East Fork San Jacinto HUC8 12040103
A 2,577 km² sub-basin of the Texas-Gulf region in TX. 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
66
Moderate
Drought index
156
Moderate
Area in D2+
0%
0% exceptional (D4)
Gauges below normal
0%
of 4 reporting
Median flow
612%
p92 of record
Water assets
553
11 springs · 209 wells
USGS gauges (6)
- E Fk San Jacinto Rv nr Cleveland, TX0807000034 cfsp69 · normal
- Caney Ck nr Splendora, TX0807050060 cfsp89 · above normal
- E Fk San Jacinto Rv nr New Caney, TX08070200253 cfsp95 · much above normal
- Peach Ck at Splendora, TX08071000176 cfsp96 · much above normal
- E Fk San Jacinto Rv at SH 150 nr Coldspring, TX0806980020 cfsno long-term record
- Luce Bayou at SH-99 nr Huffman, TX0807125061 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-09-07 | 156 | 0 | 0/4 | p92 |
Top water assets
- 66Dunwoody Lake Damreservoir
- 66Moose Jaw Lake Damreservoir
- 66Royal Forest Lake Damreservoir
- 65East Fork San Jacinto Riverriver
- 65Yellow Gate Lake Damreservoir
- 65East Fork San Jacinto Riverriver
- 65Camp Creekriver
- 65Winters Bayouriver
- 65Big Buck Lake Damreservoir
- 65Luce Bayouriver