Reservoir · Pennsylvania · United States · USACE CWMS
Conemaugh River Lake, PA
11.8% full
Capacity
109.29 hm³
Volume stored
13 hm³
Coordinates
40.468°N, 79.366°W
Last updated
2026-07-30
Current fill
11.8%vs 7 days ago
+0.8%gaining
vs 1 year ago
+2.4%year-over-year
7-day trend
→stable
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-07-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.468, -79.366 · Open in Google Maps
About Conemaugh River Lake, PA
As of July 30, 2026, Conemaugh River Lake, PA is filled to 11.8% of its total capacity, holding roughly 13 hm³ of water out of a maximum 109 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (+0.8 pts), and it is 2.4 points above its level on the same date a year earlier.
Across the readings we hold for Conemaugh River Lake, PA — 324 data points between July 31, 2021 and July 30, 2026 — the level has ranged from a low of 3.7% (June 30, 2026) to a high of 100.0% (September 3, 2021). On average the reservoir is fullest around February and at its lowest around June.
It is operated by USACE primarily for multiple purposes. It lies within the Pennsylvania basin at 40.468°N, 79.366°W.
Key facts
- Current fill level
- 11.8%
- Water stored
- 13 hm³
- Total capacity
- 109 hm³
- 7-day change
- ▲ 0.8 pts
- Year-on-year
- ▲ 2.4 pts
- Primary use
- Multipurpose
- River basin
- Pennsylvania
- Operator
- USACE
- Coordinates
- 40.468°N, 79.366°W
- Last updated
- July 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Jul 2026 | 11.8% | 13 |
| 29 Jul 2026 | 11.0% | 12 |
| 28 Jul 2026 | 7.9% | 9 |
| 27 Jul 2026 | 7.8% | 9 |
| 26 Jul 2026 | 9.8% | 11 |
| 25 Jul 2026 | 13.2% | 14 |
| 24 Jul 2026 | 16.6% | 18 |
| 23 Jul 2026 | 19.4% | 21 |
| 22 Jul 2026 | 21.4% | 23 |
| 21 Jul 2026 | 22.7% | 25 |
| 20 Jul 2026 | 23.8% | 26 |
| 19 Jul 2026 | 20.4% | 22 |
Frequently asked questions
What is the current water level of Conemaugh River Lake, PA?
As of July 30, 2026, Conemaugh River Lake, PA is at 11.8% of its capacity, holding approximately 13 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Conemaugh River Lake, PA reservoir full?
No. As of July 30, 2026, Conemaugh River Lake, PA is critically low at 11.8% of its capacity, so it is not full.
Is the water level at Conemaugh River Lake, PA rising or falling?
The level at Conemaugh River Lake, PA has been broadly stable over the latest week on record (+0.8 points).
How much water can Conemaugh River Lake, PA hold?
Conemaugh River Lake, PA has a total capacity of 109 hm³.
Where is Conemaugh River Lake, PA reservoir located?
Conemaugh River Lake, PA is located in Pennsylvania, United States, within the Pennsylvania basin (coordinates 40.468°N, 79.366°W).
What is Conemaugh River Lake, PA used for?
Conemaugh River Lake, PA is used primarily for multiple purposes, and is managed by USACE.