NC0020389_Historical_NOV-2022-LV-0011

DIVISION OF WATER RESOURCES - CIVIL PENALTY ASSESSMENT
Violator: Town of Benson
Facility Name: Benson WWTP
Permit Number: NC0020389
County: Johnston
Case Number: LV-2022-0052
ASSESSMENT FACTORS
1) The degree and extent of harm to the natural resources of the State, to the public health, or to private
property resulting from the violation;
Weekly permit limit for ammonia nitrogen was exceeded by 365%. Weekly permit limit for BOD was exceeded by 62.9%.
Excessive nutrients and pathogens to surface waters.
2) The duration and gravity of the violation;
Both weekly permit limit exceedances occurred during the week ending 10.02.2021.
3) The effect on ground or surface water quantity or quality or on air quality;
Excessive nutrients and pathogens to surface waters.
4) The cost of rectifying the damage;
The cost of rectifying the damage is not given.
5) The amount of money saved by noncompliance;
It is believed that no money was saved by the noncompliance.
6) Whether the violation was committed willfully or intentionally;
It appears that the violations were not 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;
There have been three enforcement cases within the past year.
8) The cost to the State of the enforcement procedures.
$36.57
Roar z, Ze, 22-
ate Scoff Vinson, Regional Supervisor
O Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ

ROY COOPER
Gavr
ELIZABETH S. NSER
S"Uvy
S. DANIEL SMITH
IXrt
.= 1 i Y
Frederick D Nelson, Interim Manager Town
Town of Benson
303 E Church St
Benson, NC 27504-0069
NORTH CAROUNA
EavtranmvtWQua&y
January 4, 2022
SUBJECT: NOTICE OF VIOLATION & INTENT TO ASSESS CIVIL PENALTY
Tracking Number: NOV-2022-LV-0011
Permit No. NCO020389
Benson WWTP
Johnston County
Dear Mr. Nelson:
A review of the October 2021 Discharge Monitoring Report (DMR) for the subject facility revealed the violations
indicated below:
Limit Exceedance
Violations:
Sample
Limit
Reported
Location
Parameter Date
Value
Value
Type of Violation
001 Effluent
BOD, 5-Day (20 Deg. C) - 10/2/2021
7.5
12.22
Weekly Average Exceeded
Concentration (C0310)
001 Effluent
Nitrogen, Ammonia Total (as 10/2/2021
3
13.96
Weekly Average Exceeded
N) - Concentration (CO610)
A Notice of Violation/Intent to Issue Civil Penalty is being Issued for the noted violation of North Carolina General
Statute (G.S.) 143-215A and the facility's NPDES WW Permit. Pursuant to G.S. 143-215.6A, a civil penalty of
not more than twenty-five thousand dollars ($25,000.00) may be assessed against any person who violates or
fails to act in accordance with the terms, conditions, or requirements of any permit issued pursuant to G.S.
143-215.1.
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If you wish to provide additional information regarding the noted violation, request technical assistance, or
discuss overall compliance please respond in writing within ten (10) business day,4 after receipt of this Notice. A
review of your response will be considered along with any information provided on the submitted Monitoring
Report(s). You will then be notified of any civil penalties that may be assessed regarding the violations. If no
response is received in this Office within the 10-day period, a civil penalty assessment may be
prepared.
Remedial actions should have already been taken to correct this problem and prevent further occurrences in the
future. The Division of Water Resources may pursue enforcement action for this and any additional violations of
State law. 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.
Reminder: Pursuant to Permit Condition 6 in Section E, the Permittee is required to verbally notify the Regional
Office as soon as possible, not to exceed 24 hours, from first knowledge of any non-compllance at
the facility including limit violations, bypasses of, or failure of a treatment unit. A written report may
be required within 5 days if directed by Division staff. Prior notice should be given for anticipated or
potential problems due to planned maintenance activities, taking units off-line, etc.
If you have any questions concerning this matter or to apply for an SOC, please contact Mitchell Hayes of the
Raleigh Regional Office at 919-791-4200.
Sincerely,
}�dY2 Scott Vinson, Regional Supervisor
l/ Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources, NCDEQ
Cc: WQS Raleigh Regional Office - Enforcement File
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1 of 1 2/21/2022, 12:39 PM

NPDES PERMIT NO.: NCO020389
PERMIT STATUS: Active
FACILITY NAME: Benson W WTP
OWNER NAME: Town of Benson
GRADE: W W-4
eDMR PERIOD: 10-2021 (October 2021)
PERMIT VERSION: 5.0
CLASS: W WA.
ORC: Brien Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO
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Discharge Monitoring Report - Copy Of Record (COR_NC0020399_Ver_1.0_10 2021.pdf)

NPDES PERMIT NO.: NCO020389
FACILITY NAME: Benson WWTP
OWNER NAME: Town of Benson
GRADE: WW-4
eDMR PERIOD: 10-2021 (October 2021)
PERMIT VERSION: 5.0
CLASS: WW4.
ORC: Brian Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Active
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO (Continue)
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Discharge Monitoring Report - Copy Of Record(COR_NC0020389_Ver_1.0_10_2021.pdf)

NPDES PERMIT NO.: NCO020389
FACILITY NAME: Benson W WTP
OWNER NAME: Town of Benson
GRADE: W W-4
eDMR PERIOD: 10-2021 (October 2021)
PERMIT VERSION: 5.0
CLASS: WW-4.
ORC: Brian Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Active
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
SAMPLING LOCATION: EFFLUENT DISCHARGE NO.: 001 NO DISCHARGE*: NO (Continue)
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Discharge Monitoring Report - Copy Of Record(COR_NC0020389_Ver_1.0_I0_2021.pdf)

NPDES PERMIT NO.: NCO020389
FACILrrV NAME: Benson W WTP
OWNER NAME: Town of Benson
GRADE: WW4
eDMR PERIOD: 10-2021 (October 2021)
PERMIT VERSION: 5.0
CLASS: WW4.
ORC: Brian Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Active
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
SAMPLING LOCATION: INFLUENT DISCHARGE NO.: 001
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Discharge Monitoring Report - Copy Of Record(COR_NC0020389_Ver_1.0_10_2021.pdf)

NPDES PERMIT NO.: NCO020399
FACILITY NAME: Benson W WTP
OWNER NAME: Town of Benson
GRADE: W W-4
eDMR PERIOD: 10-2021 (October 2021)
COMPLIANCE STATUS: Com liar
PERMIT VERSION: 5.0
CLASS: W W-4.
ORC: Brian Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
CONTACT PHONE #: [phone]
PERMIT STATUS: Active
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
SUBMISSION DATE: 11292021
Electronically Certified by Brian Leavitt on 2021-11-24 14:43:00.436
ORC/Certifier S i g n a t u r e : B r i a n Leavitt Phone #:[phone] Date
I certify that this report is accurate and complete to the best of my knowledge.
The permittee shall report to the Director or the appropriate Regional Office any noncompliance that potentially threatens public health or the environment.
Any information shall be provided orally within 24 hours from the time the permittee became aware of the circumstances. A written submission shall also be
provided within 5 days of the time the permittee becomes aware of the circumstances. The written submission shall be made as required by part II.E.6 of the
NPDES permit.
Electronically Signed by Tim Robbins on 2021-11-29 12:23:58.16
Perm ittee/Submitter Signature: •••Tim Robbins Phone #:[phone] Date
Permittee Address: 770 Hannah Creek Rd Benson NC 27504 Permit Expiration Date: 04/302026
I 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 managed 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 are significant penalties for submitting false information, including the possibility of fines and imprisonment for
knowing violations.
CERTIFIED LABORATORIES
LAB NAME: Benson POTW Lab
CERTIFIED LAB #: #196; 2nd Lab Environment 1 # 10; 3rd Lab Mentech #27
PERSON(s) COLLECTING SAMPLES: Staff Names on file
PARAMETER CODES
Parameter Code assistance may be obtained by visiting https://deq.nc.gov/about/divisions/water-resources/edmr/user-documentation.
FOOTNOTES
Use only units of measurement designated in the reporting facility's NPDES permit for reporting data
+ No Flow/Discharge From Site: YES indicates that No Flow/Discharge occurred and, as a result no data is reported for any parameter on the DMR for the
entire monitoring period.
ORC on Site?: ORC must visit facility and document visitation of facility as required per 15A NCAC 8G .0204.
r** Signature of Permittee: If signed by other than the permittee, then delegation of the signatory authority must be on file with the state per 15A NCAC 2B
.0506(bx2XD).
Discharge Monitoring Report - Copy Of Record (COR NC0020389_Ver_1.0_10_2021.pdf)

NPDES PERMIT NO.: NC0020389
FACILITY NAME: Benson W WTP
OWNER NAME: Town of Benson
GRADE: WW4
eDMR PERIOD: 10.2021 (October 2021)
Report Comments:
PERMIT VERSION: 5.0
CLASS: WWvt.
ORC: Brian Peter Leavitt
ORC HAS CHANGED: No
VERSION: 1.0
PERMIT STATUS: Active
COUNTY: Johnston
ORC CERT NUMBER: 1007653
STATUS: Submitted
Friday 10/12021 results part of the plant upset due to mechanical failure issues the last week of September. High total nitrogen due to available mixing methods adding excess
oxygen while waiting for replacement parts.

Permit Enforcement History Details by Owner
Owner: Town of Benson
Facility: Benson WWTP
Permit: NCO020389
Region : Raleigh County : Johnston
Penalty Remission Enf Ent EMC
Assessment Penalty Enforcement Request Conf Remission Hearing
Case MR Approved Amount Costs Damages Received Held Amount Held
Number
EMC OAH Collection
Remission Remission MemoSent Total
Amount Amount To AGO Paid
2/21 /2022
1
Has
Balance Pmt
Due Plan
Case
Closed
LR-1990-017( 3/21/90 $150.00
$0.00
$0.00
$150.00
$0.00 No
5/24/90
WO-1993-001 10/14/93$7,000.00
$538.93
$0.00
$3,000.00
$0.00 $4,538.93
$3.000,00 No
11/16/92
LT-1996-0003 3/27196 $500.00
$0.00
$500.00
$0.00 No
4112/96
PC-1998-001: 6/17/99 $1,000.00
$443.21
$1,443.21
$0.00 No
8/3/99
LT-2002-0001 316102 $1,000.00
$0.00
$0.00
$1,000.00
$0.00 No
4/4/02
DV-2001-002: 6/5/02 $6,000.00
$286.85
$6,286.85
$0.00 No
7/25/02
LV-2003-018C 3117/03 $1.000.00
$48.91
$1,048.91
$0.00 No
4/4/03
LV-2005-033C 5-2005 10/3/05 $250.00
$40.73
$290.73
$0.00 No
10/27/0f
TX-2014-000' 12-2013 3/5/14 $3,000.00
$71.54
$3,071.54
$0.00 No
5/8/14
LV-2014-009f 8-2013 7/14/14 $500.00
$56.00
8/15/14
$0.00
$556.00
$0.00 No
8/14/15
LV-2014-010C 10-2013 7114114 $3,500.00
$56.00
8/15/14
$3,556.00
$0.00 No
8/14/15
LV-2014-0101 11-2013 7/14/14 $3,000.00
$56.00
8/15114
$3,056.00
$0.00 No
8/14/15
LV-2014-012£ 9-2013 10/10/14$3,000.00
$56.00
11/3/14
$3,066.00
$0.00 No
8114/15
LV-2017-031£ 7-2017 11/21/17$250.00
$31.76
$281.76
$0.00 No
12/20/17
LM-2018-000( 9-2017 1123/18 $325.00
$31.76
$356.76
$0.00 No
2/14/18
LM-2018-004: 6-2018 10/15/18$325.00
$32.36
$357.36
$0.00 No
11/9/18

LV-2018-029E 5-2018 12/12/18$2,000.00 $32.36
2/21/2022
2
$2,032.36 $0.00 No 12/31/1E
PC-2018-001! 1/18/19 $57,000.00 $608.90 3/1/19 5130/19 $0.00 9/12/19 $0.00 $57,608.90 $0.00 No 10/5/20
LV-2021-0132 2-2021 5/25/21 $1,000.00 $36.57 7/20/21 9/2/21 $500.00 $536.57 $0.00 No 9/21121
LM-2021-005: 6-2021 12/2121 $525.00 $36.57
$561.57 $0.00 No 12/21/21
LV-2022-0037 9-2021 1131/22 $2,000.00 $36.57 $2,036.57 No
Total Cases: 21 Total Penalty Amount: $93.325 Total Enforcement Cost: $2,501.02 Sum Of Total Paid:$90,289.45 Total Balance Due : $5,036.57
Sum of Total Case Penalties: $95.826.02 Total Penalties After Remissions : $95,326.02

DocuSign Envelope ID: D57B5FFD-136C-4BC7-9A1C-5788CF31DCOD
Permit NCO020389
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENTAL QUALITY
DIVISION OF WATER RESOURCES
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provisions of North Carolina General Statute 143-215.1, other lawful standards and
regulations promulgated and adopted by the North Carolina Water Quality Commission, and the Federal Water
Pollution Control Act, as amended, the
Town of Benson
is hereby authorized to discharge wastewater from a facility located at the
Benson Wastewater Treatment Facility
770 Hannah Creek Road (south of I-95)
Four Oaks
Johnston County
to receiving waters designated as Hannah Creek in the Neuse River Basin
in accordance with the discharge limitations, monitoring requirements, and other conditions set forth in Parts I, II,
III and IV hereof.
This permit shall become effective: May 1, 2021.
This permit and authorization to discharge shall expire at midnight on April 30, 2026.
Signed this day: April 12, 2021.
CDocuSlgned by: �1 A4.hKft,kVh
C484531431644FE...
for S. Daniel Smith, Director
Division of Water Resources
By Authority of the Environmental Management Commission

DocuSign Envelope ID: D57B5FFD-136C4BC7-9A1C-5788CF31DCOD
Permit NCO020389
PART
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
[15A NCAC 02B .0400 et seq., 02B .0500 et seq.] Grade IV Biological Water Pollution Control System
[15A NCAC 08G .0302]
Beginning on the effective date of this permit and lasting until expiration, the Permittee is
authorized to discharge treated wastewater from Outfall 001. Such discharges shall be limited and
monitored' by the Permittee as specified below:
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PARAMETER CHARACTERISTICS
Parameter Code
Monthly
Weekly
Daily
Measurement
Sample
Sample
Average
Average
Maximum
Frequency
Type
Location 2
Flow 50050
1.9 MGD
Continuous
RecordingInfluent
or
Effluent
otal Monthly Flow (MG) 3 82220
Monitor and Report
Monthly
Recorded or
Effluent
Calculated
OD day, 20°C C0310
April 1 —October 31)+
1
5.0 mg/L
7.5 mglL
Daily
Composite
Influent 8
Effluent
OD ember 1 —— March 31
C0310
November M
10.0 mg/L
15.0 mg/L
2/week 1+
Composite
Influent & Effluent
otal Suspended Solids C0530
SS ^
30.0 mg/L
45.0 mg/L
2lweek ++
Composite
Influent &
Effluent
monia (NH, as N) C0610
April 1 - October 31
1.0 mg/L
3.0 mg/L
Daily
Composite
Effluent
mmonia (NH, as N) C0610
November 1 - March 31
2.0 mg/L
6.0 mgli.
2/week 14
Composite
Effluent
H 00400
Between 6.0 and 9.0 standard units
Daily
Grab
Effluent
issolved Oxygen (mg/L) 00300
Daily Average a 6.0 mg/L
Daily
Grab
Effluent
Fecal Coliform 31616
eometric mean
200/100 mL
4001100 mL
2/week 1+
Grab
Effluent
Temperature (°C) 00010
Monitor and Report
Daily
Grab
Effluent
Conductivity (mohms/cm) 00094
Monitor and Report
Daily
Grab
Effluent
Total
TRCResidual Chlorine 50060
17 Ng/L
Daily
Grab
Effluent
KN (mg/L) 6 00625
Monitor and Report
Weekly
Composite
Effluent
03-N + NO2-N (mg/L) 6 00630
Monitor and Report
Weekly
Composite
Effluent
N (mg/L) 3,6 C0600
Monitor and Report
Weekly
Composite
Effluent
4M600
Monitor and Report (pounds/month)
Monthly
Calculated
Effluent
N Load 3
33,070 pounds/year (annual mass loading)r
Annually
Calculated
Effluent
Ov600
Total Phosphorus C0665
2.0 mg/L (Quarterly Average)6
Weekly
Composite
Effluent
Total Nickel 9 01067
62.1 Ng/L
1
1 558.9 pg/L
Monthly
Composite
Effluent
Chronic Toxicity 10 TGP3B
Monitor and Report
Quarterly
Composite
Effluent
Effluent Pollutant Scan NC01
Monitor and Report
See Footnote 11
Effluent
Total Hardness [as 00900
m IL 2
aCO(mg/L)
Monitor and Report
Quarterly
Composite
Effluent
issolved Oxygen (mg/L) 00300
Monitor and Report
Variable 2
Grab
U & D
Fecal Coliform (geometric
31616
Monitor and Report
Variable i
Grab
U & D
c
emperature (°C) 00010
Monitor and Report
Variable 2
Grab
U & D
Cont. on next page
Page 1 of 10

DocuSign Envelope ID: D57BSFFD-136C-4BC7-9A1C-5788CF31DCOD
Permit NCO020389
EFFLUENT LIMITS
MONITORING REQUIREMENTS
PARAMETER CHARACTERISTICS
Parameter Code
Monthly
Weekly
Daily
Measurement
Semple
sample
Average
Average
Maximum
Frequency
Type
Locadim
Conductivity (mohmslcm) 00094
Monitor and Report
Variable 2
Grab
U & D
Total Hardness [as 00900
Monitor and Report
Quarterly
Grab
U & D
Footnotes:
1. Submit discharge monitoring reports electronically using the NC DWR's eDMR application system. See
section A. (8.).
2. U: Upstream at the culvert on NCSR 1158. D: Downstream at NCSR 1227. Stream samples shall be
grab samples collected 3/Week from June to September and 1/Week during the remaining months of the
year. As a participant in the Lower Neuse River Basin Association, the instream monitoring requirements
as stated above are waived. Should your membership in the association be terminated, you shall notify
the Division immediately and the instream monitoring requirements specified in your permit shall be
reinstated.
3. Total Nitrogen Load is the mass quantity of Total Nitrogen (TN) discharged in a given period of time and
requires Total Monthly Flow (TMF). See condition A. (3.). Calculation of Total Nitrogen Loads.
4. The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15%
of the respective influent value (85% removal).
5. Total Residual Chlorine compliance is required if chlorine or chlorine derivative is used for disinfection.
The Division shall consider all effluent TRC values reported below 50 ug/1 to be in compliance with the
permit. However, the Permittee shall continue to record and submit all values reported by a North
Carolina certified laboratory (including field certified), even if these values fall below 50 ug/1.
6. For a given wastewater sample, Total Nitrogen (TN) = TKN + (NO3-N + NO2-N) where TKN is Total
Kjeldahl Nitrogen, and (NO3-N + NO2-N) is Nitrate and Nitrite Nitrogen.
7. Compliance with this limit shall be determined in accordance with conditions A. (4.) Annual Limits for
Total Nitrogen. and A. (5.) Total Nitrogen Allocations.
8. The quarterly average for total phosphorus shall be the average of composite samples collected weekly
during the calendar quarter (January -March, April -June, July -September, October -December).
9. Monitoring for Nickel shall be conducted in conjunction with the Chronic Toxicity monitoring.
10. Chronic Toxicity (Ceriodaphnia dubia) P/F at 90%: January, April, July, and October [see
condition A. (2.)]. Toxicity monitoring shall coincide with metals monitoring.
11. The permittee shall perform three Effluent Pollutant Scans during the term of this permit [see A.
(7•)]•
12. Effluent Total Hardness sampling shall be performed in conjunction with testing for hardness -
dependent metals (cadmium, copper, lead, nickel, silver, and zinc).
13. The permittee shall sample instream hardness upstream of the facility's discharge. The sample
shall be representative of the hardness in the receiving stream. If the permittee is a member of a
monitoring coalition program, sampling for instream hardness may be waived as long as the
monitoring coalition agrees to sample hardness at the nearest upstream location, at a minimum
frequency of quarterly, and the permittee has obtained approval from DWR-NPDES Permitting
Unit that the upstream station being monitored by the Coalition is representative of the receiving
stream for this discharge. The permittee is responsible for submitting instream hardness test
results with its permit renewal application package. If Coalition membership is cancelled or the
Coalition terminates instream hardness sampling at the approved station, the permittee will
immediately notify the Division and resume sampling for instream hardness upstream of its
discharge.
14. 2/week sampling must occur on any two non-consecutive days during the calendar week.
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Page 2 of 10