Sewer overflows in Nebraska
Sewer overflow record — reported spills, the worst utilities, and how often overflows reached waterways in Nebraska.
Reported events
133
Total volume
18.9M gal
Reached waterways
0(0%)
Latest event
Jun 12, 2026
Worst utilities in Nebraska
Ranked by number of reported overflow events.
| # | Utility | Events | Volume | Reached water |
|---|---|---|---|---|
| 1 | Omaha CSO Sanitary Sewer System (Papillion Creek) | 57 | 77K gal | 0 |
| 2 | Grand Island Sanitary Sewer System | 20 | 123 gal | 0 |
| 3 | Seward Sanitary Sewer System | 11 | 12K gal | 0 |
| 4 | Omaha CSO Sanitary Sewer System (Papillion Creek) | 8 | 43K gal | 0 |
| 5 | Omaha CSO Sanitary Sewer System (Missouri River) | 7 | 6K gal | 0 |
| 6 | Falls City Sanitary Sewer System | 7 | 82K gal | 0 |
| 7 | Lincoln Northeast Sanitary Sewer System | 5 | 175 gal | 0 |
| 8 | David City Sanitary Sewer System | 3 | 15.8M gal | 0 |
| 9 | McCook Sanitary Sewer System | 3 | 2.2M gal | 0 |
| 10 | St Paul Sanitary Sewer System | 2 | 150 gal | 0 |
| 11 | Nebraska City Sanitary Sewer System | 2 | 408K gal | 0 |
| 12 | Verdigre Sanitary Sewer System | 1 | 150 gal | 0 |
| 13 | West Point Sanitary Sewer System | 1 | 300K gal | 0 |
| 14 | Humboldt Sanitary Sewer System | 1 | 9K gal | 0 |
| 15 | Crete Sanitary Sewer System | 1 | 20K gal | 0 |
| 16 | York Sanitary Sewer System | 1 | 2K gal | 0 |
| 17 | Clatonia Sanitary Sewer System | 1 | 5K gal | 0 |
| 18 | Hanson's Lake-SID No 101 | 1 | 2K gal | 0 |
| 19 | Beatrice Sanitary Sewer System | 1 | 4K gal | 0 |
Biggest spills in Nebraska
The largest single reported overflow events.
- 13.5M galMay 21, 2024Reached Keysor Creek
- 2.0M galMay 21, 2024Reached Keysor Creek
- 1.2M galSep 16, 2025Reached Republican River
- 1.0M galMay 26, 2023Reached Kelley Creek
- 400K galApr 19, 2023Reached Table Creek/Missouri River
- 300K galSep 21, 2025Reached Elkhorn River
- 216K galJun 26, 2024
- 48K galMay 30, 2024
- 24K galJun 19, 2024
- 20K galJun 5, 2024