NC0085812_Compliance Inspection (BIMS Report)_20180418 (2)

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 15 I 3 I NCO085812 111 12 I 18/04/04 I17 18 I S i 19 LG] i 201 I
211111 1 1 1 1 1 111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 111 1 1 1 1 1 166
Inspection Work Days Facility Self -Monitoring Evaluation Rating B1 QA ----------------------Reserved-------------------
67 70II 71 I I 72 I r I 73I I 74 751 I I I 1 1 1 I80
I—I I� I I
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 oermit Number)
01:36PM 18/04/04
13/12/01
Grassy Branch WWTP
Old Fish Rd
Exit Time/Date
Permit Expiration Date
Monroe NC 28111
02:07PM 18/04/04
18/10/31
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
Other Facility Data
Danny L Smith/ORC//
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Bart Farmer,4600 Goldmine Rd Monroe NC 2811 0//7 04-2 96-4 2 2 7/7 04 28 9 7 3 95
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)
Name(s) and Signature(s) of Inspector(s) Agency/Office/Phone and Fax Numbers Date
Roberto SchellerDoc�y' V .".14. MRO WQ//252-946-6481/
E4/18/2018
43E...
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
W. Corey Basinger MRO WQ//704-235-2194/
EPA Form 3560-3 (Rev 9-94) Previous editions are obsolete.
DocuSigned by:
4/23/2018
/ r Page#
IA14CC681AF27425...

NPDES yr/mo/day Inspection Type
NCO085812 111 121 18/04/04 1 17 18 JCJ
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
Page#

Permit: NCO085812 Owner - Facility: Grassy Branch WWTP
Inspection Date: 04/04/2018 Inspection Type: Compliance Evaluation
Yes No NA NE
Are records kept and maintained as required by the permit?
0
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Permit
Yes No NA NE
(If the present permit expires in 6 months or less). Has the permittee submitted a new
0
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application?
0
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Is the facility as described in the permit?
0
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# Are there any special conditions for the permit?
0
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Is access to the plant site restricted to the general public?
0
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Is the inspector granted access to all areas for inspection?
0
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Comment: The current permit was issued on December 1, 2013 and expires at midnight on October
31, 2018. The permit is for an existing 0.05 MGD wastewater treatment facilitV that
discharges via outfall 001 into Crooked Creek. Crooked Creek is Class C waters in the
Yadkin -Pee Dee River Basin. Influent flow consists of 100% domestic waste.
Record Keeping
Yes No NA NE
Are records kept and maintained as required by the permit?
0
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Is all required information readily available, complete and current?
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Are all records maintained for 3 years (lab. reg. required 5 years)?
0
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Are analytical results consistent with data reported on DMRs?
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Is the chain -of -custody complete?
0
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Dates, times and location of sampling
good record of process control on MLSS is being maintained.
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?
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Has the facility submitted its annual compliance report to users and DWQ?
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(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator
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on each shift?
Is the ORC visitation log available and current?
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Is the ORC certified at grade equal to or higher than the facility classification?
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Is the backup operator certified at one grade less or greater than the facility classification?
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Is a copy of the current NPDES permit available on site?
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Facility has copy of previous year's Annual Report on file for review?
0
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Comment: All records reviewed, during the subject inspection, were readily avalible for inspection.
A
good record of process control on MLSS is being maintained.
Page# 3

Permit: NCO085812 Owner - Facility: Grassy Branch WWTP
Inspection Date: 04/04/2018 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: MLSS, MCRT, Settleable ❑ ❑ ❑
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment: Plant appeared to be well operated and maintained.
Influent Sampling
Yes No NA NE
# Is composite sampling flow proportional?
0
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Is sample collected above side streams?
0
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Is proper volume collected?
0
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Is the tubing clean?
0
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# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
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0
Celsius)?
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Comment: Screening debris is removed to Crooked Creek WWTP and
placed in dumpster for final
Is sampling performed according to the permit?
0
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Comment:
Bar Screens Yes No NA NE
Type of bar screen
a.Manual
0
Is containment adequate?
0
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b.Mechanical
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Is storage adequate?
0
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Are the bars adequately screening debris?
0
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Is the screen free of excessive debris?
0
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Is disposal of screening in compliance?
0
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Is the unit in good condition?
0
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Comment: Screening debris is removed to Crooked Creek WWTP and
placed in dumpster for final
disposal.
Chemical Feed
Yes No NA NE
Is containment adequate?
0
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Is storage adequate?
0
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Are backup pumps available?
0
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Is the site free of excessive leaking?
0
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Comment: Calcium Carbonate is being added for alkalinity.
Equalization Basins Yes No NA NE
Is the basin aerated? 0 ❑ ❑ ❑
Page# 4

Permit: NCO085812
Inspection Date: 04/04/2018
Eaualization Basins
Owner - Facility: Grassy Branch WWTP
Inspection Type: Compliance Evaluation
Is the basin free of bypass lines or structures to the natural environment?
Is the basin free of excessive grease?
Are all pumps present?
Are all pumps operable?
Are float controls operable?
Are audible and visual alarms operable?
# Is basin size/volume adequate?
Yes No NA NE
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Comment: Due to high I&I at this facility the basin volume is not adequate. Flow meters have been
placed within collection system to locate sources of I&I.
Aeration Basins
Yes No NA NE
Mode of operation
Ext. Air
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Type of aeration system
Diffused
0
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Is the basin free of dead spots?
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Are surface aerators and mixers operational?
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Are the diffusers operational?
0 ❑
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Is the foam the proper color for the treatment process?
0 ❑
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Does the foam cover less than 25% of the basin's surface?
0 ❑
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Is the DO level acceptable?
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0
Is the DO level acceptable?(1.0 to 3.0 mg/1)
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Comment: Aeration basin appeared to well mixed and had good color.
Pumps -RAS -WAS
Yes No NA NE
Are pumps in place?
0
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Are pumps operational?
0
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Are there adequate spare parts and supplies on site?
0
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Comment: Facility utilizes airlift pump for RAS and WAS.
Secondary Clarifier
Yes No NA NE
Is the clarifier free of black and odorous wastewater?
0
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Is the site free of excessive buildup of solids in center well of circular clarifier?
0
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Are weirs level?
0
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Is the site free of weir blockage?
0
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Page# 5

Permit: NC0085812
Inspection Date: 04/04/2018
Secondary Clarifier
Is the site free of evidence of short-circuiting?
Is scum removal adequate?
Is the site free of excessive floating sludge?
Is the drive unit operational?
Owner - Facility: Grassy Branch WWTP
Inspection Type: Compliance Evaluation
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)
Yes No NA NE
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Comment: At time of inspection secondary clarifier effluent was clear with few visible suspended solids.
Filtration (High Rate Tertiary)
Yes No NA NE
Type of operation:
Down flow
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Is the filter media present?
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Is the filter surface free of clogging?
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Is the filter free of growth?
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Is the air scour operational?
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0
Is the scouring acceptable?
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Is the clear well free of excessive solids and filter media?
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Comment: At time of inspection filter was in by-pass for maintenance.
Disinfection - UV
Yes No NA NE
Are extra UV bulbs available on site?
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0
Are UV bulbs clean?
0
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Is UV intensity adequate?
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0
Is transmittance at or above designed level?
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0
Is there a backup system on site?
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0
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Is effluent clear and free of solids?
0
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Comment: UV bulbes are changed out once per year.
Flow Measurement - Influent
Yes No NA NE
# Is flow meter used for reporting?
0
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Is flow meter calibrated annually?
0
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Is the flow meter operational?
0
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(If units are separated) Does the chart recorder match the flow meter?
0
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Page# 6

Permit: NCO085812
Inspection Date: 04/04/2018
Flow Measurement - Influent
Owner - Facility: Grassy Branch WWTP
Inspection Type: Compliance Evaluation
Yes No NA NE
Comment: Flow meter is calibrated by CITI. LLC of Charlotte. NC. Meter was last calibrated on
03/23/2018.
Effluent Pipe
Yes No NA NE
Is right of way to the outfall properly maintained?
0
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Are the receiving water free of foam other than trace amounts and other debris?
E
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If effluent (diffuser pipes are required) are they operating properly?
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N
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Comment: At time of inspection effluent, at point of discharge, was clear with no foam or visible
suspended solids. Effluent discharges into Crooked Creek which is listed on the North
Carolina 303(d) list of impaired waters.
Standby Power
Is automatically activated standby power available?
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?
Comment:
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Page# 7