Monitoring the environment

Lower Yarra weekly E.coli results 2013


Yarra Watch no swimming advisory.River users are reminded that swimming is not permitted in the Yarra River downstream of the Gipps Street Bridge except under permit.

Weekly E.coli results (number of organisms per 100mL) over the last three months

Sample date Abbotsford South Yarra Southgate Docklands
9-Oct-13 230 400 340 440
2-Oct-13 Stormwater advisory 470 220 310 250
25-Sept-13 170 220 220 170
18-Sept-13 1700 1900 1800 2600
11-Sept-13 110 280 74 62
4-Sept-13 84 510 97 130
28-August-13 640 550 440 470
21-August-13 260 230 240 180
14-August-13 Stormwater advisory 170 230 230 420
7-August-13 1200 2100 680 930
31-July-13 Stormwater advisory 210 550 470 340
24-July-13 Stormwater advisory 860 2200 670 450
17-July-13 350 580 560 530
10-July-13 310 1700 570 210
3-July-13 490 250 380 320
26-June-13 17 380 380 230
19-June-13 610 350 290 310
12-June-13 250 180 140 150
5-June-13 Stormwater advisory 380 620 930 720
29-May-13 110 150 300 200
22-May-13 160 500 370 280
8-May-13 180 270 310 240
1-May-13 85 230 220 96
23-Apr-13 1100 830 2800 2200
17-Apr-13 1100 580 960 1200
10-Apr-13 170 260 370 300
3-Apr-13 Stormwater advisory 490 160 300 640
27-Mar-13 150 140 290 340
20-Mar-13 150 270 450 310
13-Mar-13 6900 230 250 400
6-Mar-13 Stormwater advisory 160 330 290 350
27-Feb-13 Stormwater advisory 4400 8700 11000 430
20-Feb-13 74 250 280 200
13-Feb-13 150 170 160 150
6-Feb-13 150 310 220 1400
30-Jan-13 110 1100 750 1400
23-Jan-13 74 290 210 200
16-Jan-13 260 380 98 230
9-Jan-13 170 520 470 74
2-Jan-13 170 290 210 930
27-Dec-12 74 230 180 230
19-Dec-12 Stormwater advisory 230 340 790 680
12-Dec-12 95 130 260 230
5-Dec-12 Stormwater advisory 130 430 470 170
28-Nov-12 Stormwater advisory 6100 6100 5500 5800
21-Nov-12 86 200 170 98
14-Nov-12 260 120 160 200
7-Nov-12 250 500 810 400
31-Oct-12 96 85 85 86
24-Oct-12 190 170 170 120
17-Oct-12 52 36 24 38
10-Oct-12 690 910 1300 1200
3-Oct-12 280 220 150 250
26-Sep-12 74 52 85 73
19-Sep-12 200 330 560 530
12-Sep-12 160 210 130 140
5-Sep-12 74 160 160 230
29-Aug-12 31 74 84 85
22-Aug-12 Stormwater advisory 210 460 390 450
15-Aug-12 Stormwater advisory 320 660 690 590
8-Aug-12 190 170 330 220
1-Aug-12 Stormwater advisory 450 340 530 710
25-Jul-12 63 190 170 130
18-Jul-12 170 240 320 380
11-Jul-12 N/A 760 220 160
4-Jul-12 N/A 2200 1700 2200
27-Jun-12 Stormwater advisory N/A 620 1200 580
20-Jun-12 N/A 180 350 310
13-Jun-12 N/A 160 160 180
6-Jun-12 Stormwater advisory N/A 1500 2300 1700
30-May-12 Stormwater advisory N/A 1200 960 960
23-May-12 230 320 230 110
16-May-12 370 460 420 680
9-May-12 Stormwater advisory 130 120 350 200
2-May-12 Stormwater advisory 5200 6100 5200 2200
24-Apr-12 17000 17000 4600 5200
18-Apr-12 220 97 330 340
11-Apr-12 1600 3600 2000 1400
4-Apr-12 97 1900 490 530
28-Mar-12 84 19 230 280
21-Mar-12 200 220 220 240
14-Mar-12 280 170 330 330
7-Mar-12 Stormwater advisory 360 320 280 330
29-Feb-12 Stormwater advisory 860 460 370 510
22-Feb-12 260 470 230 160
15-Feb-12 Stormwater advisory 63 240 480 220
8-Feb-12 110 740 400 660
1-Feb-12 400 5200 1200 1500
25-Jan-12 170 520 360 3300
18-Jan-12 85 550 260 120
11-Jan-12 250 750 1700 370
5-Jan-12 Stormwater advisory 3400#
4-Jan-12 Stormwater advisory 2500 5200* 380 700
28-Dec-11 3100 1400 1200 1600
21-Dec-11 270 2300 360 200
14-Dec-11 260 280 250 250
30-Nov-11 720 400 280 500
23-Nov-11 700 330 440 130
16-Nov-11 1300 3100 890 700
9-Nov-11 Stormwater advisory 2000 2300 2300 1600
2-Nov-11 Stormwater advisory 230 170 230 240
26-Oct-11 390 260 960 460
19-Oct-11 210 52 140 190
12-Oct-11 180 160 130 700
5-Oct-11 220 170 240 220
28-Sep-11 Stormwater advisory 62 360 200 230
21-Sep-11 460 580 530 460
14-Sep-11 200 130 160 230
07-Sep-11 63 130 97 310
31-Aug-11 190 120 110 200
24-Aug-11 160 1700 1300 280
17-Aug-11 110 290 400 170
10-Aug-11 810 420 300 320
03-Aug-11 97 110 230 130
27-Jul-11 360 730 560 500
20-Jul-11 330 300 310 230
13-Jul-11 200 330 130 210
6 Jul-11 520 200 570 290
30-Jun-11 110 97 74 170
23-Jun-11 1700 1500 2400 1900
15-Jun-11 Stormwater advisory 1800 2100 290 170
8-Jun-11 1000 1600 1200 730
1-Jun-11 150 230 290 86
25-May-11 Stormwater advisory 500 1000 1000 1200
18-May-11 Stormwater advisory 530 470 1300 1200
11-May-11 460 2000 1700 690
5-May-11 350# 310#
4-May-11 530 1400 6100* 960*
27-Apr-11 160 250 300 360
20-Apr-11 Stormwater advisory River user's alert 600 470 770 170
13-Apr-11 Stormwater advisory River user's alert 11000 16000 24000 24000
06-Apr-11 96 310 500 500
30-Mar-11 130 310 130 230
23-Mar-11 200 1900 640 2500
16-Mar-11 Stormwater advisory 560 390 310 300
09-Mar-11 370 820 530 340
02-Mar-11 350 280 490 450
23-Feb-11 Stormwater advisory 170 1000 300 170
16-Feb-11 Stormwater advisory 540 410 1900 400
9-Feb-11 Stormwater advisory 630 410 720 500
2-Feb-11 710 350 230 130
27-Jan-11 400 400 390 430
19-Jan-11 Stormwater advisory River user's alert 320 260 360 340
12-Jan-11 Stormwater advisory River user's alert 20000 20000 24000 14000
5-Jan-11 180 180 150 230

* E.coli organisms per 100mL were elevated. A follow up sample will be taken.

# Results from a follow up sample taken where the initial sample returned an elevated number of E.coli organisms per 100mL.

Alert Stormwater advisory - issued when there has been significant rainfall. The advisory will apply to individual sections of the river, Upper, Middle or Lower Yarra, if rainfall has been localised, or to the entire river if rainfall is widespread.

Alert River user's alert - issued when a single very high E.coli result or pollution incident may affect local recreational water quality.

Page last updated on 14 Oct 2013