NC0020184_Compliance Evaluation Inspection_20160630

PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Se,.•,z•wr}•
w
WaterResources S. JAY ZIMMERMAN
Director
CNvmommewml-QUALITY
' June 30, 2016
RECEIVEDINCDEUDWR
Ms. Stephanie Scheringer, Division Manager
Two Rivers Utilities JUL 4 7 2010
P.O. Box 1748 Water Quality
Gastonia, NC 28053 perrnitting Section
Subject: Compliance Evaluation Inspection
Long Creek WWTP
NPDES Permit No. NCO020184
Gaston County
Dear Ms. Scheringer:
Enclosed is a copy of the Compliance Evaluation Inspection for the inspection conducted at
the subject facility on June 28, 2016 by Ori Tuvia. David Shellenbarger's, Doug Barker's, and Charlie
Graham's cooperation during the site visit was much appreciated. Please advise the staff involved
with this NPDES Permit by forwarding a copy of the enclosed report.
The report should be self-explanatory; however, should-you have any questions concerning
this report, please do not hesitate to contact Ori Tuvia at [phone], or at
[e-mail].
Sincerely;
Ori Tuvia, Environmental Engineer
Mooresville Regional Office
Division of Water Resources, DEQ
Cc: NPDES Unit
MRO Files
Mooresville Regional Office
Location:610 East Center Ave.,Suite 301 Mooresville,NC 28115
Phone:[phone] Fax:[phone] Customer Service:1-877-623-6748

•1r
7
United States Environmental Protection Agency Forth Approved.
EPA Washington,D.C.20460 OMB No.2040-0057
Water Compliance Inspection Report Approval expires a-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 15 I 3 I NCO020184 I11 12 16/06/28 17 18 I S I 19 I s I 201 I
21111111 111111111 II 1111111 1111111 1111111 � I I 1166
Inspection Work Days Facility Self-Monitoring Evaluation Rating B1 QA Reserved I
6711.0 70 LJ 71 1!_j 72 LN 7380
j I 1
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 NPDES aermit Number) 01:30PM 16/06/28 10/03/01
Long Creek WWTP
Exit Time/Date permit Expiration Date
3000 Long Creek Disposal Plant Rd
05:15PM 16/06/28 15/01/31
Dallas NC 28034
Name(s)of Onsite Representative(s)lritles(s)/Phone and Fax Number(s) Other Facility Data
///
Charlie Grahamp704-866-6896/
David Shellenbarger//704-842-5106/
Douglas Edward Barker/ORC1704-922-4086/
Stephanie Scheringer//704-866-6726/
Name,Address of Responsible OfficiaUTitle/Phone and Fax Number
Contacted
Dale Denton,1300 N Broad St Gastonia NC 28053/!704-869-1013/7048691945
' No,
Section C:Areas Evaluated During Inspection(Check only those areas evaluated)
Permit Flow Measurement Operations&Maintenance Records/Reports
Self-Monitoring Program Sludge Handling Disposal 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)
Names)and Signature(s)of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Ori A Tuvia MRO WQ/1704-663-1699/
172— 1
Signature of Managem nt Q OLReyiewer Agency/Office/Phone and Fax Numbers Date
Andrew PitnerPW':'�RO WQ//704-663-1699 Ext.21 �� L
EPA Form 3560-3(Rev 9-94)Previous editions are obsolete.
Page# 1

V
NPDES yr/mo/day Inspection Type 1
31 NCO020184 I11 12I 16/06/28 I 1.7 18 I c I
Section D:Summary of Finding/Comments(Attach additional sheets of narrative and checklists as necessary)
Page# 2

• Permit: N00020184 Owner-Facility: Long Creek WWTP
Inspection Date: 06/28/2016 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 M ❑ ❑ ❑
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? M ❑ ❑ ❑
Is the inspector granted access to all areas for inspection? 0 ❑ '❑ ❑
Comment: The subject hermit expire;�d on 1/31/2015.Waiting for a new permit.
Record Keeping Yes No NA NE
Are records kept and maintained as required by the permit? •❑ .❑ ❑
Is all required information readily available,complete and current? M ❑ ❑ ❑
Are all records maintained for 3 years(lab. reg. required 5 years)? A ❑ ❑ ❑
Are analytical results consistent with data reported on DMRs? M ❑ ❑ ❑
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 CDCs
Are DMRs complete:do they include all permit parameters? 0 ❑ ❑ ❑
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? M ❑ ❑ ❑
Is the ORC certified at grade equal to or higher than the facility classification? M ❑ ❑ ❑
Is the backup operator certified at one grade less or greater than the facility.classification? .0 ❑ ❑ ❑
Is a copy of the current NPDES permit available on site? 0 ❑ ❑ ❑
Facility has copy of previous year's Annual Report on file for review? M ❑ ❑ ❑
Comment: The records reviewed during the inspection were organized and well maintained. DMRs.
COCs• visitation logs calibration logs were reviewed for the period April 2016 through'
November 2015.
Laboratory Yes No NA NE
Page# 3

Permit: NCO020184 Owner-Facility: Long Creek WwrP if
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Laboratory Yes No NA NE
Are field parameters performed by certified personnel or laboratory? 0 ❑ ❑ ❑
Are all other parameters(excluding field parameters)performed by a certified lab? ❑ ❑ ❑
#Is the facility using a contract lab? 0 ❑ ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees 0 ❑ ❑ ❑
Celsius)?
Incubator(Fecal Coliform)set to 44.5 degrees Celsius+/-0.2 degrees? ❑ ❑ 0 ❑
Incubator(BOD)set to 20.0 degrees Celsius+/-1.0 degrees? ❑ ❑ N ❑
Comment: Influent and effluent analyses(including field)are performed under the City's Crowders
Creek laboratory certification 4210). Meritech. Inc.(toxicity)and Shealy Environmental
(PPA organics Cyanide and chloroform)have also been contracted to provide analytical
supportThe laboratory instrumentation used for field analyses appeared to be properly
calibrated and documented.
Influent Sampling Yes No NA NE
#Is composite sampling flow proportional? M ❑ ❑ -❑
Is sample collected above side streams? E' ❑ ❑ ❑
Is proper volume collected? N ❑ ❑ ❑'
Is the tubing clean? -M •❑ ❑ ❑
#Is proper temperature set for sample storage(kept at less than or equal to 6.0 degrees .0 '❑ ❑ ❑
Celsius)?
Is sampling performed according to the permit? ❑ ❑ ❑
Comment:
Effluent Samplin-g Yes No NA NE
Is composite sampling flow proportional? N ❑ ❑ ❑
Is sample collected below all treatment units? M ❑ ❑ ❑
Is proper volume collected? 0 ❑ ❑ ❑
Is the tubing clean? ❑ ❑ ❑
#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: Permit requires both effluent composite samples(flow proportional)and grab sampling_
Upstream /Downstream Sampling Yes No NA NE
Is the facility sampling performed as required by the permit(frequency,sampling type,and M ❑ ❑ '❑
sampling location)?
Page# 4

Permit: NCO020184 Owner-Facility: Long Creek WWTP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Upstream/Downstream Sampling Yes No NA NE
Comment:
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping? ❑ ❑ ❑
Does the facility analyze process control parameters,for ex:MLSS,MCRT,Settleable N ❑ ❑ ❑
Solids,pH, DO,Sludge Judge,and other that are applicable?
Comment: The facility appeared to be properly operated and well maintained. The operations staff
incorporate.a comprehensive process control program with all documentation being properly
documented and maintained on-site.The facility is equipped with a SCADA system to assist
the operations staff with the monitoring of treatment processes and units.
Bar Screens Yes.No NA NE
Type of bar screen =
a.Manual
b.Mechanical
Are the bars adequately screening debris? N ❑ ❑ ❑
Is the screen free of excessive debris? ❑ ❑ ❑
Is disposal of screening in compliance? 0 ❑ ❑' ❑
Is the unit in good condition? 0 ❑ ❑ ❑
Comment: Screenings and grit are disposed at the county landfill.
Grit Removal Yes No NA NE
Type of grit removal
a.Manual ❑
b.Mechanical•
Is the grit free,of excessive organic matter? 0 ❑ ❑ ❑
Is the grit free of excessive odor? M• ❑ ❑ ❑
#Is disposal of grit in compliance? M ❑ ❑ ❑
Comment: Screenings and grit are disposed at the county landfill.
Pump Station -Influent Yes No.NA NE
Is the pump wet well free of bypass lines or structures? M ❑ El El
Is the wet well free of excessive grease? N ❑ ❑ ❑
Are all pumps present? 0 ❑ ❑ ❑
Page# 5

Permit: NCO020184 Owner-Facility: Long Creek WWTP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Pump Station -Influent Yes No NA NE
Are all pumps operable? ❑ ❑ ❑
Are float controls operable? E ❑ ❑ ❑
Is SCADA telemetry available and operational? N ❑ ❑ ❑
Is audible and visual alarm available and.operational? 0 ❑ ❑ ❑
Comment:
Primary Clarifier Yes No NA NE
Is the clarifier free of black and odorous wastewater? E .•❑ ❑ ❑
Is the site free of excessive buildup•of solids in center well of circular clarifier? E 0 ❑ ❑
Are weirs level? ❑ ❑ ❑
Is the site free of weir blockage? ❑ ❑ ❑
Is the site free of evidence of short-circuiting? N ❑' ❑ ❑
Is scum removal adequate? ❑ ❑ ❑
Is the site free of excessive floating sludge? E ❑ [I 'll
Is the drive unit operational? E -❑ ❑ ❑
Is the sludge blanket level acceptable? E ❑ ❑ ❑
Is the sludge blanket level acceptable?(Approximately'/4 of the sidewall depth) E ❑ ❑ ❑
Comment: One of three primaries was in service(all operational).
i
Nutrient Removal Yes No NA NE
#Is total nitrogen removal required? N ❑ ❑ ❑
#Is total phosphorous removal required? N ❑ ❑ ❑
Type Biological
#Is chemical feed required to sustain process? E ❑ ❑ ❑
Is nutrient removal process operating properly? 0 ❑ ❑ ❑
Comment: The facility is reguired to comply with a summer(April 1 -October 31)effluent total nitrogen
limit(6.0 mg/L-monthly average)and a year around effluent total phosphorus limit(1.0 •
ma/L-monthly average). Nutrient removal is performed biologically and chemically (alum).
Aeration Basins Yes No NA NE
Mode of operation Ext.'Air
Type of aeratiori system Diffused
Is the basin free of dead spots? . ❑ ❑ ❑
Are surface aerators and mixers operational? 0 ❑ ❑ ❑
Page# 6

Permit: NCO020184 Owner-Facility: tong Creek VWVrP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Aeration Basins Yes No NA NE
Are the diffusers operational? ❑ ❑ ❑
Is the foam the proper color for the treatment process? E ❑ ❑ ❑
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:
Chemical Feed Yes No NA NE
Is containment adequate? 0 ❑ 1:111
Is storage adequate? M- -❑ ❑ ❑
Are backup pumps available? ❑ ❑ 11 '
Is the site free of excessive leaking? 0 -❑ ❑ ❑
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? M ❑ ❑ ❑
Is the site free of weir blockage? 0 ❑ ❑ ❑
Is the site free of evidence of short-circuiting? E ❑ ❑ ❑
Is scum removal adequate? 0 ❑ ❑, ❑
Is the site free of excessive floating sludge? M ❑ ❑ ❑'
Is the drive unit operational? ❑ ❑ ❑
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) M ❑ ❑ ❑
Comment: Two of four secondaries were in service(all operational).
Filtration (High Rate Tertiary) Yes No NA NE
Type of operation: Down flow
Is the filter,media present? M ❑ ❑ ❑
Is the filter surface free of clogging? ❑ ❑ ❑
Is the filter free of growth? 0 ❑ ❑ ❑
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• r
Permit: NCO020184 Owner-Facility: Long Creek VWVrP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Filtration (High Rate Tertiary) Yes No NA NE
Is the air scour operational? ❑ ❑ •❑
Is the scouring acceptable? e 0 ❑ ❑ ❑
Is the clear well free of excessive solids and filter media? ❑ ❑ ❑
Comment: Six of eight tertiary filters were in service.
Disinfection-Gas Yes No NA NE
Are cylinders secured adequately? ❑ ❑ ❑
Are cylinders protected from direct sunlight? E ❑ ❑ ❑
Is there adequate reserve supply of disinfectant? E ❑ ❑ ❑
Is the level of chlorine residual acceptable? 0 ❑ ❑ ❑
Is the contact chamber free of growth,or sludge buildup? 0 ❑ ❑ ❑
Is there chlorine residual prior to de-chlorination? 0 ❑ ❑ ❑
Does the Stationary Source have more than 2500 lbs of Chlorine(CAS No.7782-50-5)? E ❑• ❑ ❑
If yes,then is there a Risk Management Plan on site? ❑ ❑ ❑
If yes,then what is the EPA twelve digit ID Number?(1000-___:.__) 1000-0006-7367
If yes,then when was the RMP last updated? 06/17/2014 -
Comment:
De-chlorination Yes No NA NE
Type of system? Gas
Is the feed ratio proportional to chlorine amount(1 to 1)? ❑ ❑ ❑
Is storage appropriate for cylinders? N ❑ ❑ ❑
#Is de-chlorination substance stored away from chlorine containers? ❑ N ❑ ❑
Are-the tablets the proper size and type? ❑ ❑ E ❑
Comment: One ton cylinders are stored outside together under cover.
Are tablet de-chlorinators operational? ❑ ❑ E ❑
Number of tubes in use?
Comment:
Pumps-RAS-WAS Yes No NA NE
Are pumps in place? ❑ ❑ ❑
Are•pumps operational? E ❑ ❑ ❑
Are there adequate spare parts and supplies on site? 0 ❑ ❑ ❑
Page# 8

Permit: NCO020184 Owner-Facility: Long Creek WWTP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Pumps-RAS-WAS Yes No NA NE
Comment:
Flow Measurement-Effluent Yes No NA NE
#Inflow meter used for reporting? 0 ❑ ❑ ❑
Is flow meter calibrated annually? 0 ❑ ❑ ❑
Is the flow meter operational? M ❑ ❑ ❑
(If units are separated)Does the chart recorder match the flow meter? ❑ ❑ 0 ❑
Comment: The influent and effluent flow meters are calibrated/verified twice per year and were last
calibrated/verifed on 1/4/2016 by Fortech Automation Engineering.
Effluent Pipe Yes No NA NE
Is right of way to the outfall properly maintained? ❑ ❑ .❑
Are the receiving water free of foam other than trace amou1.nts and other debris? E ❑ ❑ ❑
If effluent (diffuser pipes are required) are they operating properly? -❑ ❑ 0 ❑
Comment: The effluent appeared clear with no floatable solids or foam.
Anaerobic Digester Yes No NA NE
Type of operation:- Fixed cover
Is the capacity adequate? ❑ ❑ ❑
#Is gas stored on site? ❑ ❑ ❑ M
Is the digester(s)free of tilting covers? ❑ ❑ ❑
Is the gas burner operational? ❑ El E]
Is the digester heated? ❑ ❑ ❑ 0
Is the temperature,maintained constantly? ❑ ❑ ❑ 0
Is tankage available for properly waste sludge? ❑ ❑ ❑
Comment: Waste activated sludge(WAS)is thickened in a DAF unit prior to being Dumped to the
digesters The facility is equipped with six anaerobic digesters(4-primary and 2-secondary).
Bio-solids are land applied by a contracted company(EMA) under the authority of Permit No.
W00001793:
Lagoons Yes No NA NE
Type of lagoons?
#Number of lagoons in operation at time of visit? 2
Are lagoons operated in? Series
#Is a re-circulation line present? ❑ ❑ ❑
Page# 9

Permit: NC0020184 Owner-Facility: Lang Creek WWTP
Inspection Date: 06/28/2016 Inspection Type: Compliance Evaluation
Lagoons Yes No NA NE
Is lagoon free of excessive floating materials? ❑ ❑ ❑
#Are baffles between ponds or effluent baffles adjustable? ❑ ❑ N ❑
Are dike slopes clear of woody vegetation? M ❑ ❑ ❑
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? ❑ -❑ M ❑
#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? ❑ ❑ M ❑
Is the lagoon`surface free of weeds? M ❑ ❑ ❑
Is the lagoon free of short circuiting?, ❑ ❑ N ❑
Comment: The facility is equipped with two lagoons used for bio-solids storage(prior to land
application).
Standby Power Yes No NA•NE
Is automatically activated standby power available? M ❑ ❑ ❑
Is the generator tested bpi interrupting primary power source? 0 ❑ ❑. ❑
Is the generator tested under load? 0 ❑ ❑ ❑
Was-generator tested&operational during the inspection? ❑ ❑' ❑ N
Do the generator(s)have adequate capacity to operate the entire wastewater site? M ❑ ❑ ❑
Is there an emergency agreement with a fuel vendor for extended run on back-up power? ❑ ❑ ❑
Is the generator fuel level monitored? `M ❑ ❑ ❑
Comment: The-facility is equipped with three standby generators that are placed under load at leat once
per month (peak shaving/storm events).
Page# 10