Upper Fox HUC8 07120006
A 3,999 km² sub-basin of the Upper Mississippi region in IL, WI. Drought coverage is from the US Drought Monitor (map of 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
80
Healthy
Drought index
19
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 9 reporting
Median flow
127%
p60 of record
Water assets
4,480
10 springs · 3,534 wells
USGS gauges (14)
- NIPPERSINK CREEK ABOVE WONDER LAKE, IL0554810517 cfsp51 · normal
- POPLAR CREEK AT ELGIN, IL055505004 cfsp52 · normal
- TYLER CREEK AT ELGIN, IL055503008 cfsp54 · normal
- BOONE CREEK NEAR MC HENRY, IL055490009 cfsp58 · normal
- MUKWONAGO RIVER AT MUKWONAGO, WI0554420043 cfsp60 · normal
- NIPPERSINK CREEK NEAR SPRING GROVE, IL0554828080 cfsp69 · normal
- FOX RIVER (TAILWATER) AT ALGONQUIN, IL05550001725 cfsp71 · normal
- FOX RIVER NEAR NEW MUNSTER, WI05545750487 cfsp81 · above normal
- FOX RIVER AT WAUKESHA, WI05543830125 cfsp88 · above normal
- WHITE RIVER AT CENTER STREET AT LAKE GENEVA, WI0554513450 cfsno long-term record
- FOX RIVER AT JOHNSBURG, IL05548500427 cfsno long-term record
- FLINT CREEK NEAR FOX RIVER GROVE, IL055498505 cfsno long-term record
- FOX RIVER AT ALGONQUIN, IL05550000725 cfsno long-term record
- WIND LAKE AT OUTLET AT WIND LAKE, WI4248480880831000 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 19 | 0 | 0/9 | p60 |
Top water assets
- 77Mount Simon Sandstone Fossil Aquifer — Southern Wisconsinfossil_water
- 66Lake In The Hills Dam 1reservoir
- 65Flint Creek Near Fox River Grove, Ilriver
- 65Reischlreservoir
- 65Tyler Creek At Elgin, Ilriver
- 65Black Tern Marsh Damreservoir
- 65Fox River Near New Munster, Wiriver
- 65Nippersink Creek Near Spring Grove, Ilriver
- 65Lyle Avenue Damreservoir
- 65Yellow Head Marsh Damreservoir