| Business | Phone |
| Air Quality Div 1200 N St, Lincoln 68508 | (402) 471-2189 |
| Water Quality Div 1200 N St, Lincoln 68508 | (402) 471-2186 |
| Groundwater Division 1200 N St, Lincoln 68508 | (402) 471-0096 |
| Hazardous Waste Div 1200 N St, Lincoln 68508 | (402) 471-4217 |
| Natural Resources Dept 301 Centennial Mall S, Lincoln 68508 | (402) 471-2363 |
| Surface Water Div 1200 N St, Lincoln 68508 | (402) 471-4700 |
| Waste Recovery Div 1200 N St, Lincoln 68508 | (402) 471-4210 |