Aghstev river, down from Dilijan city, near border (2012)

Aghstev river, down from Dilijan city, near border

Risk Level: 1

Parameter Data Level
NO2, mgN/l water 0.037 1
NH4, mgN/l water 0.46 1

Disastrous Condition
Critical Condition
Normal Condition

Ecological State of Aghstev River Downwards Dilijan and Near Border within Standards


The ecological state of the Agstev River downwards Dilijan and near the border is within the standards. Under the annual report by “Environmental Impact Monitoring Center” SNCO for 2012, the average annual concentration of nitrite ion in these sections of the river exceeded the maximum permissible concentration by 3.7 and 2.5 times, while that of ammonium ion – 2.3 and 1.5 times. The concentration of nitrite ion in this section of the river made up 0.037 mgN/l, that of ammonium ion – 0.46 mgN/l. Under EcoLur’s Ecological Risk Model, these figures are within standards.

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Risk Analysis


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