Upper St. Johns HUC8 03080101
A 10,228 km² sub-basin of the South Atlantic-Gulf region in FL. 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
70
Moderate
Drought index
134
Moderate
Area in D2+
14.86%
0% exceptional (D4)
Gauges below normal
20%
of 25 reporting
Median flow
79%
p38 of record
Water assets
4,311
201 springs · 2,021 wells
USGS gauges (29)
- GEE CREEK NEAR LONGWOOD, FL0223440011 cfsp17 · below normal
- SOLDIER CREEK NEAR LONGWOOD, FL022343847 cfsp20 · below normal
- FT DRUM CREEK AT SUNSHINE ST PKY NEAR FT DRUM, FL0223134219 cfsp21 · below normal
- BLACKWATER CREEK NEAR CASSIA, FL0223520018 cfsp23 · below normal
- ST. JOHNS RIVER AT ASTOR, FL022361252,270 cfsp25 · below normal
- SILVER GLEN SPRINGS NEAR ASTOR, FL0223616081 cfsp33 · normal
- JANE GREEN CREEK NEAR DEER PARK, FL02231600142 cfsp33 · normal
- LITTLE WEKIVA RIVER NEAR ALTAMONTE SPRINGS, FL0223499039 cfsp34 · normal
- HOWELL CREEK NEAR SLAVIA, FL0223432436 cfsp35 · normal
- BLUE CYPRESS CREEK NEAR FELLSMERE, FL02231396104 cfsp36 · normal
- ST. JOHNS RIVER NEAR SANFORD, FL022345002,220 cfsp37 · normal
- ST. JOHNS RIVER NEAR COCOA, FL02232400935 cfsp37 · normal
- ST. JOHNS RIVER NEAR DE LAND, FL022360002,960 cfsp38 · normal
- ST. JOHNS RIVER NEAR CHRISTMAS, FL022325001,300 cfsp40 · normal
- WEKIVA RIVER NEAR SANFORD, FL02235000304 cfsp41 · normal
- ST. JOHNS RIVER ABOVE LAKE HARNEY NEAR GENEVA, FL022340002,220 cfsp43 · normal
- HOWELL CREEK NEAR ALTAMONTE SPRINGS, FL0223430833 cfsp44 · normal
- ST. JOHNS RIVER NEAR MELBOURNE, FL02232000943 cfsp50 · normal
- LT ECONLOCKHATCHEE R AT STATE HWY434 NR OVIEDO, FL02233475251 cfsp54 · normal
- ECONLOCKHATCHEE RIVER NEAR OVIEDO, FL02233484703 cfsp55 · normal
- HOWELL CREEK AT STATE HWY 434 NEAR OVIEDO, FL02234344159 cfsp58 · normal
- TAYLOR CREEK NEAR COCOA, FL0223241512 cfsp59 · normal
- ECONLOCKHATCHEE RIVER NEAR CHULUOTA, FL02233500663 cfsp68 · normal
- WOLF CREEK NEAR DEER PARK, FL0223220049 cfsp70 · normal
- BLUE SPRINGS NEAR ORANGE CITY, FL02235500163 cfsp76 · above normal
- S-253 WEIR NEAR FORT DRUM, FL022313220 cfsno long-term record
- PENNYWASH CREEK NEAR DEER PARK, FL022321551 cfsno long-term record
- LAKE JESUP OUTLET NEAR SANFORD, FL02234435993 cfsno long-term record
- SANLANDO SPRINGS NR LONGWOOD, FL0223499125 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 134 | 14.86 | 5/25 | p38 |
Top water assets
- 66Structure 164reservoir
- 66Sanford Cooling Reservoirreservoir
- 65Control Structure 5reservoir
- 65Howell Creek At State Hwy 434 Near Oviedo, Flriver
- 65Little Wekiva River Near Altamonte Springs, Flriver
- 65St. Johns River Near Christmas, Flriver
- 65Mcarthur 1&2 Wspreservoir
- 65SWEETWATER SPRINGSspring
- 65Lake Jesup Outlet Near Sanford, Flriver
- 65Econlockhatchee River Near Oviedo, Flriver