NC0043532_Plan of Action_19950111

NPDES DOCIMENT :MCANNINO COVER :SHEET
NPDES Permit:
NC0043532
West Stanly / Oakboro WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Owner Name Change
124/4o '.\
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
January 11, 1995
This document is printed on reuse paper - ignore any
content COn the reirerse side

A/K0r)5-32_
TOWN OF OAKBORO
P. O. BOX 610
OAKBORO. NORTH CAROLINA 28129
TELEPHONE: [phone]
Mr. Joe Pearce
NCDEHNR
P.O. Box 29535
Raleigh, NC 27626-0535
Subject: STMP- Town of Oakboro
NPDES Permit No. NC0043532
ATTN: Joe Pearce
Dear Joe;
RECEIVED
JAN 1 1 1995
FACILITIES ASSESSMENT UNIT
Per our phone conversation of today, attached is our
STMP.
cc:
Please review and let us have your comments.
If there is any questions, please call me at [phone].
John Lesley
c/o NCDEM
P.O. Box 950
Mooresville, NC 28115
Yours very truly
G-G2-
Larry B anch
Pretreatment Coordinator

BAR
INFLUENT SCREEN
0.5 MGD
GRIT
REMOVAL
INFLUENT
PUMP
STATION
INDICATES LINES
NOT IN USE
AERATED SLUDGE
HOLDING BASIN
AERATION
BASIN
SECONDARY
CLARIFIER
SECONDARY
CLARIFIER
SLUDGE RETURN
DRAINAGE FROM DRYING BEDS
CHLORINE 2O
CONTACT
BASIN DISCHARGE 001
0.5 MGD
SLUDGE
HOLDING
TANKS
1
SLUDGE
DRYING BEDS
STAND:-BYI
USE ONLY
I i I
L.i.J
J
FIGURE A
SCHEMATIC OF WASTEWATER FLOW

2
TOWN OF OAKBORO
Activated Sludge/Aerobic digester with land application-STMP
Sampling Point Within 1 year before HWA
1. Influent Quarterly
2. Effluent Quarterly
3. Activated aeration to clarifier Once
4. Sludge to disposal Per permit and 503 regulations
5. SIU's Per SIU permit

3
TOWN OF OAKBORO
Activated Sludge/Aerobic digester with land application STMP
Sampling Plan
POC PT#1 PT#2 PT#3 PT#4 P=#5#5
Hg X X X X
Cr X X X X
Ni X X X X X
Pb X X X X X
Cn X X X X
Cu X X X X X
Zn X X X X X
Ag X X X X
As X X X X
Cd X X X X
Mb X
Se X X X
Flow X
% Solids X

4
TOWN OF OAKBORO
Activated Sludge/Aerobic digester with land application STMP
POC MgIL Detection Level Sample Method
As 0.0014 24 hour Comp.
Cd 0.0028 24 hour Comp.
Cr 0.014 24 hour Comp.
Cu 0.0028 24 hour Comp.
Pb 0.014 24 hour Comp.
Hg 0.0002 24 hour Comp.
Ni 0.014 24 hour Comp.
Zn 0.0028 24 hour Comp.
Cn 0.001 Grab
Mb 0.10 24 hour Comp.
Se 0.01 24 hour Comp.
Flow N/A Flow meter
% Solids N/A Grab
NOTE: 1) All sampling preservation, and analytical method must be 40 CHR 136.
2) All analysis must be performed by state certified laboratory.