Lower St. Johns HUC8 03080103
A 7,347 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
59
Moderate
Drought index
255
Severe
Area in D2+
55.97%
0% exceptional (D4)
Gauges below normal
18%
of 11 reporting
Median flow
197%
p77 of record
Water assets
2,836
38 springs · 1,249 wells
USGS gauges (17)
- SOUTH FORK BLACK CREEK NEAR PENNEY FARMS, FL0224550044 cfsp16 · below normal
- NORTH FORK BLACK CREEK NEAR MIDDLEBURG, FL0224600063 cfsp23 · below normal
- DEEP CREEK AT SPUDS, FL0224526048 cfsp44 · normal
- DURBIN CREEK NEAR FRUIT COVE, FL02246200258 cfsp46 · normal
- ORTEGA RIVER AT KIRWIN ROAD NEAR JACKSONVILLE,FL0224631846 cfsp51 · normal
- DUNNS CREEK NEAR SATSUMA, FL022444401,160 cfsp77 · above normal
- ST. JOHNS R AT BUFFALO BLUFF NEAR SATSUMA, FL0224404013,600 cfsp84 · above normal
- POTTSBURG CREEK NR SOUTH JACKSONVILLE, FLA.0224651534 cfsp84 · above normal
- TROUT R NR JACKSONVILLE FLA02246621666 cfsp91 · much above normal
- CLAPBOARD CREEK NR JACKSONVILLE, FL02246825736 cfsp96 · much above normal
- CEDAR RIVER AT SAN JUAN AVENUE AT JACKSONVILLE, FL02246459566 cfsp97 · much above normal
- HAW CREEK AB RUSSELLS LANDING NR ST JOHNS PARK FL02244333113 cfsno long-term record
- JULINGTON CRK AT OLD ST AUGUST RD NR BAYARD, FL02246160-48 cfsno long-term record
- ST. JOHNS RIVER AT JACKSONVILLE, FL02246500no readingno long-term record
- POTTSBURG CRK AT US90 NR S. JACKSONVILLE, FL02246518-163 cfsno long-term record
- BROWARD RIVER BL BISCAYNE BLVD NR JACKSONVILLE, FL02246751490 cfsno long-term record
- DUNN CREEK AT DUNN CREEK RD NR EASTPORT, FL02246804-478 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 255 | 55.97 | 2/11 | p77 |
Top water assets
- 66Lake Asbury Damreservoir
- 65Ortega River At Kirwin Road Near Jacksonville,Flriver
- 65North Fork Black Creek Near Middleburg, Flriver
- 65Ketter Causeway Damreservoir
- 65Asso.Minerals (Usa) Ltd. Damreservoir
- 65South Fork Black Creek Near Penney Farms, Flriver
- 65Pablo Creekriver
- 65Gibbs Avenue Damreservoir
- 65Haw Creek Ab Russells Landing Nr St Johns Park Flriver
- 65Bull Creekriver