Middle Niobrara HUC8 10150004
A 9,809 km² sub-basin of the Missouri region in NE, SD. 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
72
Moderate
Drought index
152
Moderate
Area in D2+
4.27%
0% exceptional (D4)
Gauges below normal
0%
of 3 reporting
Median flow
108%
p63 of record
Water assets
2,448
2 springs · 1,075 wells
USGS gauges (3)
- Niobrara River near Sparks, Nebr.06461500506 cfsp36 · normal
- Long Pine Creek near Riverview, Nebr.06463500185 cfsp63 · normal
- Niobrara River at Mariaville, Nebr.064637201,290 cfsp76 · above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 152 | 4.27 | 0/3 | p63 |
Top water assets
- 76Robert Tinantwell
- 76David Danielskiwell
- 76Lawrence Markuswell
- 76John L Markuswell
- 76Vernon A & Rita R Ortmeier Trustwell
- 76Conrad Schelhaaswell
- 76NE Well G-002656well
- 76Clyde E Brewerwell
- 76Danielski Harvesting & Farmingwell
- 76Clyde E Brewerwell