NC0032174_Fact Sheet_20180821

DEQ / DWR / NPDES
EXPEDITED FACT SHEET - NPDES PERMIT DEVELOPMENT
NPDES Permit NCO032174
Derek Denard, Compliance & Expedited Permitting Unit / 919-807-6307 21Au 2018
FACILITY SUMMARY: United World Mission is a privately owned, 100% domestic wastewater
treatment system. The WWTP serves 5 residences and training facility with 100 staff and students. The
permit is being renewed for the continued operation of an existing 0.020 MGD wastewater treatment
facility including the following components;
• septic tank w/filter (6,000 gallons)
• filter tank (100 gallons)
• two (2) holding tanks w/filter & pumps (3,000 gallons & 1,000 gallons)
• surface sand filter
• UV disinfection.
The Sludge Management Plan includes removal of residentials twice per year (usually January and July).
RENEWAL SUMMARY: There have made no significant changes to this facility since the last permit
renewal.
We have made the following updates for the permit renewal:
1. The facility map has been updated.
2. Regulatory citations have been added.
We have made the following changes for the final permit:
3. The facility classification Grade I Biological Water Pollution Control System has been added to the
effluent page.
Fact Sheet
Renewal 2018 -- NPDES Pennit NCO032174
Page I
Facility Information
Applicant/Facility Name
United World Mission
United World Mission WWTP
Applicant Address
P.O. Box 250, Union Mills, NC 28167- 0250
Facility Address
6494 Hudlow Road, Union Mills, NC 28167
Permitted Flow (MGD)
0.020 MGD
Type of Waste
Privately owned treatment system,
100% domestic waster <1.0 MGD
Facility Class
WW -1
County
Rutherford
Permit Status
Renewal
Regional Office
ARO
Stream Characteristics
Receiving Stream
UT to Cherry Creek
Stream Classification
WS -V
Stream Segment
9-41-13-5
Drainage basin
Broad
Summer 7Q10 (cfs)
0
Subbasin
[HUC]
03-08-02
030501050403
Winter 7Q10 (cfs)
0
Use Support
2016: No Data
30Q2 (cfs)
0.075
303(d) Listed
Average Flow (cfs)
0.1
State Grid
F11NW
IWC (%)
100%
USGS Topo Quad
Rutherford N, NC
FACILITY SUMMARY: United World Mission is a privately owned, 100% domestic wastewater
treatment system. The WWTP serves 5 residences and training facility with 100 staff and students. The
permit is being renewed for the continued operation of an existing 0.020 MGD wastewater treatment
facility including the following components;
• septic tank w/filter (6,000 gallons)
• filter tank (100 gallons)
• two (2) holding tanks w/filter & pumps (3,000 gallons & 1,000 gallons)
• surface sand filter
• UV disinfection.
The Sludge Management Plan includes removal of residentials twice per year (usually January and July).
RENEWAL SUMMARY: There have made no significant changes to this facility since the last permit
renewal.
We have made the following updates for the permit renewal:
1. The facility map has been updated.
2. Regulatory citations have been added.
We have made the following changes for the final permit:
3. The facility classification Grade I Biological Water Pollution Control System has been added to the
effluent page.
Fact Sheet
Renewal 2018 -- NPDES Pennit NCO032174
Page I

The application cover letter requested that Ammonia limits be relaxed. Ammonia limits are based on instream
waste concentration (IWC). The IWC is derived from the facility design flow and stream flow information
(7Q10/30Q2). The 7Q10/30Q2 flow information is determined by the US Geological Survey. The stream flow
information at Outfall 001 for the unnamed tributary to Cherry Creek is the following: 30Q2 = 0.075,
Winter7Q10 = 0, Summer 7Q10 = 0, average CFS = 0.1. The regulation 15A NCAC 02B .0206 sets effluent
limitations for Ammonia at 2 mg/l for streams with no 7Q10 flow, but with a positive 30Q2 flow. This limit
applies unless it is determined that this limit will not protect water quality standards. Therefore, unless a new
outfall location with a positive 7Q10 is proposed, the Ammonia limits cannot be relaxed. [See attached IWC
calculations spreadsheet.]
REVIEW COMMENTS:
The regional office staff report summary:
Mikal Willmer 06/11/2018 — Submitted questions/comments previously. Concerns in regard to sand
filter systems with nutrient limits is a broad issue that will need to be addressed as a state. No
modification or correction requests from the ARO currently.
Mikal Willmer 04/04/2018 — I've spoken with Don Raish with United World Missions a few times
over the past couple of months. They requested in renewal application (and in previous renewals) to
have their NH3 limits relaxed. The stream the wastewater plant discharges into is considered zero
flow and Curtis Weaver wit USGS re -estimated the flow recently based on drainage are to be zero
flow. My question is, can the permittee request a switch to quarterly chronic toxicity monitoring
based on our ammonia -toxicity policy? They did not have exceedances in the previous 12 months,
but I know permitttees can struggle to consistently meet low NH3 limits with sand filter systems.
Response: See response to applicant regarding ammonia limits. Regarding WET testing, Minor discharges
that are 100 percent domestic with only chorine as an additive are not routinely be assigned WET limits
unless toxicity screening test predict a toxic effect under critical design conditions (Coleen Sullins, Memo:
Whole Effluent Toxicity Permit Limits and Monitoring Requirements, August 2, 1999). Therefore, WET
testing has been applied consistently for this permit for past renewals. However, the Ammonia Guidance
(May 12, 1999) does offer the following:
For any new or expanded flow, an ammonia limit should be given. However, for existing flows
where potential toxicity may be occurring, the permit holder should be given the option to have the
ammonia limit(s) placed in their permit or to have a quarterly chronic, WET test, pass/fail at the
instream waste concentration using Ceriodaphnia as the test organism. Many times the facility will
need a compliance schedule to be placed in the permit in order for renovations to be made at the
site. Such schedules should be coordinated with the regional office and the permit holder but should
not exceed three years.
An issue with WET testing is the cost to the permittee. If they were arguing the cost of paying fines for NH3
limits violations is an issue (as they did for a previous renewal), then WET testing may be cost prohibitive
as well. If the NH3 limits cannot be met, the best answer is an engineering alternative to discharge. In
conclusion, the Division has consistently applied Ammonia toxicity monitoring and limitation to this
permit. No changes are recommended.
DWR Public Water Supply Section review of discharge to surface water designated as water supply
indicated concurrence with the renewal. See attached.
Fact Sheet
Renewal 2018 -- NPDES Permit NCO032174
Page 2

DATA SUMMARY: Jan2014toJun2018 (last 4'/z years)
COMPLIANCE: See attached BIMS monitoring report violations export for Ju12013 to Jun2018.
The compliance record includes 3 monthly average exceedances of Ammonia in Jan 2014 (NOV-015-LV-
0315), Feb 2014 (NOD -2014 -LV -0075) and Feb 2015 (LV -2015-0101).
PUBLIC NOTICE SCHEDULE:
Permit to Public Notice: July 1, 2018.
Per 15A NCAC 2H.0 109 & .0 111, The Division will receive comments for a period of 30 days following
the publication date of the public notice. Any request for a public hearing shall be submitted to the Director
within the 30 days comment period indicating the interest of the party filing such request and the reasons
why a hearing is warranted.
No public comments were received.
FACT SHEET ATTACHMENTS:
• IWC Calculations including Ammonia limitation
• BIMS monitoring report violations export Ju12013 to Jun2018
• Memo: Review of Discharge to Surface Waters Designated Water Supply
• Affidavit of Publication
Fact Sheet
Renewal 2018 -- NPDES Permit NCO032174
Page 3
Data
I
Limits
Parameter -T Max
Min
Average Count
MA DM UoM
00010 - Temperature, Water Deg. Centigrade
29.7
4.3
16.38
631
deg c
00300 - Oxygen, Dissolved (DO)
18.97
5.38
9.05
631
DailyAvg a 4 mg/I mg/1
00400 - pH
8.1
3.3
10
234
Not < 6 nor > 9 su
31616 - Coliform, Fecal MF, MFC Broth, 44.5 C
370
2
19.53
112
#/100ml
50050 - Flow, in conduit or thru treatment plant
0.016
0.001
0.00
234
0.02 mgd
50060 - Chlorine, Total Residual
0.1
0.1
5,
2 10 mg/I
ug/I
C0310 - BOD, 5 -Day (20 Deg. C) - Concentration
30.3
2
2.69
108
30 45 mg/l
C0530 - Solids, Total Suspended - Concentration
30.8
4.5
8.58
108
30 45 mg/l
Notes: DO on 10/01/14 reported as 1032 mg/I is a data entry error.
0.1
0.4
4
MA = Monthly Average; DM = Daily Maximum; UoM = units of measure
10
0.6
COMPLIANCE: See attached BIMS monitoring report violations export for Ju12013 to Jun2018.
The compliance record includes 3 monthly average exceedances of Ammonia in Jan 2014 (NOV-015-LV-
0315), Feb 2014 (NOD -2014 -LV -0075) and Feb 2015 (LV -2015-0101).
PUBLIC NOTICE SCHEDULE:
Permit to Public Notice: July 1, 2018.
Per 15A NCAC 2H.0 109 & .0 111, The Division will receive comments for a period of 30 days following
the publication date of the public notice. Any request for a public hearing shall be submitted to the Director
within the 30 days comment period indicating the interest of the party filing such request and the reasons
why a hearing is warranted.
No public comments were received.
FACT SHEET ATTACHMENTS:
• IWC Calculations including Ammonia limitation
• BIMS monitoring report violations export Ju12013 to Jun2018
• Memo: Review of Discharge to Surface Waters Designated Water Supply
• Affidavit of Publication
Fact Sheet
Renewal 2018 -- NPDES Permit NCO032174
Page 3
Data
Limits
Parameter T_ Month i -
Max
Min Average Count MA DM UoM
C0610 - Nitrogen, Ammonia Total (as N) - Concentration 1
5.3
0.1
2.0
7
4 20 mg/I
2
13.1
0.1
3.7
11
4 20 mg/I
3
11.9
0.1
2.4
10
4 20 mg/I
4
1.3
0.1
0.6
5
2 10 mg/l
5
0.9
0.1
0.3
5
2 10 mg/I
6
0.2
0.1
0.1
5,
2 10 mg/I
71
0.5
0.1
0.2
4
2 10 mg/I
8
0.7
0.1
0.4
4
2 10 mg/I
9
1.2
0.1
0.4
4
2 10 mg/l
10
0.6
0.1
0.3
4
2 10 mg/I
11
3.3
0.1
1.4
4
4 20 mg/l
12
2.4
0.1
0.7
4[
4 20 mg/I
COMPLIANCE: See attached BIMS monitoring report violations export for Ju12013 to Jun2018.
The compliance record includes 3 monthly average exceedances of Ammonia in Jan 2014 (NOV-015-LV-
0315), Feb 2014 (NOD -2014 -LV -0075) and Feb 2015 (LV -2015-0101).
PUBLIC NOTICE SCHEDULE:
Permit to Public Notice: July 1, 2018.
Per 15A NCAC 2H.0 109 & .0 111, The Division will receive comments for a period of 30 days following
the publication date of the public notice. Any request for a public hearing shall be submitted to the Director
within the 30 days comment period indicating the interest of the party filing such request and the reasons
why a hearing is warranted.
No public comments were received.
FACT SHEET ATTACHMENTS:
• IWC Calculations including Ammonia limitation
• BIMS monitoring report violations export Ju12013 to Jun2018
• Memo: Review of Discharge to Surface Waters Designated Water Supply
• Affidavit of Publication
Fact Sheet
Renewal 2018 -- NPDES Permit NCO032174
Page 3

IWC Calculations
Facility: United World Mission
NC003274
Prepared By: Derek Denard
Enter Design Flow (MGD): 0.02
Enter s7Q10 (cfs): 0
Enter w7Q10 cfs : 0
Total Residual Chlorine (TRC)
Daily Maximum Limit (ug/1)
Ammonia (Summer)
Monthly Average Limit (mg NH3-N/1)
s7Q10 (CFS)
0
s7Q10 (CFS)
0
DESIGN FLOW (MGD)
0.02
DESIGN FLOW (MGD)
0.02
DESIGN FLOW (CFS)
0.031
DESIGN FLOW (CFS)
0.031
STREAM STD (UG/L)
17.0
STREAM STD (MG/L)
1.0
Upstream Bkgd (ug/1)
0
Upstream Bkgd (mg/1)
0.22
IWC (%)
100.00
IWC (%)
100.00
Allowable Conc. (ug/1)
17
Allowable Conc. (mg/1)
1.0
Ammonia (Winter)
Monthly Average Limit (mg NH3-N/I)
Fecal Coliform
w7Q10 (CFS)
0
Monthly Average Limit:
200/100ml DESIGN FLOW (MGD)
0.02
(If DF >331; Monitor)
DESIGN FLOW (CFS)
0.031
(If DF<331; Limit)
STREAM STD (MG/L)
1.8
Dilution Factor (DF)
1.00 Upstream Bkgd (mg/1)
0.22
IWC (%)
100.00
Allowable Conc. (mg/1)
1.8
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
Ammonia -as NH3-N1
1. If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals); capped at 35 mg/I
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis); capped at 35 mg/l
4. BAT for Minor Domestics: 2 mg/I (summer) and 4 mg/I (winter)
5. BAT for Major Municipals: 1 mg/I (year-round)
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)
NPDES Server/Current Versions/WLA; TB 1/16/2009

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Water Resources
Environmental Quality
June 27, 2018
MEMORANDUM
To: Kimberly Barnett
DWR / Public Water Supply
Asheville Regional Office
From: Derek C. Denard
DWQ / NPDES Program
919-807-6307; Fax [phone]; [e-mail]
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Interim Director
Subject: Review of Discharge to Surface Waters Designated Water Supply (WS)
• UT to Cherry Creek [stream index 9-41-13-5], currently classified Class WS -V
waters of sub -basin 03-08-02 [HUC: 030501050403] of the Broad River Basin
for: Renewal of NPDES NCO032174
United World Mission WWTP
6494 Hudlow Road, Union Mills 28167
Rutherford County
Please provide your comments by July 27, 2018 [email OK]
RESPONSE:
X I concur with the issuance of this permit provided the Permittee properly operates and
maintains the facility; the Permittee meets the stated effluent limits prior to discharge; and the
discharge does not contravene the designated water quality standards.
I concur with issuance of the above permit provided the following conditions are met:
I oppose the issuance of the above permit based on reasons stated below, or attached:
Signed. �" R- P-1 for Kimberly Barnett Date: June 29, 2018 cc: file
State of North Carolina I Environmental Quality
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-707-9000

AFFP
Public Notice
Affidavit of Publication
STATE OF NORTH SS
CAROLINA)
COUNTY OF RUTHERFORD
Public Notice
North Carolina Environmental
Management Commission/NP-
DES unit
1617 Mail Service Center
Raleigh, INC 27699-1617
Notice of Intent to Issue a NP -
DES Wastewater Permit
Pam Dixon, being duly sworn, says: The North Carolina Environ-
mental Management Commis -
That she is Circulation Manager of the The Daily Courier, sion proposes to issue a NP -
a daily newspaper of general circulation, printed and DES wastewater discharge
published in Forest City, Rutherford County, North
Carolina; that the publication, evidenced hereto, was permit to the person(s) listed
published in the said newspaper on the following dates: below. Written comments re -
July 01, 2018 garding the proposed permit
will be accepted until 30 days
after the publish date of this
notice. The Director of the NC
Division of Water Resources
(DWR) may hold a public
That said newspaper was regularly issued and circulated hearing should there be a sig -
on th dates. nificant degree of public in-
SI6NE : terest. Please mail comments
l -- and/or information requests to
�i
I DWR at the above address.
Circulation Manager Interested persons may visit
Subscribed to and sworn to me this 1st day of Jq 4.1018. the DWR at 512 N. Salisbury
NNA p�iStreet, Raleigh, NC to review
o. • •••. . nformatian on file. Additional
't.L� � �ypTA,9j '�� �ixlformation on NPDES per-
- e: a traits and this notice may be
+i: A 4•
Donna Petty, Notary, Rut ord County Carolina-* A, U n d on Our website
A ........... o, .-?http.11deq.nc.gov/about/dlvi-
My commission expires: October 26, 2022 r1�#?ff l cion$/water-resources/water-
resources-permits/wastewa-
ter-branch/npdes-
wastewater/public-notices, o r
30086891 30822131 919-807-6495 by calling ( 919) 807-6397.
WREN THEDFORD
United World Mission applied
NPDES permit
DEQ -DIVISION OF WATER RESOURCES (FC) to renew
n e enew w
1617 MAIL SERVICE CENTER CNC46494 Hudlow
RALEIGH, NC 27699-1617 Road, Union Mills, Rutherford
County, discharging treated
wastewater to Cherry Creek,
Broad River Basin.
July 1, 2018