NC0020290_CEI_CSI_Report_20240528 (2)

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
ROY COOPER
Go,ernor
ELIZABETH S. BISER
Sec�tffry
RICHARD E, ROGEPS,JR.
Director
NORTH CAROLINA
Environmental Quality
SENT vzAaEcTRoNic mAiL ONL Y' NO HARD COPY WILL BE MAILED.
May 28, 2024
Shane Dale, Public Works Director
Town of Burnsville
Email: [e-mail]
SUBJECT: Compliance Inspection Report
Burnsville WWTP
NPDES WW Permit No. NCO020290
Yancey County
Dear Permittee:
The North Carolina Division of Water Resources conducted an inspection of the Burnsville WWTP on
4/29/2024. This inspection was conducted to verify that the facility is operating in compliance with the
conditions and limitations specified in NPDES WW Permit No. NCO020290. The findings and comments
noted during this inspection are provided in the enclosed copy of the inspection report entitled
"Compliance Inspection Report".
There were no significant issues or findings noted during the inspection and therefore, a response to this
inspection report is not required.
If you should have any questions, please do not hesitate to contact Rachel Rose with the Water
Quality Regional Operations Section in the Asheville Regional Office at 828-296-4500 or via email at
[e-mail].
Sincerely,
I/V DocuSigned by- 94
Rachel Rose, Environmental Specialist
Water Quality Regional Operations Section
Asheville Regional Office
Division of Water Resources, NCDEQ
ATTACHMENTS: Inspection Report
Ec: Laserfiche
Paul Isenhour (CIRC, Water Quality Labs)
4��M-g W I N,1tiw.Mt,rP--
�> Ash,�lk P�giqnpl Mcc 1 2090 U S. Highway 70 1 �wanna—. North C-11na 25776
—NJ-� , 62&29b.45C0

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
United States Environmental Protection Agency
Form Approved.
EPA Washington, D.C. 20460
OMB No. 2040-0057
Water Compliance Inspection Report
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction Code NPIDES yr/mo/day Inspection Type Inspector Fac Type
1 IN 1 2 15 1 3 1 NCO020290 Ill 121 24/04/29 —1 17 18 L�j 19 L�j 20L]
6
211 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Inspection
—r
Work Days Facility Self -Monitoring Evaluation Rating B1 QA ---------------------- Reserved -------------------
671
—j 70 Lj 71 Lj 72 L�] 71LL174 79 1 1 1 1 LU80
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
Entry Time/Date
Permit Effective Date
POTW name and NPIDES Dermit Number)
1 O:OOAM 24/04/29
24/01/01
Burnsville WWTP
812 Pine Swamp Rd
Exit Time/Date
Permit Expiration Date
Burnsville NC 28714
12:OOPM 24/04/29
28/09/30
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
Paul E. Isenhour/ORC/828-898-6277/
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Shane Dale,PO Box 97 Burnsville NC 287140097/Public Works
Yes
Director/828-682-2420/
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit 0 Flow Measurement Operations & Maintenar Records/Reports
Self -Monitoring Progran 0 Sludge Handling DispoE Facility Site Review Effluent/Receiving WatE
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
Rachel Rose Ev DocuSigned by- DWR/ARO WQ/828-296-4500/ 5/24/2024
94
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
by: 5/24/2024
FD—Signed
V Aw 'tt f?bSS
—L3Y(192DAbFB4FF—
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
Page#

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
NIPIDES yr/mo/day Inspection Type (Cont.)
NCO020290 12 24/04/29 17 18 isi
Section D: Summary of Find ing/Comments (Attach additional sheets of narrative and checklists as necessary)
Rachel Rose, with the Asheville Regional Office (ARO), met with Paul Isenhour (ORC, Water Quality
Lab & Operations, Inc.), Robby Woody (BORC, Town of Burnsville), Chris Wilson (Operator, Town of
Burnsville), and Shane Dale (CS ORC, Town of Burnsville) to conduct a Compliance Evaluation
Inspection on April 29, 2024 for the Town of Burnsville WWTP. This inspection was conducted to
determine whether the facility is being operated and maintained in compliance with NPDES Permit No.
NCO020290.
Compliance sampling was performed during this inspection.
From the Special Order of Consent (SOC) timeline, Burnsville WWTP rehabilitation projects appeared
to be on schedule. The rehabilitation of Project 1: Burnsville WWTP Improvements was completed in
November of 2020. Project 7: Burnsville WWTP Rehabilitation Funding and Design is projected to be
funded by May 2024 and to initiate engineering service contract by July 2024 according to the SOC
timeline. Project 7 is fully funded and is currently in the engineering design process. The SOC
amendment from May 2, 2024 projects the construction completion date to be December 2026. See
SOC and amendment for more details.
The following items were noted during the inspection:
1. Secondary Clarifier: The secondary clarifier weirs are cleaned weekly. There was a fair amount of
algae present floating on top of both clarifiers at the time of the inspection, but the BORC indicated
that the algae had just popped up recently from the shift in warmer weather. The sludge blanket in
clarifier #1 was 10.5 ft/1 3 ft of water and 9 ft/1 3 ft of water for clarifier #2 at the time of the inspection.
The ORC indicated that the solids were currently being wasted out of clarifier #2 during the
inspection. The facility needs to waste more from the clarifiers to the digester to lower the sludge
blankets in both clarifiers.
2. Disinfection -Gas: It is suggested to include with the SOC upgrades to create a chlorine contact
chamber separate from the secondary clarifier weirs to allow for longer retention time for proper
disinfection.
3. De -chlorination: It is suggested to include with the SOC upgrades to either extend the current
de -chlorination chamber or create a new de -chlorination chamber to allow for longer de -chlorination
retention time.
The preliminary results from the effluent samples are as follows:
BOD = 16 mg/L
Fecal Coliform = 8 CFU/100mL
TSS = 6.7 mg/L
Total Residual Chlorine = 33 pg/L
Ammonia as N = 13 mg/L
The sample results are compliant with the permit effluent limits. The finalized results will be sent to
Shane Dale and Paul Isenhour once obtained.
Page#

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
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:
Operations & Maintenance
Is the plant generally clean with acceptable housekeeping?
Does the facility analyze process control parameters, for ex: IVILSS, IVICRT, Settleable
Solids, pH, DO, Sludge Judge, and other that are applicable?
Yes No NA NE
E] El 0 E]
0 El El
El El
El El
0 El El El
Yes No NA NE
Comment: The process controls analyzed are settleable solids, PH, DO, sludge 4udge, and
temperature.
El El El
El El El
Record Keeping
Yes
No
NA
NE
Are records kept and maintained as required by the permit?
0
El
El
El
Is all required information readily available, complete and current?
0
El
El
El
Are all records maintained for 3 years (lab. reg. required 5 years)?
0
El
El
El
Are analytical results consistent with data reported on DIVIRs?
0
El
El
El
Is the chain -of -custody complete?
0
El
El
El
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 DIVIRs complete: do 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 24/7 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?
Page# 3

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
Record Keeping Yes No NA NE
Is a copy of the current NPIDES permit available on site? 0 El El El
Facility has copy of previous year's Annual Report on file for review? 0 El El El
Comment:
Grit Removal
Yes
No
NA NE
Type of grit removal
a.Manual
E]
b.Mechanical
0
Is the grit free of excessive organic matter?
0
El
E] E]
Is the grit free of excessive odor?
0
El
El El
# Is disposal of grit in compliance?
0
El
E] E]
Comment:
Bar Screens Yes No NA NE
Type of bar screen
a.Manual
b.Mechanical
Are the bars adequately screening debris?
0
El
El
El
Is the screen free of excessive debris?
0
El
El
El
Is disposal of screening in compliance?
0
El
El
El
Is the unit in good condition?
0
El
F1
EJ
Comment: The primary bar screen is a mechanical bar screen which is connected to the screw
auger. The back up bar screen is a manual bar screen.
Influent Sampling
# Is composite sampling flow proportional?
Is sample collected above side streams?
Is proper volume collected?
Is the tubing clean?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0
degrees Celsius)?
Is sampling performed according to the permit?
Yes No NA NE
El 0 El El
0 El El El
El El El 0
• El El El
• El El El
0 El E] E]
Comment: The temperature in the composite sampler fridge was 3.5 degrees Celsius at the time
of the inspection.
Page# 4

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
Influent Sampling
Aeration Basins
Mode of operation
Type of aeration system
Is the basin free of dead spots?
Are surface aerators and mixers operational?
Are the diffusers operational?
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?
Is the DO level acceptable?(1.0 to 3.0 mg/1)
Yes No NA NE
Yes No NA NE
Ext. Air
Diffused
0
El
El
El
E]
El
0
F�
0
El
El
El
0
El
El
El
0
El
El
El
0
El
El
0
0
El
El
El
Comment: The diffusers are on 24/7. The DO was 1.3 mg/L for aeration basin #1 and 1.2 mg/L for
aeration basin #2 at the time of the inspection. The settleability was 55% (450 mL/1 000
mL) for basin #1 and 35% (650 mL/1 000 mL) for basin #2 at the time of the inspection.
Secondary Clarifier
Yes
No
NA
NE
Is the clarifier free of black and odorous wastewater?
0
El
El
El
Is the site free of excessive buildup of solids in center well of circular clarifier?
0
El
El
El
Are weirs level?
0
El
El
EJ
Is the site free of weir blockage?
0
El
El
El
Is the site free of evidence of short-circuiting?
0
El
E]
0
Is scum removal adequate?
0
El
El
0
Is the site free of excessive floating sludge?
0
El
E]
E]
Is the drive unit operational?
0
El
El
El
Is the return rate acceptable (low turbulence)?
0
El
El
El
Is the overflow clear of excessive solids/pin floc?
0
El
El
0
Is the sludge blanket level acceptable? (Approximately 1/4 of the sidewall depth)
E]
0
El
El
Comment: See summary for details.
Aerobic Digeste
Yes
No
NA
NE
Is the capacity adequate?
0
El
El
El
Is the mixing adequate?
0
El
El
El
Is the site free of excessive foaming in the tank?
0
El
El
El
# Is the odor acceptable?
0
El
El
El
Page# 5

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
Aerobic Digeste
# Is tankage available for properly waste sludge?
Yes No NA NE
0 El E] E]
Comment: The aerobic digester decants twice per week or as needed. The facility wastes to the
digester about three days per week or as needed. It is suggested to increase wasting
time to reduce the high sludge blankets in the secondary clarifiers.
Solids Handling Equipment
Is the equipment operational?
Is the chemical feed equipment operational?
Is storage adequate?
Is the site free of high level of solids in filtrate from filter presses or vacuum filters?
Is the site free of sludge buildup on belts and/or rollers of filter press?
Is the site free of excessive moisture in belt filter press sludge cake?
The facility has an approved sludge management plan?
Comment: The dried solids from the belt press are hauled to a landfill every two months.
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-ch lori nation?
Does the Stationary Source have more than 2500 lbs 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
• El El El
• El El El
• El El El
0 El El EJ
0 El El El
0 El E] E]
0 El El El
Yes No NA NE
• El El El
• El El El
• El El El
E] El El 0
0 El El El
E] El El 0
El 0 El El
El El 0 El
Comment: Chlorine disinfection occurs at the clarifier weir trough. See summary for details.
De -chlorination
Yes
No
NA
NE
Type of system ?
Gas
Is the feed ratio proportional to chlorine amount (11 to 1)?
E]
El
El
0
Is storage appropriate for cylinders?
E
El
E]
E]
# Is de -chlorination substance stored away from chlorine containers?
0
El
E]
E]
Page# 6

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
De -chlorination
Comment:
Are the tablets the proper size and type?
Are tablet de -chlorinators operational?
Number of tubes in use?
Comment: See summary for details.
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?
Yes No NA NE
El El 0 El
El El 0 El
Yes No NA NE
• El El El
• El El EJ
• El El El
E] El 0 El
Comment: The flow meter was last calibrated on February 26, 2024 by KDT Service Technologies.
Effluent Sampling
Yes
No
NA
NE
Is composite sampling flow proportional?
0
El
El
El
Is sample collected below all treatment units?
0
El
El
El
Is proper volume collected?
E]
El
El
0
Is the tubing clean?
0
El
El
El
# Is proper temperature set for sample storage (kept at less than or equal to 6.0
E]
E]
degrees Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type
0
El
El
El
representative)?
Comment: At the time of the inspection, the composite sampler fridcie was 11 decirees Celsius.
The composite sampler was serviced and repaired on May 9, 2024 and a
picture of the
thermometer inside the sampler fridge reading 4 degrees Celsius was sent to Rachel.
Effluent Pipe
Yes
No
NA
NE
Is right of way to the outfall properly maintained?
0
El
El
El
Are the receiving water free of foam other than trace amounts and other debris?
0
El
El
0
If effluent (diffuser pipes are required) are they operating properly?
El
El
0
El
Comment:
Standby Power Yes No NA NE
Is automatically activated standby power available? 0 El El El
Page# 7

DocuSign Envelope ID: EAB66008-E8B7-4042-973C-FCB978lA3F4C
Permit: NCO020290 Owner -Facility: BurnsvilleWWTP
Inspection Date: 04/29/2024 Inspection Type: Compliance Sampling
Standby Power
Is the generator tested by interrupting primary power source?
Is the generator tested under load?
Was generator tested & operational during the inspection?
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
power?
Is the generator fuel level monitored?
Yes
No
NA
NE
•
El
El
El
•
El
El
0
El
El
El
0
•
El
El
El
•
El
El
El
0
El
El
0
Comment: The generator is automatically exercised weekly. There is an emergency fuel vendor
agreement with Fox & Johnson.
Upstream / Downstream Sampling Yes No NA NE
Is the facility sampling performed as required by the permit (frequency, sampling type, 0 El El El
and sampling location)?
Comment:
Page# 8

AD19516 North Carolina Division of Water Resources Water Sciences Section Laboratory Results
Loc. Descr.:
Burnsville VVWTP-NCO020290
County:
Yance
Collector:
R ROSE
VisitlD
Region:
Asheville
Report To
ARO
Location ID:
NCO020290
River Basin
FRB
Collect Date:
04/29/2024
Priority
COMPLIANCE
Emergency
Collect Time:
10:24
Sample Matrix:
WASTEWATER
COC Yes/No
Sample Depth
Loc.Type:
Effluent
Sampling Method:
Grab
Latitude
Longitude:
Preliminary
Resullis
If this report is labeled preliminary report, the results have not
been validated. Do not use for Regulatory purposes.
Result/
Method
AnalVsis
Units
CAS # AnalVte Name
PQL
Qualifie,
Reference
Date
Validated by
ARO
BOD, 5-Day in liquid
2.0
16
mg/L
SM 5210 B-2001
5/1/24
ESTAFFORD1
Coliform, IVIF Fecal in liquid
1
8
CFU/100ml
SM 9222 D-1997
4/29/24
ESTAFFORD1
Residue_Suspended in liquid
2.5
6.7
mg/L
SM 2540 D-2015
4/30/24
ESTAFFORD1
Sample temperature at receipt by lab
0.2
C
4/29/24
ESTAFFORD1
WSS Chemistry Laboratory>> 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "Ll" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 1 of 1

AD19510 North Carolina Division of Water Resources Water Sciences Section Laboratory Results
Loc. Descr.:
NCO020290
County:
Yance
Collector:
R ROSE
VisitlD
Region:
Asheville
Report To
ARO
Location ID:
NCO020290
River Basin
FRB
Collect Date:
04/29/2024
Priority
COMPLIANCE
Emergency
Collect Time:
10:24
Sample Matrix:
WASTEWATER
COC Yes/No
Sample Depth
Loc.Type:
Effluent
Sample ID:
AD19510
PO Number#
Date Received:
04/30/2024
Time Received:
07:00
Labworks LoginlD
ENESBITT
Delivery Method
NC Courier
Final Report Date:
6/9/24
Report Print Date:
06/09/2024
rinall Keport
If this report is labeled preliminary report, the results have not been validated. Do not use for Regulatory purposes.
Result/ Units Method AnalVsis
CAS # AnalVte Name PQL Qualifier Reference Date Validated by
LAB
Sample temperature at receipt by lab 0.6 C 4/30/24 MSWIFT
NUT
7664-41-7 NH3 as N in liquid 1.25 13 P mg/L as N EPA 350.1 REV 2 5/22/24 ALWILLIAMS
WSS Chemistry Laboratory>> 1623 Mail Service Center, Raleigh, NC 27699-1623 [phone]
"Not Detected" or "Ll" does not indicate the sample is analyte free but that the analyte is not detected at or above the PQL.
Page 1 of 1