WQ0000185_Staff Report_20190220

Dow&n Envelope ID: FDC83E01-8962-4195-9649-F6390B25CF18
State of North Carolina
Division of Water Resources
Water Quality Regional Operations Section
Environmental Staff Report
Quality
To: ❑ NPDES Unit ® Non -Discharge Unit Application No.: WQ0000185
Attn: Ashley Kabat Facility name: Ocean Sands WWTP
From: Randy Sipe
Washington 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 pplicable.
I. GENERAL AND SITE VISIT INFORMATION
1. Was a site visit conducted? ® Yes or ❑ No
a. Date of site visit: 7/19/18 Compliance Inspection
b. Site visit conducted by: R. Sipe
c. Inspection report attached? ® Yes or ❑ No
d. Person contacted: Eric Weatherly and their contact information: (252) 232 - 6035 ext.
e. Driving directions: No change since the past permit was issued.
2. Discharge Point(s): N/A non -discharge s, s e
Latitude: Longitude:
Latitude: Longitude:
3. Receiving stream or affected surface waters: N/A non -discharge system
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: William D. Orgbon Certificate #: 1006384(WW-4) Backup ORC: Ralph G. Vance Certificate #:1007272
WW -4
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: Currently a combination of extended air activated sludge w/ tertiary filters and a
Amphidrome. Two additional Amphidrome treatment trains are scheduled to be completed in the spring of 2019
that will replace the extended air system.
Proposed flow: 600,000 GPD
Current permitted flow: 600,000 GPD
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DocuSign Envelope ID: FDC83E01-8962-4195-9649-F6390B25CF18
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: Groundwater monitoring
should be returned to being on a monthly basis as it was in the permits previous to the current version. Also,
WaRO suggests that VOC monitoring be on an annual basis.
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:
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 (expand table if necessary):
Monitoring Well
Latitude
Longitude
O / //
O / //
O / //
O / //
O / //
O / //
O / //
O / //
O / //
O I /I
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 are ongoing compliance issues with effluent and
groundwater quality because the old extended air treatment plant cannot adequately operate during the
summertime high flows. The compliance of the facility should improve once the two new Amphidrome treatment
trains start operatingand the old extended air plant, provided that they are operated properly
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: The compliance of the facility should improve once the two new Amphidrome treatment
trains start operatingand replace the old extended air plant, provided that they are operated properly.
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? The compliance of the facility should improve
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DocuSign Envelope ID: FDC83E01-8962-4195-9649-F6390B25CF18
once the two new Amphidrome treatment trains start operatingand nd replace the old extended air plant, provided
that the,, a�perated properly.
Have all compliance dates/conditions in the existing permit been satisfied? ❑ Yes ® No ❑ N/A
If no, please explain: The construction of the new Amphidrome treatment systems and demolition of the old
treatment system has not been completed. The conditions related to these tasks should be included in the new
permit.
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: N/A non -discharge system
17. Pretreatment Program (POTWs only): N/A non -discharge system
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
Groundwater monitoring should be returned to a monthly basis, as it was in the
Attachment C
versions of the permit previous to the current version. Also, VOC monitoring
can be reduced to being on an annual basis and should be performed in the same
month as the GW monitoring, unlike the current permit.
Conditions I.1 through I.3
Construction of the new treatment trains have not been completed. Therefore ,
these schedule conditions should remain.
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DocuSign Envelope ID: FDC83E01-8962-4195-9649-F6390B25CF18
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
❑ De%4BJr.,iw.stge reasons: )
6. Signature of report preparer:
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Signature of regional supervisor: ,o(fc� K�,/t.�,
Date: 2/20/2019
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FORM: WQROSSR 04-14 Page 4 of 4