Lower Pearl HUC8 03180004
A 4,714 km² sub-basin of the South Atlantic-Gulf region in LA, MS. 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
56
Moderate
Drought index
122
Moderate
Area in D2+
0.05%
0% exceptional (D4)
Gauges below normal
75%
of 4 reporting
Median flow
69%
p18 of record
Water assets
4,326
6 springs · 3,156 wells
USGS gauges (8)
- PEARL RIVER NR COLUMBIA, MS02489000915 cfsp10 · much below normal
- WEST HOBOLOCHITTO CREEK NR MCNEILL, MS0249236019 cfsp15 · below normal
- Pearl River near Bogalusa, LA024895001,520 cfsp20 · below normal
- EAST HOBOLOCHITTO CREEK NR CAESAR, MS0249234314 cfsp45 · normal
- EAST PEARL RIVER AB WILSON SL AT WALKIAH BLUFF, MS024921109,410 cfsno long-term record
- WILSON SLOUGH NEAR WALKIAH BLUFF, MS024921117,920 cfsno long-term record
- Pearl River at I-10 near Slidell, LA024927002,650 cfsno long-term record
- EAST PEARL RIVER AT CSX RAILROAD NR CLAIBORNE, MS30114108932030010,800 cfsno long-term record
Recent conditions
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-21 | 122 | 0.05 | 3/4 | p18 |
| 2026-10-20 | 122 | 0.05 | 3/4 | p17 |
| 2026-10-19 | 122 | 0.05 | 3/4 | p17 |
| 2026-10-18 | 122 | 0.05 | 3/4 | p17 |
| 2026-10-17 | 122 | 0.05 | 3/4 | p17 |
| 2026-10-16 | 122 | 0.05 | 3/4 | p18 |
| 2026-10-15 | 136 | 8.03 | 3/4 | p21 |
| 2026-10-14 | 136 | 8.03 | 3/4 | p19 |
| 2026-10-13 | 136 | 8.03 | 3/4 | p18 |
| 2026-10-12 | 136 | 8.03 | 3/4 | p19 |
| 2026-10-11 | 136 | 8.03 | 3/4 | p22 |
| 2026-10-10 | 136 | 8.03 | 3/4 | p21 |
| 2026-10-09 | 136 | 8.03 | 3/4 | p22 |
| 2026-10-08 | 169 | 8.12 | 1/4 | p29 |
Top water assets
- 66Hide-A-Way Lake Damreservoir
- 66Pleasant Valley No 1reservoir
- 66Albritton Lake Damreservoir
- 66Big Bay Lake Damreservoir
- 65Morgan Branchriver
- 65Wilson Slough Near Walkiah Bluff, Msriver
- 65Thurmans Pondreservoir
- 65Pearl Riverriver
- 65Pleasant Valley No 3reservoir
- 65East Hobolochitto Creek Nr Caesar, Msriver