Lower Heart HUC8 10130203
A 4,230 km² sub-basin of the Missouri region in ND. 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
53
Moderate
Drought index
292
Severe
Area in D2+
91.87%
0% exceptional (D4)
Gauges below normal
40%
of 5 reporting
Median flow
57%
p35 of record
Water assets
916
4 springs · 263 wells
USGS gauges (5)
- HEART RIVER AT STARK BRIDGE NEAR JUDSON, ND0634830021 cfsp10 · much below normal
- HEART RIVER NEAR MANDAN, ND0634900032 cfsp23 · below normal
- ANTELOPE CREEK NEAR CARSON, ND063470000 cfsp35 · normal
- BIG MUDDY CREEK NEAR ALMONT, ND063475002 cfsp63 · normal
- SWEETBRIAR CREEK NEAR JUDSON, ND063485001 cfsp76 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 292 | 91.87 | 2/5 | p35 |
Top water assets
- 67Sweetbriar Creekriver
- 67Hailstone Creekriver
- 67Sweetbriar Creekriver
- 67Antelope Creekriver
- 67Antelope Creekriver
- 67Sweetbriar Creekriver
- 67Antelope Creekriver
- 67Heart Butte Creekriver
- 67Antelope Creekriver
- 67Antelope Creekriver