NC0062219_Compliance Evaluation Inspection_20190117

ROY COOPER
Governor
MICHAEL S. REGAN
Sccrcrary
LINDA CULPEPPER
ln.'re m Dire rr'r
IF" r Ty y ..5
R
io
N'.)RTH CA'�OUNA
Environmental Quality
January 17, 2019
MR. MATTHEW KLEIN
CAROLINA WATER SERVICE OF NORTH CAROLINA, INC.
PO Box 240908
CHARLOTTE, NORTH CAROLINA 28224
Subject: Compliance Evaluation Inspection
Permit No. NCO062219
Kings Grant S.'D WWTP
NPDES Wastewater Treatment and Discharge System
Wake County
Dear Mr. Klein:
1 .r 91
On December 6, 2018, Cory Larsen of Wake County Department of Environmental Services, on
behalf of the Division of Water Resources, performed a compliance evaluation inspection of the
subject wastewater treatment system evaluate compliance with the above permit to discharge
wastewater. The assistance that Brandon Baldwin. ORC, and Steve Harrell provided during the
inspection was appreciated.
At the time of the inspection, the W1WTP was producing good quality effluent. We recommend
stabilization of the eroding stream bank adjacent to the outfall as was discussed during the
inspection to prevent impacts to discharge point. Please refer to the attached report for full
inspection details.
If you have any questions regarding the results of the inspection or need any assistance in
maintaining compliance with your permit please contact Cory Larsen at 919-480-9998,
corv.larsen u.wakeuov.com or me at 919-791-4200.
Sincerely,
Rick Bolich, LG, Assistant Supervisor
Water Quality Regional Operations
Raleigh Regional Office
Enclosure: EPA Water Compliance Inspection Report
cc: Wake County Department of Environmental Services File
RRO File
NPDES Permitting Unit
Steve Harrell — Carolina Water Service of North Carolina, INC.
Division of Water Resources, Raleigh Regional Office. W41cr Quality Operations Section httr::Vortal.ncdenr.orr web %%-ap5
1638 Mail Service Center. Ralciglt, NC 27699-1628 Phone: [phone]
Location: 3800 Barrett Dri%c, Raleigh. NC 27609 Fax: [phone]

United States Environmental Proleclicn Ag , ::r
Form Approved,
EPA Washington, QC 20460
OMB No, 2040-0057
Water Compliance Inspection Report
Approval expires B-31-98
Section A: National Data System Coding (i e., PCS)
Transaction Code NPDES yrlmolday Inspection Type Inspector Fac Type
1 IN 2 15 1 3 NCoaszzlg I11 12 ie,12lo6 117 181.21L19 I c J I 20!
1 L
21 6
Inspection Work Days Facility Self-Monitonng Evaluati -n Rating B1 OA Reserved
fi7 70 I I I 71 I itI I 72 u 1 73 �74 751 I I I I I t I80
I
Section 8: Facility Data
Name and .ocal on of Facility Inspected (For Industrial Users d_scharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPDES per nit Number)
10 30AM 18/12/06
18/04/01
K ngs Grant Subdivs,on WWTP
Exit TimelDate
Permit Expiration Date
p
4819 Mal Plantation Rd
Knightdale NC 27545
11 30AM t811MIS
23/03/31
Name(s) of Cnsne Representahve;swTides(s)lPhcne and Fax Number(s)
Other Facility Data
1:
Brandon Dale Baldwin:ORC!919-4a7-7715r
Name Address of Respons ble Off cial/Tille: Phone and Fax N, mber
James T H ghley P4 Box 240908 Charlotte NC 26224;.408.�-:4-525.79901-i445258174 Contacted
No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit N Flow Measurement Operations & Maintenance e RecordslRepons
Self -Monitoring Program ■ Sludge Handling Disposal Facility Site P.eview EftluentlReceiving Waters
Section 0: Summary of FindinglComments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s) of Inspector(s) Agency/OB;celPhone and Fax Numbers Date
Cory Larsen RRO WO!l919.856-74431
. j�-�--- 01/15/2019
Signature of Manag ment A Reviewer AgencylOf icelPhone and Fax Numbers Dat
/ // 7
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete, / I
PagefF

NPDES yrlmolday Inspe:tun Type 1
31 Ncaa6221�11 12 18112/06 17 18 ICI
Section D Summary of FindinglCommenls (Attach additional sheets r.f narrative and checklists as necessary;
Compliance evai inspection performed 1216118 with Steve Harrell and Brandon Baldwin, ORC. The
WVVTP was producing good effluent. Recommend stablization of eroding stream bank adjacent to
outfall. No major compliance issues were noted by the inspector.
page

Permit NCO062219 Owner -Facility, Kmgs Grant Subdivivon VWVTP
Inspection pate: 1210612018 Inspection Type: Compliance Evaluation
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑
Does the facility analyze process control parameters, for ex. MISS, MCRT, Settleable ❑ ❑ ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment: No issues.
Permit
Yes No NA NE
(If the present permit expires in 6 months or less). Has the perm;ttee submitted a new
0
❑
❑
❑
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: Plant is secured and well kept.
Record Keeping
Yes No NA NE
Are records kept and maintained as required by the permit?
M
❑
❑
❑
Is all required information readily available, complete and current?
M
❑
❑
❑
Are all records maintained for 3 years (lab. reg. required 5 years)?
0
❑
❑
❑
Are analytical results consistent with data reported on DMRs?
M
❑
❑
❑
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 do they include all permit parameters?
0
❑
❑
❑
Has the facility submitted its annual compliance report to users and DWO?
M
❑
❑
❑
(If the facility is = or > 5 MGD permitted flow) Do they operate 24f7 with a certified operator
❑
❑
M
❑
on each shift?
Is the ORC visitation log available and current?
M
❑
❑
❑
Is the ORC certified at grade equal to or higher than the facility classification?
0
❑
❑
❑
Is the backup operator certified at one grade less or greater than the facility classification?
No[][--]
Is a copy of the current NPDES permit available on site?
0
❑
❑
❑
Page# 3

Permit: NCO062219
Inspection Dale: 12 OO!2p 19
Owner -Facility: Vings Grant Subdivision YXTP
Inspection Type: Cvmpl ante Evaluation
Record Keening
Facility has copy of previous year's Annual Report on f le for review?
Yes No NA NE
0 ❑ ❑ ❑
Comment: Permit onsite.
Loa book and bench sheet avaialble to review - could use more detail in ORC logbook
DMRs reviewed for 2018 - some fecal violations noted. Cause is related to UV design with
intermittent flow; lamps replaced.
Effluent Pipe
Yes No NA NE
Is right of way to the outfall properly maintained?
1:3
❑
❑
❑
Are the receiving water free of foam other than trace amounts and other debf:s?
M
❑
❑
❑
If effluent (diffuser pipes are required) are they operating properly?
❑
®
❑
❑
Comment: Outfall has step cascade aerator. Effluent clear. no foam__
Stream bank is eroding adjacent to outfall - needs stablization or bank reinfor�ement
Flow Measurement - Effluent
Yes No NA NE
# Is flow meter used for reporting?
❑
❑
❑
Is flow meter calibrated annually?
r
❑
❑
❑
Is the flow meter operational?
❑
❑
❑
(If units are separated) Does the chart:ecorder match the flcw deter?
❑
❑
❑
Comment: ISCO Signature series calibrated by Ken Nash 12"13)17.
Due for reeal soon.
Aerobic Digester
Yes No NA NE
Is the capacity adequate?
U
❑
❑
❑
Is the mixing adequate?
0
❑
❑
❑
Is the site free of excessive foaming in the tank?
S
❑
❑
❑
# Is the odor acceptable?
13
❑
❑
❑
# Is tankage available for property waste sludge?
10
❑
❑
❑
Comment: Diaester was aerated with available tankaae for wastina. Recently hauled by Granville
Farms.
Pump Station - Influent
Yes No NA NE
Is the pump wet well free of bypass lines or structures?
15
❑
❑
Cl
Is the wet well free of excessive grease?
11
❑
❑
❑
Are all pumps present?
0
❑
❑
❑
Are all pumps operable?
V
❑
❑
❑
Are float controls operable?
Q
❑
❑
❑
Pag^# 4

Permit: NCO062219 Owner - Facility; Kings Grant 5ubdiv;gion vNNrP
Inspection pate: 1210612018 Inspection Type: Compliance Evaluatcn
Pump Station - Influent Yes No NA NE
Is SCADA telemetry available and operational? ❑ ❑ []
Is audible and visual alarm available and operational? ❑ ❑ ❑
Comment: All components tested and functioned Properly -including telemetry.
About 40% grease cover noted. Envirolink contracted for solids removal.
Bar Screens
Yes No NA NE
Type of bar screen
a.Manual
b.Mechanical
❑
Are the bars adequately screening debris?
❑
❑
❑
Is the screen free of excessive debris?
0
❑
❑
❑
Is disposal of screening in compliance?
0
❑
❑
❑
Is the unit in good condition?
❑
❑
❑
Comment: Manually raked barscreen. Screenings disposed in solid waste trash.
Secondary Clarifier
Yes No NA NE
Is the clarifier free of black and odorous wastewater?
❑
1111
Is the site free of excessive buildup of solids in center well of circular clarifier?
❑
❑
0
❑
Are weirs level?
0
❑
❑
❑
Is the site free of weir blockage?
❑
❑
❑
Is the site free of evidence of short-circuiting?
0
❑
❑
Is scum removal adequate?
0
❑
❑
❑
Is the site free of excessive floating sludge?
0
❑
❑
❑
Is the drive unit operational?
❑
❑
0
❑
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)
❑
❑
❑
Comment: No pin floc some seeds and suspended solids present,
Effluent clear.
Aeration Basins Yes No NA NE
Mode of operation Ext. Air
Type of aeration system Diffused
Is the basin free of dead spots? ❑ ❑
Page# 5

Permit: NC0062219 owner -Facility: Kinds Grant Subdivision "%TP
Inspection Date: 12.'M2018 Inspection Type: Compliance Evaluation
Aeration Basins
Yes No NA NE
Are surface aerators and mixers operational'?
❑
❑
N
❑
Are the diffusers operational?
E
❑
❑
❑
Is the foam the proper color for the treatment process'?
M
❑
❑
❑
Does the foam cover less than 25% of the basin's surface?
M
❑
❑
❑
Is the DO level acceptable?
E
❑
❑
❑
Is the 00 level acceptable?(1,0 to 3.0 mglli
0
❑
❑
❑
Comment: Air headers replaced within the last t<uo years with stainless steel pipe.
Limited foam, good mixing. dark brown color.
Blowers provide air on 15m on 45m off cycle.
30 min settleometer = 310 nnUL
DO = 5 ing1L during on cycle.
Disinfection - UV
Yes No NA NE
Are extra UV bulbs available on site?
❑
❑
❑
Are UV bulbs clean?
❑
❑
❑
Is UV intensity adequate?
❑
❑
❑
Is transmittance at or above designed level'
®
❑
❑
❑
Is there a backup system on site?
0
❑
❑
❑
Is effluent clear and free of sol.'ds?
0
❑
❑
❑
Comment: UV system has 3 units - two lamps each - 6 total bulbs. All lit.
Clearwell tank is scheduled for replacement - revise UV design at that time
Standby Power
Yes No NA NE
Is automatically activated standby power available?
U
❑
❑
❑
Is the generator tested by interrupting primary power source?
Q
❑
❑
❑
Is the generator tested under load?
El
❑
❑
Cl
Was generator tested & operational during the inspection?
0
❑
❑
❑
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 powe—
0
❑
❑
❑
Is the generator fuel level monitored?
El
❑
❑
❑
Comment: Onsite generator tested during inspection. Fuel level 90%.
Upstream I Downstream Sampling Yes No NA NE
Is the facility sampling performed as required by the permit (frequency. sampling type and ❑ ❑ ❑ ❑
sampling location)?
Page# 5

Permit: NCO062219
Inspection Date: 12/06I2018
Upstream 1 Downstream Sampling
Comment: Stream clear US and DS.
Effluent DO 9.4 mg/L.gH 7.1
US DO 9.8
DS DO 10.4
Locations fine.
Owner • Facility: kings Grant Subdivisron WWiP
Inspectian Type: Compliance Evaluation
Yes No NA NE
Page#