WQ0010583_Annual Report_20230426

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
NORTH CAROLINA
Environmental Quality
April 26, 2023
Delivered via email to: [e-mail]
Johnny Lambert - Utilities Director
Davie County
123 South Main Street
Mocksville, North Carolina 27028
SUBJECT: 2022 Annual Report Review
Davie County Residuals Land Application Program
Permit No. WQ0010583
Davie County
Dear Mr. Lambert:
On April 19, 2023, Division of Water Resources staff Caitlin Caudle completed a review of
the 2022 Annual Report. This review reflected compliance with the subject permit.
Please refer to the enclosed inspection report for additional comments and observations. If
you have any questions, please contact Caitlin Caudle at the letterhead address and phone
number, or by email at [e-mail].
Sincerely,
�-�'ME225C94EA..
uSiTgned by:
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Lon T.Snider, Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDEQ-WSRO
Enc: Inspection Report
Cc: Brent Collins, EMA Resources (electronic copy)
Davie County Environmental Health (electronic copy)
DffNorth Carolina Department of Environmental Quality I Division of Water Resources
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Winston-Salem Regional Office 1 450 W. Hanes Mill Rd, Suite 300 I Winston-Salem, North Carolina 27105
M336.776.9800
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Compliance Inspection Report
Permit: WQ0010583 Effective: 09/14/22 Expiration: 09/30/28 Owner : Davie County
SOC: Effective: Expiration: Facility: Davie County Class B Residuals Program
County: Davie Hwy 801 S
Region: Winston-Salem
Cooleemee NC 27014
Contact Person: Brent M Collins Title: Phone: [phone]
Directions to Facility:
System Classifications: LA,
Primary ORC: Certification: Phone:
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
NC0024872 Davie County - Cooleemee WWTP
Inspection Date: 04/19/2023 Entry Time 09:OOAM
Primary Inspector: Caitlin Caudl C68B834968199D49D_
DOCUSigned by:
Secondary Inspector(s): �rulti l�D_
Exit Time: 12:OOPM
Phone: [phone]
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 Record Keeping Treatment
Sampling Pathogen and Vector Attraction
(See attachment summary)
Page 1 of 4

Permit: WQ0010583 Owner - Facility: Davie County
Inspection Date: 04/19/2023 Inspection Type: Annual Report Review Reason for Visit: Routine
Inspection Summary:
On April 19, 2023, Division of Water Resources staff Caitlin Caudle conducted a review of the 2022 Annual Report. This
review reflected compliance with the subject permit.
Other observations:
• 721.24 tons were applied, requiring quarterly sampling. Sampling was completed on 3/16/2022, 4/20/2022, 5/4/2022,
and 12/29/2022. Application events occurred in March, April, and May.
• Selenium was misreported on the Annual Residual Sampling Summary Form for the 12/29/2022 sampling event. Lead is
listed as 1670 mg/kg on the form and <9.14 mg/kg on the analysis report.
• The Annual Land Application Summary form reported 23 fields currently in the permit. According to the most recent
Attachment B issued September 14, 2022, there are only 10 fields in this permit.
• Six fields were utilized in 2022.
• Field DV-09-02 and RO-01-01 both had pH < 6.0. Neither field was reported to have received lime applications in 2022.
• 30-day bench scale test and volatile solids reduction were used as the vector reduction method.
Page 2 of 4

Permit: WQ0010583 Owner - Facility: Davie County
Inspection Date: 04/19/2023 Inspection Type: Annual Report Review
Reason for Visit: Routine
Type
Yes No NA NE
Distribution and Marketing
❑
Land Application
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?
❑
❑ 0 ❑
Are there any GW quality violations?
❑
❑ 0 ❑
Is GW-59A certification form completed for facility?
❑
❑ 0 ❑
Is a copy of current permit on -site?
❑
❑ ❑
Are current metals and nutrient analysis available?
0
❑ ❑ ❑
Are nutrient and metal loading calculating most limiting parameters?
0
❑ ❑ ❑
a. TCLP analysis?
0
❑ ❑ ❑
b. SSFA (Standard Soil Fertility Analysis)?
0
❑ ❑ ❑
Are PAN balances being maintained?
0
❑ ❑ ❑
Are PAN balances within permit limits?
0
❑ ❑ ❑
Has land application equipment been calibrated?
❑
❑ ❑
Are there pH records for alkaline stabilization?
❑
❑ 0 ❑
Are there pH records for the land application site?
0
❑ ❑ ❑
Are nutrient/crop removal practices in place?
0
❑ ❑ ❑
Do lab sheets support data reported on Residual Analysis Summary?
0
❑ ❑ ❑
Are hauling records available?
❑
❑ ❑
Are hauling records maintained and up-to-date?
❑
❑ ❑
# Has permittee been free of public complaints in last 12 months?
0
❑ ❑ ❑
Has application occurred during Seasonal Restriction window?
0
❑ ❑ ❑
Comment:
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
❑
d. Salmonella (Class A, all test must be < 3MPN/4 gram day)
❑
❑ ❑ ❑
Page 3 of 4

Permit: WQ0010583 Owner - Facility: Davie County
Inspection Date: 04/19/2023 Inspection Type: Annual Report Review Reason for Visit: Routine
e. Time/Temp on: ❑ ❑ ❑ ❑
Digester (MCRT) ❑
Compost ❑
Class A lime stabilization ❑
f. Volatile Solids Calculations 0 ❑ ❑ ❑
g. Bench -top Aerobic/Anaerobic digestion results ❑ ❑ ❑ ❑
Comment:
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:
Sampling Yes No NA NE
Describe sampling:
Is sampling adequate? 0 ❑ ❑ ❑
Is sampling representative? 0 ❑ ❑ ❑
Comment:
Page 4 of 4