plant until
the operator arrived at approximately 10:30 am.
The primary purpose of the inspection was to get an update on the condition of the plant,verify whether
or not the effluent sample bottle had overflowed,and verify the flow meter's calibration again.
There was a thick layer of sludge floating on top of the clarifier, and had even accumulated after the
overflow weirs. Mr. Pegram said that filamentous bacteria cropped up over the weekend. He said he
planned to use chlorine to kill them and add some dechlor tablets.
Mr. Pegram said that someone with ClearWater was out on Monday to again check the flow meter. I
measured approximately 0.30 feet of head at the weir(table value 55.31 gpm)-flow totalizer measured
approximately 60 gallons.This appears acceptable.
Mr. Pegram also said that there was a problem with the sampler a week or so ago and he called a
fellow operator and had him help set up the sampler. It appeared to be set to sample 80 ml every 3
pulses,with a maximum of 50 aliquots per sampling event.The jug appeared to have about 1 gallon of
sample or less in It.This set up appears acceptable,with the exception that the aliquot must be at least
100 ml in volume.
Power was interrupted to the plant and the backup generator came on and was capable of running the
plant. •
Page# 2

Permit: NC0083925 Owner-Facility: Salem Glen SubdivisionWiNTP
Inspection Date: 02/06/2019 Inspection Type: Compliance Evaluation
- Operations& Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? II 0 0 ❑
Does the facility analyze process control parameters,for ex. MLSS,MCRT,Settleable 0 0 ❑ •
Solids,pH, DO,Sludge Judge,and other that are applicable?
Comment:
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new • ❑ ❑ 0
application?
Is the facility as described in the permit? • 0 0 0
#Are there any special conditions for the permit? ❑ III ❑ ❑
Is access to the plant site restricted to the general public? M 0 0 ❑
Is the inspector granted access to all areas for inspection? • 0 0 ❑
Comment'
Effluent Pipe Yes No NA NE
Is right of way to the outfall properly maintained? • ❑ ❑ 0
Are the receiving water free of foam other than trace amounts and other debris? 0 0 ❑ •
If effluent (diffuser pipes are required) are they operating properly? 0 0 MI 0
Comment: Effluent Dive was still under water.
Flow Measurement-Effluent Yes No NA NE
#Is flow meter used for reporting? • ❑ ❑ 0
Is flow meter calibrated annually? • 0 0 0
Is the flow meter operational? 0 0 ❑
(If units are separated)Does the chart recorder match the flow meter? • ❑ 0 ❑
Comment: -
Secondary Clarifier Yes No NA NE
Is the clarifier free of black and odorous wastewater? ❑ MI 0 ❑
Is the site free of excessive buildup of solids in center well of circular clanfier? - 0 ❑ M ❑
Are weirs level? • ❑ 0 0
Is the site free of weir blockage? • ❑ 0 ❑
Is the site free of evidence of short-circuiting'? IN 0 0 ❑
Is scum removal adequate? ❑ • 0 ❑
Page# 3

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWII'
Inspection Date: 02/08/2019 Inspection Type: Compliance Evaluation
Secondary Clarifier Yes No NA NE
Is the site free of excessive floating sludge? 0 • ❑ 0
Is the drive unit operational? 0 0 • 0
Is the return rate acceptable(low turbulence)? 0 0 0 •
Is the overflow clear of excessive solids/pin floc? 0 • 0 0
Is the sludge blanket level acceptable?(Approximately%4 of the sidewall depth) 0 0 0 III
Comment: There was a thick laver of sludge floating on top of the northern train's clarifier.
Aeration Basins Yes No NA NE
Mode of operation Ext.Air
Type of aeration system Jet
Is the basin free of dead spots? • ❑ ❑ ❑
Are surface aerators and mixers operational? • 0 0 0
Are the diffusers operational? 0 0 0
Is the foam the proper color for the treatment process? • 0 0 0
Does the foam cover less than 25%of the basin's surface? ❑ III ❑ ❑
Is the DO level acceptable? 0 0 0 U
Is the DO level acceptable?(1 0 to 3.0 mg/I) ❑ 0 0 •
Comment: The foam in the northern train appeared to cover>50%of the basin. Southern basin had
much less foam.
Standby Power Yes No NA NE
Is automatically activated standby power available? • ❑ ❑ ❑
Is the generator tested by interrupting primary power source? MI ❑ ❑ ❑
Is the generator tested under load? ❑ ❑ ❑
Was generator tested&operational during the inspection? • ❑ ❑ ❑
Do the generator(s)have adequate capacity to operate the entire wastewater site? ❑ ❑ ❑
Is there an emergency agreement with a fuel vendor for extended run on back-up power? ❑ ❑ ❑
Is the generator fuel level monitored? ❑ 0 0 •
Comment:
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional? • 0 0 ❑
Is sample collected below all treatment units? • ❑ 0 0
Page# 4

Permit: NC0083925 Owner-Facility: Salem Glen Subdivision WWTP
Inspection Date: 02/013/2019 Inspection Type: Compliance Evaluation
Effluent Sampling Yes No NA NE
Is proper volume collected? ❑ • ❑ ❑
Is the tubing clean? • ❑ ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees II ❑ ❑ ❑
Celsius)?
Is the facility sampling performed as required by the permit(frequency,sampling type MEDD
representative)?
Comment: See summary.Sample volume should be at least 80 ml.
Page# 5