NC0027103_Sampling Inspection_20170609

ROY COOPER
Water Resources
ENVIRONMENTAL QUALITY
June 9, 2017
Tyler W Thomas
Town of Pembroke
100 Union Chapel Rd
Pembroke, NC 28372
SUBJECT: 5/11/2017 Compliance Sampling Inspection
Town of Pembroke
Pembroke WWTP
Permit No: NC0027103
Robeson County
Dear Mr Thomas:
Governor
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
Director
Enclosed please find a copy of the Compliance Sampling Inspection form from the inspection conducted
on 5/11/2017. The Compliance Sampling Inspection was conducted by Mark Brantley of the
Fayetteville Regional Office. The facility was found to be in Compliance with permit NC0027103. As a
reminder, preservation of the Waters of the State can only be achieved through consistent NPDES
Permit compliance.
Comments
• Facility was clean and neat in appearance at the time of the inspection.
• Maintenance and ORC logs were up to date. Bench sheets for the months of October 2016 and
January 2017 were compared to the monthly eDMR's and no transcription errors were found .
• As part of the inspection, samples were taken and sent to the NC Division of Water Resources
Laboratory for testing. The samples were collected using the facility's composite sampler.
Results for these samples are listed below:
Parameter
Results
BOD
5.4 mg/L
Coliform, MF Fecal
25 CFU/100
NH3 as N
0.05 mg/L
Total suspended solids
6.2 mg/L
• The bar screen was working but the braking controls that controlled the rake when descending
was not. If you have not already done so, please repair this unit so it can" be maintained in
working order.
•,: "Nothinr� Cotpares...t..._
State of North Carolina.] Water Resources I Regional Operations Section I Fayetteville Regional Office
225 Green Street, Suite 714 I Fayetteville, North Carolina 28301
910 433 3300 I Fax [phone] I www.ncwater.org/pws/

Please refer to the enclosed inspection report for additional observations and comments. If you or your
staff have any questions, please call me at 910-433-3320.
Sincerely,
xi/ 4-4"
Mark Brantley
Environmental Program Consultant
Division of Water Resources
Water Quality Regional Operations Section
cc: Tony Earl Baldwin, ORC
Central Files
Fayetteville Files

, United States Environmental Protection Agency
EPA 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 yr/mo/day Inspection
1 I 2I 2[ I 31 NC0027103 -111 121 17/05/11 117
Type
18. I s I•
IIII111
Inspector
19 i
Fac Type
s i 201
21111111III1111IIIII11111IIIIII[I
11II (66
`
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA
67 I I 70 13 .
1 71 I„ I 72 I„ i
�J
Reserved
73 I I �74 75�
I I I
1 1 1 1 1 1 180:
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES permit Number)
Pembroke WWTP
NCSR 1339 -
Pembroke NC 28372
Entry Time/Date
09:30AM 17/05/11
Permit Effective Date
16/08/01
Exit Time/Date
12:30PM 17/05/11
Permit Expiration Date
19/07/31
Name(s) of Onsite Representative(s)/Tities(s)/Phone and Fax Number(s)
///
Tony Earl Baldwin/ORC/910-385-1429/
Other Facility Data
Name,.Address of Responsible Official/Title/Phone and Fax Number •
Contacted
Tyler W Thomas,100 Union Chapel Rd Pembroke NC 28372/Town
Manager/910-521-9758/9105210492 No .
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit Flow Measurement � Operations & Maintenance Records/Reports
Self -Monitoring Program Sludge Handling Disposal Facility Site Review Effluent/Receiving Waters
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
Mark Brantley FRO WQ//910-433-3300 Ext727/
;-l7
,
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
Trent Allen FRO WQ//910 433 3300/ 02 /7
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page# 1

31
NPDES
NC0027103
I11 121
yr/mo/day
17/05/11
17
Inspection Type
18[j
(Cont.)
1
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Comments
Facility was dean and neat in appearance at the time of the inspection.
Maintenance and ORC logs were up to date. Bench sheets for the months of October 2016 and
January 2017 were compared to the monthly eDMR
As part of the inspection, samples were taken and sent to the NC Division of Water Resources
Laboratory for testing. The samples were collected using the facility
Parameter Results
BOD 5.4 mg/L
Coliform, MF Fecal 25 CFU/100
NH3 as N 0.05 mg/L
Total Suspended Solids 6.2 mg/L
Page# 2

Permit: NC0027103 Owner -Facility: Pembroke WWrP
Inspection Date: 05/11/2017 Inspection Type: Compliance Sampling
Operations & Maintenance
Is the plant generally clean withiacceptable housekeeping?
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable •
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment:
Permit
(If the present permit expires in 6 months or less). 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: The current permit expires July 31, 2019.
Record Keeping
Are records kept and maintained as required by the permit?
Is all required information readily available, complete and current?
Are all records maintained for 3 years (lab. reg. required 5 years)?
Are•analytical results consistent with data reported on DMRs?
Is the chain -of -custody complete?
Dates, times and location of sampling .
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete:rdo.they include all permit parameters?
Has the facility submitted its annual compliance report to users and DWQ?
(If the facility is = or > 5 MGD permitted flow) Do they operate 24R with a certified operator
on each shift?
Is the ORC visitation log available and current?
Is the ORC certified at grade equal to or higher than the facility classification?
Is the backup operator certified at one grade less or greater than the facility classification?
Is a copy of the current NPDES permit available on site?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑.
Yes No NA •NE
❑ ❑111❑
• ❑ ❑ ❑
❑ ❑ ■ ❑
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Yes No NA NE
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Page# 3

Permit NC0027103
Inspection Date: 05/11/2017
Owner - Facility: Pembroke WVVTP
Inspection Type: Compliance Sampling
Record Keeping
Facility has copy of previous year's Annual Report on file for review?
Comment:
Effluent Pipe
Is right of way to the outfall properly maintained?
Are the receiving water free of foam other than trace amounts and other debris?
If effluent (diffuser pipes are required) are they operating properly?
Comment:
Flow Measurement - Effluent
# Is flow meter used for reporting?
Is flow meter calibrated annually?
Is -the flow meter operational?
(If units are separated) Does the chart recorder match the flow meter?
Comment: Flow meter was last calibrated in January 2017 by Delta Systems.
Pump Station - Influent
Is the pump wet well free of bypass lines or structures?
Is the wet well free of excessive grease?
Are all pumps present?
Are all pumps operable? Are float controls operable?
Is SCADA telemetry available and operational?
Is audible and visual alarm available and operational?
Comment:
Bar Screens
Type of bar screen
a.Manual
b.Mechanical
Are the bars adequately screening debris?
Is the screen free of excessive debris?
Is disposal of screening in compliance?
Yes No NA NE
• ❑ ❑ ❑
Yes No NA NE
11 ❑ Cl ❑
IN ❑ ❑ ❑
❑ ❑ 1 ❑
Yes No NA NE
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Yes No NA NE
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Yes No NA NE
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Page# 4

Permit: NC0027103
Inspection Date: 05/11/2017
Owner -Facility: Pembroke WWTP
Inspection Type: Compliance Sampling
Bar Screens
Is the unit in good condition?
111
Yes No. NA NE
❑ ❑ ❑
Comment: The bar screen was working but the braking controls that controlled the rake when
descending was not. If you have not already done so please repair this unit so it can be
maintained in working order.
Grit Removal
Type of grit removal
a.Manual
b.Mechanical
Is the grit free of excessive organic matter?
Is the grit free of excessive odor?.
# Is disposal of grit in compliance?
Comment:
Secondary Clarifier •
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
Is the return rate acceptable (low turbulence)?
Is the overflow clear of excessive solids/pin floc?
Is the sludge blanket level acceptable? (Approximately of the sidewall depth)
Yes No NA NE
0
•
• ❑ ❑ ❑
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Yes No NA NE
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Comment: One clarifer was in operation and the other was not in service at the time of the inspection.
Oxidation Ditches
Are the aerators operational?
Are the aerators free of excessive solids build up?
# Is the foam the proper color for the treatment process'?
Does the foam cover less than 25% of the basin's surface?
Is the DO level acceptable?
Yes No NA NE
• ❑ ❑ ❑
• ❑ ❑ ❑
• ❑ ❑ ❑
MI ❑ ❑ ❑
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Page# 5

Permit: NC00271 03
Owner - Facility: Pembroke WWTP
Inspection Date: 05/11/2017 Inspection Type: Compliance Sampling
Oxidation Ditches
Are settleometer results acceptable (> 30 minutes)?
Is the DO level acceptable?(1.0 to 3.0 mg/I)
Are settelometer results acceptable?(400 to 800 ml/I in 30 minutes)
Comment: Aerators are rotated from hi to low as needed.
Disinfection -Gas
Are cylinders secured adequately?
Are cylinders protected from direct sunlight?
Is there adequate reserve supply of disinfectant?
Is the level of chlorine residual acceptable?
Is the contact chamber free of growth, or sludge buildup?
Is there chlorine residual prior to 'de -chlorination?
Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)?
If yes, then is there a Risk Management Plan on site?
If yes, then what is the EPA twelve digit ID Number? (1000- - )
If yes, then when was the RMP last updated?
Yes No NA NE
• ❑ ❑ ❑
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Yes No NA NE
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Comment: Both sides of the contact chamber were in operation. No sludge blanket was present at the
time of the inspection. A sludge judge was used to verify this.
De -chlorination
Type of system ?
Is the feed ratio proportional to chlorine amount (1 to 1)?
Is storage appropriate for cylinders?
# Is de -chlorination substance stored away from chlorine containers?
Comment:
Are the tablets the proper size and type?
Are tablet de -chlorinators operational?
Number of tubes in use?
Comment:
Influent S.amplinq
# Is composite sampling" flow proportional?
Is sample collected above side streams?
Yes No NA NE
• Gas
• ❑ ❑ ❑
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Yes No NA NE
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Page# 6

Permit NC0027103
Inspection Date: 05/11/2017
Owner - Facility: Pembroke VWVTP
Inspection Type: Compliance Sampling
Influent Sampling Yes No NA NE
Is proper volume collected? •❑ ❑ ❑
Is the tubing clean?
# Is proper temperature set for sample storage (kept at Tess than or equal to 6.0 degrees • ❑ ❑ ❑
Celsius)?
Is sampling performed according to the permit? • 0 ❑ ❑
Comment:
Effluent Samplinq Yes No NA NE
Is composite sampling flow proportional? •❑ 0 0
Is sample collected below all treatment units? • ❑ ❑ ❑
Is proper volume collected? •❑ ❑ 0
Is the tubing clean? •❑ ❑ ❑
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees Roo ❑
Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type ❑ 0 ❑
representative)?
Comment:
Upstream / Downstream Sampling
Is the facility sampling performed as required by the permit (frequency, sampling type, and
sampling location)?
Comment:
Yes No NA NE
❑ ❑ ❑
Page# 7

AC38661 North Carolina Division of Water Resources Water Sciences Section Laboratory Results
Loc. Descr.: PEMBROKE WWTP Effluent
County: ROBESON Collector. , M BRANTHEY VisitlD
Region: - FRO Report To FRO Location ID: FRO_NLC
River Basin Lumber Collect Date: 05/11/2017 Priority COMPLIANCE
Emergency Collect Time: • 10_45 , Sample Matrix: WASTEWATER
COC Yes/No Sample Depth - Loc. Type: Effluent
Final Report
If this report is labeled preliminary report, the results have not been validated. Do not use for Regulatory purposes.
Sample ID: AC38661
PO Number #
Date Received: 05/12/2017
Time Received: 08_15_
Labworks LoginlD TASCENZOI
Delivery Method NC Courier
Final Report Date: 5/24/17
Report Print Date: 05/24/2017
CAS # Analyte-Name
Sample temperature at receipt by lab
Result/
PQL Qualifier
LAB
2.1
Units
°C
Method Analysis
Reference _ Date Validated by
5/12/17 CGREEN
BOD, 5-Day in liquid 2.0
MIC
5.4 mg/ SM 5210 B-2001 5/12/17 ESTAFFORDI
Coliform, MF Fecal in liquid 1 25 Q1 CFU/100m1 SM 9222 D-1997 5/12/17 ESTAFFORD1
NH3 as N in liquid
NUT
0.02 0.05 mg/L as N EPA 350.1 REV 2 5/12/17 CGREEN
Residue_Suspended in liquid 6.2
WET
6.2 U mg/L SM 2540 D-1997 5/16/17 CGREEN
NoO2//o3
WSS Chemistry Laboratory» 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "U" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 1 of 1

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Oil and Grease, HEM, Total -Recoverable mg/L
Aluminum (Al) pg/L
Titanium (TO. pg/L
Alkalinity, as CaCO3,to pH 4.5/8.3 mg/L
Phenols, Total Recoverable pg/L
Antimony (Sb) , pg/L
Vanadium (V) pg/L
BCD: Biochemical Oxygen Demand, 5-day mg/L
Residue: Total. (Total Solids) mg/L
Arsenic (As) pg/L
Zinc (Zn) pg/L
cBOD: Carbonaceous BOD, 5-day mg/L
Residue: Volatile/Fixed, Total mg/L
Barium (Ba) pg/L
Coliform: Fecal MF /100m1
Residue: Suspended (Suspended Solids) mg/L
Beryllium (Be) pg/L
Boron (B), Total pg/L
Coliform: Total MF /10om1
Residue: Volatile/Fixed, Suspended mg/L
Cadmium (Cd) pg/L
Mercury 1631, low-level ng/L
Coliform: Tube Fecal /100m1
TDS - Total Dissolved Solids mg/L
Calcium (Ca) mg/L
Coliform: Tube Total /100m1
Silica mg/L
Chromium (Cr), Total pg/L
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Orgahig R3Carflete4ft' fi` >;i ;:-
Specific Conductance, at 25 °C umhos/cm
Sulfide mg/L
Cobalt (Co) pg/L
Acid Herbicides
TOC - Total Organic Carbon mg/L
Tannin & Lignin' mg/L
Copper (Cu) pg/L
Organochlorine Pesticides
Turbidity NTU
Iran (Fe) pg/L
Organonitrogen Pesticides
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Lead (Pb) pg/L
Organophosphorus Pesticides
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Wetcklemisiryparameters .. ,. - .11. 01 <,. ,k, (,F,t0
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-Lithium (Li) pg/L
PCBs•(po_'(ychlorinated biphenyls)
Bromide • mg/L
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Hardness, Total as CaCO3 - by titration mg/L
Magnesium (Mg) mg/L
Mr • '
Chloride mg/L
Manganese (Mn) pg/L
Semi -Volatile Organics (BNAs)
Fluoride mg/L
Mercury (Hg) pg/L
TPH Diesel Range
Sulfate mg/L
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9,iitrient :0ara0e00, h,. ,,w.. ,, `;; , v;
Molybdenum (Mo) pg/L
Chlorophyll a pg/L
Ammonia as N (NH3-N) mg/L
Nickel (Ni) pg/L
Volatile Organics (VOA)
Color: ADM] c.u.
-
Nitrate -Nitrite as N (NO3+NO2-N) mg/L
Potassium (K) mg/L
Color: Platinum Cobalt c.u.
Total Kjeldahl Nitrogen as N (TKN) mg/L
Selenium (Se) pg/L
TPH Gasoline Range
COD: Chemical Oxygen Demand mg/L
Total Phosphorus as P (TP) mg/L
Silver (Ag) pg/L
Cyanide, Total mg/L
Nitrite as N (NO2-N) mg/L
Sodium (Na) mg/L
PI
Biological, {,;:. 0... , a; „
Formaldehyde - mg/L
Nitrate as N (NO3-N calculated) mg/L
Strontium (Sr) pg/L
Phytoplankton / Algae
Hexavalent Chromium (Cr6+) mg/L
•
Orthophosphate as P (PO4) mg/L
Thallium (TI) - - pg/L
LAB COMMENTS :
Pa`rameters(oRhanal,
Revision: 2/06/2015