USGS Streamgage 06800500
Elkhorn River at Waterloo, Nebr.
Elkhorn River at Waterloo, Nebr. is USGS streamgage 06800500, monitoring river discharge in hydrologic subbasin 10220003. It drains a watershed of about 6,900 square miles. Discharge records at this site go back to 1881. Typical flow runs near 1,001.5 cfs in July and 1,382 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 6,900 sq mi
- Gauge elevation
- 1,133 ft
- Subbasin (HUC-8)
- 10220003
- Coordinates
- 41.29333, -96.28389
- USGS site number
- 06800500
- Records begin
- 1881-01-01 (145 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 127 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 280.5 | 576.8 | 1,443.9 | |
| February | 330.4 | 869.4 | 2,747.6 | |
| March | 666.4 | 1,393.2 | 5,109.7 | |
| April | 664.2 | 1,382 | 4,488.7 | |
| May | 599.3 | 1,577.4 | 5,228.4 | |
| June | 547.9 | 1,702.3 | 6,898.7 | |
| July | 341.4 | 1,001.5 | 3,442.3 | |
| August | 224.9 | 650.4 | 2,181.9 | |
| September | 228.9 | 544 | 1,883 | |
| October | 291.4 | 564.3 | 1,964.8 | |
| November | 340.5 | 676.9 | 1,860.3 | |
| December | 295.2 | 635.8 | 1,612.9 |
All values in cubic feet per second (cfs).