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Spokane River: Contaminants and Health. Public Health Risks. Chemicals and Heavy Metals PCBs PBDEs Dioxins/Furans Metals Biological Hazards. 1. PCBs (Polychlorinated Biphenyls). Spokane River does not meet WA human health criteria for PCBs in edible fish tissue

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Spokane River: Contaminants and Health


Public health risks
Public Health Risks

  • Chemicals and Heavy Metals

    • PCBs

    • PBDEs

    • Dioxins/Furans

    • Metals

  • Biological Hazards


1 pcbs polychlorinated biphenyls
1. PCBs (Polychlorinated Biphenyls)

  • Spokane River does not meet WA human health criteria for PCBs in edible fish tissue

  • Sources and pathways to the Spokane River

    • City of Spokane stormwater (44%)

    • municipal and industrial discharges (20%)

    • and Little Spokane River (6%)

    • PCB loading from Idaho at the state line (30%)


2 pbdes polybrominated diphenyl ethers
2. PBDEs(Polybrominated Diphenyl Ethers)

  • Chemical additives used in everyday household products as flame retardants

  • Sources and pathways to the Spokane River

    • Can leach out of manufactured items and enter the air, soil and water

    • Has been detected in sediment, storm water, and sewage from residential and industrial sources


3 dioxins furans
3. Dioxins/Furans

  • Can be released into the air, soil, and water. Fish tissue sampling in the Spokane River showed elevated levels

  • Sources and pathways to the Spokane River

    • Byproduct of burning municipal waste, sludge, medical waste, and wood and cement kilns

    • Byproduct of manufacturing herbicides and pulp/paper products


4 metals
4. Metals

  • Lead, arsenic, cadmium and zinc are released as part of mining, milling and ore processing

  • Sources and pathways to the Spokane River

    • An estimated 100 million tons of mine wastes released in river from the Upper Coeur d’Alene Basin in Idaho.

    • Contaminants traveled downstream, moved through Lake Coeur d’Alene and deposited in the Spokane River.


Intestinal Microorganisms

Shown to cause gastroenteritis from recreational water

*reportable

  • Giardia*

  • Cryptosporidium*

  • Shigella*

  • Salmonella*

  • Hepatitis A*

  • Coxackie A and B

  • Norwalk virus

  • E.coli 0157:H7* (also Leptospirosis)


Other Microorganisms

Found in the environment which cause infections or diseases

*reportable

  • Pseudomonas aeruginosa

  • Schistosome cercarial

  • Staphylococcus sp.

  • Legionella sp.*

  • Naegleria fowleri

  • Mycobacterium sp.

  • Vibrio sp.*


Spokane River Clean Up and Restoration

Completed sites

Pending sites

Completed PCB Sites


Environmental Public Health

1101 West College Avenue, Spokane

(509) 324-1560 | TDD 324-1464

Michael LaScuola

324-1574

[email protected]

www.srhd.org


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