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Abnormal mosquitoes growth

Symptoms

  • Mosquitoes presence



Main causes

  • Presence of stagnant water and/or dead zones in the lagoon where a abnormal common weed growth is observed



Remedial actions

  • Remove common weed

  • Use of insecticides (in this case the interruption of the incoming wastewater for 1 –2 days is needed)



Typical operational data for different lagoon are presented in table 3.6.1.



Tab. 3.6.1 Typical operational data for lagoon type



In table 3.6.2 a typical lagoon operation sheet is reported; the reporting frequency depends on the WWTP size; details on routine inspections, lubrication and adjustment, performed by the operator, should be reported as well.



Tab 3.6.2 Lagoon operation sheet

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