Chincoteague HUC8 02040303
A 2,717 km² sub-basin of the Mid-Atlantic region in DE, MD, NJ, VA. 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
75
Healthy
Drought index
16
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
33%
of 3 reporting
Median flow
68%
p31 of record
Water assets
14,088
0 springs · 12,299 wells
USGS gauges (3)
- BIRCH BRANCH AT SHOWELL, MD01484713201 cfsp18 · below normal
- MILLSBORO POND OUTLET AT MILLSBORO, DE0148452531 cfsp31 · normal
- BEAVERDAM DITCH NEAR MILLVILLE, DE014846955 cfsp81 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-22 | 16 | 0 | 1/3 | p31 |
| 2026-10-21 | 16 | 0 | 1/3 | p29 |
| 2026-10-20 | 16 | 0 | 1/3 | p32 |
| 2026-10-19 | 16 | 0 | 1/3 | p35 |
| 2026-10-18 | 16 | 0 | 0/3 | p45 |
| 2026-10-17 | 16 | 0 | 1/3 | p42 |
| 2026-10-16 | 16 | 0 | 1/3 | p31 |
| 2026-10-15 | 16 | 0 | 1/3 | p37 |
| 2026-10-14 | 16 | 0 | 0/3 | p39 |
| 2026-10-13 | 16 | 0 | 0/3 | p53 |
| 2026-10-12 | 16 | 0 | 0/3 | p68 |
| 2026-10-11 | 16 | 0 | 1/3 | p29 |
| 2026-10-10 | 16 | 0 | 0/3 | p28 |
| 2026-10-09 | 16 | 0 | 1/3 | p28 |
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