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State of Conservation

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States Parties
States Parties:  United States of America
Year:  2012
Danger List:  Yes
Document Source:  WHC-12/36.COM/7A
Threats*: Ground water pollution Housing Storms Surface water pollution Water infrastructure
Other Threats: Mercury contamination of fish and wildlife
States Parties:  United States of America
Year:  2012
Document Source:  WHC-12/36.COM/7B
Threats*: Air pollution Effects arising from use of transportation infrastructure Ground transport infrastructure Impacts of tourism / visitor / recreation Input of excess energy Invasive / alien freshwater species Management systems/ management plan Mining Surface water pollution

* : The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).

** : All mission reports are not always available electronically.