NC0045128_Wasteload Allocation_19900614

NPDES WASTE LOAD ALLOCATION
PERMrr NO.: NCO045128
PERMITTEE NAME: Alamance County Schools / Sylvan Elementary
Facility Status: Existing
Permit Status: Renewal
Major
Pipe No.: 001
Minor -4
Design Capacity: 0.00146 MGD
Domestic (% of Flow):
Industrial (% of Flow):
1
PI '.
RECEIVING STREAM: Cane Creek
Class: C-NSW
Sub -Basin: 03-06-04
Reference USGS Quad: D 21 NW (please attach)
County: Alamance
Regional Office: Winston-Salem Regional Office
Previous Exp. Date: 2/28/91 Treatment Plant Class:
Classification changes within three miles:
No change within three miles.
Requested by: _ Mack Wiggins Date: 8/21/89
Prepared by: Jidk, � Date: O
Reviewed by: t Date: -7 '7 CI 0
.Dell /35'
Modeler
Date Rec.
#
1q 5-
S7SL
i ��
Drainag ea (mil) /S d Avg. Streamflow (cfs):—�—
7Q10 (cfs) 0. a Winter 7Q10 (cfs) b" % 30Q2 (cfs)=
Toxicity Limits: IWC %
Instream Monitoring:
Upstream
Acute/Chronic
Location
Downstream Location
Effluent
Characteristics
BOD5 (TO)
3U
NH3-N (mom)
D.O. (mg/1)
-
TSS (mg/1)
3v
F. Col. (/100 ml)
,SOD
pH (SU)
6 _ y
%A/
MCPU 7 +2
TP "I /!
p++o� 77GW
Comments:

RECEIVED
N.C. Dept. NRCD
J U N 2 8 1990
APWiinnston-Pra!em Request No.:
------- WASTELOAD ALLOWBW OOVAL FORM ------
Facility Name:
NPDES No.:
Type of Waste:
Status:
Receiving Stream:
Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Quad:
Sylvan Elementary
NCO045128
Domestic
Existing/Renewal
Cane Creek
C-NSW
30604
Alamance
Winston-Salem
Mack Wiggins
6/14/90
D21NW
School
Drainage area:
Summer 7Q10:
Winter 7Q10:
Average flow:
30Q2:
------- RECOMMENDED EFFLUENT LIMITS -----------
EXISTING PROPOSED
Wasteflow (mgd):
BOD5 (mg/1):
TSS (mg/1):
Fecal coliform (#/100ml):
pH (su) :
Total Nitrogen (mg/1):
Total Phosphorous (mg/1):
0.0014
0.0014
30
30
30
30
200
200
6-9
6-9
monitor
monitor
monitor
monitor
Toxicity Testing Req.: none
--------------- MONITORING
Upstream (Y/N): N Location:
Downstream (Y/N): N Location:
5752
15.200 sq mi
0.20 cfs
0.70 cfs
14.00 cfs
cfs
REC r' VED
JUL v )yyjj
-----------------------
PERMITS R Fjrrtr,FFRi ur,
----------------------------- COMMENTS -----------------------------
Facility meets existing limits. Renew at above limits. (9-K. 6-ac
Recommended by: A`QGt`"- Date: /y p
Reviewed by /^•_
Instream Assessment: �(CLNU%��l�d Date: tjas/r,d
Regional Supervisor: Date: ']J -,Z -9 O
Permits & Engineering: Date: G rro
-JUL 24 1990
RETURN TO TECHNICAL SUPPORT BY:

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cc: Technical Support Branch
Permits and Engineering
County Health Dept.
Central Files
WSRO
Date June 21, 1990
NPDES STAFF REPORT AND RECOMMENDATIONS
County Alamance
NPDES Permit No. NCO045128
PART I - GENERAL INFORMATION j I
,
1. Facility and Address:
Sylvan Elementary School J �1%' 2 6 1990.
7718 Sylvan Road
Snow Camp, NC 27349
2. Date of Investigation: Jude 21, 1990
d
3. Report Prepared by: Eric Galamb
4. Persons Contacted and Telephone Number:
Mike Florence [phone]
5. Directions to Site:
Travel south on Highway 87 from Graham approximately 10
miles to SR 1004. Turn right on SR 1004 and travel
south approximately 5 miles to SR 2360. Turn right and
travel 0.1 miles to SR 2369. The WWTP is located on
the SW corner of the intersection.
6. Discharge Point - Latitude: 350 531 08"
Longitude: 79 261 15
11
Attach a USGS Map Extract and indicated treatment plant
site and discharge point on map.
USGS Quad No. D21NW or USGS Quad Name Snow Camp
Quad
7. Size (land available for expansion and upgrading):
There is ample area for expansion and replacement.
8. Topography (relationship to flood plain included):
The sandfilter is approximately 80 feet,above and 1700
feet from Cane Creek.
9. Location of nearest dwelling:
The nearest dwelling is approximately 200 feet west of
the septic tank.

10. Receiving stream or affected surface waters: Cane
Creek
a. Classification: C-NSW
b. River Basin and Subbasin No.: 03-06-04
c. Describe receiving stream features and pertinent
downstream uses: The downstream uses are
consistent with the "C" Classification.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. Type of wastewater: 100% Domestic
Industrial
a. Volume of Wastewater: 0.0012 MGD
b. Types and quantities of industrial wastewater:
c. Prevalent toxic constituents in wastewater:
d. Pretreatment Program (POTWs only)
in development approved
should be required not needed
2. Production rates (industrial discharges only) in pounds
a. highest month in the last 12 months
b. highest year in last 5 years
3. Description of industrial process (for industries only)
and applicable CFR Part and Subpart:
4. Type of treatment (specify whether proposed or
existing):
Existing: The wastewater treatment facility consists
of a septic tank, dosing tank, surface sandfilter and a
chlorination basin.
5. Sludge handling and disposal scheme:
Pumped when necessary by McPherson Septic Tank.
6. Treatment plant classification: Class I
7. SIC Code(s) 8211
Wastewater Code(s) 03

PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction
Grants Funds (municipals. only)?
2. Special monitoring requests:
3. Additional effluent limits requests:
4. Other: The chlorine contact chamber is enclosed and
unlocked. Since this is an elementary school, the
chamber should be locked.
PART IV - EVALUATION AND RECOMMENDATIONS
The system is well maintained. The WSRO recommends
that NPDES Permit No. NC0045128 be re -issued.
ignature of report preparer
2
Water Quality Sup -kvisor

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