Russian HUC8 18010110
A 3,846 km² sub-basin of the California region in CA. 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
36
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
36%
of 25 reporting
Median flow
88%
p32 of record
Water assets
2,897
32 springs · 790 wells
USGS gauges (26)
- EF RUSSIAN R NR CALPELLA CA1146150018 cfsp6 · much below normal
- COPELAND C A ROHNERT PARK CA114656600 cfsp10 · below normal
- COLGAN C NR SANTA ROSA CA114656900 cfsp10 · below normal
- COLGAN C NR SEBASTOPOL CA114657000 cfsp10 · below normal
- MATANZAS C A SANTA ROSA CA114661700 cfsp10 · below normal
- DRY C BLW LAMBERT BR NR GEYSERVILLE CA1146524090 cfsp15 · below normal
- SANTA ROSA C A WILLOWSIDE RD NR SANTA ROSA CA114663201 cfsp16 · below normal
- BIG SULPHUR C A G RESORT NR CLOVERDALE CA114631701 cfsp18 · below normal
- BIG SULPHUR C NR CLOVERDALE CA114632003 cfsp24 · below normal
- SANTA ROSA C A SANTA ROSA CA114662000 cfsp25 · normal
- AUSTIN C NR CAZADERO CA114672001 cfsp27 · normal
- RUSSIAN R A HACIENDA BRIDGE NR GUERNEVILLE CA11467000169 cfsp31 · normal
- MARK WEST C NR MIRABEL HEIGHTS CA114668001 cfsp32 · normal
- LAGUNA DE SANTA ROSA C NR SEBASTOPOL CA114657500 cfsp34 · normal
- LAGUNA DE SANTA ROSA A STONY PT RD NR COTATI CA114656800 cfsp39 · normal
- RUSSIAN R NR HEALDSBURG CA11464000175 cfsp45 · normal
- RUSSIAN R A JIMTOWN CA11463682149 cfsp47 · normal
- RUSSIAN R NR CLOVERDALE CA11463000194 cfsp48 · normal
- RUSSIAN R NR WINDSOR CA11465390254 cfsp50 · normal
- MAACAMA C NR KELLOGG CA114639001 cfsp51 · normal
- DRY C NR MOUTH NR HEALDSBURG CA1146535089 cfsp51 · normal
- RUSSIAN R A DIGGER BEND NR HEALDSBURG CA11463980170 cfsp57 · normal
- RUSSIAN R NR HOPLAND CA11462500211 cfsp59 · normal
- RUSSIAN R NR TALMAGE CA11462080193 cfsp74 · normal
- RUSSIAN R A GEYSERVILLE CA11463500164 cfsp76 · above normal
- BRUSH C A SANTA ROSA CA114660653 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-20 | 36 | 0 | 9/25 | p32 |
| 2026-10-19 | 36 | 0 | 11/25 | p31 |
| 2026-10-18 | 36 | 0 | 10/25 | p31 |
| 2026-10-17 | 36 | 0 | 9/25 | p31 |
| 2026-10-16 | 36 | 0 | 9/25 | p33 |
| 2026-10-15 | 36 | 0 | 10/25 | p36 |
| 2026-10-14 | 36 | 0 | 9/25 | p38 |
| 2026-10-13 | 36 | 0 | 9/25 | p39 |
| 2026-10-12 | 36 | 0 | 9/25 | p38 |
| 2026-10-11 | 36 | 0 | 9/25 | p41 |
| 2026-10-10 | 36 | 0 | 8/25 | p37 |
| 2026-10-09 | 36 | 0 | 9/25 | p37 |
| 2026-10-08 | 36 | 0 | 10/25 | p38 |
| 2026-10-07 | 36 | 0 | 9/25 | p39 |
Top water assets
- 67Jakes Creekriver
- 67McClure Creekriver
- 67McClure Creekriver
- 67Little Sulphur Creekriver
- 67McClure Creekriver
- 67McClure Creekriver
- 67Warm Springs Damreservoir
- 67Coyote Valley Damreservoir
- 67Jakes Creekriver
- 67Big Sulphur Creekriver