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 2026-09-01); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
Health score
75
Healthy
Drought index
28
Abnormally dry
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
43%
of 21 reporting
Median flow
95%
p43 of record
Water assets
2,897
32 springs · 790 wells
USGS gauges (25)
- COLGAN C NR SEBASTOPOL CA114657000 cfsp10 · below normal
- RUSSIAN R NR HOPLAND CA11462500116 cfsp10 · below normal
- RUSSIAN R NR CLOVERDALE CA11463000118 cfsp11 · below normal
- DRY C BLW LAMBERT BR NR GEYSERVILLE CA1146524092 cfsp16 · below normal
- RUSSIAN R NR HEALDSBURG CA11464000110 cfsp17 · below normal
- EF RUSSIAN R NR CALPELLA CA1146150061 cfsp18 · below normal
- RUSSIAN R A HACIENDA BRIDGE NR GUERNEVILLE CA11467000117 cfsp19 · below normal
- RUSSIAN R NR TALMAGE CA11462080115 cfsp23 · below normal
- RUSSIAN R A DIGGER BEND NR HEALDSBURG CA11463980114 cfsp24 · below normal
- RUSSIAN R A JIMTOWN CA11463682114 cfsp41 · normal
- BIG SULPHUR C A G RESORT NR CLOVERDALE CA114631701 cfsp43 · normal
- RUSSIAN R NR WINDSOR CA11465390207 cfsp47 · normal
- SANTA ROSA C A WILLOWSIDE RD NR SANTA ROSA CA114663201 cfsp48 · normal
- RUSSIAN R A GEYSERVILLE CA1146350097 cfsp49 · normal
- LAGUNA DE SANTA ROSA C NR SEBASTOPOL CA114657500 cfsp51 · normal
- DRY C NR MOUTH NR HEALDSBURG CA1146535092 cfsp55 · normal
- BIG SULPHUR C NR CLOVERDALE CA114632004 cfsp62 · normal
- AUSTIN C NR CAZADERO CA114672002 cfsp70 · normal
- LAGUNA DE SANTA ROSA A STONY PT RD NR COTATI CA114656800 cfsp72 · normal
- MAACAMA C NR KELLOGG CA114639001 cfsp76 · above normal
- MARK WEST C NR MIRABEL HEIGHTS CA114668002 cfsp80 · above normal
- COPELAND C A ROHNERT PARK CA114656602 cfsno long-term record
- COLGAN C NR SANTA ROSA CA114656901 cfsno long-term record
- MATANZAS C A SANTA ROSA CA114661703 cfsno long-term record
- SANTA ROSA C A SANTA ROSA CA1146620019 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 28 | 0 | 9/21 | p43 |
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