NC0021881_Compliance Evaluation Inspection_20190411

DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
11
ROY COOPER
Governor
MICHAEL S.REGAN
Secretary
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
April 15, 2019
Mike Prostinak
Town of Lake Waccamaw
PO Box 145
Lake Waccamaw,NC 28450-0145
Dear Mr. Prostinak,
The North Carolina Division of Water Resources (DWR) conducted a compliance evaluation
inspection of the Lake Waccamaw Wastewater Treatment Plant on April IIth, 2019. This
inspection was conducted to verify that the facility is operating in compliance with the conditions
and limitations specified with the NPDES Permit Number NC0021881. The findings and
comments noted during this inspection are provided in the enclosed copy of the "Water
Compliance Inspection Report".
Please provide the following documents (within 30 days of the receipt of this letter) as
requested during the inspection:
• Documentation which shows that the influent and effluent sampling refrigerators have been
repaired and are functioning properly.
If you have any questions,please contact Chad Coburn in the DWR Wilmington Regional Office
at(910)796-7379 or Chad.Cobum&ncdenr. og_v.
Sincerely,
Docu Signed by:E3ABA14A=C434...
Morella Sanchez-King, Regional Supervisor
Water Quality Regional Operations Section
Wilmington Regional Office
Division of Water Resources,NCDEQ
Cc: WQS Wilmington Regional Office - Enforcement File
��� North Carolina Department of Environmental Quality I Division of Water Resources
�J Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington,North Carolina 28405
NORTH CAROLINA �
D."—Wa E.A. bi O.;q 910.796.7215

DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
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 NPDES yr/mo/day Inspection Type Inspector Fac Type
1 IN I 2 IF I 3 I NCO021881 I11 12 I 19/04/11 I17 18 I S I 19 I G I 201 I
211III11 IIIIIIIIIIIIIIIIII I IIIIII IIIIIIIIIII r6
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA ----------------------Reserved-------------------
671 70 I I 71 I I 72 I r I 73 I I 174 751 I I I I I I I80
u Section B: Facility Data I� I I i
Name and Location of Facility Inspected(For Industrial Users discharging to POTW,also include Entry Time/Date Permit Effective Date
POTW name and NPDES oermit Number) 12:55PM 19/04/11 14/09/01
Lake Waccamaw WWTP
1692 Dupree Landing Rd Exit Time/Date Permit Expiration Date
Lake Waccamaw NC 28450 02:20PM 19/04/11 19/07/31
Name(s)of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s) Other Facility Data
Michael J Prostinak/ORC/910-646-3700/
Name,Address of Responsible Official/Title/Phone and Fax Number
Contacted
Mike Prostinak,PO Box 145 Lake Waccamaw NC 284500145/Public Works
Director/910-646-3700/9106463860 No
Section C:Areas Evaluated During Inspection(Check only those areas evaluated)
Permit 0 Flow Measurement Operations&Maintenance Records/Reports
Self-Monitoring Program 0 Facility Site Review Effluent/Receiving Waters Laboratory
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
Doousigned by: 4/15/2019
Chad Coburn �6�� WIRO WQ//910-796-7379/
8237FC6EDFCC4A3...
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
Docusigned by: 4/16/2019
Morelia Sanchez-King WIRO WQ//910-796-7218/ I
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete. EMBAMAC7DC434... �l
Page# 1

DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
NPDES yr/mo/day Inspection Type 1
31 NC0021881 I11 121 19/04/11 117 18 JCJ
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
Other than issues with the influent and effluent sample refrigerators, the plant appeared to be operating
well given its age.
Page# 2

DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
Permit: NCO021881 Owner-Facility: Lake Waccamaw WWTP
Inspection Date: 04/11/2019 Inspection Type: Compliance Evaluation
Permit Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new 0 ❑ ❑ ❑
application?
Is the facility as described in the permit? 0 ❑ ❑ ❑
#Are there any special conditions for the permit? ❑ ❑ 0 ❑
Is access to the plant site restricted to the general public? 0 ❑ ❑ ❑
Is the inspector granted access to all areas for inspection? 0 ❑ ❑ ❑
Comment:
Record Keeping Yes No NA NE
Are records kept and maintained as required by the permit? 0 ❑ ❑ ❑
Is all required information readily available, complete and current? 0 ❑ ❑ ❑
Are all records maintained for 3 years(lab. reg. required 5 years)? 0 ❑ ❑ ❑
Are analytical results consistent with data reported on DMRs? 0 ❑ ❑ ❑
Is the chain-of-custody complete? 0 ❑ ❑ ❑
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 CM
Are DMRs 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? ❑ ❑ ❑
Is a copy of the current NPDES permit available on site? ❑ ❑ ❑
Facility has copy of previous year's Annual Report on file for review? ❑ ❑ ❑
Comment:
Influent Sampling Yes No NA NE
#Is composite sampling flow proportional? 0 ❑ ❑ ❑
Is sample collected above side streams? ❑ ❑ ❑
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DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
Permit: NCO021881 Owner-Facility: Lake Waccamaw WWTP
Inspection Date: 04/11/2019 Inspection Type: Compliance Evaluation
Influent Sampling Yes No NA NE
Is proper volume collected? ❑ ❑ ❑
Is the tubing clean? 0 ❑ ❑ ❑
#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? 0 ❑ ❑ ❑
Comment: The refrigerator door on the influent sampler needs to be repaired.
Aeration Basins Yes No NA NE
Mode of operation Ext.Air
Type of aeration system Fixed
Is the basin free of dead spots? 0 ❑ ❑ ❑
Are surface aerators and mixers operational? 0 ❑ ❑ ❑
Are the diffusers operational? ❑ ❑ 0 ❑
Is the foam the proper color for the treatment process? 0 ❑ ❑ ❑
Does the foam cover less than 25%of the basin's surface? 0 ❑ ❑ ❑
Is the DO level acceptable? ❑ ❑ ❑
Is the DO level acceptable?(1.0 to 3.0 mg/1) 0 ❑ ❑ ❑
Comment:
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? 0 ❑ ❑ ❑
Does the facility analyze process control parameters,for ex: MLSS, MCRT, Settleable 0 ❑ ❑ ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment: MLSS, MLVS, Fecal Coliform, BOD, TSS, and Ammonia as Nitrogen are all analyzed by
Environment 1 in Greenville, NC
Bar Screens Yes No NA NE
Type of bar screen
a.Manual
b.Mechanical ❑
Are the bars adequately screening debris? 0 ❑ ❑ ❑
Is the screen free of excessive debris? 0 ❑ ❑ ❑
Is disposal of screening in compliance? 0 ❑ ❑ ❑
Is the unit in good condition? 0 ❑ ❑ ❑
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DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
Permit: NCO021881 Owner-Facility: Lake Waccamaw WWTP
Inspection Date: 04/11/2019 Inspection Type: Compliance Evaluation
Bar Screens Yes No NA NE
Comment:
Secondary Clarifier Yes No NA NE
Is the clarifier free of black and odorous wastewater? 0 ❑ ❑ ❑
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? 0 ❑ ❑ ❑
Is the site free of evidence of short-circuiting? 0 ❑ ❑ ❑
Is scum removal adequate? ❑ ❑ ❑
Is the site free of excessive floating sludge? 0 ❑ ❑ ❑
Is the drive unit operational? ❑ ❑ ❑
Is the return rate acceptable (low turbulence)? 0 ❑ ❑ ❑
Is the overflow clear of excessive solids/pin floc? 0 ❑ ❑ ❑
Is the sludge blanket level acceptable? (Approximately'/of the sidewall depth) ❑ ❑ ❑
Comment: Per the ORC, the sludge blanket is kept between 4 and 5 feet thick in a 15 foot deep clarifier.
Lagoons Yes No NA NE
Type of lagoons? Aerated
#Number of lagoons in operation at time of visit? 2
Are lagoons operated in? Series
#Is a re-circulation line present? ❑ ❑ 0 ❑
Is lagoon free of excessive floating materials? 0 ❑ ❑ ❑
#Are baffles between ponds or effluent baffles adjustable? ❑ ❑ 0 ❑
Are dike slopes clear of woody vegetation? 0 ❑ ❑ ❑
Are weeds controlled around the edge of the lagoon? 0 ❑ ❑ ❑
Are dikes free of seepage? 0 ❑ ❑ ❑
Are dikes free of erosion? 0 ❑ ❑ ❑
Are dikes free of burrowing animals? 0 ❑ ❑ ❑
#Has the sludge blanket in the lagoon (s)been measured periodically in multiple ❑ ❑ ❑
locations?
#If excessive algae is present, has barley straw been used to help control the growth? ❑ ❑ ❑
Is the lagoon surface free of weeds? ❑ 0 ❑ ❑
Is the lagoon free of short circuiting? ❑ ❑ ❑
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DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
Permit: NCO021881 Owner-Facility: Lake Waccamaw WWTP
Inspection Date: 04/11/2019 Inspection Type: Compliance Evaluation
Lagoons Yes No NA NE
Comment: Per the ORC, the lagoons are due to be sprayed to remove excess vegetation.
Disinfection-Gas Yes No NA NE
Are cylinders secured adequately? 0 ❑ ❑ ❑
Are cylinders protected from direct sunlight? 0 ❑ ❑ ❑
Is there adequate reserve supply of disinfectant? 0 ❑ ❑ ❑
Is the level of chlorine residual acceptable? ❑ ❑ ❑
Is the contact chamber free of growth, or sludge buildup? 0 ❑ ❑ ❑
Is there chlorine residual prior to de-chlorination? ❑ ❑ ❑
Does the Stationary Source have more than 2500 Ibs of Chlorine (CAS No. 7782-50-5)? ❑ ❑ 0 ❑
If yes,then is there a Risk Management Plan on site? ❑ ❑ 0 ❑
If yes,then what is the EPA twelve digit ID Number? (1000- - )
If yes,then when was the RMP last updated?
Comment:
Flow Measurement- Effluent Yes No NA NE
#Is flow meter used for reporting? 0 ❑ ❑ ❑
Is flow meter calibrated annually? 0 ❑ ❑ ❑
Is the flow meter operational? 0 ❑ ❑ ❑
(If units are separated) Does the chart recorder match the flow meter? ❑ ❑ 0 ❑
Comment:
De-chlorination Yes No NA NE
Type of system ? Liquid
Is the feed ratio proportional to chlorine amount(1 to 1)? ❑ ❑ ❑
Is storage appropriate for cylinders? ❑ ❑ ❑
#Is de-chlorination substance stored away from chlorine containers? ❑ ❑ ❑
Comment:
Are the tablets the proper size and type? ❑ ❑ ❑
Are tablet de-chlorinators operational? ❑ ❑ ❑
Number of tubes in use?
Comment:
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DocuSign Envelope ID: EC2A85F0-27B7-4F4B-A838-A9B4504B17C9
Permit: NCO021881 Owner-Facility: Lake Waccamaw WWTP
Inspection Date: 04/11/2019 Inspection Type: Compliance Evaluation
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional? 0 ❑ ❑ ❑
Is sample collected below all treatment units? 0 ❑ ❑ ❑
Is proper volume collected? ❑ ❑ ❑
Is the tubing clean? 0 ❑ ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑
Celsius)?
Is the facility sampling performed as required by the permit(frequency, sampling type 0 ❑ ❑ ❑
representative)?
Comment: There appeared to be a problem with the sample refrigerator during the inspection. However,
the reading was less than 6 degrees.
Effluent Pipe Yes No NA NE
Is right of way to the outfall properly maintained? 0 ❑ ❑ ❑
Are the receiving water free of foam other than trace amounts and other debris? 0 ❑ ❑ ❑
If effluent (diffuser pipes are required) are they operating properly? ❑ ❑ 0 ❑
Comment:
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