Lakes carrying historical and archaeological significance in the district have been shrinking due to utter negligence of the authorities concerned.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kavilvastu-lakes-await-conservation-efforts
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/kathmandu-post-nepal
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/lakes
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nepal
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kapilvastu
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-encroachments
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia