Skip to main content

Eastern Puerto Rico HUC8 21010005

A 3,701 km² sub-basin of the Caribbean region in PR. 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
52
Moderate
Drought index
163
Moderate
Area in D2+
17.62%
0% exceptional (D4)
Gauges below normal
83%
of 35 reporting
Median flow
36%
p9 of record
Water assets
11
2 springs · 0 wells

USGS gauges (39)

Recent conditions

DateDSCID2+ %Gauges lowFlow pct
2026-10-2116317.6229/35p9
2026-10-2016317.6222/35p17
2026-10-1916317.6225/35p13
2026-10-1816317.6225/35p9
2026-10-1716317.6226/35p8
2026-10-1616317.6229/35p9
2026-10-1518923.1126/35p13
2026-10-1418923.1124/35p18
2026-10-1318923.1119/35p23
2026-10-1218923.1114/35p37
2026-10-1118923.1116/35p33
2026-10-1018923.1124/35p16
2026-10-0918923.1119/35p20
2026-10-0821325.8814/35p44

Top water assets