Upper Marais Des Cygnes HUC8 10290101
A 5,637 km² sub-basin of the Missouri region in KS. 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
80
Healthy
Drought index
10
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
11%
of 9 reporting
Median flow
228%
p82 of record
Water assets
2,326
0 springs · 348 wells
USGS gauges (9)
- SALT C AT LYNDON, KS069114900 cfsp18 · below normal
- POTTAWATOMIE C AT LANE, KS069145001 cfsp35 · normal
- POTTAWATOMIE C NR GARNETT, KS069140003 cfsp52 · normal
- MARAIS DES CYGNES R NR OTTAWA, KS06913500105 cfsp72 · normal
- MARAIS DES CYGNES R NR READING, KS0691080010 cfsp82 · above normal
- MARAIS DES CYGNES R NR POMONA, KS06913000115 cfsp82 · above normal
- HUNDRED AND TEN MILE C NR QUENEMO, KS0691250035 cfsp83 · above normal
- MARAIS DES CYGNES R AT MELVERN, KS0691100061 cfsp86 · above normal
- DRAGOON C NR BURLINGAME, KS069119009 cfsp93 · much above normal
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 10 | 0 | 1/9 | p82 |
Top water assets
- 66Dd No G-3 (Merrill)reservoir
- 66Dd No 7-22reservoir
- 66Dd No 7-26reservoir
- 66Unnamed Damreservoir
- 66Lyon County State Fishing Lakereservoir
- 66Frd No 19reservoir
- 66Unnamed Damreservoir
- 66Dd No B-7reservoir
- 66Unnamed Damreservoir
- 66Osage State Fishing Lakereservoir