State of Conservation (SOC)

• Historic Sanctuary of Machu Picchu (1993)
  Peru
  Year: 1993
  Threats*: Management systems/ management plan,
  Other Threats: Need for an inventory of the park's natural and cultural resources
  Document Source: WHC.93/CONF.002/14
  

• Historic Sanctuary of Machu Picchu (1987)
  Peru
  Year: 1987
  Threats*: Housing, Water infrastructure, Major linear utilities, Land conversion, Management systems/ management plan,
  Other Threats: Fires
  Document Source: SC.87/CONF.005/INF.1
  

• Historic Town of Ouro Preto (2004)
  Brazil
  Year: 2004
  Threats*: Management systems/ management plan,
  Document Source: WHC-04/28.COM/15B
  

• Historic Town of Ouro Preto (1993)
  Brazil
  Year: 1993
  Threats*: Impacts of tourism/visitor/recreation, Management systems/ management plan,
  Document Source: WHC.93/CONF.002/14
  

• Historic Town of Ouro Preto (1990)
  Brazil
  Year: 1990
  Threats*: Housing, Ground transport infrastructure, Effects arising from use of transportation infrastructure, Solid waste, Avalanche/ landslide, Management systems/ management plan,
  Document Source: CC.90/CONF.004/03
  

• Historical Centre of the City of Arequipa (2012)
  Peru
  Year: 2012
  Threats*: Housing, Ground transport infrastructure, Deliberate destruction of heritage, Management systems/ management plan,
  Document Source: WHC-12/36.COM/7B.Add
  

• Historical Centre of the City of Arequipa (2011)
  Peru
  Year: 2011
  Threats*: Housing, Ground transport infrastructure, Deliberate destruction of heritage, Management systems/ management plan,
  Document Source: WHC-11/35.COM/7B
  

• Historical Centre of the City of Arequipa (2010)
  Peru
  Year: 2010
  Threats*: Housing, Ground transport infrastructure, Deliberate destruction of heritage, Management systems/ management plan,
  Document Source: WHC-10/34.COM/7B
  

• Historical Centre of the City of Arequipa (2009)
  Peru
  Year: 2009
  Threats*: Effects arising from use of transportation infrastructure, Identity, social cohesion, changes in local population and community, Deliberate destruction of heritage, Flooding, Earthquake,
  Other Threats: Material decay and abandonment of buildings, as well as the effect of heavy traffic on historic buildings
  Document Source: WHC-09/33.COM/7B,
  

• Historical Centre of the City of Arequipa (2008)
  Peru
  Year: 2008
  Threats*: Effects arising from use of transportation infrastructure, Deliberate destruction of heritage, Flooding, Earthquake, Management activities,
  Other Threats: Material decay and abandonment of buildings
  Document Source: WHC-08/32.COM/7B.Add2
  

• Historical Centre of the City of Arequipa (2007)
  Peru
  Year: 2007
  Threats*: Deliberate destruction of heritage, Flooding, Earthquake, Management activities,
  Other Threats: Material decay and abandonment of buildings
  Document Source: WHC-07/31.COM/7B
  

• Historical Centre of the City of Arequipa (2006)
  Peru
  Year: 2006
  Threats*: Major linear utilities, Deliberate destruction of heritage, Flooding, Earthquake, Management activities,
  Document Source: WHC-06/30.COM/7B
  

• Historical Centre of the City of Arequipa (2005)
  Peru
  Year: 2005
  Threats*: Deliberate destruction of heritage, Flooding, Earthquake,
  Document Source: WHC-05/29.COM/7B.Rev
  

• Historical Centre of the City of Arequipa (2004)
  Peru
  Year: 2004
  Threats*: Commercial development, Deliberate destruction of heritage, Earthquake,
  Document Source: WHC-04/28.COM/15B
  

• Huascarán National Park (1987)
  Peru
  Year: 1987
  Threats*: Major visitor accommodation and associated infrastructure, Ground transport infrastructure, Livestock farming/grazing of domesticated animals, Illegal activities, Legal framework,
  Other Threats: Fires
  Document Source: SC.87/CONF.005/INF.1
  

• Humberstone and Santa Laura Saltpeter Works (2012)
  Chile
  Year: 2012
  Threats*: Wind, Deliberate destruction of heritage, Management systems/ management plan,
  Danger List: Yes
  Other Threats: a) Extremely fragile nature of the industrial buildings that were constructed using local materials such as timber for frames, corrugated iron sheets for roofs and some walls, in addition to stucco and lightweight constructionb) Lack of maintenance over the past 40 years c) Corrosion of metal cladding and dismantlement of some of the structural elements. A few buildings such as the Leaching House are liable to structural collapse if no support is givend) Very little conservation work carried out
  Document Source: WHC-12/36.COM/7A
  

• Humberstone and Santa Laura Saltpeter Works (2011)
  Chile
  Year: 2011
  Threats*: Wind, Deliberate destruction of heritage, Management systems/ management plan,
  Danger List: Yes
  Other Threats: a) Extremely fragile nature of the industrial buildings that were constructed using local materials such as timber for frames, corrugated iron sheets for roofs and some walls, in addition to stucco and lightweight constructionb) Lack of maintenance over the past 40 years c) Corrosion of metal cladding and dismantlement of some of the structural elements. A few buildings such as the Leaching House are liable to structural collapse if no support is givend) Very little conservation work carried out
  Document Source: WHC-11/35.COM/7A
  

• Humberstone and Santa Laura Saltpeter Works (2010)
  Chile
  Year: 2010
  Threats*: Wind, Deliberate destruction of heritage, Management systems/ management plan,
  Danger List: Yes
  Other Threats: a) Extremely fragile nature of the industrial buildings that were constructed using local materials such as timber for frames, corrugated iron sheets for roofs and some walls, in addition to stucco and lightweight constructionb) Lack of maintenance over the past 40 years c) Corrosion of metal cladding and dismantlement of some of the structural elements. A few buildings, such as the Leaching house, are liable to structural collapse if no support is givend) Very little conservation work carried out
  Document Source: WHC-10/34.COM/7A.Add
  

• Humberstone and Santa Laura Saltpeter Works (2009)
  Chile
  Year: 2009
  Threats*: Wind, Deliberate destruction of heritage, Management systems/ management plan,
  Danger List: Yes
  Other Threats: a) Extremely fragile nature of the industrial buildings that were constructed using local materials such as timber for frames, corrugated iron sheets for roofs and some walls, in addition to stucco and lightweight constructionb) Lack of maintenance over the past 40 years c) Corrosion of metal cladding and dismantlement of some of the structural elements. A few buildings, such as the Leaching house, are liable to structural collapse if no support is givend) Very little conservation work carried out
  Document Source: WHC-09/33.COM/7A
  

• Humberstone and Santa Laura Saltpeter Works (2008)
  Chile
  Year: 2008
  Threats*: Wind, Deliberate destruction of heritage, Management systems/ management plan,
  Danger List: Yes
  Other Threats: a) Extremely fragile nature of the buildings that were constructed using local materials such as timber for frames, corrugated iron sheets for roofs and some walls, in addition to stucco and lightweight constructionb) Lack of maintenance over the past 40 years c) Corrosion of metal cladding and dismantlement of some of the structural elements. A few buildings, such as the Leaching house, are liable to structural collapse if no support is givend) Very little conservation work carried out
  Document Source: WHC-08/32.COM/7A.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.