Reservoir · Arizona · United States · USGS NWIS
Apache Lake
92.3% full
Capacity
302.37 hm³
Volume stored
279 hm³
Coordinates
33.591°N, 111.343°W
Last updated
2026-08-02
Current fill
92.3%vs 7 days ago
0.0%stable
vs 1 year ago
+0.6%year-over-year
7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — 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: 2026-08-02.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 33.591, -111.343 · Open in Google Maps
About Apache Lake
As of August 2, 2026, Apache Lake is filled to 92.3% of its total capacity, holding roughly 279 hm³ of water out of a maximum 302 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Apache Lake — 1097 data points between August 2, 2023 and August 2, 2026 — the level has ranged from a low of 89.7% (November 12, 2023) to a high of 96.1% (April 3, 2026). On average the reservoir is fullest around April and at its lowest around December.
It is operated by SRP primarily for multiple purposes. It lies within the Salt River basin at 33.591°N, 111.343°W.
Key facts
- Current fill level
- 92.3%
- Water stored
- 279 hm³
- Total capacity
- 302 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 0.6 pts
- Primary use
- Multipurpose
- River
- Salt River
- River basin
- Salt River
- Operator
- SRP
- Coordinates
- 33.591°N, 111.343°W
- Last updated
- August 2, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 2 Aug 2026 | 92.3% | 279 |
| 1 Aug 2026 | 92.3% | 279 |
| 31 Jul 2026 | 92.7% | 280 |
| 30 Jul 2026 | 92.4% | 279 |
| 29 Jul 2026 | 91.9% | 278 |
| 28 Jul 2026 | 92.2% | 279 |
| 27 Jul 2026 | 92.0% | 278 |
| 26 Jul 2026 | 91.9% | 278 |
| 25 Jul 2026 | 92.2% | 279 |
| 24 Jul 2026 | 92.6% | 280 |
| 23 Jul 2026 | 92.7% | 280 |
| 22 Jul 2026 | 93.2% | 282 |
Frequently asked questions
What is the current water level of Apache Lake?
As of August 2, 2026, Apache Lake is at 92.3% of its capacity, holding approximately 279 hm³ of water, according to SRP (Salt River Project) data.
Is Apache Lake reservoir full?
No. As of August 2, 2026, Apache Lake is high at 92.3% of its capacity, so it is not full.
Is the water level at Apache Lake rising or falling?
The level at Apache Lake has been broadly stable over the latest week on record (0.0 points).
How much water can Apache Lake hold?
Apache Lake has a total capacity of 302 hm³.
Where is Apache Lake reservoir located?
Apache Lake is located in Arizona, United States, within the Salt River basin (coordinates 33.591°N, 111.343°W).
What is Apache Lake used for?
Apache Lake is used primarily for multiple purposes, and is managed by SRP.