WQ0002712_BIMS Report_20220509

Compliance Inspection Report
Permit: WQ0002712 Effective: 04/14/22 Expiration: 11/30/25 Owner : City of Lincolnton
SOC: Effective: Expiration: Facility: City of Lincolnton Class B Residuals Program
County: Lincoln 550 Hwy 150 W By -Pass
Region: Mooresville
Contact Person: Donald Burkey
Directions to Facility:
Lincolnton NC 280930617
Title: Lincolnton WWTP Contact Phone: [phone]
Linconton WWTP - Frm MRO travel to NC-150 W Rt on NC150/NC-27 Lft on NC-150-BYP. from WWTP to WTP- turn Rt onto
NC-150 W Rt onto S Grove Lt on Hilltop Rt on W Hwy 150 Rt on NC-27 E Lt on N Grove cont. on Reepsville Rd.
System Classifications: LA,
Primary ORC: Robert Nathaniel Roth Certification: 1001672 Phone: [phone]
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
NC0025496 City of Lincolnton - Lincolnton WWTP
NC0085588 City of Lincolnton - Lincolnton WTP
Inspection Date: 05/09/2022
Entry Time 09:OOAM Exit Time: 05:OOPM
Primary Inspector: Edward Watson Phone:
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Annual Report Review
Permit Inspection Type: Land Application of Residual Solids (503)
Facility Status: II Compliant Not Compliant
Question Areas:
▪ Miscellaneous Questions Treatment Sampling
▪ Pathogen and Vector Attraction
(See attachment summary)
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Permit: WQ0002712 Owner - Facility: City of Lincolnton
Inspection Date: 05/09/2022
Inspection Type : Annual Report Review
Reason for Visit: Routine
Inspection Summary:
This is a review of the 2021 Annual Report (AR) for permit WQ0002712 for the City of Lincolnton. A site visit was not
conducted as part of this review.
Section 2 of the AR indicates that no elevated metals were reported and TCLP is reported to be within permit limits.
In 2021, eleven of 33 permitted fields received soil amendments of class "B" residuals through permit WQ0002712.
The AR indicates adequate reduction was achieved during all four quarters. The data is sufficiently noted in Section 5
Pathogen and Vector Attraction Reduction of the AR.
Section 6 of the AR indicates that all fields the received residual required lime amendment to be applied to the fields
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Permit: WQ0002712 Owner - Facility: City of Lincolnton
Inspection Date: 05/09/2022
Inspection Type : Annual Report Review
Reason for Visit: Routine
Type
Distribution and Marketing
Land Application
Pathogen and Vector Attraction
Yes No NA NE
Yes No NA NE
a. Fecal coliform SM 9221 E (Class A or B) ❑ ❑ • ❑
Class A, all test must be <1000 MPN/dry gram ❑
Geometric mean of 7 samples per monitoring period for class B<2.0*10E6 CFU/dry gram ❑
Fecal coliform SM 9222 D (Class B only) • ❑ ❑ ❑
Geometric mean of 7 samples per monitoring period for class B<2.0*10E6 CFU/dry gram •
b. pH records for alkaline stabilization (Class A) ❑ ❑ • ❑
c. pH records for alkaline stabilization (Class B) ❑ ❑ • ❑
Temperature corrected ❑
d. Salmonella (Class A, all test must be < 3MPN/4 gram day) ❑ ❑ • ❑
e. Time/Temp on: ❑ ❑ • ❑
Digester (MCRT) •
Compost ❑
Class A lime stabilization ❑
f. Volatile Solids Calculations • ❑ ❑ ❑
g. Bench -top Aerobic/Anaerobic digestion results ❑ ❑ • ❑
Comment: 38% Reduction is performed for pathogen vector reduction. Primary treatment is performed by
anaerobic digestion.
Treatment
Check all that apply
Aerobic Digestion
Anaerobic Digestion
Alkaline Pasteurization (Class A)
Alkaline Stabilization (Class B)
Compost
Drying Beds
Other
Yes No NA NE
•
Comment: Digestor logs were presented as part of the AR to verify VS% reduction for four quarters of
sampling. The lowest percent reduction occurred in the third quarter with a reduction of
43.8%. The greatest reduction achieved was in the second quarter with a reduction of 53.2%.
The overall reduction rate for 2021 continues to be more consistent than the previous year.
Sampling
Describe sampling:
Yes No NA NE
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Permit: WQ0002712 Owner - Facility: City of Lincolnton
Inspection Date: 05/09/2022
Inspection Type : Annual Report Review
Reason for Visit: Routine
Is sampling adequate?
Is sampling representative?
• •
❑ ❑ ❑
❑ ❑ ❑
Comment: Based on the data provided from the digestor logs, the sampling appears to be representative.
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