| Acronym | Definition |
|---|
| PWSD➣Public Water Supply District (utilities) |
| PWSD➣Parker Water & Sanitation District (est. 1962; Parker, CO) |
| PWSD➣Presbyterian World Service and Development (Canada) |
| PWSD➣Park West School Division (public school system; Birtle, Manitoba, Canada) |
| PWSD➣Public Works and Services Department |
| PWSD➣Pacific White-Sided Dolphin (mammal) |
| PWSD➣Parliamentary Works Services Directorate (UK) |