State of Conservation (SOC)

• Chan Chan Archaeological Zone (2004)
  Peru
  Year: 2004
  Threats*: Crop production Housing Illegal activities Land conversion Legal framework Relative humidity Water (rain/water table)
  Danger List: Yes
  Other Threats: Increase in salt contamination of the mud-brick
  Document Source: WHC-04/28.COM/15A.Rev
  

• Chan Chan Archaeological Zone (1994)
  Peru
  Year: 1994
  Threats*: Identity, social cohesion, changes in local population and community Land conversion
  Danger List: Yes
  Other Threats: Fragility of the abdobe structures
  Document Source: WHC.94/CONF.003/06
  

• Chan Chan Archaeological Zone (1993)
  Peru
  Year: 1993
  Threats*: Identity, social cohesion, changes in local population and community Land conversion
  Danger List: Yes
  Other Threats: Continuous research on adobe structures conservation is necessary
  Document Source: WHC.93/CONF.002/14
  

• Chavin (Archaeological Site) (2009)
  Peru
  Year: 2009
  Threats*: Erosion and siltation/ deposition Management systems/ management plan Micro-organisms Relative humidity Temperature Wind
  Document Source: WHC-09/33.COM/7B
  

• Chavin (Archaeological Site) (2007)
  Peru
  Year: 2007
  Threats*: Erosion and siltation/ deposition Management systems/ management plan Micro-organisms Temperature Water (rain/water table) Wind
  Other Threats: destabilisation of one of the main structures
  Document Source: WHC-07/31.COM/7B
  

• Chavin (Archaeological Site) (2006)
  Peru
  Year: 2006
  Threats*: Erosion and siltation/ deposition Management systems/ management plan Temperature Water (rain/water table) Wind
  Other Threats: Growth of native vegetation (Pinkuyo), the roots of which destabilize the foundations
  Document Source: WHC-06/30.COM/7B
  

• Chavin (Archaeological Site) (2005)
  Peru
  Year: 2005
  Threats*: Erosion and siltation/ deposition Ground transport infrastructure Management systems/ management plan
  Document Source: WHC-05/29.COM/7B.Rev
  

• Chavin (Archaeological Site) (2004)
  Peru
  Year: 2004
  Threats*: Erosion and siltation/ deposition Ground transport infrastructure Management systems/ management plan Micro-organisms Water (rain/water table)
  Document Source: WHC-04/28.COM/15B
  

• Chavin (Archaeological Site) (1993)
  Peru
  Year: 1993
  Threats*: Financial resources Human resources Management systems/ management plan
  Other Threats: Deterioration of the site
  Document Source: WHC.93/CONF.002/14
  

• Churches of Chiloé (2013)
  Chile
  Year: 2013
  Threats*: Commercial development
  Document Source: WHC-13/37.COM/7B
  

• Churches of Chiloé (2004)
  Chile
  Year: 2004
  Threats*: Storms Water (rain/water table)
  Document Source: WHC-04/28.COM/15B
  

• City of Cuzco (2013)
  Peru
  Year: 2013
  Threats*: Commercial development Management systems/ management plan
  Document Source: WHC-13/37.COM/7B.Add
  

• City of Cuzco (2011)
  Peru
  Year: 2011
  Threats*: Commercial development Effects arising from use of transportation infrastructure Major visitor accommodation and associated infrastructure Management systems/ management plan
  Document Source: WHC-11/35.COM/7B.Add
  

• City of Cuzco (2010)
  Peru
  Year: 2010
  Threats*: Effects arising from use of transportation infrastructure Management systems/ management plan
  Document Source: WHC-10/34.COM/7B.Add
  

• City of Cuzco (2005)
  Peru
  Year: 2005
  Threats*: Effects arising from use of transportation infrastructure Management systems/ management plan
  Other Threats: a) Lack of maintenance of historic buildings; b) Use of reinforced concrete in the centre of town
  Document Source: WHC-05/29.COM/7B.Rev
  

• City of Cuzco (2004)
  Peru
  Year: 2004
  Threats*: Effects arising from use of transportation infrastructure Financial resources Human resources Impacts of tourism/visitor/recreation Input of excess energy Land conversion Legal framework Management systems/ management plan Society's valuing of heritage Water (rain/water table)
  Other Threats: Deliberate neglect of historic properties
  Document Source: WHC-04/28.COM/15B
  

• City of Cuzco (1993)
  Peru
  Year: 1993
  Threats*: Housing Management systems/ management plan
  Document Source: WHC.93/CONF.002/14
  

• City of Potosí (2013)
  Bolivia (Plurinational State of)
  Year: 2013
  Threats*: Management systems/ management plan Mining Surface water pollution
  Other Threats: Instability and risk of collapse of the Cerro Rico; Deficiencies in conservation: special attention required for the restoration and upgrading of structures with residential use and the archaeological industrial heritage
  Document Source: WHC-13/37.COM/7B.Add
  

• City of Potosí (2012)
  Bolivia (Plurinational State of)
  Year: 2012
  Threats*: Management systems/ management plan Mining Surface water pollution
  Other Threats: Instability and risk of collapse of the Cerro Rico; Deficiencies in conservation: special attention required for the restoration and upgrading of structures with residential use and the archaeological industrial heritage
  Document Source: WHC-12/36.COM/7B.Add
  

• City of Potosí (2011)
  Bolivia (Plurinational State of)
  Year: 2011
  Threats*: Legal framework Management systems/ management plan Mining Surface water pollution
  Document Source: WHC-11/35.COM/7B.Add
  

* : 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.