MCWRA
| Acronym | Definition |
|---|---|
| MCWRA | Monterey County Water Resources Agency |
| MCWRA | Missouri Civil War Reenactors' Association (est. 1985; St. Charles, MO) |
| MCWRA | Mountain Counties Water Resources Association (Grass Valley, CA) |
| MCWRA | Monmouth County Water Resources Association (New Jersey) |