WQCS00073_Inspection_20200221

Permit: WQCS00073
SOC:
County: Harnett
Region: Fayetteville
Contact Person: Dean Gaster
Directions to Facility:
Compliance Inspection Report
Effective: 11/01/17 Expiration: 10/31/25 owner: City of Dunn
Effective: Expiration: Facility: Dunn Collection System
PO Box 1065
System Classifications: CS2,
Primary ORC: William Alexander Cottle
Secondary ORC(s):
Juan Carlos Campos
On -Site Representative(s):
Related Permits
NC0043176 City of Dunn - Dunn WWTP
Title: Public Works Director
Certification: 989867
1003843
Dunn NC 28335
Phone: [phone]
Phone: [phone]
910-892-2948
Inspection Date: 02/20/2020
Entry Time: 09:30AM Exit Time:
02:OOPM
Primary Inspector: Stephanie Zorio
DoCusigned by:
Phone: [phone]
Secondary Inspector(s):
A99704FAED5D494...
Trent Allen[DOCUSIgned
by:
,�tAk a_UfA,
Reason for Inspection: Routine
5189c2 =5c42B... Inspection Type:
Collection System Inspect Non Sampling
Permit Inspection Type: Collection system management and operation
Facility Status: Compliant
Not Compliant
Question Areas:
Miscellaneous Questions
General
Sewer & FOG Ordinances
Capital Improvement Plan
Map
Reporting Requirements
Inspections
Spill Response Plan
Spills
Lines
Manholes
Pump Stations
(See attachment summary)
Page 1 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
Inspection Summary:
All relevant records, including the current permit for the collection system, the Capital Improvement Plan, sewer use
ordinance, annual report, spill response plan, and a detailed map of the collection system were available for review. Records
and logs were well -organized and appear regularly updated. The primary operator and backups are level 4 (note: Dunn is a
level 3 system). Grease education materials are distributed via mailers twice per year and are available on the Public Works
website. The annual report is also posted on the website. Collection system users are informed of the annual report by bill
mailer. The facility reported increased compliance of businesses with the grease interception program since the previous
inspection. The annual 10% of line cleaning was exceeded for 2019 with a total 51,000 feet. The facility has recently
acquired two grants for TV inspection of high -flow areas and for completion of and updates to the GIS map of the system,
among other initiatives.
Four of eight pump stations were inspected, all above ground. Maintenance logs for pump stations were stored on site at the
stations. Maintenance logs were well -maintained in addition to the inside and outside of stations being clean and
well -organized. SCADA, audio, and visual alarms worked properly for all tested pump stations, the only slight exception
being at the East Side pump station where there was a time delay between the SCADA system transmitting an emergency
notice and the technician and operators being notified. One high -priority line crossing a creek and three total right-of-ways
were inspected. The high -priority line appeared to be in good condition. All areas were free of large debris and could be
easily accessed during an emergency. Manholes were well -marked, usually with posts and spray -paint. During 2019, a large
number of manholes and clean -outs were refurbished. Efforts are ongoing.
Page 2 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
General Yes No NA NE
Is there a properly designated primary ORC and at least one back-up of proper grade? 0 ❑ ❑ ❑
Are logs being reviewed by the system management or owner on a regular basis? 0 ❑ ❑ ❑
# What is that frequency?
Weekly
(technicians),
monthly (ORC)
# 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?
❑
❑ 0 ❑
Comment: A large number of manhole repairs performed in 2019.
Sewer and FOG Ordinances Yes No NA NE
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? Properly disposal
of proper grease
containers.
Is Grease Control Program enforced via periodic inspections/records review? ❑ ❑ ❑
Is action taken against violators? M ❑ ❑ ❑
# 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.)
Information is availble on the Public Works website (http://www.dunn-nc.org/works/downloads/FOG.PDF).
Verified.
Comment: Operators reported good compliance of businesses to grease enforcement efforts.
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?
❑ ❑ ❑
Page 3 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
Does CIP include forecasted future needs? 0 ❑ ❑ ❑
Comment:
Map Yes No NA NE
Is there a overall sewer system map? ❑ ❑ ❑
Does the map include:
Pipe Type (GS/FM) ❑ ❑ ❑
Pipe sizes ❑ ❑ ❑
Pipe materials (PVC, DIP, etc) ❑ ❑ ❑
Pipe location ❑ ❑ ❑
Flow direction ❑ ❑ ❑
Approximate pipe age ❑ ❑ ❑
Pump station ID, location and capacity ❑ ❑ ❑
# Force main air release valve location & type ❑ ❑ ❑
# Location of satellite connections ❑ ❑ ❑
Is the map being updated for changes/additions within 1 year of activation? 0 ❑ ❑ ❑
Comment: Current map is acceptably comprehensive. The facility will use funds from recently acquired
grants to hire and engineer to update GIS maps. The new maps will include all variables. Pump
stations were listed, but no information on capacity was included. FRO suggests using a
different font or color for pump station names to increase ease of locating them on the map.
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? Via the website
and a yearly
notification
included with
mailed bill
statement.
Comment:
Inspections Yes No NA NE
Are adequate maintenance records maintained? ❑ ❑ ❑
Are pump stations being inspected at the required frequency? ❑ ❑ ❑
# 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? ❑ ❑ ❑
Page 4 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling Reason for Visit: Routine
# Does the system have any high -priority lines/locations? 0 ❑ ❑ ❑
Are inspections of HPL documented at least every 6 months? 0 ❑ ❑ ❑
Are new lines being added to the HPL list when found or created? 0 ❑ ❑ ❑
Comment: Very well -documented.
Spill Response Action Plan
Yes No NA NE
Is a Spill Response Action Plan available?
❑ ❑ ❑
Is a Spill Response Action Plan available for all personnel?
❑ ❑ ❑
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?
0
❑ ❑ ❑
Comment: Facility is in the process of obtaining USDA funds for increased allocation to emergency
funds.
alll[L Yes No NA NE
Is system free of known points of bypass? 0 ❑ ❑ ❑
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: FRO is aware of problem areas. Facility performs due diligence in minimizing spills, such as
increasing capacity of flow intake at the wastewater treatment plant.
Lines/Right-of-Ways/Aerial Lines Yes No NA NE
Please list the Lines/Right of Ways/Aerial Lines Inspected:
1. High priority line near corner of S. Watauga Ave. and W. Pearsall St.
2. Right of way near S. Ann Ave.
3. BR 8, near Dunn WWTP
Are right-of-ways/easements maintained for full width for access by staff/equipment? ❑ ❑ ❑
If No, give details on temporary access:
Is maintenance documented? ❑ ❑ ❑
Are gravity sewer cleaning records available? ❑ ❑ ❑
Has at least 10% of lines older than 5 yrs been cleaned annually? ❑ ❑ ❑
Were all areas/lines inspected free of issues? ❑ ❑ ❑
Page 5 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling Reason for Visit:
Routine
Comment: Facility exceeded the 10% line cleaning requirement for 2019 (51,000 ft. cleaned).
Manholes
Yes No NA NE
Please list the Manholes Inspected:
1. Manholes at right of way near S. Ann Ave.
2. Manhole BR 8, near Dunn WWTP
Are manholes accessible?
❑ ❑ ❑
# Are manhole covers/vents above grade?
❑ ❑ ❑
Are manholes free of visible signs of overflow?
❑ ❑ ❑
Are manholes free of sinkholes and depressions?
❑ ❑ ❑
Are manhole covers present?
❑ ❑ ❑
# Are manholes properly seated?
❑ ❑ ❑
# Are manholes in good condition?
❑ ❑ ❑
# Are inverts in good condition?
❑ ❑ ❑
Is flow unrestricted in manholes?
❑ ❑ ❑
Are manholes free of excessive amounts of grease?
❑ ❑ ❑
Are manholes free of excessive roots?
❑ ❑ ❑
Are manholes free of excessive sand?
❑ ❑ ❑
Are manhole vents screened?
❑
❑ ❑
Are vents free of submergence?
❑ ❑ ❑
Are manholes free of bypass structures or pipes?
0
❑ ❑ ❑
Comment: Facility has made a concerted effort to identify and repair derelict manholes and clean -outs.
Pump Stations
Yes No NA NE
Please list the Pump Stations Inspected:
1. East Side
2. #7
3. #2
4. #3
# Number of duplex or larger pump stations in system
8
# Number of vacuum stations in system
0
# Number of simplex pump stations in system
0
# 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?
8
# 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?
❑ ❑ ❑
Page 6 of 7

Permit: WQCS00073 Owner - Facility: City of Dunn
Inspection Date: 02/20/2020 Inspection Type : Collection System Inspect Non Sampling
Reason for Visit: Routine
# Do they all have telemetry installed?
0
❑ ❑ ❑
Is the communication system functional?
0
❑ ❑ ❑
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?
0
❑ ❑ ❑
If Yes, what resources (Units/Staff/Vehicles/etc) are included in Plan?
Multiple staff members and contractors will be available for emergencies at pump stations that do not have
permanent backup generators installed.
# Does Permittee have the approved percentage of replacement simplex pumps? ❑ ❑ 0 ❑
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? 0 ❑ ❑ ❑
Inspecting and exercising all valves? 0 ❑ ❑ ❑
Inspecting and lubricating pumps and other equipment? 0 ❑ ❑ ❑
Inspecting alarms, telemetry and auxiliary equipment? 0 ❑ ❑ ❑
Comment: Planned installation of a permanent backup generator at pump station #2 projected for Summer
2020.
Page 7 of 7