Lake Havasu Water Level
Behind Parker Dam. Lake Havasu is the intake for the Colorado River Aqueduct (Southern California) and the Central Arizona Project, and is kept nearly full for pumping.
USBR daily reading for Oct 24, 2026
- PERCENT FULL
- 92.8%
- 7-DAY CHANGE
- −1.8 pts
- ELEVATION
- n/a
- ACRE-FEET
- 529.3K
- of 570.3K capacity
- GALLONS
- 172.47B
- of 185.82B
Water balance, 7 days to Oct 24, 2026
- Inflow
- n/a
- Reclamation's measured inflow
- Release
- 71,082 af
- Water passed downstream through the dam
- Change in storage
- n/a
- From the daily storage readings; the difference from inflow minus release is evaporation, diversions and rounding
Trend
- 7 days
- −1.8 pts
- vs. the reading a week earlier
- 1 year
- −11.1 pts
- vs. end of Sep 2025 (103.9%)
- 10-year low
- 88.5%
- end of Feb 2026
- 10-year high
- 105.4%
- end of Nov 2019
Yearly figures and the high/low compare end-of-month storage from Reclamation's monthly series with the latest daily reading. This site does not project future levels; for official 24-month projections see Reclamation's 24-Month Study. How each figure is derived is explained in the FAQ.
10-Year Historical Trend
End-of-month storage as a percent of capacity. Source: U.S. Bureau of Reclamation. Dashed lines are this site's warning (50%) and critical (30%) marks.
About Lake Havasu
Lake Havasu is on the Colorado River in AZ/CA. Reclamation's capacity figure for it is 570,253 acre-feet (USBR available capacity), about 185.82B gallons.
Behind Parker Dam. Lake Havasu is the intake for the Colorado River Aqueduct (Southern California) and the Central Arizona Project, and is kept nearly full for pumping.
As of Oct 24, 2026, the reservoir held 529,296 acre-feet, 92.8% of capacity, down 1.8 pts from the reading seven days earlier. Storage figures are U.S. Bureau of Reclamation daily readings; recent values are provisional and may be revised.
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Every Monday: Lake Havasu and the rest of the system, with the week's change. One email a week, unsubscribe any time.