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EPD
HONGKONG

Recent E. coli Levels in Victoria Harbour from Central/Wan Chai to Siu Sai Wan

marinequalrecmap


Recent monthly E. coli levels (cfu/100mL) at the five marine monitoring stations in Victoria Harbour (Surface - 1m below sea surface, Middle - mid-depth, Bottom - 1m above sea bed)

Sampling Date (MM/YYYY)DepthVM5VM4VM2VM1EM1
101/2011Surface4300035001500480500
2Middle2200044001300140430
3Bottom4600430075040280
4Depth-averaged1632640461135139392
502/2011Surface990380092702
6Middle230036001302403
7Bottom200053001902306
8Depth-averaged16584170612463
903/2011Surface430640800027022
10Middle1100820190003039
11Bottom170050059009150
12Depth-averaged93064096434250
1304/2011Surface120090068190<1
14Middle44002500901602
15Bottom9100380075150<1
16Depth-averaged36352045771661
1705/2011Surface210250012000220120
18Middle90001900900090170
19Bottom620500001200097
20Depth-averaged10546193109035652
2106/2011Surface4502704081700
22Middle2300220029082400
23Bottom490031000195590
24Depth-averaged171826416071340
2507/2011Surface21029054064120
26Middle2000800810310240
27Bottom46004100049080160
28Depth-averaged12452119598117166
2908/2011Surface140014010011080
30Middle5800820040110540
31Bottom6100560018080300
32Depth-averaged367318599099235
3309/2011Surface190009101803209
34Middle120050002101007
35Bottom2000530019011024
36Depth-averaged3573288919315211
3710/2011Surface2700210017000120064
38Middle290020001300060049
39Bottom650012008508013
40Depth-averaged37061715572738634
4111/2011Surface71000690045045064
42Middle17000720082042050
43Bottom23000340090029023
44Depth-averaged30279552869338042
4512/2011Surface2600090015000460<1
46Middle440001600110002801
47Bottom7900210087006303
48Depth-averaged208301446112814331
4901/2012Surface87000180003002107
50Middle280001000037026090
51Bottom68002800036019050
52Depth-averaged254921714534221832
5302/2012Surface5900065090190<1
54Middle3100048007207<1
55Bottom110004600150111
56Depth-averaged271982430213241
5703/2012Surface58098029044026
58Middle700200028029079
59Bottom670230022019016
60Depth-averaged648165226128932
6104/2012Surface51020001402009
62Middle50008300833360
63Bottom410014000342129
64Depth-averaged21876148735225
6505/2012Surface1909802200740800
66Middle620640032001000650
67Bottom310012003600370045
68Depth-averaged715196029371399286
6906/2012Surface480014000230090100
70Middle49006109200140110
71Bottom440012008100150110
72Depth-averaged469521725555124107
7307/2012Surface1400550025001800120
74Middle2100380066017075
75Bottom28002000580011095
76Depth-averaged20193471212332395
7708/2012Surface2704006000140038
78Middle12006200970081074
79Bottom95033003400929
80Depth-averaged6752015582747129
8109/2012Surface28002900640012041
82Middle77002500740019080
83Bottom1500024003600250170
84Depth-averaged68642591554517982
8510/2012Surface360059090300200
86Middle62001700230260190
87Bottom23000200019024048
88Depth-averaged80071261158266122
8911/2012Surface150000620310330160
90Middle820002000460290110
91Bottom29000340071014069
92Depth-averaged709201615466238107
9312/2012Surface82000150006101100550
94Middle270009700650760650
95Bottom870010000650620460
96Depth-averaged2680611332636803548
9701/2013Surface3800033029023026
98Middle1500075023029016
99Bottom2500180024020065
100Depth-averaged1125376425223730
10102/2013Surface1600170024044089
102Middle120022009025087
103Bottom1800530020031074
104Depth-averaged1512270616332483
10503/2013Surface9000024004003403
106Middle10000050002402406
107Bottom400008400510733
108Depth-averaged7113846543661814
10904/2013Surface400003100910044025
110Middle3100100006609010
111Bottom200098003703024
112Depth-averaged62836722130510618
11305/2013Surface160010003900410051
114Middle2800220067001600150
115Bottom750080002700420052
116Depth-averaged322726014132302074
11706/2013Surface2800330250012002300
118Middle23001000047001400140
119Bottom780047006000820011
120Depth-averaged3690249441312397152
12107/2013Surface256201200160190
122Middle270045000200008001900
123Bottom14000320022000120100
124Depth-averaged98144698082249330
12508/2013Surface7300052578494
126Middle650010000270220240
127Bottom8000024000190240840
128Depth-averaged336082320143164267
12909/2013Surface20000022001106932
130Middle1700450016020012
131Bottom2800540017016010
132Depth-averaged9837376714413016
13310/2013Surface2700001000800510290
134Middle63005500510200220
135Bottom69006200380160210
136Depth-averaged227263243537254238
13711/2013Surface50004700600570170
138Middle32004600600400180
139Bottom6200300081060073
140Depth-averaged46294018663515131
14112/2013Surface3800048016047091
142Middle8600170039034074
143Bottom800180034026096
144Depth-averaged6394113727734686
14501/2014Surface1200002800260190120
146Middle1300021003108064
147Bottom3300210040029030
148Depth-averaged17267231131816461
14902/2014Surface72000660410023015
150Middle4100880880048011
151Bottom5100110095003507
152Depth-averaged11461861699833810
15303/2014Surface1200002400034050270
154Middle2400012000300140150
155Bottom90002500032023035
156Depth-averaged2959519310320117112
15704/2014Surface180030006201800<1
158Middle110044004506302
159Bottom1400055004905702
160Depth-averaged302641725158652
16105/2014Surface230016000590041007200
162Middle8207400230001601700
163Bottom64035002700330710
164Depth-averaged1065745571566002056
16506/2014Surface430016002000110015
166Middle1800240024001100190
167Bottom5800220004800130170
168Depth-averaged35544388284654079
16907/2014Surface80029059026015
170Middle5300100035003500550
171Bottom4200003600290001500130
172Depth-averaged12121101439121109102
17308/2014Surface30010005900930080
174Middle2300900042001000090
175Bottom2100730011000990034
176Depth-averaged113240356484972863
17709/2014Surface590380012001704300
178Middle130000220010009003400
179Bottom1500026003800904200
180Depth-averaged10478279116582403945
18110/2014Surface15000330015000170420
182Middle1600034009500150900
183Bottom170002500330041023
184Depth-averaged1597930387776219206
18511/2014Surface1300220004800350200
186Middle38001300011000600170
187Bottom5700140012000370110
188Depth-averaged304273718589427155
18912/2014Surface710028008800100021
190Middle710024008000120038
191Bottom40001900490051027
192Depth-averaged58642337701384928
19301/2015Surface650013005705104
194Middle2800260060065011
195Bottom220029004905307
196Depth-averaged342121405515607
19702/2015Surface38000630033026043
198Middle34000860042033051
199Bottom42000750032033046
200Depth-averaged37859740735430547
20103/2015Surface5700190028030058
202Middle7800140032024044
203Bottom9000190029032021
204Depth-averaged7369171629628538
20504/2015Surface5200052003206108
206Middle48000720033059016
207Bottom55000740025025021
208Depth-averaged51586651929844814
20905/2015Surface2100150570065012
210Middle2400190006700180120
211Bottom210016000670110140
212Depth-averaged21963573294723459
21306/2015Surface6807801800900100
214Middle9201500043002000140
215Bottom1300019001400010000130
216Depth-averaged2011281247672621122
21707/2015Surface49001100010001102
218Middle5200800560014016
219Bottom450080080008088
220Depth-averaged48581917355210714
22108/2015Surface19010036018028
222Middle360160360270170
223Bottom7000070014013050
224Depth-averaged168522426318562
22509/2015Surface51001600340310240
226Middle9001600160520240
227Bottom230023007010083
228Depth-averaged21941806156253168
22910/2015Surface6018090877
230Middle702109813018
231Bottom12013093877
232Depth-averaged80170949910
23311/2015Surface16001506325013
234Middle130042040035011
235Bottom7706007501902
236Depth-averaged11703362662557
23712/2015Surface5500850140523
238Middle2600840591203
239Bottom760230052437
240Depth-averaged2215118075644
24101/2016Surface540240790380014
242Middle30025045031013
243Bottom370230360200120
244Depth-averaged39124050461828
24502/2016Surface11029012098100
246Middle7058011096120
247Bottom1501508390100
248Depth-averaged10529310395106
24903/2016Surface430110011017010
250Middle65040010015027
251Bottom410200110951
252Depth-averaged4864451071346
25304/2016Surface73021033012066
254Middle7102209053054
255Bottom1100100506652
256Depth-averaged82916711416157
25705/2016Surface120150120220420
258Middle200210290660290
259Bottom180220180210100
260Depth-averaged163191184312230
26106/2016Surface140080080059140
262Middle650900480807
263Bottom360350410170029
264Depth-averaged68963254020031
26507/2016Surface1803202101800220
266Middle110080046083090
267Bottom1000300130025061
268Depth-averaged583425501720106
26908/2016Surface6301400470300600
270Middle52052052013076
271Bottom100020042018017
272Depth-averaged68952646819192
27309/2016Surface24009301205383
274Middle110077015019050
275Bottom75059015020076
276Depth-averaged125675013912668
27710/2016Surface2000800080200140
278Middle180010000808580
279Bottom14006502509029
280Depth-averaged1715373311711569
28111/2016Surface190540170120390
282Middle180810210200430
283Bottom2204200120250120
284Depth-averaged1961225162182272
28512/2016Surface3006037018030
286Middle240100350100100
287Bottom25021029013055
288Depth-averaged26210833513355
28901/2017Surface8002102601209
290Middle6501903508018
291Bottom14001704005250
292Depth-averaged9001893317920
29302/2017Surface2601001209586
294Middle32020010080120
295Bottom180240988159
296Depth-averaged2461691068585
29703/2017Surface105011811
298Middle1090118813
299Bottom103017722
300Depth-averaged105113377
30104/2017Surface230560330594
302Middle430330250652
303Bottom680250230325
304Depth-averaged407359267503
30505/2017Surface11003902801603
306Middle14002203009337
307Bottom8001302402740
308Depth-averaged10722232727416
30906/2017Surface201032039051
310Middle430407121050
311Bottom28040686532
312Depth-averaged1342511617543
31307/2017Surface7030570150890
314Middle41025023017051
315Bottom8090231619
316Depth-averaged132881447495
31708/2017Surface49014008302706800
318Middle1900170046042120
319Bottom1400490911344
320Depth-averaged1092105332653330
32109/2017Surface2205505608015
322Middle1000501008455
323Bottom602044159
324Depth-averaged236821354720
32510/2017Surface420708023042
326Middle490120707732
327Bottom3401201305210
328Depth-averaged412100909724
32911/2017Surface120090110220130
330Middle100056017022080
331Bottom20003709010068
332Depth-averaged133926511916989
33312/2017Surface10004001702003
334Middle9505102101101
335Bottom15004401902504
336Depth-averaged11254481891772
33701/2018Surface8004506504002
338Middle9605004304103
339Bottom74056073017012
340Depth-averaged8285015893034
34102/2018Surface31017017024012
342Middle20016028043019
343Bottom5502901904102
344Depth-averaged3241992083488
34503/2018Surface1902701007016
346Middle35026012034047
347Bottom2602301409750
348Depth-averaged25925311913234
34904/2018Surface1030511969
350Middle10<1027445
351Bottom30309216
352Depth-averaged142123537
35305/2018Surface2100110216880
354Middle1300240383238
355Bottom130320383021
356Depth-averaged708204314040
35706/2018Surface23006009002301800
358Middle120020001400110160
359Bottom170038073078140
360Depth-averaged1674770973125343
36107/2018Surface330040002100220150
362Middle280057028055110
363Bottom62024019814
364Depth-averaged17898182244661
36508/2018Surface57002600550390120
366Middle7300100002700140100
367Bottom360055014008543
368Depth-averaged53112427127616780
36909/2018Surface730580810370280
370Middle1800150039056190
371Bottom13006002203690
372Depth-averaged119580541191169
37310/2018Surface170260140150130
374Middle13029013016061
375Bottom18016015012036
376Depth-averaged15822914014266
37711/2018Surface8017016014014
378Middle3014019025033
379Bottom1801401409115
380Depth-averaged7614916214719
38112/2018Surface130120015014090
382Middle150730440400320
383Bottom130490890170130
384Depth-averaged136754389212155
38501/2019Surface380280170150<1
386Middle3203402704701
387Bottom280250110260<1
388Depth-averaged3242881722641
38902/2019Surface15023037041017
390Middle16026032043033
391Bottom23022036025040
392Depth-averaged17723634935328
39303/2019Surface14019027042150
394Middle801501904642
395Bottom180180504519
396Depth-averaged1261721374449
39704/2019Surface401801906546
398Middle9090665635
399Bottom100140149160
400Depth-averaged71131563264
40105/2019Surface330380600270100
402Middle7606304609090
403Bottom6207003809074
404Depth-averaged53855147213087
40506/2019Surface270470710170160
406Middle290062052090170
407Bottom8708702308080
408Depth-averaged880633440107130
40907/2019Surface8208601200260370
410Middle9001400550170170
411Bottom190380804346
412Depth-averaged520771375124142
41308/2019Surface14067019028090
414Middle700570640200310
415Bottom80049047072410
416Depth-averaged428572385159225
41709/2019Surface20060330560190
418Middle260950420160140
419Bottom420450310170150
420Depth-averaged280295350248159
42110/2019Surface53010001501004
422Middle62027001702109
423Bottom4801200130210<1
424Depth-averaged54014801491643
42511/2019Surface12028012013010
426Middle19027026046029
427Bottom17042022068071
428Depth-averaged15731719034427
42912/2019Surface18039030025069
430Middle86047040012085
431Bottom440800290120110
432Depth-averaged40852732615386
43301/2020Surface4803302801103
434Middle6203902701007
435Bottom4502803409412
436Depth-averaged5123302951016
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(Note: Depth-averaged E. coli level is calculated by geometric mean)
Environmental Protection Department of HKSAR