TPDES Stormwater Annual Report FY2021 TPDES Stormwater Annual Report FY2021 | Page 48

Bacteria monitoring data for FY21 for the City of Arlington and UTA respectively , is included below . Although the City established bacterial monitoring data in 2016 , any comprehensive bacteria ( and / or TMDL ) trend analyses will utilize FY20 data as the baseline as UTA did not begin monitoring until FY20 . This Year 1 goal is fully implemented and 100 % complete and will be continuous for the remainder of the permit term .
City of Arlington :
IC-1
IC-2
IC-3
IC-4
IC-5
IC-7
IC-8
IC-9
IC-10
IC-12
8-3
8-4
1-4
Oct-20
16
326
1
36
2
178
548
37.3
23.1
1300
34.1
225
51
Nov-20
79
8.5
4
104
48
171
238
30
34
97
63.7
45.7
52.9
Dec-20
3840
3990
980
2420
3790
219
228
2420
1050
1990
162
1050
980
Jan-21
649
1410
816
72.7
548
129
93.2
N / A
108
461
121
1200
2260
Feb-21
4
140
138
85
93
63
54.6
2
43
176
21.8
65.7
79.4
Mar-21
77.6
27.5
14.6
98.7
2420
6980
3540
7100
13800
19400
14500
21800
44.1
Apr-21
141
178
387
142
88.2
51.2
219
816
219
2420
135
2420
51.2
May-21
1302
249
1102
9678
270
2069
167
2747
1230
992
125
1050
261
Jun-21
1410
921
1990
579
687
225
119
4550
205
19400
261
140
19400
Jul-21
83.6
179
205
411
157
162
157
2810
1120
2880
365
166
179
Aug-21
2586
461
312
1244
508
39726
1990
12098
4332
12098
313
1990
2420
Sep-21
12.1
69.1
6.3
228
60.2
10.9
517
276
42.8
14500
69.1
32.3
103
E . Coli Concentration ( mpn / 100mL )
45000 40000 35000 30000 25000 20000 15000 10000 5000
0
E . Coli Concentrations FY21
Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21
IC-1 Rush Creek at Division IC-2 Rush Creek at IH20 IC-3 Rush Creek at Sublett IC-4 Kee Branch at Pleasant Ridge IC-5 Village Creek at IH30 IC-7 Johnson Creek at SH360 IC-8 Johnson Creek at Pioneer Pkwy . IC-9 Cottonwood Creek at Forum IC-10 Fish Creek at SH360 IC-12 Cottonwood Creek at Timberlake 8-3 Bowman Branch at Collins 8-4 Lynn Creek at SH360 1-4 Trinity River at River Legacy
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