WQ0036723_BIMS Report_20230501

Compliance Inspection Report
Permit: WQ0036723 Effective: 12/09/21 Expiration: 09/30/23 Owner: Town of Mooresville
SOC: Effective: Expiration: Facility: Town of Mooresville Class A Residuals Progran
County: Iredell 369 Johnson Dairy Rd
Region: Mooresville
Mooresville NC 28115
Contact Person: Allison Kraft Title: Phone: [phone]
Directions to Facility:
From MRO take Carpenter Ave. Turn right on onto Hway 3. Turn right onto Johnson Dairy Road
System Classifications:
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
NC0046728 Town of Mooresville - Rocky River WWTP
Inspection Date: 04/28/2023 Entry Time 10:OOAM Exit Time: 01:OOPM
Primary Inspector: Edward Watson Phone:
Secondary Inspector(s):
Reason for Inspection: Routine Inspection Type: Compliance Evaluation
Permit Inspection Type: Distribution of Residual Solids (503)
Facility Status: ❑ Compliant ❑ Not Compliant
Question Areas:
Miscellaneous Questions Record Keeping Treatment
Sampling Pathogen and Vector Attraction
(See attachment summary)
Page 1 of 4

Permit: WQ0036723 Owner - Facility: Town of Mooresville
Inspection Date: 04/28/2023 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Inspection Summary:
On April 28, 2023, MRO staff performed a Compliance Inspection for permit WQ0036723. This is a distribution permit.
The dryer was recently down due to mechanical issues. The dryer was restored to service on 4/28/2023.
Due to the time needed to process the biosolids through the dryer, the permittee does not have a the ability to keep up with
the demand for the Class "A" residual product.
Synagro is employed to dispose of the extra class "B" biosolids that cannot be run through the dryer.
Page 2 of 4

Permit: WQ0036723 Owner - Facility: Town of Mooresville
Inspection Date: 04/28/2023 Inspection Type: Compliance Evaluation Reason for Visit: Routine
Type
Land Application
Distribution and Marketing
Yes No NA NE
Record Keeping
Yes No NA NE
Is GW monitoring being conducted, if required?
❑
❑ 0 ❑
Are GW samples from all MWs sampled for all required parameters?
❑
❑ ❑
Are there any GW quality violations?
❑
❑ ❑
Is GW-59A certification form completed for facility?
❑
❑ ❑
Is a copy of current permit on -site?
❑ ❑ ❑
Are current metals and nutrient analysis available?
❑ ❑ ❑
Are nutrient and metal loading calculating most limiting parameters?
❑
❑ ❑
a. TCLP analysis?
❑ ❑ ❑
b. SSFA (Standard Soil Fertility Analysis)?
❑
❑ ❑
Are PAN balances being maintained?
❑ ❑ ❑
Are PAN balances within permit limits?
❑ ❑ ❑
Has land application equipment been calibrated?
❑
❑ ❑
Are there pH records for alkaline stabilization?
❑
❑ ❑
Are there pH records for the land application site?
❑
❑ ❑
Are nutrient/crop removal practices in place?
❑
❑ ❑
Do lab sheets support data reported on Residual Analysis Summary?
❑ ❑ ❑
Are hauling records available?
❑
❑ ❑
Are hauling records maintained and up-to-date?
❑
❑ ❑
# Has permittee been free of public complaints in last 12 months?
❑
❑ ❑
Has application occurred during Seasonal Restriction window?
❑
❑ 0 ❑
Comment: This is a distribution permit. There are no wells associated with this permit. The
permittee
provides information to the receiving party regarding how to best use the Class "A" residuals.
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)
❑
❑ ❑
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
❑
Page 3 of 4

Permit: WQ0036723 Owner - Facility: Town of Mooresville
Inspection Date: 04/28/2023 Inspection Type: Compliance Evaluation Reason for Visit: Routine
d. Salmonella (Class A, all test must be < 3MPN/4 gram day) ❑ ❑ 0 ❑
e. Time/Temp on: ❑ ❑ 0 ❑
Digester (MCRT)
Compost ❑
Class A lime stabilization ❑
f. Volatile Solids Calculations 0 ❑ ❑ ❑
g. Bench -top Aerobic/Anaerobic digestion results ❑ ❑ 0 ❑
Comment: PVAR is achieved through the dryer at a constant temperature over a controlled period of time.
Samples are collected at a dedicated a point at the end of the dryer and final reducion is
measured.
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: Primary treatment is through aerobic digestion.
Sampling Yes No NA NE
Describe sampling:
Sampling is performed at several points during the drying process. The temperature is controlled to maintain
the organic compositions of the residual product so the residual can be used as beneficial reuse of
biosolids.
Is sampling adequate? ❑ ❑ ❑
Is sampling representative? 0 ❑ ❑ ❑
Comment: Due to the <1000 MPN/dry gram, measurement for Fecal Colifform bacteria, the sampling is
considered to be representative.
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