22 May, 2025 @ 16:15
1 min read

Costa Blanca city has sewers blasted with pesticide to stop cockroach explosion

Sewers get treated to stop cockroach population doubling in Costa Blanca city

ORIHUELA has launched its summer campaign to combat the increase of pests in sewers- especially cockroaches

The warmer weather brings unwelcome visitors as the pest population thrives in higher temperatures.

The first phase of work is being executed by specialist firm Lokimica on behalf of Orihuela’s health department.

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ORIHUELA SEWER TREATMENT

Spraying is initially being done in Orihuela City and surrounding districts and is expected to finish in mid-June.

Teams will then carry out the same operation on the Orihuela Costa.

Orihuela’s health councillor, Irene Celdran, said: “Prevention is a priority to avoid major problems when the heat arrives, and that is why we are doing advance work throughout the sewerage network.”

“Our objective is to protect public health and guarantee the well-being of the residents of Orihuela,” she added.

Celdran also appealed for residents to report any pest issues to the council so that it can ‘act as quickly as possible’.

An increase in temperature sees the reproductive cycle of species such as the American cockroach (Periplaneta Americana) accelerate considerably, and it can double its population in just a month if preventative action is not taken in time.

In addition to causing inconvenience, cockroaches can spread salmonella or dysentery, by contaminating surfaces with pathogenic microorganisms.

According to council figures, 70% of incidents of urban pests in summer are related to cockroaches, especially in sewerage areas and home connections.

During last summer, Orihuela council said advance treatments made it possible to reduce the incidents recorded by more than 40% compared to the previous year.

Irene Celdran added: “In addition to the summer, periodic work is carried out, as well as specific responses if incidents are reported by residents.”

Alex Trelinski

Alex worked for 30 years for the BBC as a presenter, producer and manager. He covered a variety of areas specialising in sport, news and politics. After moving to the Costa Blanca over a decade ago, he edited a newspaper for 5 years and worked on local radio.

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