Wastewater Treatment Plant

16/09/2025

Brief History

The wastewater treatment facilities of Patmos are one of the fundamental infrastructure issues of the island, which for many years has been constantly encountering problems, resulting in it regularly going through phases of malfunctioning and even complete shutdown.

The first wastewater treatment plant on Patmos was built 30 years ago. Due to the Municipality’s inability or incompetence to manage it properly, its operation was permanently discontinued in 2022. Since then, the wastewater has been discharged untreated into the sea, in the area of Chochlakas.

Hippocampus has placed this specific issue high on its agenda and has been actively involved in relevant research, interventions and complaints, practically since its establishment.

Here you can read all the relevant publications on the subject, by Hippocampus and others, and get informed about it.

Relevant publications

(You may get more results by visiting the Greek version of this webpage)

2nd Press Release on the Wastewater Treatment Plant

Sep 12, 2025

The WWTP (Wastewater Treatment Plant) was constructed in the years 2014-19, with European funds, during the tenure of former mayor Mr. Stoikos. At the beginning of 2019, it was completed and ready to operate.In October 2019, a technical inspection was carried out by...

Press Release – Wastewater Treatment

Sep 3, 2025

Regarding the recent articles in various newspapers on the operational status of the Wastewater Treatment Plant of Patmos, Hippocampus condemns the completely false and unproven information circulated in the newspaper "Πρώτο Θέμα" regarding the mixing of drinking...

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