Water treatment stations are designed for mechanical and biological treatment of domestic, industrial and rain waste water and for sludge stabilization.

Sites completed:
• WWTP at HAYAT Bulgaria Chemical Ltd Washing Detergents Plant „Хайат-България” – 25 m3/day, industrial waste water treatment;
• WWTP at the Lessovo Border Chekcpoint – 50 m3/day (for 250 ER);
• WWTP at the Customs Terminal Vidin - 5 m3/day (for 65 ER);
• WWTP at the Ministry of Defense Division at the Iskar Dam – 5 m3/day (for 65 ER);
• WWTP at the BlackSeaRama Golf course - 10 m3/day (for 80 ER);
• WWTP at the BlackSeaRama Golf course - 350 m3/day (for 2,000 ER);
• WWTP at the TOPOLA SKIES Golf & Spa - 100 m3/day (for 1,000 ER);
• WWTP at the Byal Bryag Aparthotel – 50 m3/day (for 300 ER);
• WWTP at the Byalata Chesma residential area – 15 m3/day (for 75 ER);
• WWTP at Tremex – 5 m3/day (for 35 ER);
• WWTP at Printcom – 5 m3/day (for 20 ER);
• WWTP at the Guest House of Kyulevcha village – 5 m3/day (for 22 ER);
• WWTP at Beach restaurants and bars at the Kabakum Beach, Varna for 18 ER.;
• WWTP at the Hunter’s Lodge in the village of Abrit – Land Plot No. 053003, quarter. 53, the Krishari Municipality for 50 ER;
• Design and construction of the Closed Water Cycle Carwash – at the Training Center of the Novo Selo Military Base, the village of Mokren
• 21 different WWTP for single family house and small hotels in the range of 6 to 30 ER.;