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Contaminants named on fish advisories

The contaminant the advisory is recorded against — mercury, PFAS and PCBs. "Precautionary" is the guide's own wording for an advisory recorded without a named contaminant.

Mercury
81,691 rows
PFAS
7,918 rows
PCB
6,992 rows
Precautionary
6,905 rows
Mercury, PCB
1,737 rows
Mercury, PFAS
1,512 rows
Selenium
937 rows
Arsenic
567 rows
PCB, PFAS
503 rows
Mercury, Selenium
304 rows
Mercury, Arsenic
144 rows
Mercury, PCB, PFAS
123 rows
Chromium
123 rows
Dioxins/Furans
108 rows
Lead
79 rows
PCB, Selenium
50 rows
Arsenic, Mercury
45 rows
Arsenic, PFAS
27 rows
Selenium, Arsenic
26 rows
Mercury, PCB, Selenium
24 rows
Arsenic, Mercury, PFAS
19 rows
Arsenic, Mercury, Selenium
17 rows
Dioxins/Furans, PFAS
15 rows
Arsenic, Selenium
13 rows
Mercury, PCB, Arsenic
13 rows
Mercury, Dioxins/Furans
9 rows
Dioxins/Furans, PCB
7 rows
Dioxins/Furans, PCB, PFAS
6 rows
PFAS, Selenium
6 rows
Mercury, Arsenic, Selenium
5 rows
PFAS, PCB
5 rows
Dioxins/Furans, Mercury, PFAS
5 rows
PCB, Mercury
5 rows
Dioxins/Furans, Mercury, PCB
5 rows
Mercury, Selenium, Arsenic
4 rows
Mercury, PFAS, Selenium
4 rows
Arsenic, Mercury, PFAS, Selenium
4 rows
Dioxins/Furans, Mercury
4 rows
PCB, Arsenic
3 rows
PCB, Selenium, Arsenic
2 rows
Arsenic, Mercury, PCB, PFAS, Selenium
2 rows
PCB, Mercury, PFAS
1 rows
Mercury, PCB, Selenium, Arsenic
1 rows
PCB, Dioxins/Furans
1 rows
Mercury, PCB, Dioxins/Furans
1 rows
Arsenic, Mercury, PCB, PFAS
1 rows
Arsenic, Chromium
1 rows

What advisories are recorded against

Counts advisory rows, not risk.

What the advisory is recorded againstThe contaminant named on the advisory. A waterbody can carry more than one, in which case the row names each.MercuryMercury: 81691 advisory rows81,691PFASPFAS: 7918 advisory rows7,918PCBPCB: 6992 advisory rows6,992PrecautionaryPrecautionary: 6905 advisory rows6,905Mercury, PCBMercury, PCB: 1737 advisory rows1,737Mercury, PFASMercury, PFAS: 1512 advisory rows1,512SeleniumSelenium: 937 advisory rows937ArsenicArsenic: 567 advisory rows567PCB, PFASPCB, PFAS: 503 advisory rows503Mercury, SeleniumMercury, Selenium: 304 advisory rows304Mercury, ArsenicMercury, Arsenic: 144 advisory rows144Mercury, PCB, PFASMercury, PCB, PFAS: 123 advisory rows123ChromiumChromium: 123 advisory rows123Dioxins/FuransDioxins/Furans: 108 advisory rows108LeadLead: 79 advisory rows79PCB, SeleniumPCB, Selenium: 50 advisory rows50Arsenic, MercuryArsenic, Mercury: 45 advisory rows45Arsenic, PFASArsenic, PFAS: 27 advisory rows27Selenium, ArsenicSelenium, Arsenic: 26 advisory rows26Mercury, PCB, SeleniumMercury, PCB, Selenium: 24 advisory rows24Arsenic, Mercury, PFASArsenic, Mercury, PFAS: 19 advisory rows19Arsenic, Mercury, SeleniumArsenic, Mercury, Selenium: 17 advisory rows17Dioxins/Furans, PFASDioxins/Furans, PFAS: 15 advisory rows15Arsenic, SeleniumArsenic, Selenium: 13 advisory rows13Mercury, PCB, ArsenicMercury, PCB, Arsenic: 13 advisory rows13Mercury, Dioxins/FuransMercury, Dioxins/Furans: 9 advisory rows9Dioxins/Furans, PCBDioxins/Furans, PCB: 7 advisory rows7Dioxins/Furans, PCB, PFASDioxins/Furans, PCB, PFAS: 6 advisory rows6PFAS, SeleniumPFAS, Selenium: 6 advisory rows6Mercury, Arsenic, SeleniumMercury, Arsenic, Selenium: 5 advisory rows5PFAS, PCBPFAS, PCB: 5 advisory rows5Dioxins/Furans, Mercury, PFASDioxins/Furans, Mercury, PFAS: 5 advisory rows5PCB, MercuryPCB, Mercury: 5 advisory rows5Dioxins/Furans, Mercury, PCBDioxins/Furans, Mercury, PCB: 5 advisory rows5Mercury, Selenium, ArsenicMercury, Selenium, Arsenic: 4 advisory rows4Mercury, PFAS, SeleniumMercury, PFAS, Selenium: 4 advisory rows4Arsenic, Mercury, PFAS, SeleniumArsenic, Mercury, PFAS, Selenium: 4 advisory rows4Dioxins/Furans, MercuryDioxins/Furans, Mercury: 4 advisory rows4PCB, ArsenicPCB, Arsenic: 3 advisory rows3PCB, Selenium, ArsenicPCB, Selenium, Arsenic: 2 advisory rows2Arsenic, Mercury, PCB, PFAS, SeleniumArsenic, Mercury, PCB, PFAS, Selenium: 2 advisory rows2PCB, Mercury, PFASPCB, Mercury, PFAS: 1 advisory rows1Mercury, PCB, Selenium, ArsenicMercury, PCB, Selenium, Arsenic: 1 advisory rows1PCB, Dioxins/FuransPCB, Dioxins/Furans: 1 advisory rows1Mercury, PCB, Dioxins/FuransMercury, PCB, Dioxins/Furans: 1 advisory rows1Arsenic, Mercury, PCB, PFASArsenic, Mercury, PCB, PFAS: 1 advisory rows1Arsenic, ChromiumArsenic, Chromium: 1 advisory rows1Source: Guide to Eating Ontario Fish advisory database, Ontario.

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Source: Ontario — Guide to Eating Ontario Fish: Advisory Database.

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About this record

Which Ontario lakes and rivers carry a fish consumption advisory, for which species, and which contaminant the advisory is recorded against. The guide that publishes the meal advice is linked on every page.

Source: Ontario — Guide to Eating Ontario Fish: Advisory Database — Open Government Licence – Ontario. Data refreshes as published. Every page links the row it came from.

What this site is not. It is a copy of an official record. It is not a judgement about any business, building or person, and it is not advice. If the record is wrong, the source above is where it is corrected.