WQ0002712_BIMS Report_20230504

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
Lincolnton NC 280930617
Contact Person: Donald Burkey Title: Lincolnton WWTP Contact Phone: [phone]
Directions to Facility:
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 Michael Cox Certification: 13191 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: 05/04/2023 Entry Time 11: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: 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: 05/04/2023 Inspection Type: Annual Report Review Reason for Visit: Routine
Inspection Summary:
This is a review of the 2022 Annual Repport (AR) for permit W00002712 for the City of Lincolnton. A site visit was not
conducted as part of this review.
TCLP data was presented as part of the AR. No elevated constituents were reported in the TCLP data.
During 2022, nine (9)of thrity-three(33) permitteed fields received 526.08 tons of Class "B" residual material across 283.88
acres.
The AR indicates that VS reduction was achieved for all four quarters of 2022.
Section 7 of the AR indicate lime amendments were made to fileds as required. During 2022, approximately six (6) fields
needed to have additional lime apllied to adjust for soil pH.
Page 2 of 4

Permit: WQ0002712 Owner - Facility: City of Lincolnton
Inspection Date: 05/04/2023 Inspection Type: Annual Report Review
Reason for Visit: Routine
Type
Yes No NA NE
Distribution and Marketing
❑
Land Application
Pathogen and Vector Attraction
Yes No NA NE
a. Fecal coliform SM 9221 E (Class A or B)
❑
❑ 0 ❑
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)
0
❑ ❑ ❑
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
❑
❑ 0 ❑
Comment: 38%VS reduction is performed for pathogen vector reduction. Primary
treatment is by
anaerobic digestion.
Treatment Yes No NA NE
Check all that apply
Aerobic Digestion ❑
Anaerobic Digestion
Alkaline Pasteurization (Class A) ❑
Alkaline Stabilization (Class B) ❑
Compost ❑
Drying Beds ❑
Other ❑
Comment: Dlqestor lops presented in the AR, indicate VS reduction at 40.8%. This exceeds the 38% VS
solids reduction method utilizated by the permittee.
Sampling
Describe sampling:
Is sampling adequate?
Yes No NA NE
■❑❑❑
Page 3 of 4

Permit: WQ0002712 Owner - Facility: City of Lincolnton
Inspection Date: 05/04/2023 Inspection Type: Annual Report Review
Is sampling representative?
Reason for Visit: Routine
■❑❑❑
Comment: Based on the data presented in the sampling logs, the sampling appears to be representative.
The greatest reduction achieved in 2022 was 51 %.
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