Our Track Record
Project Portfolio
25+ wastewater treatment projects delivered across Pakistan since 2015 — spanning sugar mills, textile units, food processing, housing societies, and municipal installations.
Completed
Industrial
Industrial process wastewater treatment for Engro Fertilizers manufacturing facility, Daharki, Sindh. Environmental compliance and effluent management.
Completed
Sugar & Distillery
2,500 m³/day UASB reactor with biogas recovery for high-strength distillery effluent. COD reduction >80%. Biogas used for factory heating.
Completed
Sugar & Distillery
1,800 m³/day UASB + HSSF constructed wetlands for distillery vinasse. Zero-chemical polishing. Treated water reused for plantation irrigation.
Completed
Textile
1,200 m³/day CAV-DAF pre-treatment and SBR biological system for composite textile dyeing and printing effluent. Colour removal >75%. NEQS compliant.
Completed
Textile
800 m³/day DAF primary + SBR for garment washing and dyeing effluent. Automated PLC operation. Serving 3-shift production schedule.
Completed
Food & Beverage
600 m³/day SAF primary treatment and SBR biological system for dairy processing effluent. Automated operation with online monitoring.
Completed
Industrial
900 m³/day DAF + SBR for edible oil refinery effluent. High FOG removal. Treated water discharged to municipal sewer.
Completed
Housing
500 m³/day underground MBR system for a gated housing society. Treated water reused for landscaping. Zero odour, ground-level park above.
Completed
Housing
350 m³/day SBR system for a private housing society, Islamabad. EPA approved design. NEQS compliant effluent.
Completed
Municipal
ABR pre-treatment and HSSF constructed wetlands for a rural town STP. Zero energy. Community-managed. Treated water used for tree plantation.
Critical GREEN has delivered community-based WASH and environmental initiatives across Pakistan — decentralised and household-level wastewater treatment, sanitation infrastructure and nature-based solutions implemented through development-sector programmes.
RusFAD / UNICEF
Community WASH intervention — decentralised wastewater treatment and sanitation.
RusFAD / UNICEF
Community sanitation and decentralised wastewater management project.
RusFAD / UNICEF
Community WASH — decentralised wastewater treatment and environmental improvement.
RusFAD / UNICEF
Community wastewater treatment and sanitation project.
RusFAD / UNICEF
Decentralised community sanitation and environmental improvement.
RusFAD / UNICEF
Community-level WASH and wastewater treatment project.
RusFAD / UNICEF
Decentralised sanitation and wastewater treatment in Balochistan.
RusFAD / UNICEF
Featured
Forty household-scale constructed wetland units providing decentralised wastewater treatment and environmental improvement for rural households in AJK.
RusFAD / UNICEF
Community WASH intervention — household-level wastewater treatment, KPK.
RusFAD / UNICEF
Community wastewater treatment and sanitation project, Peshawar.
RusFAD / UNICEF
Community environmental improvement and WASH project.
RusFAD / UNICEF
Community wastewater treatment and sanitation intervention (2011).
Plan International
Community WASH and environmental improvement project (2011). Programme Partner: Plan International.
UNDP
Community sanitation and environmental improvement project (2011). Programme Partner: UNDP.
Tell us about your project — industry, flow rate, and compliance requirements. We will prepare a free technical and commercial proposal within 48 hours.