WQ0036766_Staff Report_20230830

DocuSign Envelope ID: 67B7B8F1-9A77-46B1-B4D8-457C2E2B76DE
State of North Carolina
®r- Division of Water Resources
Water Quality Regional Operations Section
Environmental Staff Report
Quality
August 29, 2023
To: ❑ NPDES Unit ® Non -Discharge Unit Application No.: WQ0036766
Attn: Leah Parente Facility Name: Cedar Point WWTP
From: Chad Coburn and Trey Baranyai
Wilmington Regional Office
Note: This form has been adapted from the non -discharge fg acili . 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: 11-21-2021
b. Site visit conducted by: Chad Coburn
c. Inspection report attached? ❑ Yes or ® No
d. Person contacted: and their contact information: (_) - ext.
e. Driving directions: Cedar Point Boulevard, Cedar Point, NC. From Wilmington take US 17 North for
annroximately 66 miles throueh Jacksonville on US24 East. Turn Left onto Sherwood Avenue and the site is
hysically situated on the right at Little Bay Drive.
2. Discharge Point(s): NA
3. Receiving stream or affected surface waters: NA
2. Afe the tfeatment faeilifies
for- the t-fpe disposal
system? El Yes or- El No
new adeque4e
•
of waste a -ad
3. Are depth to
table, the
D Yes [71 No D N/A
site eenditions (soils,
water- ete.) eonsistef4 with
s4mitted r-epet4s?
ifno, please explain:
4, Do the
the lines,
ete.)? E] Yes E] No
pla-as a -ad site map fepr-eseat
aettial site (pr-epef�y wells,
if no, please explain:
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DocuSign Envelope ID: 67B7B8F1-9A77-46B1-B4D8-457C2E2B76DE
i
ffir
III. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS
1. Are there appropriately certified Operators in Charge (ORCs) for the facility? ® Yes ❑ No ❑ N/A
ORC: Lee Buck Certificate #:993396 Backup ORC: John Blind Certificate #:1012677
2. Are the design, maintenance and operation of the treatment facilities adequate for the type of waste and disposal
system? ® Yes or ❑ No
If no, please explain:
Description of existing facilities: The treatment system consists of dual train, below grade Moving Bed Biofilm
Reactor (MBBR) with the ability to feed supplemental carbon for BNR enhancement. Influent wastewater enters
the system at the septic/solids storage tank where solids can accumulate for removal. Then wastewater is moved
via pump station to the equalization chamber. From the EQ chamber the wastewater moves to the pre -anoxic
chamber, the aerobic MBBR, and then to the post -anoxic chamber. Wastewater and mixed liquor can be recycled
to improve nitrate removal rates as it passes through the pre -anoxic chamber.
Proposed flow:
Current permitted flow:0.015MGD
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.
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DocuSign Envelope ID: 67B7B8F1-9A77-46B1-B4D8-457C2E2B76DE
9. Is the description of the facilities as written in the existing permit correct? ® Yes or ❑ No
If no, please explain:
10. Were monitoring wells properly constructed and located? ❑ Yes ❑ No ❑ N/A
If no, please explain:
11. Are the monitoring well coordinates correct in BIMS? ® Yes ❑ No ❑ N/A
If no, please complete the following ex and table if necessary):
Monitoring Well
Latitude
Longitude
0
0
0
0
p , „
_ 0 ,
p , „
_ 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: There were 2 NOVs issued by the WiRO, one for July
2022 (Total N exceeded the monthly average and TSS, Cl were missing from the monitoring report) and February
2023 (TSS exceeded the daily maximum and Total N, TSS exceeded the monthly. average l). The facility has
had Total N issues which are potentially related to poor BNR performance.
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 ❑ Current enforcement action(s) ❑ Currently under JOC
❑ Notice(s) of violation ❑ 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 ❑ No ® N/A
If no, please explain:
15. Are there any issues related to compliance/enforcement that should be resolved before issuing this permit?
❑ Yes ®No❑N/A
If yes, please explain:
16. Possible toxic impacts to surface waters:
17. Pretreatment Program (POTWs only):
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DocuSign Envelope ID: 67B7B8F1-9A77-46B1-B4D8-457C2E2B76DE
IV. REGIONAL OFFICE RECOMMENDATIONS
1. Do you foresee any problems with issuance/renewal of this permit? ® Yes or ❑ No
If yes, please explain: See Item V.
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
See Item V
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:
0
❑ 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
Signature of report preparer
Signature of regional supervisor:
Date: 8/30/202 3
Docu Signed by: E3ABA14AC7DC434...
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DocuSign Envelope ID: 67B7B8F1-9A77-46B1-B4D8-457C2E2B76DE
V. ADDITIONAL REGIONAL STAFF REVIEW ITEMS
Please have the applicant respond to the followingitems.
ems:
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