NC0039420_Renewal (Application)_20231102

ROY COOPER l �`t:
Governor
ELIZABETH S.BISER .4°^°1"�
Secretory
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
November 02, 2023
VDOT
Attn: Allen Campbell, Program Manager
1401 E Broad St
Richmond, VA 23219
Subject: Permit Renewal
Application No. NC0039420
Virginia DOT/I-77 Rest Area
Surry County
Dear Applicant:
The Water Quality Permitting Section acknowledges the November 2, 2023, 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. 150B-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.
1:crzaa
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
E Qwv North Carolina Department of Environmental Quality I Division of Water Resources
6�1%t Winston-Salem Regional office 450 West Hanes Mill Road,Suite 300(Winston-Salem,North Carolina 27105
d=.1 al..m+Q. /'" 336.776.9800

\\/D of 9 anspe rt r n nt.
TO: Division of Water Resources RECEIVED
Water Quality Permitting Section - NPDES
1617 Mail Service Center NOV 0 2
Raleigh, NC 27699-1617 2023
NCDEQ/DWR/NPDES
FROM: Allen Campbell,
State Program Manager
Virginia Safety Rest Areas
VDOT Maintenance Division
Attached are the signed, completed NPDES Application Modified 2A form for the Virginia
Department of Transportation's I-77 Reat Area WWTP Permit NC0039420 with two copies.
The facility discharge is in Surry County.
If there are any questions, please do not hesitate to contact me.
Thank you,
/ -77'//
Allen Campbell
State Program Manager
Virginia Safety Rest Areas
VDOT Maintenance Division
804 8405985
[e-mail]

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
Form NC Department of Environmental Quality-Application for NPDES Permit to Discharge Wastewater
NPDES MINOR SEWAGE FACILITIES(Before completing this form,please read the instructions.Failure to follow
the instructions ma result in denial of the .''lication.
SECTION 1. BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
Virginia Department of Transportation 1-77 Rest Area WWTP
Mailing address(street or P.O.box)
1401 East Broad Street
City or town State ZIP code
o Richmond VA 23219
Contact name(first and last) Title Phone number Email address
c Allen Campbell State Program Manager,SRAs [phone] [e-mail]
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
R 1-77 NB at State Line
w
City or town State ZIP code
Surry County NC
1.2 Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission ❑✓ No
requirements for new dischargers.
1.3 Is applicant different from entity listed under Item 1.1 above?
❑ Yes ❑✓ No 4 SKIP to Item 1.4.
Applicant name
Virginia Department of Transportation(VDOT)
Applicant address(street or P.O.box)
✓ 1401 East Broad Street
o City or town State ' ZIP code
Richmond VA 23219
ru Contact name(first and last) Title Phone number Email address
Allen Campbell SRA Program Manager [phone] [e-mail].f
o.
a 1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
❑✓ Owner ❑ Operator ❑ Both
1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.)
El Facility El Applicant
❑ Facility and applicant
(they are one and the same)
1.6 Indicate below any existing environmental permits.(Check all that apply and print or type the corresponding permit
number for each.)
Existing Environmental Permits
a ✓❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection
water) control)
NC0039420
o ❑ PSD(air emissions) ❑ Nonattainment program(CM) 0 NESHAPs(CM)
❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
404)
Page 1

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type Ownership Status
Served Served (indicate percentage)
100 %separate sanitary sewer 0 Own 0 Maintain
Traveling Public 0 %combined storm and sanitary sewer 0 Own 0 Maintain
m 2000-5000/D Ave ❑ Unknown 0 Own 0 Maintain
co %separate sanitary sewer 0 Own 0 Maintain
o
co %combined storm and sanitary sewer 0 Own ❑ Maintain
0 0 Unknown 0 Own 0 Maintain
a %separate sanitary sewer ❑ Own ❑ Maintain
combined storm and sanitary sewer ❑ Own ❑ Maintain
co ❑ Unknown ❑ Own ❑ Maintain
E %separate sanitary sewer ❑ Own ❑ Maintain
y %combined storm and sanitary sewer 0 Own 0 Maintain
c ❑ Unknown ❑ Own ❑ Maintain
r Total
lation
m 2000-5000/D Ave
Ta
Served Peak est 8500
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of °
sewer line(in miles) 100 °/° o /0
Z' 1.8 Is the treatment works located in Indian Country?
C
o 0 Yes ✓❑ No
c1.9 Does the facility discharge to a receiving water that flows through Indian Country?
a
c ❑ Yes ❑✓ No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
0.02 mgd
w Annual Average Flow Rates(Actual)
Two Years Ago Last Year This Year
co
c o 0.005 mgd 0.0056 mgd 0.0064 mgd
iii Maximum Daily Flow Rates(Actual)
co
o Two Years Ago Last Year This Year
0.014 mgd 0.016 mgd 0.017 mgd
u, 1.11 Provide the total number of effluent discharge points to waters of the State of North Carolina by type.
Total Number of Effluent Discharge Points by Type
a fl Constructed
w ,.. Combined Sewer
-. Treated Effluent Untreated Effluent Overflows Bypasses Emergency
co a Overflows
co
b 1 0 0 0 0
Page 2

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
Outfalls Other Than to Waters of the State of North Carolina
1.12 Does the POTW discharge wastewater to basins, ponds,or other surface impoundments that do not have outlets
for discharge to waters of the State of North Carolina?
❑ Yes ❑✓ No + SKIP to Item 1.14.
1.13 Provide the location of each surface impoundment and associated discharge information in the table below.
Surface Impoundment Location and Discharge Data
Average Daily Volume Continuous or Intermittent
Location Discharged to Surface (check one)
Impoundment
O Continuous
gpd 0 Intermittent
❑ Continuous
gpd 0 Intermittent
❑ Continuous
0
gpd ❑ Intermittent
0
w 1.14 Is wastewater applied to land?
El Yes ❑✓ No SKIP to Item 1.16.
cn 1.15 Provide the land application site and discharge data requested below.
y Land Application Site and Discharge Data
Continuous or
Location Size Average Daily Volume Intermittent
rn Applied (check one)
0 Continuous
N= acres gpd ❑ Intermittent
❑ Continuous
acres gpd ❑ Intermittent
= acres gpd 0 Continuous
cts ❑ Intermittent
cn
1.16 Is effluent transported to another facility for treatment prior to discharge?
o ❑ Yes m No 4 SKIP to Item 1.21.
1.17 Describe the means by which the effluent is transported(e.g.,tank truck, pipe).
1.18 Is the effluent transported by a party other than the applicant?
❑ Yes El No 4 SKIP to Item 1.20.
1.19 Provide information on the transporter below.
Transporter Data
Entity name Mailing address(street or P.O.box)
City or town State ZIP code
Contact name(first and last) Title
Phone number Email address
Page 3

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
1.20 In the table below,indicate the name,address,contact information,NPDES number,and average daily flow rate of the
receiving facility.
Receiving Facility Data
II Facility name Mailing address(street or P.O.box)
0
City or town State ZIP code
0
Contact name(first and last) Title
0
Phone number Email address
NPDES number of receiving facility(if any) ❑None0 Average daily flow rate mgd
0 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do
not have outlets to waters of the State of North Carolina(e.g.,underground percolation,underground injection)?
❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0 1.22 Provide information in the table below on these other disposal methods.
d Information on Other Disposal Methods
o Disposal Location of Size of Annual Average Continuous or Intermittent
c Method Disposal Site Disposal Site Daily Discharge (check one)
Description Volume
acres gp 0 Continuous
d
❑ Intermittent
o ❑ Continuous
acres gpd ❑ Intermittent
acresgpd ❑ Continuous
0 Intermittent
1.23 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)?(Check all that apply.
a) Y Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
Discharges into marine waters(CWA Water quality related effluent limitation(CWA Section
cr
❑ Section 301(h)) ❑ 302(b)(2))
✓❑ Not applicable
1.24 Are any operational or maintenance aspects(related to wastewater treatment and effluent quality)of the treatment works
the responsibility of a contractor?
✓❑ Yes ❑ No+SKIP to Section 2.
1.25 Provide location and contact information for each contractor in addition to a description of the contractor's operational
and maintenance responsibilities.
Contractor Information
Contractor 1 Contractor 2 Contractor 3
Contractor name
0 Pioneer Electrical Contractor,li
R (company name)
Mailing address
O 1952 Magnolia Ave.
(street or P.O.box)
City,state,and ZIP Buena Vista,VA 24416
R code
E' Contact name(first and 0 Je ff Cash
c� last)
Phone number [phone]
Email address [e-mail]
Operational and WWTP Operation&
maintenance
responsibilities of Maintenance
contractor
Page 4

•
NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2))
o Outfalls to Waters of the State of North Carolina
= 2.1 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
rn
❑ Yes ❑✓ No 4 SKIP to Section 3.
0 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
and infiltration.
gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
Limited collection-Rest Area Building
0
0
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
co 0- specific requirements.)
0 M
Q.
✓❑ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
(See instructions for specific requirements.)
o `12 a,
.ra
o ❑✓ Yes ❑ No
2.5 Are improvements to the facility scheduled?
❑ Yes ✓❑ No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0
y 1.
a,
E
Q 2.
E
0
3.
a,
co
4.
2 2.6 Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Improvements
E Affected Attainment of
d Scheduled Begin End Begin
Outfalls Operational
o Improvement Construction Construction Discharge
0. (from above) (list outf)I (MM/DD/YYYY) (MM/DD/YYYY) (MM/DDIYYYY) Level
number (MM/DD/YYYY)
1.
a)
2.
3.
4.
2.7 Have appropriate permits/clearances conceming other federal/state requirements been obtained?Briefly explain your
response.
❑ Yes ❑ No ❑✓ None required or applicable
Explanation:
Page 5

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5))
sheets if you have more than three outfalls.
3.1 Provide the following information for each outfall.(Attach additional )
Outfall Number o01 Outfall Number Outfall Number
State North Carolina
County Burry
City or town
0
`s Distance from shore 50 ft. ft. ft.
Depth below surface o ft• ft. ft.
Average daily flow rate 0.006 mgd mgd mgd
11
Latitude 38° 33' 36" N ° ' °
11
Longitude 80° 44' 39" W
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o ❑ Yes 0 No 4 SKIP to Item 3.4.
3.3 If so,provide the following information for each applicable outfall.
r
0
Outfall Number Outfall Number Outfall Number
Number of times per year
G discharge occurs
a Average duration of each
discharge(specify units)
Ts
c Average flow of each mgd mgd mgd
discharge
coco
Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑✓ No SKIP to Item 3.6.
3.5 Briefly describe the diffuser type at each applicable outfall.
Q
Outfall Number Outfall Number Outfall Number
0
us 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
one or more discharge points?
❑✓ Yes ❑ No-*SKIP to Section 6.
Page 6

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
3.7 Provide the receiving water and related information(if known)for each outfall.
Outfall Number Outfall Number Outfall Number
Receiving water name Naked Run Creek
Name of watershed,river,
c or stream system Yadkin Pee Dee
Q U.S.Soil Conservation
y Service 14-digit watershed
w
code
R Name of state Yadkin Pee Dee
3 management/river basin
ea
U.S.Geological Survey
co 8-digit hydrologic HUC:030401010804
re cataloging unit code
Critical low flow(acute) Unknown cfs cfs cfs
Critical low flow(chronic) Unknown cfs cfs cfs
Total hardness at critical mg/L of mg/L of mg/L of
low flow Unknown CaCO3 CaCO3 CaCO3
3.8 Provide the following information describing the treatment provided for discharges from each outfall.
Outfall Number 001 Outfall Number Outfall Number
Highest Level of ❑ Primary ❑ Primary ❑ Primary
Treatment(check all that 0 Equivalent to ❑ Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
O Secondary ❑ Secondary 0 Secondary
❑ Advanced ❑ Advanced 0 Advanced
❑ Other(specify) ❑ Other(specify) ❑ Other(specify)
c
0
n Design Removal Rates by
0 Outfall
11)
a)
o BODs or CBOD5 85 % %
c
m
E
m TSS 85 % % %
F-
0 Not applicable ❑Not applicable ❑Not applicable
Phosphorus %
l l Not applicable 0 Not applicable ❑Not applicable
Nitrogen
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
% % %
Page 7

NPDES Permit Number Facility Name Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
3.9 Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season,describe below.
-0
0
c Outfall Number o01 Outfall Number 001 Outfall Number
0
r.•
- Disinfection type
Chlorination UV
U)
Seasons used All Year All Year
E
d Dechlorination used? ❑ Not applicable ❑ Not applicable ❑ Not applicable
❑✓ Yes ❑ Yes ❑ Yes
❑ No ❑ No ❑ No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
El Yes ❑ No
3.11 Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's
discharges or on any receiving water near the discharge points?
❑ Yes ✓❑ No 4 SKIP to Item 3.13.
3.12 Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's
discharges by outfall number or of the receiving water near the discharge points.
Outfall Number Outfall Number_ Outfall Number
Acute Chronic Acute Chronic Acute Chronic
ca Number of tests of discharge
rn
water
a, Number of tests of receiving
water
d
w
3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have
reasonable potential to discharge chlorine in its effluent?
✓❑ Yes 4 Complete Table B,including chlorine. ❑ No 4 Complete Table B,omitting chlorine.
3.15 Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
❑✓ Yes ❑ No
Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
3.18 attached the results to this application package?
❑ Yes ✓❑ No additional sampling required by NPDES
permitting authority.
Page 8

NPDES Permit Number Faciir y Name Vodfied Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP Modified March 2021
3.19 Has the POTW conducted either(1)minimum of four quarterly WET tests for one year preceding this permit application
or(2)at least four annual WET tests in the past 4.5 years?
❑ Yes NA ❑ No 4 Complete tests and Table E and SKIP to
Item 3.26.
3.20 Have you previously submitted the results of the above tests to your NPDES permitting authority?
❑ Yes NA ❑ No 4 Provide results in Table E and SKIP to
Item 3.26.
3 21 Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results
Date(s)Submitted Summary of Results
(ARe'DDNYYY)
NA
0
3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority.did any of the tests result in
toxicity?
NA
❑ Yes ❑ No 4 SKIP to Item 3.26.
d 3.23 Describe the cause(s)of the toxicity
CD
w
3.24 Has the treatment works-conducted a toxicity reduction evaluation?
❑ Yes NA ❑ No 4 SKIP to Item 3.26
3 25 Provide details of any toxicity reduction evaluations conducted.
NA
3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package?
❑ Yes NA ❑ Not applicable because previously submitted
information to the NPDES permitting authority
Page 9

NPDES Permit Number Facility Name Modified Applicafion Form 2A
NC0039420 VDOT 1-77 Rest Area WTP Modified March 2021
W
SECTION 6.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d))
6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application.For
each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not
all applicants are required to provide attachments.
Column 1 Column 2
❑ Section 1: Basic Application ❑ w/variance request(s) ❑ w/additional attachments
Information for All Applicants
❑ Section 2:Additional 0 w/topographic map ❑✓ wl process flow diagram
Information
❑ w/additional attachments
© w/Table A 0 w/Table D
✓❑ Section 3:Information on © wl Table B ❑ w/additional attachments
...
Effluent Discharges
1 0 w/Table C
R
c0 Section 4:Not Applicable
c
0
r
Section 5:Not Applicable
0
Section 6:Checklist and
c ❑ ❑ w/attachments
r
Certification Statement
N!
:Y 6.2 Certification Statement
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted.Based on my inquiry of the person or persons who manage the system,or those persons directly responsible
for gathering the information,the information submitted is,to the best of my knowledge and belief, true,accurate,and
complete.I am aware that there are significant penalties for submitting false information,including the possibility of fine
and imprisonment for knowing violations.
Name(print or type first and last name) 1 Official title
Allen Campball State Program Mgr.,Safety Reat Areas
Signature / Date signed
`� ,--- 10/27/2023
Page 10

NPDES Permit Number Facility Name OutfaN Number Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area WWTP 001 Modified March 2021
TABLE A.EFFLUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Value Units Value Units Methods (include units Sam les )
Biochemical oxygen demand 0 ML
0 BODs or o CBOD5 17.5 mg/I 7.4 mg/I 12 Months(weekly) SM 5210 B 2.0 mg/I MDL
r•rortone
Fecal coliform 180 CFU/100 ml 4.15 CFU/100 ml 12 Months(weekly) SM 9222 D 1 CFU/1111 m M
o MLDL
Design flow rate 0.017 MGD 0.0064 MGD 12 Months(Daily)
pH(minimum) 7.1 su
pH(maximum) 8.4 SU
Temperature(winter) 19 Degrees C 15.3 Degrees C 6 Months(weekly)
Temperature(summer) 25 Degrees C 22.5 Degrees C 6 Months(weekly)
2 ML
Total suspended solids(TSS) 10.0 mg/I 2.78 mg/I 12 Months(weekly) SM 2540 D 2.5 mg/I o MDL
'Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
Page 11

EPA Identification Number NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0039420 VDOT 1-77 Rest Area W WTP 001 Modified March 2021
TABLE B.EFFLUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO OR GREATER THAN 0.1 MGD
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant Number of Method' (include units
Value Units Value Units Samples )
Ammonia(as N) 0.9 mg/I 0.09 mg/I 24 EPA 350.1 0.1 mg/I ❑MDL
Chlorine 0 ML
<QL ug/I <QL ug/I 12 Months(2/W k) SM 4500 CI G-2011 15 ug/I
(total residual,TRC)2 0 MDL
❑ML
Dissolved oxygen ❑MDL
❑ML
Nitrate/nitrite ❑MDL
❑ML
Kjeldahl nitrogen ❑MDL
❑ML
Oil and grease ❑MDL
❑ML
Phosphorus ❑MDL
❑ML
Total dissolved solids
❑MDL
'Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
2 Facilities that do not use chlorine for disinfection.do not use chlorine elsewhere in the treatment process,and have no reasonable potential to discharge chlorine in their effluent are not
required to report data for chlorine.
EPA Form 3510-2A(Revised 3-19) Page 12 �,,

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Virginia DOT 1-77 Rest Area—NC0039420 Facility ry w
� 4
USGS Quad: Cana Latitude: Location ,' '
Receiving Stream: Naked Run Creek 38°33'36" t.
Stream Class:WS-IV Trout Longitude: I
Subbasin:Yadkin-Pee Dee/03-07-03 80°44'39" ./WWd Surry County
Map not to scale

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1-77 Rest Area WWTP
Interstate Highway 77 on the NC/VA state line
Surry County
• Grinder&basket
• Aerated equalization basin(ca. 14,000-gallon capacity)
• Soda ash feed
• Flow splitter box
• Three extended aeration package plants rated for 10,000 gallon each. Each plant includes:
• Aeration basin
• Secondary clarifier
• Sludge holding basin
• UV disinfection system
• Backup chlorine disinfection system with dechlorination
Flow Diadram from 0&M Manual • Post aeration
• Ultrasonic flow meter
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DWG: LAMBSBURG WWTP 0 & M FIGURES.DWG SCALE: NTS OCT. 31, 2013
Bowman I-77 LAMBSBURG REST AREA
CARROLL COUNTY. VIRGINIA
C O_N_ S_ U L T I N G
Ocvvmer Ccrs.0,9 Gm..I, Phone i25T1229-1720
a60 Md Awe C111 Soto lx F"I733I 221-4683 WASTEWATER TREATMENT PLANT FLOW DIAGRAM
WAk 00.01.W0009ISS w-ww,001,23000.Ang.com
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