WQ0009267_Staff Report_20220914

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Environmental
Quality
State of North Carolina
Division of Water Resources
Water Quality Regional Operations Section
Staff Report
To: ❑ NPDES Unit ® Non -Discharge Unit Application No.: WQ0009267
Attn: Lauren Plummer
From: Tyler Benson, Helen Perez
Wilmington Regional Office
Facility name: City of Jacksonville WWTF
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.
I. GENERAL AND SITE VISIT INFORMATION
1. Was a site visit conducted? ® Yes or ❑ No
a. Date of site visit: June 16, 2021
b. Site visit conducted by: Helen Perez
c. Inspection report attached? ['Yes or ® No
d. Person contacted: and their contact information:
e. Driving directions:
2. Discharge Point(s):
Latitude: Longitude:
Latitude: Longitude:
3. Receiving stream or affected surface waters:
Classification:
River Basin and Subbasin No.
Describe receiving stream features and pertinent downstream uses:
II. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS
1. Are there appropriately certified Operators in Charge (ORCs) for the facility? ® Yes ❑ No ❑ N/A
ORC: Brandon Davis Certificate #: 1002072 Backup ORC: Donnie Marshburn Certificate
#:1006234
2. Are the design, maintenance and operation of the treatment facilities adequate for the type of waste and disposal
system? ® Yes or n No
If no, please explain:
Description of existing facilities: As described in permit per 2021 inspection. However, Blue Frog Mixers were
installed in 2018 inside of each treatment -train, in the 3MG cells.
Proposed flow: 9,000,000 GPD
Current permitted flow: 9,000,000 GPD
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Explain anything observed during the site visit that needs to be addressed by the permit, or that may be important
for the permit writer to know (i.e., equipment condition, function, maintenance, a change in facility ownership,
etc.)
3. Are the site conditions (e.g., soils, topography, depth to water table, etc) maintained appropriately and adequately
assimilating the waste? ® Yes or ❑ No
If no, please explain:
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
If yes, please explain:
5. Is the residuals management plan adequate? ® Yes or ❑ No
If no, please explain:
6. Are the existing application rates (e.g., hydraulic, nutrient) still acceptable? ® Yes or ❑ No
If no, please explain:
7. Is the existing groundwater monitoring program adequate? ® Yes ❑ No ❑ N/A
If no, explain and recommend any changes to the groundwater monitoring program:
8. Are there any setback conflicts for existing treatment, storage and disposal sites? ❑ Yes or ® No
If yes, attach a map showing conflict areas.
9. Is the description of the facilities as written in the existing permit correct? ❑ Yes or ❑ No
If no, please explain: Please see above: Question 2 regarding Blue Frog Mixers
10. Were monitoring wells properly constructed and located? ❑ Yes ❑ No ® N/A
If no, please explain:
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11. Are the monitoring well coordinates correct in BIMS? ❑ Yes ® No ❑ N/A
If no, please complete the following (expand table if necessary): Please see attached document from the
renewal application package. Minor discrepancies between this information and what is in BIMS.
Monitoring Well
Latitude
Longitude
O
,
,,
0
-
I
ll
O
/
//
0
-
I
ll
O
l
ll
0
/
ll
O
l
ll
0
/
//
O
l
ll
0
/
//
12. Has a review of all self -monitoring data been conducted (e.g., DMR, NDMR, NDAR, GW)? ® Yes or ❑ No
Please summarize any findings resulting from this review:
A review was conducted from June 2021— April 2022.
NDMR: No major issues to note
NDAR: No major issues to note
GW: MW-10 reported a limit exceedance for TDS on the following occasions:
• 26.6% over in December 2021
• 35% over in September 2021
• 31.4% over in June 2021
• 36.6% over in March 2021
MW-14 reported a limit exceedance for Ammonia Total N of 37.3% in March 2021
Provide input to help the permit writer evaluate any requests for reduced monitoring, if applicable.
13. Are there any permit changes needed in order to address ongoing BIMS violations? ❑ Yes or ® No
If yes, please explain:
14. Check all that apply:
® No compliance issues
❑ Notice(s) of violation
❑ Current enforcement action(s) ❑ Currently under JOC
❑ Currently under SOC ❑ Currently under moratorium
Please explain and attach any documents that may help clarify answer/comments (i.e., NOV, NOD, etc.)
If the facility has had compliance problems during the permit cycle, please explain the status. Has the RO been
working with the Permittee? Is a solution underway or in place?
Have all compliance dates/conditions in the existing permit been satisfied? ® Yes n No n N/A
If no, please explain:
15. Are there any issues related to compliance/enforcement that should be resolved before issuing this permit?
nYes ®NonN/A
If yes, please explain:
16. Possible toxic impacts to surface waters:
17. Pretreatment Program (POTWs only):
FORM: WQROSSR 04-14 Page 3 of 5

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6. Signature of report preparer:
Signature of regional supervisor:
Date: 9/14/2022
III. REGIONAL OFFICE RECOMMENDATIONS
1. Do you foresee any problems with issuance/renewal of this permit? ❑ Yes or ® No
If yes, please explain:
2. List any items that you would like the NPDES Unit or Non -Discharge Unit Central Office to obtain through an
additional information request:
Item
Reason
3. List specific permit conditions recommended to be removed from the permit when issued:
Condition
Reason
4. List specific special conditions or compliance schedules recommended to be included in the permit when issued:
Condition
Reason
5. Recommendation: ❑ Hold, pending receipt and review of additional information by regional office
® Hold, pending review of draft permit by regional office
n Issue upon receipt of needed additional information
Issue
n Deny (,Pleas feasons: )
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FORM: WQROSSR 04-14
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IV. ADDITIONAL REGIONAL STAFF REVIEW ITEMS
The purpose of this staff report is for the permit renewal process of Permit No. WQ0009267 - City of Jacksonville
WWTF. Please see below the coordinates submitted with the renewal application for the facility's monitoring wells
mentioned above. To note, there are very minor discrepancies between the coordinates below and BIMS.
Well Name
Parcel No.
Status
Gradient
Location
Latitude
Longitude
MW1
036084
Active
Downgradient
On Compliance Boundary
34.803191
-77.578673
MW2 _
036084
Active
Downgradient
On Compliance Boundary
34.788819
-77.577626
MW3
036084
Active
Cross gradient
Inside Field
34.787201
-77.570964
MW4
036084
Active
Downgradient
,
On Compliance Boundary
34.768070
-77.573914
MW5
036084
Active
Downgradient
On Compliance Boundary
34.755887
-77.558781
MW6
036084
Active
Downgradient
On Compliance Boundary
34.753888
-77.579815
MW7
036084
Active
Downgradient
On Compliance Boundary
34.735900
-77.598946
MW8
036084
Active
Downgradient
N/A
34,777588
-77.546408
MW9
036084
Active
Downgradient
N/A
34.778159
-77.546598
M W 10
036084
Active
Downgradient
N/A
34.779205
-77.546503
MW11
036084
Active
Upgradient
On Compliance Boundary
34.812613
-77.602563
MW12
036084
Active
Upgradient
On Compliance Boundary
34.757600
-77.599327
MW13
036084
Active
Upgradient
On Compliance Boundary
34.779967
-77.551547
MW14
036084
Active
Downgradient
On Compliance Boundary
34.772448
-77.553927
MW15
021690
Active
Cross gradient
Inside Field
34.799955
-77.592188
MW16
021689
Active
Upgradient
On Compliance Boundary
34.798622
-77.615317
MW17
021689
Active
Cross gradient
On Compliance Boundary
34.798146
-77.610748
Locations of MW8, MW9, MW10 will be reviewed and discussed with Permittee, as well as the high TDS trending in
MW 10, during the next inspection in 2023.
FORM: WQROSSR 04-14 Page 5 of 5