| Abbreviation | Definition |
|---|---|
| PWA | Palestinian Waste Area |
| PWB | Pawtucket Water Supply Board |
| PWEC | Phillips Warf Environmental Center |
| PWEC | Phillips Wharf Environmental Center |
| PWI | Planet Water Impact |
| PWP | Permanent Wetlands Preserve |
| PWP | Philippine Water Partnership |
| PWQO | Provincial Water Quality Objective |
| PWRF | Plastic Waste Recycling Fund |
| PWW | Personal WasteWater |
| PWWDB | Potable Waste Water Departments of Bangladesh |
| PWWDB | Potable & Waste Water Departments of Bangladesh |
| PYW | Profile of Your Waste |
| QAP | Quarantine Approved Premises |
| QEA | Quantitative Environmental Analysis |
| QEC | Quality Environmental Containers |
| QEC | Quality Environmental Education |
| QEHS | Quality Environmental Health and Safety |
| QEHS | Quality Environmental Health Safety |
| QEL | Quatrosense Environmental Ltd |