Reservoir · Arizona · United States · BOR RISE
Lake Havasu
Lake Havasu Parker Dam and Powerplant
86.4% full
Capacity
746.36 hm³
Volume stored
645 hm³
Coordinates
34.296°N, 114.138°W
Last updated
2026-09-09
Current fill
86.4%vs 7 days ago
+0.8%gaining
vs 1 year ago
-8.3%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 34.296, -114.138 · Open in Google Maps
About Lake Havasu
As of September 9, 2026, Lake Havasu is filled to 86.4% of its total capacity, holding roughly 645 hm³ of water out of a maximum 746 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.8 pts), and it is 8.3 points below its level on the same date a year earlier.
Across the readings we hold for Lake Havasu — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 82.4% (December 15, 2025) to a high of 100.0% (August 4, 2022). On average the reservoir is fullest around July and at its lowest around December.
It is operated by BOR primarily for multiple purposes. It lies within the Arizona basin at 34.296°N, 114.138°W.
Key facts
- Current fill level
- 86.4%
- Water stored
- 645 hm³
- Total capacity
- 746 hm³
- 7-day change
- ▲ 0.8 pts
- Year-on-year
- ▼ 8.3 pts
- Primary use
- Multipurpose
- River basin
- Arizona
- Operator
- BOR
- Coordinates
- 34.296°N, 114.138°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 86.4% | 645 |
| 8 Sep 2026 | 85.6% | 639 |
| 7 Sep 2026 | 84.9% | 633 |
| 6 Sep 2026 | 85.1% | 635 |
| 5 Sep 2026 | 85.3% | 637 |
| 4 Sep 2026 | 86.2% | 643 |
| 3 Sep 2026 | 86.7% | 647 |
| 2 Sep 2026 | 85.6% | 639 |
| 1 Sep 2026 | 85.8% | 640 |
| 31 Aug 2026 | 86.4% | 645 |
| 30 Aug 2026 | 87.3% | 651 |
| 29 Aug 2026 | 88.0% | 657 |