HomeMy WebLinkAboutNC0039578_Annual Performance_20190225 2018
ANNUAL PERFORMANCE REPORT ����sVEO/� N11oWR
for FEB 25 2019
Watei Ressources
Tuckaseigee Water and Sewer Authority ' ' lig servo,
Wastewater Operations
The Tuckaseigee Water and Sewer Authority currently owns and operates three(3)wastewater
treatment facilities and has contracted to operate the Whittier WWTP for the Whittier Sanitary
District. The following report is a summary of the operation of these facilities for the 2018
calendar year.
TWSA Plant # 1
Location: 1871 North River Rd.
Sylva,North Carolina 28779
Operator in Responsible Charge: Stan Bryson
Contact: Wastewater Operations Superintendent
1246 West Main St.
Sylva NC 28779
ph: 828-586-9318
TWSA Plant# 1 is operated under the authority of the following permits, as issued by the North
Carolina Dept. Of Environment and Natural Resources: NC0039578 NPDES Discharge Permit
WQ0005763 Residuals Permit
Air Quality Permit#08420R01
Stormwater Permit#NCG110111
TWSA Plant# 1 discharges from one outfall into the Tuckasegee River which is classified Class
C-Trout waters in the Little Tennessee River Basin. The plant design process is a sequencing
batch reactor(SBR)version of the activated sludge process with a design capacity of 3.5 million
gallon/day. The plant consists of the following unit processes, automatic band screen,vortex grit
removal, 150 hp triplex influent pump station,2 SBR basins with a capacity of 1.694 mg each,
.468 mg of flow equalization, .1508 mg of chlorination contact capacity and d-chlorination and
reaeration facilities.
The plant upgrade completed in 2011 is currently operating well within permit limits. The
expansion should help to meet the growing needs of the county well into the future.
Additionally,the plant continues to treat wastes generated by septic tank pumpers in Jackson
County as well as portable toilet services provided during construction of any homes or
businesses in the county. These services to the total geographic area of the county significantly
impact the facilities sludge management operations.
Overall performance of the plant during 2018 was excellent,with no violations of permitted
parameters during the year.
Some pertinent information on the plant is as follows:
The average daily flow at the facility during the year 2018 was 1.074 mgd.This represents
30.7% of plant permitted capacity and was a 4.6% increase from 2017. The average daily flow
for the most recent five year period is 0.887 mgd.The highest monthly average in 2018 occurred
in December and was recorded as 1.324 mgd. This represents 37.8% of total plant capacity and
was a 6.8% increase from 2017. The highest daily flow occurred Dec 29th, 2017 and was
recorded as 4.496 mgd. This represented 128% of total plant capacity and was an increase of
72.8% from 2017. This was the only day during 2018 when the recorded flow was greater than
plant capacity.
Total sludge production was calculated from the amount of sludge processed on the belt filter
press. These residuals totaled 2,946,747 gals of sludge and were calculated at 254.3 dry tons.
This represents all of the sludge generated by the Authority's facilities during 2018. When the
sludge production of the other plants the Authority operates is subtracted from this total, it is
estimated that the TWSA Plant#1 facility produced ??? dry tons of sludge during 2018. This is
??% of the total amount of sludge produced by the facilities operated by the Authority during
2018. This sludge is dried to meet EPA and NCDENR regulations and is made available for
distribution to the public as a soil amendment. There were approx. ???tons of dried residuals
distributed to the public during 2018.
There were no violations of permitted monthly,weekly or daily limits during the 2018
calendar year. On average,there was a 97.6% reduction in the amount of pollutants in the
water after treatment.
A renewal of this permit was requested on April 3rd,2017.
The permit for this facility became effective July 1,2013 and expired at midnight on October 31,
2017.
2018
MonthlyPerformance Summary of Wastewater Plant Operations
TWSA Plant#1 (NC0039578)
Flow Inf Bod EFF BOD
Month mgd mg/I mg/I %
(Limit, 3.500 mgd) (Limit, 30 mg/I) reduction
January 0.934 238.0 4.3 98.2
February 1.055 192.0 9.8 94.9
March 1.106 226.0 7.0 96.9
April 1.147 256.0 8.8 96.6
May 1.111 284.0 13.8 95.1
June 1.043 176.0 2.5 98.6
July 0.920 179.0 2.7 98.5
August 1.002 187.0 3.7 98.0
September 1.068 236.0 11.4 95.2
October 0.990 249.0 7.0 97.2
November 1.193 206.0 11.2 94.6
December 1.324 194.0 6.6 96.6
avg. 1.074 218.6 7.4 96.7
Inf TSS EFF TSS Fecal Coliform
Month mg/I mg/I % per 100 ml
(Limit, 30 mg/I) reduction (Limit,200/100 mis)
January 246.0 2.9 98.8 <4
February 182.0 6.2 96.6 < 13
March 233.0 3.6 98.5 <22
April 286.0 2.5 99.1 <4
May 325.0 6.2 98.1 <4
June 233.0 2.7 98.8 < 17
July 222.0 2.9 98.7 < 10
August 258.0 3.4 98.7 <28
September 240.0 2.9 98.8 <32
October 256.0 2.7 98.9 < 13
November 199.0 3.3 98.3 22
December 189.0 3.1 98.4 <26
avg. 239.1 3.5 98.5 < 16
NPDES# NC 0039578
TWSA Plant# 1 Daily Flows Yearly Monthly Avg. 1.074
2018 Yearly Daily Avg.. 1.074
Permitted Flow-3.5mgd Yearly Daily Max 4.496
Date Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec
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AVERAG 0.934 1.055 1.106 1.147 1.111 1.043 0.920 1.002 1.068 0.990 1.193 1.324
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MINIMUr 0.604 0.774 I 0.521 0.785 0.641 0.550 _ 0.569 I 0.803 0.740 0.643 0.683 0.688
TWSA Plant # 2
Location: 114 East Hometown Place Rd.
Sylva,North Carolina 28779
Operator in Responsible Charge: Ben Henson, ORC
828-508-2209
or
Contact: Stan Bryson
Wastewater Operations Superintendent
1246 West Main St.
Sylva NC 28779
ph: 828-586-9318
TWSA Plant#2 is operated under the authority of the following permit, as issued by the North
Carolina Dept. Of Environment and Natural Resources: NC0020214 NPDES Discharge Permit
TWSA Plant#2 discharges from one outfall into Scott Creek which is classified Class C-Trout
waters in the Little Tennessee River Basin. The plant process is a conventional activated sludge
process with a design capacity of 0.5 million gallon/day. The plant consists of the following unit
processes,manually cleaned bar screen, aerated grit removal, activated sludge with secondary
clarification and chlorination and dechlorination facilities.The addition of a surge(eq)basin is
needed to maximize the treatment capacity of the plant. The major concern at this facility is the
outdated and mismatched electrical facilities. The electrical facilities will have to be substantially
upgraded to allow the Authority to move forward with any plant improvements.
The average daily flow at the facility during the year 2018 was .160 mgd. This represents
26% of plant capacity and was a 6% decrease from the avg. daily flow during 2017. The highest
monthly average in 2018 occurred in December and was recorded as 0.216 mgd. This represents
43.2% of total plant capacity and was a 0.8% increase from 2017.The highest daily recorded
flow in 2018 was .510 mgd and occurred Dec 29th,2018. This represented 102% of total plant
capacity. This was the only day in 2018 when the recorded flow was greater than plant capacity.
This plant produced 250,000 gallons of waste sludge during 2018. These residuals totaled 20.45
dry tons and represented 8.0 % of the total residuals generated by the Authorities facilities.
This sludge was hauled to via tank truck to TWSA Plant#1 for treatment.
Overall performance of the TWSA#2 wastewater plant for the calendar year of 2018 was
excellent. There were no violations of permitted monthly,weekly or daily limits during the
2018 calendar year. On average,there was a 97.6% reduction in the amount of pollutants
in the water after treatment.
This facilities permit was renewed on July 1,2018 and expires Oct 31,2022.
2018
Monthly Performance Summary of Wastewater Plant Operations
TWSA Plant#2(NC0020214)
Flow Inf Bod Eff BOD
Month mgd mg/I mg/I %
(Limit, 0.500 mgd) (Limit, 30 mg/I) reduction
January 0.092 194.0 8.3 95.7
February 0.139 177.0 4.8 97.3
March 0.129 178.0 2.8 98.4
April 0.107 159.0 4.4 97.2
May 0.120 240.0 5.1 97.9
June 0.126 156.0 4.7 97.0
July 0.123 177.0 9.8 94.5
August 0.126 196.0 3.8 98.1
September 0.110 229.0 6.2 97.3
October 0.112 251.0 4.4 98.2
November 0.156 187.0 8.6 95.4
December 0.216 148.0 3.5 97.6
avg. 0.130 191.0 5.5 97.1
Inf TSS Eff TSS Fecal Coliform
Month mg/I mg/I % per 100 ml
(Limit, 30 mg/I) reduction (Limit,200/100 mis)
January 264.0 4.9 98.1 <4
February 117.0 3.6 96.9 <4
March 177.0 2.5 98.6 <4
April 206.0 2.6 98.7 <4
May 141.0 2.5 98.2 <4
June 225.0 2.8 98.8 <4
July 215.0 3.5 98.4 <4
August 260.0 3.0 98.8 <4
September 300.0 3.2 98.9 <4
October 310.0 8.8 97.2 <8
November 243.0 6.6 97.3 <4
December 121.0 4.0 96.7 <4
avg. 214.9 4.0 98.1 < 4
NPDES# NC 0020214
TWSA Plant#2 Daily Flows Yearly Monthly Avg. 0.130
2018 Yearly Daily Avg. 0.130
Permitted Flow-0.500 mgd Yearly Daily Max 0.510
Date Jan '18 Feb'18 Mar'18 Apr'18 May'18 Jun '18 July'18 Aug '18 Sep'18 Oct'18 Nov'18 Dec'18
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8 0.077 0.145 0.129 0.118 0.090 0.115 0.117 0.123 0.095 0.107 0.162 0.145
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14 0.106 0.205 0.093 0.081 0.077 0.111 0.124 0.125 0.113 0.101 0.187 0.195
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16 0.092 0.164 0.108 0.188 0.099 0.093 0.118 0.133 `�0.064 0.287 0.182
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18 0.078 0.153 0.098 0.102 0.169 0.114 0.114 0.114 0.115 0.111 0.169 0.134
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20 0.073 0.128 0.100 0.091 0.132 0.126 0.105 0.121 0.126 0.097 0.133 0.136
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22 0.079 0.128 0.094 0.086 0.111 0.106 0.127 0.147 0.099 0.101 0.128 0.320
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24 0.085 0.102 0.090 0.071 0.109 0.048 0.122 0.099 0.108 0.093 0.166 0.217
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26 0.073 0.105 0.148 0.117 0.092 0.123 0.115 0.091 0.096 0.139 0.138 0.163
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28 0.098 0.092 0.113 0.118 0.120 0.159 0.088 0.110 0.148 0.121 0.123 0.479
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30 0.096 0.123 0.096 0.180 0.157 0.114 0.136 0.101 0.098 0.126 0.358
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MINIMUI' 0.067 _ 0.077 0.090 0.071 0.068 0.048 0.088 0.091 0.058 0.086 0.109 0.127
TWSA Plant # 3
Location: 851 Cashiers Lake Rd.
Cashiers,North Carolina 28717
Operator in Responsible Charge:Ben Henson, ORC @ ph 828-743-5793
or
Contact: Stan Bryson
Wastewater Operations Superintendent
1246 West Main St.
Sylva NC 28779
ph: 828-586-9318
TWSA Plant#3 is operated under the authority of the following permit, as issued by the North
Carolina Dept. Of Environment and Natural Resources: NC0063321 NPDES Discharge Permit
TWSA Plant#3 discharges from one outfall into an unnamed tributary to the Chatooga River
which is classified as Class B-Trout ORW waters in the Savannah River Basin. The plant process
is a conventional activated sludge process with a design capacity of 0.200 million gallon/day.
The plant consists of the following unit processes,manually cleaned bar screen, extended air
activated sludge with secondary clarification,tertiary filters and chlorination and dechlorination
facilities. The addition of a band screen at the headworks would greatly improve operations and
the quality of sludge the plant produces.
The average daily flow at the facility during the year 2018 was 0.090 mgd this represents 45%
of plant capacity and was a 9% increase from the avg daily flow during 2017.The highest
monthly average during 2018 occurred in June and was recorded as.130 mgd. This represents
65% of total plant capacity and represents a 15.7% increase from 2017.The highest daily
recorded flow in 2018 was .216 mgd and occurred May 30th,2018. This represented 108% of
total plant capacity.
This plant produced 75,000 gallons of waste sludge during 2018. These residuals totaled
8.87 dry tons and represented 3.5% of the total residuals generated by the Authorities facilities.
This sludge was hauled to TWSA Plant#1 for treatment.
Overall performance of the TWSA#3 wastewater plant for the calendar year of 2018 was
excellent. There were no violations of permitted monthly,weekly or daily limits during the
2018 calendar year. On average,,there was a 96.7% reduction in the amount of pollutants
in the water after treatment.
The permit for this facility was renewed effective November 1,2017 and will expire on Aug 31st,
2022.
2018
Monthly Performance Summary of Wastewater Plant Operations
TWSA Plant#3(NC0063321)
Flow Inf Bod Eff BOD
Month mgd mg/I mg/I %
(Limit, 0.200 mgd) (Limit, 15 mg/I) Reduction
January 0.063 119.0 4.3 96.4
February 0.098 93.8 2.9 96.9
March 0.074 140.0 2.9 97.9
April 0.074 192.0 3.1 98.4
May 0.112 216.0 5.6 97.4
June 0.130 206.0 5.3 97.4
July 0.106 271.0 6.6 97.6
August 0.094 248.0 5.7 97.7
September 0.077 347.0 2.8 99.2
October 0.076 259.0 6.0 97.7
November 0.086 177.0 5.8 96.7
December 0.095 125.0 2.8 97.8
avg. 0.090 199.5 4.5 97.6
Inf TSS Eff TSS Fecal Coliform
Month mg/I mg/I % per 100 ml
(Limit, 30 mg/I) reduction (Limit,200/100 mis)
January 135.0 7.9 94.1 <4
February 194.0 3.3 98.3 <4
March 169.0 7.1 95.8 <4
April 106.0 3.9 96.3 <5
May 138.0 7.7 94.4 <4
June 138.0 5.6 95.9 <4
July 174.0 6.6 96.2 <5
August 143.0 9.8 93.1 <4
September 258.0 5.9 97.7 <5
October 185.0 8.5 95.4 <5
November 151.0 10.6 93.0 <4
December 151.0 3.8 97.5 <5
avg. 161.8 6.7 95.7 < 4
NPDES# NC 0063321
TWSA Plant#3 Daily Flows Yearly Monthly Avg. 0.090
12 Month Avg Yearly Daily Avg. 0.090
Permitted Flow-0.200 mgd Yearly Daily Max 0.216
Date Jan '18 Feb '18 Mar'18 Apr'18 May'18 Jun '18 July'18 Aug '18 Sep'18 OCT'18 Nov'18 Dec'18
iiiiii : 1i•i
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2 0.037 0.067 0.097 0.054 0.081 0.175 0.135 0.102 0.097 0.056 0.085 0.102
7iiiii:ii s
!i0i0€lia i:i(309�i:i:i:i:i is isiL1°p;s .......ii°f#'O�Biiiiii�i�' Q3:i:i:i:i i :�� � :'�: :
.€ �iiiii:`' i'•�lii�5 ii�. 3iiiiiii": . , .. .2 .... .... ,� .5 's � . ::`i#�:i2& : '.
. . .. .... .. . . . .. . .. .. .. . . . . . . . . .. .. . .9� iiiii i.. �Y�55°€isi€is� � i5<c�?..... .. . QQA'si€€
4 0.043 0.057 0.076 0.059 0.078 0.117 0.104 0.179 0.084 0.060 0.067 0.062
iii$iiiiii€ .8�iiii:::;:::s::::• giiiiiiii is :Di07�iiii:i:: i's(�i��:`•: 3:i:i:i::: :i#li`~��'ii:ii- :i�i:.:..
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•.p46 1.:ii?i' iic�'1:Q .06
6 0.062 0.062 0.079 0.061 0.090 0.142 0.120 0.107 0.077 0.091 0.084 0.065
1:i
:1� �iisiii::is iiil�ii�$ :i1liQ1�3i`iiii�...iii0�03 .iit�il 5"iiii::..�ii�. ��'� i:i0:094:�iii:ii'€ ii>7�);I•. �..
. 'ii�iiii€ 'siQ ��iiiiiii i...i:dl, .. .. 7�iiiiiii:`.' iQQ �: 'iiiii:i0i0$: i... ...ii>"liOn siiiii
8 0.052 0.106 0.070 0.054 0.077 0.120 0.117 0.075 0.101 0.054 0.066 0.070
ii0:0•.::i ''6iii:i:ii' 0 9 ii;i:: i;0i1i3:. :•06i:iiiii'S'•iiiiiii' :€1���iii::i=:iii . '�.. �•�4 ;Z:iiiii ��:� ;:'Q:• 5:i:i:: i i:0.0• iiti��fhiii:::i:: i0:0..
':i$iiii i' • �1�: i� .�. . ..1.iiii i ..iigq.. .ii�. � ...... i�,. s14 . �iiiii:i i` 7iiiiiiii i
10 0.038 0.067 0.071 0.058 0.083 0.148 0.086 0.107 0.071 0.079 0.092 0.079
4 iii:ii: :i0i1 °i1 Piii:E::;.
:i'f�1:ti:i:i i •'•1;i:isi:i ' :i0i0'•i:0• 9:i 6iii:i:i:
:ifl &3:i:i:i:i"' • 07�iiii:i:i i i€�)i�15$iiiiiiii�.... .OJ.... . 2Tiiiiiii::. i:�)> AO'.ii:i:i:�: :i:0�:�l..... ..ii�lil7�iiiii:i: .1 •. :i� ... <1 .• .. .�:iii:ii'' ii��� .1 i.. .��t�5 i:0i•3$:::i:iii
12 0.159 0.194 0.072 0.064 0.085 0.113 0.115 0.110 0.081 0.147 0.061 0.055
aaaa:'.
•'3' '9'iiiii'•i ii iiiJ'sCl�� `:E�:09 ::16:i:i:°:::� ii£1's:'��'•'iii:;iii:i '•:'•t#:�0�•il�1i'i#i€ii€i€`• '�i1 1 .•.6tliii:iiii ii ii:d:�•i`•iiiiii ii0i:'°'•
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14 0.076 0.115 0.085 0.056 0.055 0.122 0.111 0.085 0.089 0.080 0.078 0.075
:ii �i010
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ii#1 . t}:i:i:i::i :i:q;I�? ii5�Q�4ii€iiiii'•...iiiQ;`0 4:iii€:€`:..iiClil.Qii:i:ii.i. ::iQ`.i��0 iiii:ii•: ill#:R t�:i::i::i .i:>5'�t .1..
. i1�iiiii ....5�3iiiiiii' Y. . � , �iiiiii:i:. iiflfl7:`3iiiii:: ..:::0 �?0ii:isi:i i ii4i13
16 0.071 i 0.104 0.088 i 0.126 0.090 0.123 i 0.102 0.106 0.079 0.071 0.105 0.113
i�f1, :i:t;IsO'i.::i _ �ii`i'i� ���1 l3iiiii:i i:Cfi0 :i:0�fl7:i:1:?iii:i ` 5:s:iii:.i iif1i0B1i:;i::
.ii�1;�15�{ii'::i:� la ..�.i€ii€:i i€�1i�.. .'.( .... G.......... ii�,. i(� � . .5.�ii'.iiiii ii
18 0.045 0.116 0.067 0.058 0.130 0.109 0.106 0.083 0.057 0.067 0.076 0.087
iiiiiiiniiiiii 4iiiii:i':: ihi 7i:iiiii•
`•:� •'�f7�'.'si°iiii� ii'.F#i'f? 21•:i:i:i:i i i:�1�0 4ii:i::i
i'•>;1iC1�8iiiiiii .. ��l�i€:: i :ii13p6'iiiiiiiiii i...ii�, ...:iQ.. .... .... , 93'.iii:iii'� .iiii�<(�� .. iiQQ7:1:ii:i:iii i ii:fl`•�l f3'.iii :ii:iq'
20 0.047 0.100 0.073 0.057 0.149 0.163 0.101 0.090 0.058 0.082 0.096 0.099
giiiii':ii i :i0 3iii':.i€ii s iig10$iiiiiii ii piiiiiiii i ii0i'•'' •
��iiiii€:: ii�'•0� €i#j '€`l:� €€0. :� .�23i€�ii `� ii:0:1�72i:i:i:i�: •68'•i::i:i''
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his€€ i .c�aa=€aai4<c� . .. . .. i��1 i��i�
22 0.050 0.130 0.065 0.062 0.088 0.127 0.102 0.090 0.069 0.060 0.100 0.119
::liii::i::::1• :� •:1D• _ 'f:i:i:i:i:: '�':Oiy'• 0:�: i:it� i:I�i:i5.
c#5iii`ii i ii�Y. 1.is ..ikid6l�iiiiii:: :i0 Q 5iii�iiii'' ,.. (�ii`iii°' ... 1 Q.iiiiiii°' :mils#... ii'.131�.[7iiiiiii:': ii�3i>�72i:ii::i:• ::i�3€J5.. :p
..�i:��iiiiii .. ....... �::iii::::..:::Dig7:�ii'.i:i:i i...iib, 6r;:si'ii
24 0.054 0.100 0.039 0.120 0.094 i 0.109 0.101 0.074 0.056 0.060 0.133 i 0.100
:i iiiiiii:i'
•5::• ii�li�'$'.i`ii. .i]i38� : 68:i`::ii i' `i0;°$�`•2iii:`� i€0:1'(3� �`•`�C1d`ii:iiii:i iiiQ;...� ii`i i ii�'•0� 6
iiig�iiiiii:: ?:iisiii i ,• :i:0;fl O:i::i::r:i:i:i:i• .:18:i:i::i iiiiiIiib O:
26 0.056 0.090 0.073 0.086 0.124 0.130 0.102 0.106 0.058 0.092 0.087 0.066
:i0i'•1: :p7' ::1.
?iii€€:-is :i:(l`':17 3:°•::is' 3i:i:i:i::i :i:��(l ';i::i:i ;;1;.
i€>;IsC(6>�i:ii'iii:. ii;0'.€?s�2'siis.•. ::.R057iiii'iii is i'�1��'•ii'.i:i°• �i'€i =:° ..2 ::�1it19 ... � �6ii::isi:i i'.Q. 6:i:i:iii i i:� g:i:i::"`
.aii2.... . . ... F.•:::� . ..... . .. .• , ,•, i. . . . ... . Y.2 ....::€i€i €I�i(�5........ il..�iiiii
28 0.065 0.083 0.077 0.086 0.159 0.107 0.067 0.067 0.130 0.105 0.072 0.207
i:0s0 ��:iiiiiiii is :iS9b:;::iii•` '•i:p'18g::i:i:i:`' ..6iiiii`•�i:" ii��''bi��iiii i 'iit�i _ 'i o;s:
ii:2� :i0. :� .t�7••:i:;:: 9:::: i �'�:i;ii:iiiiiii.
. Bpi€i`i: . ::'[�iQ? i�i 0 7:iii i
0r1pi€i:i
30 0.056 0.068 0.076 0.216 0.110 0.101 0.080 0.085 0.058 0.094 0.137
i0 .6i:i:i:i:ii i19 :#.
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t�
:i:3: i .. isQ .. ... ...iiil}. .... ......... . i#l...i�$iii:iiii:• .:i0sQ>a0ii si:
AVERAC 0.063 0.098 0.074 0.074 0.112 0.130 0.106 0.094 0.077 0.076 0.086 0.095
:17s9i58iiiiiiii` ..1 i:i0 10i:ii€:ii ii0s1.k�8iii:iii:� :i:s7�:2:$�:iii'si `is)i20f3'::isi°:i i�li� O�iii::° ' s:0175i:iii.: '€1: :i1' 7'•i'i'•
ii$iiiiiii:
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MINIMUI 0.037 0.057 0.039 0.046 0.055 0.103 _ 0.067 0.063 I 0.056 0.053 0.055 0.050
Whittier WWTP
Location: 294 Clearwood Drive
Whittier,North Carolina 28789
Operator in Responsible Charge: Harvey Bingham, ORC
828-506-3323
or
Contact: Stan Bryson
Wastewater Operations Superintendent
1246 West Main St.
Sylva NC 28779
ph: 828-586-9318
The Whittier Sanitary District currently contracts operation and maintenance of the Whittier
WWTP to the Tuckaseigee Water and Sewer Authority.
Whittier WWTP is operated under the authority of the following permit, as issued by the North
Carolina Div. of Water Resources: NC0087602 NPDES Discharge Permit
The Whittier WWTP discharges from one outfall into the Tuckaseegee River which is in the
Little Tennessee River Basin. The plant process is a conventional activated sludge process with a
design capacity of 0.100 million gallon/day. The plant consists of the following unit processes,
influent pump station,manually cleaned bar screen, extended air activated sludge with secondary
clarification,tertiary filters and ultra-violet light disinfection facilities.
The average daily flow at the facility during the year 2018 was.011 mgd this represents 11% of
plant capacity and is a 3% increase from 2017. The highest monthly average occurred in
December and was recorded as .017 mgd. This represents 17% of total plant capacity and was a
6% increase from 2017. The highest daily recorded flow in 2018 was .089 mgd and occurred
_ Dec 30th,2018. There were zero (0)days in 2018 when the recorded flow was greater than plant
capacity.
There were no violations of permitted monthly,weekly or daily limits during the 2018 calendar
year except for the following:
The facility was noncompliant during the month of November for the average%reduction of
TSS (total suspended solids). The permit requires the facility to achieve a reduction of 85%in
the amount of TSS influent to the facility. For the month of November 2018 this reduction was
only 78.4%.
Observation of the location of the Influent sample intake led operators to believe the
solids were settling out before the sample was taken. This along with dilution of the wastewater
by high rainfall totals resulted in the avg for TSS in the Influent being somewhat lowered.