- Kiten Wastewater Treatment Plant – Primorsko-Kiten Urban Area
- Kamchia PSPV
- PSPV Yasna Polyana
- Burgas Wastewater Treatment Plant – Burgas Metropolitan Area
- Meden Rudnik Wastewater Treatment Plant – Meden Rudnik Urban Area
- Ravda Wastewater Treatment Plant – Nessebar–Sunny Beach–Ravda Urban Area
- Pomorie Wastewater Treatment Plant – Pomorie Urban Area
- Sozopol Wastewater Treatment Plant – Sozopol Urban Area
- Obzor-Byala Wastewater Treatment Plant – Obzor Urban Area
- Aytos Wastewater Treatment Plant – Aytos Urban Area
- Tsarevo Wastewater Treatment Plant – Tsarevo Urban Area
- Lozenech Wastewater Treatment Plant
- Lyulyakovo Wastewater Treatment Plant
- Vetren Wastewater Treatment Plant – Vetren Urban Area
- Gorno Ezerovo Wastewater Treatment Plant
- Sredets Wastewater Treatment Plant – Sredets Urban Area
- Veselie Wastewater Treatment Plant
- Manolich Wastewater Treatment Plant
- Marinka Wastewater Treatment Plant
- Pirne Wastewater Treatment Plant
- Rosenez Wastewater Treatment Plant 1
- Rosenez 2 Wastewater Treatment Plant
Wastewater Treatment Plants
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