NC0047597_Wasteload Allocation_19860615

S 1.0t L ReV "S_ NPDES WASTE LOAD ALLOCATION
Facility Name: 7041,J d< I fiteP,,.l64J AN CJGJTP
Existing c
Proposed 0
Engineer
Da •
te Rec #
1oIz\SS , Zb '7
Date ',%30%S-
Permit No.: Ala zi75'9 7 Pipe No.: Ud( County:
age dta-1-44x, skeds 4 6...4
Design Capacity (MGD): (C.d Industrial (% of Flow): (6 % Domestic (% of Flow):
Receiving Stream: Alec..)gte. CeL.F.Eic Class: C -NIIret) Sub -Basin: 03- 0C, -o.r
Reference USGS Quad: _) 23 NW (Please attach) Requestor: .A (p 6).1e..rneaL Regional Office
513 Aue(IM►1
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design Temp.: a & A
70_0 (cfs)
0115
Location of D.O. minimum
Velocity (fps) :
Drainage Area (mi2):
Winter 7Q10 (cfs)
(miles below outfall):
0
Kl (base e, per day):
Avg. Streamflow (cfs):
30Q2 (cfs)
g-
Slope (fpm)
K2 (base e. per day):
5uvn11-or/W,
Effluent
Characteristics
Monthly
Average
Comments
A )11
a 401'.p
,
iglio
5 ' /,
ffi•
30 r"f)6P
I /I fyi
l000hoc i-,J
I 194 /d- `Ici
,
origi
R vgs
C4nfi
I.CR1 odation
.A11pcation
ation
Prepared By:
r111,-e/1
Effluent =
Characteristics
;'anthly
1-.verage
Comments
T-1-J P
/,c 1715/0
,
Cyt,1 de
©.cos »
.
✓Ylei2ccteAl
019. m,)/i
,40x,4
aka 14 ci -7 n-,
Comments: woni�o2/r� �,,1 .n, (Li)C", Ail) Cd) �h - L-chor
1imi1 to K/ S s au1c b--c- /owvt-g-O- t rn t
5hcu )d- I ,ssu-e.-C ,-r re o pe rk,QA J 40 �rI110�11' I
i.0 u� eSR ofn a ‘A plat nri� �1e� a S7tidy.
eviewed By:
Date:
R
lOIWE 5-'
&h5/8

'
Aeques� No. : 2445
WASTELOAD PiLLOCATION APPPOVAL FOAM
Fac�l��y Mame : AOAD WWTP
Type of Waste 1")�M/IND
S%atus EXISTINC
Peceivinq S�ream � HEW JOADAN LAKE
S�ream Class � C-NSW
Subbasin 030605
County DUAHAM Drainage Area (s(:l mi) 6
Regional Office AALEICH 7CA10
Aequestor AN DUAHAM CITY
winter 7q10 (cfs) � 1 0
Da�e of 85 30g2 (cfs) �
Auad SW DUQHAM Average Flow (cfs) � 98
AECOMMEN1'.)ED EFFLUENT LIMITS
� SUMMEA WINTEA
wasteflow (mgd) 10.0 10.0
5-Day BOD (mg/l> 0 7.0
Ammonia Nitrogen (mg/l) O 2 O
1*.):0ssolved Oxygen (mQ/l) 5.0 5.0
T S S (if, g/l30.O 30.0
Feca� Co"liform (#/10011-1l)1000 1000
pH ( S U 6-9 6-9
TOTAL P (mQ/l10 J. 0
cUanide
mercurV
--............. .................... .... ........ .................... .... .... ............ COMMENTS --
<mg/l> O0O5 winter and summer
(ug/l) 02 win�er and summer
u
" / �79oc
�Q
OrFICE
«l8/�Nd
Frequent monitorinQ for zinc.copper,chrnmium'nickel'cadIII iuIII and lead should
continue. Efforts should be made �o limits used in the
mon��oring to allow of possible wa�er qualitV violat�ons
Effor�s should continue to address xhe toxicity of �he Fa,rington �isc�arge
PERMIT SHOULD BE ISSUED WITH � PEOPENEA (�LAUSE (FIB-D !:')TVl*.)Y I5 1:31-ANNED)
----------------------------------------------------------------------------
AecommendeU bU
Qeviewed UV�
oa�e
� �
(5.ej a�x�Ck-,90,Up 0 Y_)
Tech� Support r.... .... .... .... .... .... .... .... .... .... .... .... .... .......... __.... .... .... .... Date
Aegional Euperviso£
Approval is (
Permi�s & En�ineering
Date
eliminarV (ke-^) final
Fr r.

WASTELOAD ALLOCATION APPROVAL FORM
Facility Name : DURHAM FARRINGTON RD WWTP
Type of Waste : DOMESTIC/INDUSTRIAL
Status : EXISTING
Receiving Stream : NEW HOPE CRK
Subbasin : 030605
County : DURHAM
Regional Office : RALEIGH
Requestor
Date of Request
Quad : D23NW
Request No. : 6,?/%
Drainage Area (sq mi) : 76.
Summer 7Q10 (cfs) : 0.15
Winter 7Q10 (cfs) : 1.
Average Flow (cfs) : 98
RECOMMENDED EFFLUENT LIMITS
mo.avg da.max
Wasteflow (mgd): 10
5-Day BOD (mg/1): 7
Ammonia Nitrogen (mg/1): 2
Dissolved Oxygen (mg/1): 5
TSS (mg/1): 30
Fecal Coliform (#/100m1): 1000
pH (SU): 6-9
Total P C416/,12) : 1
Cyanide Cm91� 0.005
Mercury C�,���•
0.2
WATER Q' ALVI-.
SEGI ON
COMMENTS
JUN 6 19i
TOXICITY LIMITS ARE ATTACHED
MONITORING SHOULD BE REQUIRED FOR Zn, Cr, Cu, Ni, Ca, Pb.
EXISTING -PERMIT PART III(G) CONTAINS A REOPENER CLAUSE ALLOWING DEM TO MODIFY
THE PERMIT IF RESULTS OF A STUDY INDICATE THAT THE PERMIT WILL NOT PROTECT
WATER QUALITY. PERMIT SHOULD BE REOPENED AND TOX LIMITS INCLUDED.
Recommended by
Reviewed by:
Tech. Support Supervisor
Regional Supervisor
Permits & Engineering
Water Quality Section Chief
Date
Date
Date L /86
Date
Date 6� •��G

(_.\)w= b.) m01)
Facility: Duk-%ar-7 W'e1 lt)W Jf C�15 = O.j5 cio
NPDES Permit #: /UC0h475- 93- I t. U L . q, O sZ
1.) The permittee shall conduct chronic toxicity tests on a quarterly
basis using protocols defined in E.P.A. Document 600/4-85/014
entitled "Short -Term Methods for Estimating the Chronic Toxicity
of Effluents and Receiving Waters to Freshwater Organisms". The
testing shall be performed as a Ceriodaphnia Survival and Repro-
duction Test. Effluent collection will be performed twice during
each test as 24 hour composite samples. Toxicity test exposure
using the first composite sample will include the first three full
days of testing. Exposure to the second composite sample will in-
clude the last four full days of testing. Effluent samples will
be taken immediately prior to disinfection, but after all other
treatment processes. The Chronic Value (ChV) must be greater than
?? %. There will be minimally five effluent concentrations and a
control exposure treatment. One effluent concentration shall equal
q i %, which represents the instream waste concentration (I.W.C.)
during 7Q10 low flow conditions and daily permitted discharge nvolume.
The remaining concentrations shall be ` , (� e t 3.4 e 37-61
There may not be more than 20% mortality in at least 90% effluent
after 48 hours of exposure.
Note: Failure to achieve test conditions as specified ini:the cited
document, such as minimum control organism survival and appropriate
environmental controls, shall constitute an invalid test and will re-
quire immediate retesting. Failure to submit suitable test results
will constitute a permit violation.

*** MC)I:)I:::L.. SUMMARY DATA >K**
Discharger
Receiving Stream
W:i.0
Design Temperature
IDI.JRHAM fF AI RIN T'ON RID Si.tbI:3iEi.s:i. rt 030605
NEW I••IC)I='W CREEK Stream Class: C
.1 Winter 7GL:i0 : .I..0
?6 °C ..lt)Gia
1LENGTH15L0PE 1 VELOCITY (DEPTH 1 K1 1 K1 1 K2 1 K2 1 KN 1 KN 1 KNR 1 KNR 1
1 mile lftlei 1 fps 1 ft 1 /day 1 8200 1 lday 1 820° 1 /day 1 820° 1 !day 1 @20° 1
5egoent 1 1 4.501 3.601 0.306 1 1.85 1 0.49 1 0.37 1 1.63 1 1.431 0.00 1 0.00 1 0.00 1 0.00 1
Reach 1 1
5egoent 1 1 4.001 0.001 0.0i0 110.30 1 0.46 1 0.35 1 0.47 1 0.411 0.00 1 0.00 1 0.00 1 0.00 1
Reach 2 1
*** INPUT DATA SUMMARY ***
1 Flow 1 CBOD 1 NBOD 1 D.O. 1
1 cfs 1 og11 1 agl1 1 ng/1 1
5egaent 1 Reach 1 1
Waste 1 15.500 1 9.000 1 0.000 1 5.000 1
Headwaters) 0.100 1 2.000 1 0.000 1 7.400 1
Tributary 1 0.000 1 0.000 1 0.000 1 0.000 1
E Runoff 1 0.050 1 2.000 1 0.000 1 7.400 1
5egaent 1 Reach 2 1
Waste 1 0.000 1 0.000 1 0.000 1 0.000 1
Tributary 1 0.000 1 0.000 1 0.000 1 0.000 1
* Runoff 1 0.050 1 2.000 1 0.000 1 7.400 1
* Runoff flow is in cfslaile

State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor R. Paul Wilms
S. Thomas Rhodes, Secretary May 5, 1986 Director
Dr. E. Kuenzler
Dept. E S & E
School of Public Health
Chapel Hill, NC 27514
Dear Dr. Kuenzler,
Thanks very much for giving us a draft report to review. I am
returning the report as you requested and would like a final copy
when they are available. I have talked with all the DEM staff who
reviewed the draft. We all agreed that the report is excellent. No
one had any substantive comments to offer.
I have talked with Jay Sauber and Steve Tedder about your
proposal for research on Piedmont Swamp systems. The work proposed
is not directly applicable to our investigations of swamp treatment
of sewage since our approved sites are all in the coastal plain.
However, the issue of nutrient delivery to Jordan Lake is important
and needs to be understood as fully as possible. The Farrington
Road wastewater facility (10 mgd design) is a major nutrient source
to the New Hope arm of the lake. The storage and release of nutrients
from the plant are affected by interactions with the floodplain swamp
bordering the creek. Inundation of the wildlife subimpoundment
immediately below the discharge will probably alter these interactions.
It is important that we begin to study the effects of the subimpound-
ments as soon as they become operational so we can understand any
changes in nutrient storage and delivery.
Pollution Prevention Pays
P. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Dr. E. Kuenzler
May 5, 1986
- Page 2 -
I will continue to encourage funding for this project. The re-
sults will ultimately be very useful to DEM as management decisions
are made on Jordan Lake.
Sincerely,
MK/gh
cc: Dr. David Moreau
WRRI

DIVISION OF ENVIRONMENTAL MANAGEMENT
January 24, 1986
MEMORANDUM
TO: Dave Adkins
THROUGH: Ken EaglesorNeliar/
Steve W. Tedder
FROM: Larry AusleMilk
SUBJECT: Preliminary On -Site Toxicity Testing Results of Durham -Farrington Rd.
WWTP
Facility: Durham -Farrington Rd. WWTP N.P.D.E.S. ♦: NC0O47597
Facility Contact(s): Bill Telford Telephone ♦: [phone]
Dates of On -site Test: 851014-851019
Aquatic Toxicology Contact(s): Matt Matthews, Chris Day
Receiving Stream: New Hope Creek Basin: CPF05
Permitted Flow: 10(MGD) 7010: 0.2(cfs) I.W.C.: 98.72(%)
Wastewater Treatment Processes: Screening & grit removal, primary clarification,
aeration, secondary clarification, chlorination, aerobic & anaerobic sludge
digestion and sludge drying beds.
Preliminary Reasons for Conducting on -site Toxicity Tests: 48 hour Daphnia pulex
tests conducted before the on -site investigation showed highly variable effluent
toxicity. These results indicated a possible instream impact associated with the
discharge at a possible instream concentration exceeding 98%.
Previous Toxicity Test Results:
Date Test Tvae Result
850315 48 hr. 0. pulex 27%
850411 P25
850606 " 52%
851002 " None
On -Site Effluent Sampling Point: Overflow weir from two final clarifiers closest
to road.
On -Site Dilution Water Source: Pokeberry Creek at Durham SR-1711
On -Site Toxicity Test Results:
Static Tests: Influent: (5% Daphnia pulex
Effluent:' 64%
Flow -through Test: None - fathead minnow
Chronic Test: LC50: 18% - Ceriodaphnia dubia
No Observed Effect Concentration: 10%
Lowest Observed Effect Concentration: 25%
Chemistry Sampling Locations:
01 - New Hope Creek at 1-40 bridge (under construction)
02 - effluent from final clarifiers above chlorination
02A- influent prior to bar screen
03 - New Hope Creek at SR-1107
04 - Pokeberry Creek at SR-1711

Initial Comments and Conclusions:
Due to observed acutely toxic effects on the cladoceran species tested, the
Durham -Farrington Road WWTP is predicted to have en acutely toxic effect on the
more sensitive biota of the receiving stream. This effect will become more
pronounced as receiving stream flows decrease during dry periods and effluent
domination of the stream increases to its predicted 1WC of 98.72%. Results of
on -site influent and effluent Qeohniapulex tests indicate a fair amount of
treatment of toxic substances through the plant, yet past results indicate
existing treatment is not effective enough during many of the periods it was
sampled. Self -monitoring bioassays performed for the facility have recorded LC.o
values of 28% and 27.5% for the months of August and September 1985.
Analysis of benthic macroinvertebrate samples collected at Stations 01 and
03 show a decline of total macroinvertebrate taxa from 49 upstream to 32
downstream with a decline of the more sensitive groups (Mayflies, Stoneflies, and
Caddisflies) from 10 upstream to 5 downstream. These declines cannot, however,
be solely attributed to the Farrington Road WWTP effluent since previous effects
of Third Fork Creek WWTP and urban runoff may contribute detrimental impacts.
Initial results of chemical analyses are attached. Of note would be
predicted exceedences of the Water Quality Action Levels for zinc (50 ug/l) and
the Water Quality Standard for cyanide (5.0 ug/I). Effluent levels of these
parameters could show an influence on the toxicity tests accomplished on -site in
higher test concentrations. Organics analyses on these samples have not yet been
completed and will be disseminated as they become available.
If any further information is needed at this time, please call either myself
or one of the Aquatic Toxicology contacts listed on page one at [phone].
LA:ps

Chemistry - Durham -Farrington Road WWTP
PLINITTEO FLAT (Ifi)
10
NUM IISQI116E (I01)
MERI& SUM ?LOU (ffS)
7Q10 (OS)
.2
CleuicaUrtysial
gaits
ester (agility
Stith. 01
Station 02
Station 020
Station 03
Statue 04
Aaelysu
Stadards
151117
151117
151117
151117
151117
101
pm
1.7
1.5
75
2.1
.9
at
Mil
11
32
230
21
13
.Colifaro: If focal
/1N al
111
36000
400010
110
.issidoe TOTIL
FPO
171
320
340
270
111
wlatil,
MI
33
73
120
56
38
fixed
PM
140
240
221
220
120
lesidge SIWEIIU
MI
4
5
111
7
2
wlatile
PM
2,
5
16
2
1
_
fixed
MI
2
0
22
5
1
0 (staalard Nits)
6.0i.1
7
6.7
6.1
6.1
6.6
►seitity
PPI
1
30
31
14
12
lilkoliaity
FPI ,
50
55
110
41
b
Irsaaic: Total
PM
<10
'
aside
PPI
.115
.13
4.11
Fsral4e1yde
PM
(0.1
'
'Mutt
PM
55
32
42
44
36
Mauls
FPI
<5
<5
13
<5
<5
Specific Geodectaaoe
dos/at
231
571
428
350
190
N3
MI
.16
1.9
17
.57
.95
T11
?PI
.4
1.7
55
1.6
.2
102,103
PPI
.01
6.8
.03
5.1
.13
P. Utal
PPI
.16
5.1
5.3
3
.24
Aiming
_
MI
<41!
<100
300
no
<108
Calairg
PM
2
<21
<20
<20'
<20
<21
t72rwgin
PM
51
<50
<51
<51
<50
<51
(per
PPS
15(1i1)
<20
<21
30
<20
(20
Inn
PPI
1N1(1L)
110
100
3000
400
600
',Wary
FPI
.2
<.2
<.2
.4
<.2
<.2
ileapoest
MI
128
111
300
160
c51
tided
PPI
51
<111
ON
<1N
<111
<111
Lead
'Zia
_
Al
25
<110
<t/1
<110
<110
<111
PPI
5/(1L)
<21
11!
110
61
<21
Nlsesilli
PPI

Chemistry - Durham -Farrington Road WWTP
PE1IIIi1ER aw (1C1)
11
AVERAGE 1ISCIARGE (AGO)
AVERAGE SIREAI fL0{I (CPS)
7910 (CIS)
.2
'
Cherical/PIysical
slits
Utter Owlity
Static 11
Stitt'. 12
Static 021
Station 03
Statie' 04
Sullies
Standards
151119
151119
151119
151019
151111
ION
PM
C01
MR
27
35
. 518
32
15
Cslifarn: If fecal
/111 al
8esilre T01AL
, PP1
I11
321�
480
310
110
volatile
PP1
59
71
210
51
33
filed
PM
141
250
250
240
130
lesion mum
PM
3
3
5
1
Wattle
atile
PM ,
2
3
210'
1
1
fixed
PM
1
0
13
4
0
pR (stsslsrl wits)
6.1-9.1
7.1
6.9
6.9
7.1
6.1
AcEli41
M1
14
26
35
25
11
Alralisity
PM
47*
15
120,
51
46
Aries%: Total
PM
<11
Cyanide
PM
.115
<.11
<.11
.14
fsrasllehyle
PM
`
<1.1
Rsrlsess
PM
55
31
43
42
30
Phenols
PP1
52
Specific C adoctsce
'Physics
tie'
460
620
470
140
Kra
PM
.03
6.7
19
4.8
<.01
1101
PM
.3
7.4
31
7.7
.2
ROZ-103
PPA
.02
2.9
.03
3.9
.03
P. total
PPR "
.11
2.7
6.5,
3
.26
Alaimo
PPI
<110
103
700
<110
<100
Cslrio
PPe
2
<I1
<20
<20
<20
<28
mica
PM
51
<50
<50
<50
<50
<58
topper
PPI
15(ILt)
<20
<20
60
<20
<20
IN.
PM
1101(AL)
1010
<111
2588
401
611
Mary
PPI
.2
<.2
<.2
.3
<.2
<.2
M
MI .
290
111
260
140
<50
Nil
PPO
51
<te0
<111
<111
<111
<110
lead
PPI
25
<111
<1N
<100
<110
<100
Vac
MI
51(1L)
<21
11
111
10
<21

71,
7-P
(yarn cie
/0
5
5 4%
0 "t'* . 3
/o,5
SAS 3
5
//3/4-6
D
.4b
4-96
D
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