WQ0017824_Staff Report_20191101

DocuSign Envelope ID: A063C2FF-492F-4DAB-94EE-6CD925525F24
State of North Carolina
Division of Water Resources
Water Quality Regional Operations Section
Staff Report
November 1, 2019
To: DWR Central Office — WQ, Non -Discharge Unit Application No.: W00017824
Attn: Poonam Giri Facility name: Uwharrie Ridge 6-12, Wastewater Irrigation
From: Patrick Mitchell
Winston-Salem Regional Office
Note: This form has been adapted from the non -discharge facility staff report to document the review of both non -discharge and NPDES permit applications and/or renewals. Please complete all sections as they are applicable.
L GENERAL AND SITE VISIT INFORMATION
1. Was a site visit conducted? ® Yes or ❑ No
a. Date of site visit: 10/31/2019
b. Site visit conducted by: P. Mitchell
c. Inspection report attached? ❑ Yes or ® No
d. Person contacted: Fred Thomen, ORC and their contact information: (336) 318 - 6055
e. Driving directions: See file.
II. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS
1. Are there appropriately certified Operators in Charge (ORCs) for the facility? ® Yes ❑ No ❑ N/A
ORC: Fred Thomen Backup ORC: Allen Kerns
2. Are the design, maintenance and operation of the treatment facilities adequate for the type of waste and disposal
system? ® Yes or ❑ No
3. Are the site conditions (e.g., soils, topography, depth to water table, etc) maintained appropriately and adequately
assimilating the waste? ® Yes or ❑ No
4. Has the site changed in any way that may affect the permit (e.g., drainage added, new wells inside the compliance
boundary, new development, etc.)? ❑ Yes or ® No
5. Is the residuals management plan adequate? ® Yes or ❑ No
6. Are the existing application rates (e.g., hydraulic, nutrient) still acceptable? ® Yes or ❑ No
If no, please explain: See note under IV. Additional Regional Staff Review Items.
7. Is the existing groundwater monitoring program adequate? ❑ Yes ❑ No ® N/A
8. Are there any setback conflicts for existing treatment, storage and disposal sites? ❑ Yes or ® No
9. Is the description of the facilities as written in the existing permit correct? ❑ Yes or ® No
If no, please explain: System now has a rain sensor serving it. Needs to be added to the permit system description.
10. Were monitoring wells properly constructed and located? ❑ Yes ❑ No ® N/A
11. Are the monitoring well coordinates correct in BIMS? ❑ Yes ❑ No ® N/A
12. Has a review of all self -monitoring data been conducted (e.g., DMR, NDMR, NDAR, GW)? ® Yes or ❑ No
13. Are there any permit changes needed in order to address ongoing BIMS violations? ❑ Yes or ® No
14. Check all that apply:
® No compliance issues ❑ Current enforcement action(s) ❑ Currently under JOC
❑ Notice(s) of violation ❑ Currently under SOC ❑ Currently under moratorium
FORM: WQROSSR 04-14 Page 1 of 2

DocuSign Envelope ID: A063C2FF-492F-4DAB-94EE-6CD925525F24
Have all compliance dates/conditions in the existing permit been satisfied? ® Yes ❑ No ❑ N/A
15. Are there any issues related to compliance/enforcement that should be resolved before issuing this permit?
❑ Yes ®No❑N/A
III. REGIONAL OFFICE RECOMMENDATIONS
1. Do you foresee any problems with issuance/renewal of this permit? ❑ Yes or ® No
2. List any items that you would like the NPDES Unit or Non -Discharge Unit Central Office to obtain through an
additional information request:
3. List specific permit conditions recommended to be removed from the permit when issued:
4. List specific special conditions or compliance schedules recommended to be included in the permit when issued:
5. Recommendation: ❑ Hold, pending receipt and review of additional information by regional office
® Hold, pending review of draft permit by regional office
❑ Issue upon receipt of needed additional information
❑ Issue
❑ DepZ (Please state reasons: )
ocuSigned by:
6. Signature of report preparer:� _sneer
Signature of regional supervisol .548B6Co265C47A... Loti T S.nolcr
Date: November 1, 2019
IV. ADDITIONAL REGIONAL STAFF REVIEW ITEMS
On October 31, 2019 WSRO staff made a site visit to the subject facility for a review associated with application for permit
renewal. Fred Thomen (ORC), Allen Kerns (BU-ORC), and Larry Chilton (Director) accompanied staff on the visit. The
following items from the site visit should be noted:
A rain sensor is present on the system and the system is automatically running at times. Need to add rain sensor in
the permit system description. Other than the rain sensor the system matches the permit system description.
2. The permit allows up to 39.0 inches/year loading to each irrigation zone. Using the February 2019 NDMR effluent data
to calculate PAN concentration in effluent, using the acreage for zone #13, and using 39.0 inches/year loading... If this
rate was sustained for 12 months, the PAN loading would be —148 lbs. of PAN/acre/year. The PAN limit for the forested
cover present in the irrigation zones would be —100 lbs. of PAN/acre/year.
*If annual irrigation loading significantly increases and effluent PAN concentrations remain similar to the 2/2019 data,
there is potential for agronomic limitations to be present. WSRO staff will continue monitoring for agronomic
loading. If annual loading approaches limits, permit modification to include agronomic limitations and
groundwater monitoring may be warranted.
FORM: WQROSSR 04-14 Page 2 of 2

Compliance Inspection Report
Permit: WQ0017824 Effective: 03/01/15 Expiration: 02/29/20 owner: Randolph County Board Of Education
SOC: Effective: Expiration: Facility: Uwharrie Middle School
County: Randolph
2222-C S Fayetteville St
Region: Winston-Salem
Asheboro NC 27203
Contact Person: Robert J Scherer Title: Phone: [phone]
Directions to Facility:
System Classifications: SI,
Primary ORC: Frederick R. Thomen
Secondary ORC(s):
On -Site Representative(s):
Related Permits:
Inspection Date: 10/31/2019
Primary Inspector: Patrick Mitchell
Secondary Inspector(s):
Certification: 986613 Phone:
EntryTime: 10:10AM Exit Time: 11:30AM
Phone: [phone]
Reason for Inspection: Other
Permit Inspection Type: Wastewater Irrigation
Facility Status: ❑ Compliant ❑ Not Compliant
Question Areas:
Miscellaneous Questions
(See attachment summary)
Inspection Type: Reconnaissance
$ Neither
Page 1 of 3

Permit: WQ0017824 Owner - Facility: Randolph County Board Of Education
Inspection Date: 10/31/2019 Inspection Type : Reconnaissance Reason for Visit: Other
Inspection Summary:
On October 31, 2019 WSRO staff made a site visit to the subject facility for a review associated with application for permit
renewal. Fred Thomen (ORC), Allen Kerns (BU-ORC), and Larry Chilton (Director) accompanied staff on the visit. Below is a
summary of notes from the site visit.
❑ The school has changed from a middle school to a 6 — 12 grade trade school. They are not operating at full capacity yet,
as they are still in process of transitioning the school to 6 — 12.
❑ The system is automatically running at times. A rain sensor is present and working properly at time of inspection. Need to
add rain sensor in permit system description, if not already in it.
❑ It was unknown if the drip system has been calibrated yet. Representatives indicated that Jack Harman may have
completed this during a recent visit to work on the system. To check with him for a report. Discussed calibration methods
and offered technical assistance if it is desired when the calibrate. Reminded them that calibration is before the current
permit expires (February 29, 2020).
❑ The drip system was not operated at the time of the site visit due to rainfall.
❑ Next inspection, irrigation zone #13 needs to be reviewed in operation. Over the most recent 12 reporting months, zone
#13 reported up to 8.4 inches/year loading while all 15 of the other zones were in the 1 to 2 inches/year range for loading.
Asked ORCs about this and they indicated they typically load all similarly. Potentially leaks in #13?
❑ The permit allows up to 39.0 inches/year loading to each irrigation zone. Using the February 2019 NDMR effluent data to
calculate PAN concentration in effluent, using the acreage for zone #13, and using 39.0 inches/year loading... If this rate
was sustained for 12 months, the PAN loading would be —148 lbs. of PAN/acre/year. The PAN limit for the forested cover
would be —100 lbs. of PAN/acre/year.
CIF ANNUAL IRRIGATION LOADING SIGNIFICANTLY INCREASES AND EFFLUENT PAN CONCENTRATIONS ARE
SIMILAR TO 2/2019 DATA, THERE IS POTENTIAL FOR AGRONOMIC LIMITATIONS TO BE PRESENT. IF IRRIGATION
LOADING AND/OR PAN LOADING APPROACHES THEIR LIMITS, PERMIT MOD. TO MONITOR PAN LOADING &
GROUNDWATER MONITORING MAY BE WARRANTED.
❑ Soil analyses results were reviewed for the period of 2014 — 2018. Several zones had lower pH values reported (discussed
proper sampling). No other issues were noted (e.g. no issues noted for metals, sodium, ESP, etc.). The 2019 soil sampling
had not been conducted yet.
Page 2 of 3

Permit: WQ0017824
Inspection Date: 10/31/2019
Owner - Facility: Randolph County Board Of Education
Inspection Type : Reconnaissance Reason for Visit: Other
Type
Yes No NA NE
Recycle/Reuse
❑
Infiltration System
❑
Activated Sludge Spray, LR
❑
Activated Sludge Spray, HR
❑
Lagoon Spray, LR
❑
Single Family Drip
❑
Reuse (Quality)
❑
Single Family Spray, LR
❑
Activated Sludge Drip, LR
Page 3 of 3

North Carolina Department of Environmental Quality
Division of Water Resources
Water Quality Section
NON -DISCHARGE COMPLIANCE INSPECTION REPORT
WASTEWATER IRRIGATION
General Information
Facility Name: I,+atri'e ",t ('9-/Z-le WL4Z
Permit No.: W00017P2.tf•
Owner:
ORC Name: M
Backup OR ins
Other Contact
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County:
Issuance Date: I z l iq 1201 t
Expiration Date: 2/a_q/2oZf>
Telephone No
Telephone No.: 60 736 -GSPP
Telephone No.: 73(- 318- G09G 0 V5--31135__
Reason for Inspection FCl"'Ad
❑ ROUTINE ❑ FOLLOW-UP ❑ COMPLAINT YPERMITTING ❑ Other:
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