NCG551785_Staff Report_20230201

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.: NCG551785
Attn: Siying Chen Facility name: D'Amato SFR
From: Steve West
Wilmington Regional Office
Note: This form has been adapted from the non -discharge facili . 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: 2/l/2023
b. Site visit conducted by: Steve West
c. Inspection report attached? ❑ Yes or ® No
d. Person contacted: Heidi D'Amato
e. Driving directions: 1961 Rocky Run Road, Jacksonville
2. Discharge Point(s): 34 46 6.6 -77 16 23.5
3. Receiving stream or affected surface waters: UT to Horse Swamp
Classification: C NSW
River Basin and Subbasin No. White Oak 19-16-2-1
Describe receiving stream features and pertinent downstream uses: Low flow (30Q2=0) limited use
II. PROPOSED FACILITIES: NEW APPLICATIONS:
1. Facility Classification: N/A -SFR
Proposed flow: 360 gpd
Current permitted flow: N/A
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:
6. Are the proposed application rates (e.g., hydraulic, nutrient) acceptable? ❑ Yes ❑ No ® N/A
If no, please explain:
FORM: WQROSSR 04-14 Pagel of 3

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: N/A
10. Possible toxic impacts to surface waters: None known
11. Pretreatment Program (POTWs only): N/A
III. EXISTING FACILITIES: MODIFICATION AND RENEWAL APPLICATIONS: N/A
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
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
❑ Issue upon receipt of needed additional information
® Issue
❑ Deny (Please state reasons: )
FORM: WQROSSR 04-14 Page 2 of 3

6. Signature of report preparer:
Signature of regional supervisor:
Date:
ADDITIONAL REGIONAL STAFF REVIEW ITEMS:
Site visit on 2/1/23. Proposed receiving tributaa (30Q2=0) was noted to be 1-2 feet deep with moderate velocity.
Scattered showers during the week of the visit. The tributary flows through a sparsely populated residential area before
joining Horse Swamp (C NSW).
Submittal package contains a thorough evaluation of alternative non -discharge disposal options, and sufficiently shows
none are environmentally or economically feasible.
Treatment system submittal is straightforward and consists of a new 1250 gallon baffled conventional concrete septic tank
with effluent filter which gravity flows to an AdvanTex AX20-RT Pod recirculating treatment unit (1 recirculation pump
k, 18 gpm) with control panel and pump on/off float switches plus high water float alarm. It is recommended the alarm
systems high water and UV intensity) be connected to a dialer notification systempanel is equipped for set-up .
Effluent from the pod rg avity-flows through a UV unit to a rip rap discharge structure at pipe outlet to tributar,
This office would like to do a start-up inspection upon completion. It is recommended permit no. NCG551785 be issued
for the D'Amato property at 1961 Rocky Run Road in Jacksonville
FORM: WQROSSR 04-14 Page 3 of 3