Around here
Around Greenwater River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Greenwater River is a 22.2 mile river. Streamflow is measured at the USGS gauge Greenwater River at Greenwater, WA (site 12097500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1929 to 2026
Greenwater River typically runs highest in May, at a median 396 cfs, and lowest in September, at 44 cfs. The highest flow on record for any single day is 5,510 cfs, in 2020.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 188 | 122 to 319 |
| February | 172 | 115 to 262 |
| March | 163 | 121 to 241 |
| April | 258 | 184 to 336 |
| May | 396 | 294 to 537 |
| June | 301 | 209 to 455 |
| July | 108 | 80 to 154 |
| August | 56 | 45 to 68 |
| September | 44 | 37 to 55 |
| October | 47 | 36 to 61 |
| November | 111 | 63 to 199 |
| December | 170 | 103 to 287 |
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 85 years of record. Statistics published by the US Geological Survey for Greenwater River at Greenwater, WA (site 12097500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Greenwater River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Greenwater River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
