Big Cypress Swamp HUC8 03090204
A 8,283 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
65
Moderate
Drought index
196
Moderate
Area in D2+
25.91%
0% exceptional (D4)
Gauges below normal
0%
of 7 reporting
Median flow
96%
p48 of record
Water assets
1,254
3 springs · 1,023 wells
USGS gauges (12)
- IMPERIAL RIVER NEAR BONITA SPRINGS, FL02291500160 cfsp33 · normal
- SPRING CREEK HEADWATER NEAR BONITA SPRINGS, FL0229152412 cfsp39 · normal
- NORTH BRANCH ESTERO RIVER AT ESTERO, FL022915809 cfsp40 · normal
- SOUTH BRANCH ESTERO RIVER AT ESTERO, FL0229159721 cfsp48 · normal
- BRIARCLIFF DITCH AT MOUTH NEAR ESTERO,FL0229171049 cfsp50 · normal
- TENMILE CANAL AT CONTROL NEAR ESTERO, FL02291673450 cfsp76 · above normal
- PUMPKIN RIVER NEAR GOODLAND, FL25553408132400074 cfsp92 · much above normal
- BARRON RIVER BELOW SR29-3 AT COPELAND, FL0229100118 cfsno long-term record
- SIXMILE CYPRESS CREEK NEAR FORT MYERS, FL022916690 cfsno long-term record
- EAST RIVER NEAR EVERGLADES CITY, FL255327081275900-17 cfsno long-term record
- FAKA-UNION RIVER NEAR THE MOUTH255432081303900no readingno long-term record
- BLACKWATER RIVER NEAR GOODLAND, FL255654081350200333 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 196 | 25.91 | 0/7 | p48 |
Top water assets
- 65Imperial Riverriver
- 65Tamiami Canal Number C-4river
- 65Briarcliff Ditch At Mouth Near Estero,Flriver
- 65Imperial River Near Bonita Springs, Flriver
- 65St. Road 846 Land Trust Impreservoir
- 65Ferguson Riverriver
- 65Barron River Below Sr29-3 At Copeland, Flriver
- 65Tenmile Canal At Control Near Estero, Flriver
- 65Blackwater River Near Goodland, Flriver
- 65Tamiami Canal Number C-4river