About this river
South Fork Chester Creek is a 2.7 mile stream near Expeditions Alaska in Alaska. Streamflow is measured at the USGS gauge Chester C at Arctic Boulevard at Anchorage AK (site 15275100). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1966 to 2026
South Fork Chester Creek typically runs highest in September, at a median 28 cfs, and lowest in February, at 13 cfs. The highest flow on record for any single day is 345 cfs, in 1989.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 14 | 10 to 18 | |
| February | 13 | 9.3 to 17 | |
| March | 14 | 10 to 17 | |
| April | 25 | 19 to 34 | |
| May | 23 | 18 to 30 | |
| June | 23 | 18 to 30 | |
| July | 23 | 18 to 31 | |
| August | 25 | 19 to 33 | |
| September | 28 | 20 to 40 | |
| October | 27 | 20 to 37 | |
| November | 17 | 15 to 25 | |
| December | 16 | 12 to 20 |
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 49 years of record. Statistics published by the US Geological Survey for Chester C at Arctic Boulevard at Anchorage AK (site 15275100). 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 South Fork Chester Creek'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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