| Abbreviation | Definition |
|---|---|
| LUST | Leaking Underground Storage Tank |
| LUZ | Large Urban Zone |
| LVEC | Laboratory of Vegetation and Environmental Change |
| LWD | Liquid Waste Disposal |
| LWDF | Liquid Waste Disposal Facility |
| LWDO | Liquid Waste Disposal Operations |
| LWDU | Liquid Waste Disposal Unit |
| LWEC | Living With Environmental Change |
| LWGI | Lake Washington Basin Ecosystem Restoration General Investigation |
| LWGT | Liberty Water Gap Trail |
| LWLM | Lake Watch of Lake Martin (Alexander City, AL) |
| LWMC | Local Watershed Management Committee |
| LWP | Lightweight Water Purifier |
| LWPI | Landfill Water Pollution Index |
| LWPN | Kedah |
| LWR | Livestock Water Recycling |
| LWT | Liquid Waste Treatment |
| M&M | Mitigation and Monitoring |
| MACC | Multiple Access Conservation Coalition |
| MACD | Montana Association of Conservation Districts |