NC0086924_Renewal (Application)_20190816

,,,,stir.4
�1
ROY COOPER - ,, =l I
g
Governor �;
MICHAEL S.REGAN1.
� f
Secretory `'NAM`�'�
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
August 19, 2019.
Johnny Spencer, Utilities Dir.
Tyrrell County
108 S Water St
Columbia, NC 27925-0449
Subject: Permit Renewal
Application No. NC0086924
Reverse Osmosis WTP
Tyrrell County
Dear Applicant:
The Water Quality Permitting Section acknowledges the August 16, 2019 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150E-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit.The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sine rely, /---) . to
60 vili In
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
:�,� North Cerohna D_partm_nt of Environmental Qus]fty I Divs»n of V.'ater Rtesoura=_s
a_,_E �✓'y� 1°leshingtan Regional C?fFroe 19431°lsshington were R4sti 11°1ssh:ngtan,North C3rofns 278s39
`./ 252-348-84$1

Engineering
Landscape Architecture
Surveying
August 12, 2019
NCDENR/ DWQ RECEIVED/NCDEQ/DWR
Atten: NPDES Unit
1617 Mail Service Center AUG 1 6 7019
Raleigh, North Carolina 27699-1617
Water Quality
Permitting Section
Re: Tyrrell County—NPDES Permit Renewal
NPDES No. NC0086924
To Whom It May Concern:
Regarding the above referenced project, please find one hard copy of the NPDES Permit
Renewal Application enclosed.
Thank you,
)144r4f_ 1/1441*—
Suzanne Martin
•
LKC Engineering,PLLC,140 Aqua Shed Court,Aberdeen,North Carolina 28315
PIP 910/420-1437*FAX [phone]*License No.P-1095

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number NC0086924
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise,please print or type.
1. Contact Information:
Owner Name Tyrrell County / David Clegg
Facility Name Tyrrell County Reverse Osmosis WTP
Mailing Address PO Box 449
City Columbia
State / Zip Code North Carolina / 27925
Telephone Number [phone]
Fax Number [phone]
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same as above El
Street Address or State Road 3868 Albemarle Church Road
City Columbia
State / Zip Code North Carolina / 27925
County Tyrrell
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name Tyrrell County Public Utilities
Mailing Address PO Box 449
City Columbia
State / Zip Code North Carolina / 27925
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal El State ❑ Private El Public @
Page 1 of 3 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
5. Type of treatment plant:
❑ Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
El Ion Exchange (Sodium Cycle Cationic ion exchange)
El Green Sand Filter (No sodium recharge)
® Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener ❑
6. Description of source water(s) (i.e. groundwater, surface water)
Groundwater
7. Describe the treatment process(es) for the raw water:
Groundwater is pumped through cartridge filters then reverse osmosis membranes primarily to
remove salinity from the water, plus other salts and minerals. The permeate water is then
disinfected and pumped into the distribution system. The membrane concentrate (reject) water
is discharged into the Albemarle Sound.
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
There is no treatment process for the concentrate flow. The pressure from the reverse osmosis
high pressure pump provides enough pressure to force the concentrate stream to its discharge
location in the Albemarle Sound.
9. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge: Continuous El Intermittent Ej
If intermittent:
Days per week discharge occurs: 6 Duration: 8-16 hours/dav
11. Plant design potable flowrate 0.936 MGD
Backwash or reject flow 0.06416 MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude): (See attached map)
Bull Bay
13. Please list all water treatment additives, including cleaning chemicals or disinfection -
treatments, that have the potential to be discharged.
Alum / aluminum sulfate Yes No x
Iron sulfate / ferrous sulfate Yes No x
Fluoride Yes No x
Ammonia nitrogen / Chloramines Yes No x
Zinc-orthophosphate or sweetwater CP1236 Yes No x
Page 2 of 3 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
List any other additives below:
The only chemical fed prior to the membranes is the anti-scalant to reduce the frequency of membrane fouling.
14. Is this facility located on Indian country? (check one)
Yes ❑ No Ej
15. Additional Information:
> Provide a schematic of flow through the facility, include flow volumes at all points in
the water treatment process. The plan should show the point[s] of addition for
chemicals and all discharges routed to an outfall [including stormwater].
The process flow is not changing as a result of this modification and has not changed since the
issuance of the original NPDES permit.
> Solids Handling Plan
There are no solids produced in the treatment process.
16. NEW Applicants-DOES NOT APPLY
Information needed in addition to items 1-15:
> New applicants are highly encouraged to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ No
> Analyses of source water collected
> Engineering Alternative Analysis
> Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Johnny Spencer Tyrrell County Utilities Director
Printed name of Person gning Title
Arl.
' c� ��'—Signt Date
North Carolina General Statute 143-215.6(b)(2)provides that Any person who knowingly makes any false statement representation, or certification in any application,
record,report,plan,or other document files or required to be maintained under Article 21 or regulations of the Environmental Management Commission implementing that
Article,or who falsifies,tampers with,or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under Article 21 or
regulations of the Environmental Management Commission implementing that Article,shall be guilty of a misdemeanor punishable by a fine not to exceed$25,000,or by
imprisonment not to exceed six months,or by both (18 U.S.C.Section 1001 provides a punishment by a fine of not more than$25,000 or imprisonment not more than 5
years,or both,for a similar offense.)
Page 3 of 3 Veision 5/2012

•
'61., \
wN rC \
Foul 3 a \, I �/ `\ -
g$,.
_ �'�•S
;
%RAW \�
- -
„‘.
,.,
.. .
a iy s !. s
..
asII
�" ro Br`, ULL, BArYY
, _..c.2
y`^ `• 1 cer' yam'`-'.
,k:.,"=^ ;;' mil• i '� _ •K . .,,',;-..�- ,;,_.`.``----.,'•�
.yrti+-"+ ~''.. ,�:.d a ___ _E +.r2 - .S`,7 .'`"=�ti,cy.,y+`w
h. ..): '' (c- •,,,..,, ,,,..,..
-
Jam-,' - - i `- S- 7,=-�:-;_; _ _J � �I
f- _�~ r-I-? `'`;tee` - ' -
•
.ate . N,---- , `p r • • _
�� e1'<•,:- /: ,>.:v_rasa, _ -
•
,. , g4 _ '`' ✓, `s 5.1, x �, ;sue f, +',
..,;' -•) . _ _ -- .. j', • - - _ , _ _ _ .,,_l -
,I„ ;`"•-, )` New Jerusalem: 'i,r, `_ — �� `-- .'�
p'
'
?N `; f " ,._• 701
Tyrrell County N
Reverse Osmosis WTP +.�Aai?�:n�4)44.6,e4 :`
NPDES Permit NC0086924 A .r���� �lf
Receiving Stream:Bull Bay Stream Class:SB Facility Location !r1*
scale not shown
Stream Segment:30-14 Sub-Basin#:03-01-53
River Basin:Pasquotank HUC:301020502 SCALE 35.93778°,-76.35500°
County:Tyrrell 1:24,000 USGS Quad:Columbia West

iiG
f
v.
11
O
Discharge
point
., ' Instream sampling
location m6 ,r° 1,
d
Instream sampling �, �; 1
location B e° Apr
F out �,.
B A� -y'
6L Cs$ .i . . R, w` tre*�. ,;a4 x y u , 11
It
;,-.,f.07 -a
�,57 � f �� � f J`A ' ^�
Y� fix' _ _'�J2.0�'^' - 4Y ,a+ , • ,, 5 qi,,'",a a�`-, "�y
F. x4� .,i1n � '-1R.^ri LflP • -P.'iTSai .�>,. - rt k"F-.,` - ' µ'
,`" awn c u c� "r ,�' ;;i t Of IE'�., :. N .4,
y Yst #t - z;2 , '
.. ice' .i"ssl!'S. - _ - _ • ,'.q�,""� aPr� - A. - .�.
•ew,fa"f�t , °r oax�ea,�., i*� " z - _ ,
"x,; f"ia"'� ,r}�� •,Rnvx.:,fi.aa;•a'v Y, .,, - , ,,;' `"� _ :w a
Instream Monitoring Requirements Tyrrell County Reverse Osmosis
NPDES Permit NC0086924