About this river
Polk Swamp is a 2.6 mile river near Carolina Heritage Outfitters in South Carolina. Streamflow is measured at the USGS gauge Edisto River below Canadys, SC (site 02174055). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2022 to 2026
Polk Swamp typically runs highest in February, at a median 2,040 cfs, and lowest in October, at 915 cfs. The highest flow on record for any single day is 19,900 cfs, in 2025.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,830 | 1,270 to 2,440 | |
| February | 2,040 | 1,505 to 3,170 | |
| March | 1,960 | 1,620 to 2,760 | |
| April | 1,940 | 977 to 2,430 | |
| May | 1,230 | 946 to 2,220 | |
| June | 1,110 | 661 to 2,590 | |
| July | 1,290 | 805 to 1,900 | |
| August | 1,390 | 949 to 2,490 | |
| September | 1,085 | 698 to 1,740 | |
| October | 915 | 765 to 1,650 | |
| November | 1,100 | 854 to 2,120 | |
| December | 1,520 | 1,230 to 1,800 |
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 4 years of record. Statistics published by the US Geological Survey for Edisto River below Canadys, SC (site 02174055). 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 Polk Swamp'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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