WQ0006863_Staff Report_20211029

DocuSign Envelope ID: C64988CE-82A5-4570-BFA2-8406DE71E7CB
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.: WQ0006863
Attn: Lauren Plummer Facility name: Genesis Condos WWTF
From: Helen Perez
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: 9/15/2021
b. Site visit conducted by: Helen Perez
c. Inspection report attached? ❑ Yes or ® No Uploaded in Laserfiche
d. Person contacted: Don O'Mara and their contact information: (252) 725 - 2129 ext.
e. Driving directions: 301 Salter Path Rd, Pine Knoll Shores
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. PROPOSED FACILITIES: NEW APPLICATIONS — N/A
1. Facility Classification: (Please attach completed rating sheet to be attached to issued permit)
Proposed flow:
Current permitted flow:
2. Are the new treatment facilities adequate for the type of waste and disposal system? ❑ Yes or ❑ No
If no, explain:
3. Are site conditions (soils, depth to water table, etc) consistent with the submitted reports? ❑ Yes ❑ No ❑ N/A
If no, please explain:
4. Do the plans and site map represent the actual site (property lines, wells, etc.)? ❑ Yes ❑ No ❑ N/A
If no, please explain:
5. Is the proposed residuals management plan adequate? ❑ Yes ❑ No ❑ N/A
If no, please explain:
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DocuSign Envelope ID: C64988CE-82A5-4570-BFA2-8406DE71E7CB
6. Are the proposed application rates (e.g., hydraulic, nutrient) acceptable`? ❑ Yes ❑ No ❑ N/A
If no, please explain:
7. Are there any setback conflicts for proposed treatment, storage and disposal sites? ❑ Yes or ❑ No
If yes, attach a map showing conflict areas.
8. Is the proposed or existing groundwater monitoring program adequate? ❑ Yes ❑ No ❑ N/A
If no, explain and recommend any changes to the groundwater monitoring program:
9. For residuals, will seasonal or other restrictions be required? ❑ Yes ❑ No ❑ N/A
If yes, attach list of sites with restrictions (Certification B)
Describe the residuals handling and utilization scheme:
10. Possible toxic impacts to surface waters:
11. Pretreatment Program (POTWs only):
III. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS
1. Are there appropriately certified Operators in Charge (ORCs) for the facility? ® Yes ❑ No ❑ N/A
ORC: Don O'Mara Certificate #: 7904 Backup ORC: Stanley Certificate #:993396
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:
A wastewater collection system consisting of approximately 1,055 linear feet of eight -inch gravity sewer, approximately
50 feet of four -inch force main and a 40 gallon per minute (GPM) pump station with dual pumps, high water alarms, on -
site stand-by power, a 24,000 gallon per da, (GPD) sequencing batch reactor (SBR) system consisting of a 8,000- ag Ilon
equalization tank, two (2) 15,000-gallon sequencing batch reactors, a 3,400-gallon sludge holding tank, two (2) 6�m
UV disinfection units, a 3,000-gallon dosing chamber, stand-by power and two (2) 44-foot diameter rotary distributors,
Proposed flow: 24,000 GPD
Current permitted flow: 24,000 GPD
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: C64988CE-82A5-4570-BFA2-8406DE71E7CB
9. Is the description of the facilities as written in the existing permit correct? ❑ Yes or ® No
If no, please explain: Deleted old system that was replaced by the current SBR system. See #2 above for
correct description.
10. Were monitoring wells properly constructed and located? ❑ Yes ® No ❑ N/A
If no, please explain: MW #2 appears to be inside the review boundar.
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 l lI
O I II
O / //
O / //
O l 11
O I //
O l 11
O / 11
O l 11
O / //
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 NOV/NOI was issued on 5/9/2019 by the Central
Office for not submitting a renewal application. There are some TDS exceedances in MW #1 and #4.
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: Attachment A: There should be no monitoring for Total Residual Chlorine because it has
LTV disinfection.
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: N/A
17. Pretreatment Program (POTWs only): N/A
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DocuSign Envelope ID: C64988CE-82A5-4570-BFA2-8406DE71E7CB
IV. 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
An updated site map. I MW#2 appears to be inside the review boundary.
3. List specific permit conditions recommended to be removed from the permit when issued:
Condition Reason
Total Residual Chlorine Facility has UV disinfection.
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
❑ Issue upon receipt of needed additional information
❑ Issue
❑ Deny "tUg reasons: )
6. Signature of report preparer:
Signature of regional supervisor:
Date: 10/29/2021
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DocuSign Envelope ID: C64988CE-82A5-4570-BFA2-8406DE7lE7CB
V. ADDITIONAL REGIONAL STAFF REVIEW ITEMS
This staff report is being prepared for the renewal of Genesis Condos WWTF. The permit expired on May 31, 2016.
A NOWNOI was issued by the Central Office for failure to submit a renewal application. The violation was never
received by the Permittee due to incorrect contact information.
The original system was replaced by a dual Sequencing Batch Reactor (SBR) system in 2010-2011. The design i was
approved and permitted without tertiary filters or aeration in the EQ tank, though the facility has not had any effluent
compliance issues. Since Hurricane Florence, aeration was added to one train of the SBR for better operations. The
facility is permitted for 24,000 gpd. This past summer season, it peaked to 10,000 gpd.
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