HomeMy WebLinkAboutNC0021491_Compliance Evaluation Inspection_20220531ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
Kenneth Gamble, Town Manager
Town of Mocksville
171 S. Clement Street
Mocksville, NC 27028
NORTH CAROLINA
Environmental Quality
May 31, 2022
SUBJECT: Compliance Evaluation Inspection
Dutchman's Creek WWTP
NPDES Permit No. NC0021491
Davie County
Dear Mr. Gamble,
On May 12, 2022, Gary Hudson of this office met with Dennis Murdock, ORC, Todd
Richardson, BUORC, Madalyn Mills, Dave McDaniel, and Josh Powers to perform a
Compliance Evaluation Inspection at the above referenced wastewater treatment plant.
This type of inspection consists of two basic parts: an in -office file review and an on -site
inspection of the treatment facility. The attached EPA inspection form details the areas
that were evaluated during this inspection.
The inspection of the facility was satisfactory. If you have any questions regarding the
inspection or this report, please contact Gary Hudson or me at (336) 776-9800 or by email
at gary.hudson@ncdenr.gov or lon.snider@ncdenr.gov.
Sincerely,
I DocuSiigrned b<y:
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145B49E225C94EA...
Lon Snider
Regional Supervisor
Water Quality Regional Operations
Division of Water Resources
Attachments: EPA Water Compliance Inspection Report
cc: WSRO
GDE
NORTH C CUNA '
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North Carolina Department of Environmental Quality I Division of Water Resources
Winston-Salem Regional Office 1450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105
336.776.9800
United States Environmental Protection Agency
E PA Washington, D.C. 20460
Water Compliance Inspection Report
Form Approved.
OMB No. 2040-0057
Approval expires 8-31-98
Section A: National Data System Coding (i.e., PCS)
Transaction
1 IN
Code
I 2
IL
NPDES yr/mo/day Inspection Type Inspector Fac
I 3 I NC0021491 111 12I 22/05/12 117 1810I 19I S I 2011
Type
21IIIIII
IIIIIIIIIII
IIIIIII
I
IIIIII
IIIIIIIIIII
P6
Inspection
671
Work Days
Facility Self -Monitoring
I 70I
Evaluation Rating
I 711
B1
1
72
QA
I N I
73I
1
I I
Reserved
74 71
I
I I
I
I
I
180
Section B: Facility Data
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES oermit Number)
Dutchman Creek WWTP
295 Garwood Rd
Mocksville NC 27028
Entry Time/Date
10:OOAM 22/05/12
Permit Effective Date
14/11/01
Exit Time/Date
11:30AM 22/05/12
Permit Expiration Date
19/06/30
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)
///
Dennis W Murdock/ORC/828-238-4659/
Other Facility Data
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Kenneth W Gamble,171 S Clement St Mocksville NC 27028/Town of
Manager/336-751-9187/ No
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Permit Flow Measurement Operations & Maintenar Records/Reports
Facility Site Review
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
Gary Hudson DWR/Division of Water Quality/336-776-9694/
Signature of Management Q A Reviewer Agency/Office/Phone and Fax Numbers Date
DocuSigned by:
5/31/2022
FL—o, T. Sti�dcr
PA orm ib25 -934 ( 9-94)
EPA �orm .ii bb�U�-..ii Kev Previous editions are obsolete.
Page# 1
3I
NPDES yr/mo/day
N C0021491 I11 121 22/05/12
117
Inspection Type
18 [j
1
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
*The current permit expired on 06/30/2019. A permit renewal application was submitted in 2018 but
was put on hold by Raleigh.
*Mr. Murdock does a very good job with regards to keeping records.
*The flow meter was calibrated on March 10, 2022.
*The new secondary clarifiers were clean and operating properly.
*The WWTP appeared to be well operated and maintained. No discrepancies were noted during the
inspection.
Page# 2
Permit: NC0021491
Inspection Date: 05/12/2022
Owner - Facility: Dutchman Creek WWTP
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 MODE
application?
Is the facility as described in the permit? ❑ El • El
# Are there any special conditions for the permit? ❑ ❑ El •
Is access to the plant site restricted to the general public? • ❑ ❑ ❑
Is the inspector granted access to all areas for inspection? • ❑ ❑ ❑
Comment: The current permit expired on 06/30/2019. A permit renewal application was submitted
in 2018 but was put on hold by Raleigh.
Record Keeping
Are records kept and maintained as required by the permit?
Is all required information readily available, complete and current?
Are all records maintained for 3 years (lab. reg. required 5 years)?
Are analytical results consistent with data reported on DMRs?
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?
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: Mr. Murdock does a very good job with regards to keeping records.
Yes No NA NE
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Flow Measurement - Effluent Yes No NA NE
Page# 3
Permit: NC0021491
Inspection Date: 05/12/2022
Owner - Facility: Dutchman Creek WWTP
Inspection Type: Compliance Evaluation
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?
Comment: The flow meter was calibrated on March 10, 2022.
Yes No NA NE
• ❑ ❑ ❑
Aeration Basins Yes No NA NE
Mode of operation Ext. Air
Type of aeration system Surface
Is the basin free of dead spots? • ❑ El El
Are surface aerators and mixers operational? ■ El El El
Are the diffusers operational? El El • El
Is the foam the proper color for the treatment process? • El El El
Does the foam cover less than 25% of the basin's surface? • El El El
Is the DO level acceptable? El El El •
Is the DO level acceptable?(1.0 to 3.0 mg/I) El El El •
Comment: The aeration basin appeared to be operating properly.
Secondary Clarifier
Is the clarifier free of black and odorous wastewater?
Is the site free of excessive buildup of solids in center well of circular clarifier?
Are weirs level?
Is the site free of weir blockage?
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?
Is the return rate acceptable (low turbulence)?
Is the overflow clear of excessive solids/pin floc?
Is the sludge blanket level acceptable? (Approximately'/4 of the sidewall depth)
Comment: The new secondary clarifiers were clean and operating properly.
Yes No NA NE
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Operations & Maintenance Yes No NA NE
Page# 4
Permit: NC0021491
Inspection Date: 05/12/2022
Owner - Facility: Dutchman Creek WWTP
Inspection Type: Compliance Evaluation
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 MODE
Solids, pH, DO, Sludge Judge, and other that are applicable?
Comment: The WWTP appeared to be well operated and maintained. No discrepancies were
noted during the inspection.
Page# 5