WQCS00249_Compliance Evaluation Inspection_20230809

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Compliance Inspection Report
Permit: WQCS00249 Effective: 03/15/17 Expiration: 12/31/25 Owner: Onslow Water and Sewer Authority
SOC: Effective: Expiration: Facility: ONWASA Collection System
County: Onslow
Region: Wilmington
Contact Person: David M Mohr
Directions to Facility:
System Classifications: CS2,
Primary ORC: Donald J Sanderson
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Title: Engineering Dir
Certification: 1003895
Phone: [phone]
Phone: [phone]
WQ0034367 Onslow Water and Sewer Authority - Northwest Regional WWTP
WQ0009267 City of Jacksonville - City of Jacksonville WWTF
WQ0029945 Onslow Water and Sewer Authority - Summerhouse WWTF
WQ0023261 Onslow Water and Sewer Authority - Swansboro WWTP
NCO063029 Commanding Officer Marine Corps Base Camp Lejeune - Frenchs Creek
Advanced WWTP
WQ0019907 Onslow Water and Sewer Authority - Holly Ridge WWTF
Inspection Date: 08/09/2023 Do,E44XjhTjme 09:OOAM Exit Time: 12:30PM
Primary Inspector: Brian S WesC1.1AOAMA2445...
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Secondary Inspector(s): DocUsigned by:
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Reason for Inspection: Routine Inspection Type: Collection System Inspect Non Sampling
Permit Inspection Type: Collection system management and operation
Facility Status: 0 Compliant ❑ Not Compliant
Question Areas:
Miscellaneous Questions
Capital Improvement Plan
Inspections
Pump Stations
(See attachment summary)
General
Map
Spill Response Plan
Sewer & FOG Ordinances
Reporting Requirements
Spills
Page 1 of 6

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Permit: WQCS00249 Owner - Facility:Onslow Water and Sewer Authority
Inspection Date: 08/09/2023 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
Inspection Summary:
Routine compliance inspection with Justin Sanderson; his assistance during the visit is appreciated. Access was allowed to
all records and areas of the system requested. Please note individual comments in each section of the report and address
deficiencies as required. ONWASA is deemed compliant with permit no. WQCS00249
Page 2 of 6

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Permit: WQCS00249 Owner - Facility:Onslow Water and Sewer Authority
Inspection Date: 08/09/2023 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
General
Is there a properly designated primary ORC and at least one back-up of proper grade?
Are logs being reviewed by the system management or owner on a regular basis?
# What is that frequency?
# Are there any issues being addressed currently or any in the planning stages?
Is there a specific pump failure plan available for all pump stations?
Does plan indicate if pump parts/new pumps are in spare parts/equipment inventory?
Are new/significantly upgraded pump stations equipped with anti -corrosion materials?
Does the permittee have a copy of their permit?
# Is permit expiring within the next 6 months?
If Yes, has the Permittee applied for renewal?
Comment:
Sewer and FOG Ordinances
Is Sewer Use Ordinance (SUO) or other Legal Authority available?
Does it appear that the Sewer Use Ordinance is enforced?
Is there a Grease Control Program that legally requires grease control devices?
What is the standard grease trap cleaning requirement in the FOG ordinance?
Yes No NA NE
Yes No NA NE
■❑❑❑
■❑❑❑
■❑❑❑
Is Grease Control Program enforced via periodic inspections/records review? ❑ ❑ ❑
Is action taken against violators? ❑ ❑ ❑
# Have satellite systems adopted an equivalent or more stringent ordinance? ❑ ❑ ❑
Is grease/sewer education program documented with req'd customer distribution? ❑ ❑ ❑
# Are other types of education tools used like websites, booths, special meetings, etc? ❑ ❑ ❑
If Yes, what are they? (This can reduce mailing to annual.)
Website and mailing.
Comment: ONWASA has several full time inspectors for inspection/enforcement of grease ordinance;
inspections are documented
Capital Improvement Plan Yes No NA NE
Has a Capital (CIP) or System Improvement Plan been developed and adopted? ❑ ❑ ❑
Is it designated for wastewater only or does it have a dedicated section? ❑ ❑ ❑
Does CIP cover three to five year period of earmarked improvements? ❑ ❑ ❑
Does CIP include description of project area? ❑ ❑ ❑
Does CIP include description of existing facilities? ❑ ❑ ❑
Does CIP include known deficiencies? ❑ ❑ ❑
Does CIP include forecasted future needs? 0 ❑ ❑ ❑
Comment: CIP is updated annually; one of the current priority projects is sliplining in downtown Swansboro
(clay pipe) in order to reduce I&I issues
Page 3 of 6

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Permit: WOCS00249 Owner - Facility:Onslow Water and Sewer Authority
Inspection Date: 08/09/2023 Inspection Type : Collection System Inspect Non Sampling
Reason for Visit: Routine
Map
Yes No NA NE
Is there a overall sewer system map?
0
❑ ❑ ❑
Does the map include:
Pipe Type (GS/FM)
0
❑ ❑ ❑
Pipe sizes
0
❑ ❑ ❑
Pipe materials (PVC, DIP, etc)
0
❑ ❑ ❑
Pipe location
0
❑ ❑ ❑
Flow direction
❑
❑ ❑
Approximate pipe age
❑
❑ ❑
Pump station ID, location and capacity
0
❑ ❑ ❑
# Force main air release valve location & type
❑
❑ ❑
# Location of satellite connections
❑
❑ 0 ❑
Is the map being updated for changes/additions within 1 year of activation?
0
❑ ❑ ❑
Comment: Documentation shows at least 10% of system cleaned annually. 2022-Swansboro area,
2023-Holly Ridge, Piney Green areas
Reporting Requirements Yes No NA NE
# Have there been any sewer spills in the past 3 years? ❑ ❑ ❑
If Yes, were they reported to the Division if meeting the reportable criteria? ❑ ❑ ❑
If applicable, is there documentation of press releases and public notices issued? ❑ ❑ ❑
Is an Annual Wastewater Performance Report being filed with the Division, if required? ❑ ❑ ❑
Is the report being made available to all its sewer customers? ❑ ❑ ❑
# How is it being made available?
Comment: Two reportable spills in last two years. Doesn't appear to be any ongoing problem areas
Inspections Yes No NA NE
Are adequate maintenance records maintained? 0 ❑ ❑ ❑
Are pump stations being inspected at the required frequency? 0 ❑ ❑ ❑
# Is at least one complete functionality test conducted weekly per pump station? ❑ ❑ ❑
Is there a system or plan in place to observe the entire system annually? ❑ ❑ ❑
Is the annual inspection documented? ❑ ❑ ❑
# Does the system have any high -priority lines/locations? ❑ ❑ ❑
Are inspections of HPL documented at least every 6 months? ❑ ❑ ❑
Are new lines being added to the HPL list when found or created? 0 ❑ ❑ ❑
Comment: All PSs equipped with Missions telemetry system. Stations are documented to be inspected at
least weekly. Functionality tests for generator/power transfer and alarms systems are
conducted monthly. Generators (65 on -site, 5 portable, 3 bypass pumps) maintenance
contract with Power Secure
Spill Response Action Plan Yes No NA NE
Page 4 of 6

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Permit: WQCS00249 Owner - Facility:Onslow Water and Sewer Authority
Inspection Date: 08/09/2023 Inspection Type : Collection System Inspect Non Sampling
Reason for Visit: Routine
Is a Spill Response Action Plan available?
0
❑ ❑ ❑
Is a Spill Response Action Plan available for all personnel?
0
❑ ❑ ❑
Does the plan include:
24-hour contact numbers
❑ ❑ ❑
Response time
❑
❑ ❑
Equipment list and spare parts inventory
❑
❑ ❑
Access to cleaning equipment
❑
❑ ❑
Access to construction crews, contractors, and/or engineers
❑
❑ ❑
Source of emergency funds
❑
❑ ❑
Site sanitation and cleanup materials
❑
❑ ❑
Post-overflow/spill assessment
❑
❑ ❑
Does the Permittee appear to respond within 2 hours of first knowledge of a spill?
❑
❑ ❑
Comment:
Spllls Yes No NA NE
Is system free of known points of bypass? ❑ ❑ ❑
If No, describe type of bypass and location
Are all spills or sewer related issues/complaints documented? ❑ ❑ ❑
# Are there repeated overflows/problems (2 or more in 12 months) at same location? ❑ ❑ ❑
# If Yes, is there a corrective action plan? ❑ ❑ 0 ❑
Comment:
Pump Stations
Yes No NA NE
Please list the Pump Stations Inspected:
Visited PSs in the Swansboro area of system: Moore St, Bicentennial Park, Caspers, Shore Dr, Spring St,
Oyster Bay, Mt. Pleasant
# Number of duplex or larger pump stations in system
75
# Number of vacuum stations in system
0
# Number of simplex pump stations in system
8
# Number of simplex pump stations in system serving more than one building
0
How many pump/vacuum stations have:
# A two-way "auto polling" communication system (SCADA) installed?
75
# A simple one-way telemetry/communication system (auto -dialer) installed?
For pump stations inspected:
Are they secure with restricted access?
❑ ❑ ❑
Were they free of by-pass structures/pipes?
❑ ❑ ❑
Were wet wells free of excessive grease/debris?
❑ ❑ ❑
# Do they all have telemetry installed?
❑ ❑ ❑
Is the communication system functional?
0
❑ ❑ ❑
Page 5 of 6

DocuSign Envelope ID: EBA60048-C9AB-4550-AED4-DA24B09867C3
Permit: WQCS00249 Owner - Facility:Onslow Water and Sewer Authority
Inspection Date: 08/09/2023 Inspection Type : Collection System Inspect Non Sampling
Reason for Visit: Routine
Is a 24-hour notification sign posted ?
0
❑ ❑ ❑
Does the sign include:
Owner Name?
0
❑ ❑ ❑
Pump station identifier?
0
❑ ❑ ❑
# Address?
0
❑ ❑ ❑
Instructions for notification?
0
❑ ❑ ❑
24-hour emergency contact numbers?
0
❑ ❑ ❑
Are audio and visual alarms present?
0
❑ ❑ ❑
Are audio and visual alarms operable?
0
❑ ❑ ❑
# Is there a backup generator or bypass pump connected?
0
❑ ❑ ❑
If tested during inspection, did it function properly?
0
❑ ❑ ❑
Is the back-up system tested at least bi-annually under normal operating conditions?
0
❑ ❑ ❑
# Does it have a dedicated connection for a portable generator?
0
❑ ❑ ❑
# Is the owner relying on portable units in the event of a power outage?
0
❑ ❑ ❑
# If Yes, is there a distribution plan?
❑
❑ ❑
If Yes, what resources (Units/StaffNehicles/etc) are included in Plan?
# Does Permittee have the approved percentage of replacement simplex pumps?
❑
❑ ❑
Is recordkeeping of pump station inspection and maintenance program adequate?
0
❑ ❑ ❑
Do pump station logs include at a minimum
Inside and outside cleaning and debris removal? ❑ ❑ ❑
Inspecting and exercising all valves? ❑ ❑ ❑
Inspecting and lubricating pumps and other equipment? ❑ ❑ ❑
Inspecting alarms, telemetry and auxiliary equipment? 0 ❑ ❑ ❑
Comment: Please note items which need to be addressed at PSs inspected: Moore St -on site audible
alarm not functional, alarm floats need to be cleaned of grease which can affect fucnctionality;
Bicentennial Park -replace sign, audible alarm not functional; Caspers-replace sign, repair
overhead lighting; Shore Dr -no issues noted; Oyster Bay -no issues noted; Mt.
Pleasant -replace pump rails (excessive corrosion, one was completely disconnected from
mounting bracket. All backup power systems tested transferred power and operated normally.
Station grease is routinely pumped (monthly or as needed). Pumped grease is transferred to
the Swanboro WWTP drvina beds and then to the landfill
Page 6 of 6