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 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
70
Moderate
Drought index
118
Moderate
Area in D2+
6.81%
0% exceptional (D4)
Gauges below normal
0%
of 9 reporting
Median flow
235%
p77 of record
Water assets
1,254
3 springs · 1,023 wells
USGS gauges (12)
- IMPERIAL RIVER NEAR BONITA SPRINGS, FL02291500152 cfsp46 · normal
- BRIARCLIFF DITCH AT MOUTH NEAR ESTERO,FL0229171020 cfsp46 · normal
- NORTH BRANCH ESTERO RIVER AT ESTERO, FL0229158013 cfsp63 · normal
- TENMILE CANAL AT CONTROL NEAR ESTERO, FL0229167393 cfsp66 · normal
- SOUTH BRANCH ESTERO RIVER AT ESTERO, FL0229159718 cfsp77 · above normal
- SPRING CREEK HEADWATER NEAR BONITA SPRINGS, FL0229152416 cfsp79 · above normal
- FAKA-UNION RIVER NEAR THE MOUTH2554320813039001,890 cfsp84 · above normal
- EAST RIVER NEAR EVERGLADES CITY, FL255327081275900269 cfsp84 · above normal
- PUMPKIN RIVER NEAR GOODLAND, FL25553408132400075 cfsp93 · much above normal
- BARRON RIVER BELOW SR29-3 AT COPELAND, FL0229100118 cfsno long-term record
- SIXMILE CYPRESS CREEK NEAR FORT MYERS, FL0229166922 cfsno long-term record
- BLACKWATER RIVER NEAR GOODLAND, FL255654081350200333 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 118 | 6.81 | 0/9 | p77 |
| 2026-10-17 | 118 | 6.81 | 1/8 | p53 |
| 2026-10-16 | 118 | 6.81 | 0/6 | p46 |
| 2026-10-15 | 118 | 6.81 | 0/6 | p35 |
| 2026-10-14 | 118 | 6.81 | 0/6 | p35 |
| 2026-10-13 | 118 | 6.81 | 0/6 | p37 |
| 2026-10-12 | 118 | 6.81 | 0/6 | p43 |
| 2026-10-11 | 118 | 6.81 | 0/6 | p42 |
| 2026-10-10 | 118 | 6.81 | 0/6 | p40 |
| 2026-10-09 | 118 | 6.81 | 0/6 | p40 |
| 2026-10-08 | 130 | 6.81 | 0/7 | p48 |
| 2026-10-07 | 130 | 6.81 | 1/7 | p39 |
| 2026-10-06 | 130 | 6.81 | 0/9 | p54 |
| 2026-10-05 | 130 | 6.81 | 0/9 | p50 |
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