About this river
Government Wash is a 2.6 mile stream near Lake Las Vegas Water Sports in Nevada. Streamflow is measured at the USGS gauge LV Wash below Lake Las Vegas near Boulder City, NV (site 09419800). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1969 to 2026
Government Wash typically runs highest in February, at a median 293 cfs, and lowest in June, at 252 cfs. The highest flow on record for any single day is 2,830 cfs, in 2013.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 292 | 98 to 316 | |
| February | 293 | 100 to 320 | |
| March | 283 | 97 to 317 | |
| April | 271 | 85 to 299 | |
| May | 255 | 85 to 291 | |
| June | 252 | 80 to 290 | |
| July | 259 | 84 to 300 | |
| August | 265 | 88 to 305 | |
| September | 262 | 89 to 305 | |
| October | 278 | 94 to 309 | |
| November | 286 | 91 to 312 | |
| December | 289 | 94 to 316 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 39 years of record. Statistics published by the US Geological Survey for LV Wash below Lake Las Vegas near Boulder City, NV (site 09419800). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Government Wash's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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