Dillon Lake Water Level Today
Ohio · near Zanesville · In the flood pool
- Elevation
- 739.55 ft
- From full pool
- +5.85 ft
- Percent of pool
- 119.7%
- 24-hour change
- +1.62 ft
- 7-day change
- −1.45 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Dillon Lake
Dillon Lake is 5.85 ft above full pool, at 739.55 ft, in its flood pool, up 1.62 ft in the last 24 hours. That puts the lake at 119.7 percent of its conservation pool. The top of the flood pool is 50.5 ft higher, at 790.00 ft.
Over the last 7 days the level fell 1.45 ft, and over 30 days it fell 16.77 ft. In the 399 days of readings on this page the high was 758.89 ft on May 29, 2026 and the low was 735.48 ft on Apr 4, 2026, a range of 23.41 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Zanesville, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Dillon Lake pool elevations
| Current elevation | 739.55 ft |
|---|---|
| Full pool (top of conservation) | 733.70 ft |
| Top of flood pool | 790.00 ft |
| Bottom of conservation pool | 704.00 ft |
| Top of dam | 818.00 ft |
| Inflow | 6,040 cfs |
| Outflow | 2,947 cfs |
| 30-day change | −16.77 ft |
| 1-year high | 758.89 ft (May 29, 2026) |
| 1-year low | 735.48 ft (Apr 4, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, LRH district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Ohio
- Alum Creek Lake 889.14 ft, +1.14 ft from full
- Atwood Lake 928.27 ft, +5.39 ft from full
- Berlin Lake 1,024.64 ft, +2.37 ft from full
- Charles Mill Lake 997.52 ft, +0.52 ft from full
- Clendening Lake 898.13 ft, +0.13 ft from full
- Deer Creek Lake 812.72 ft, +2.72 ft from full
Dillon Lake level questions
What is the water level of Dillon Lake today?
Dillon Lake is at 739.55 ft as of Sep 21, 2026, +5.85 ft relative to full pool (733.70 ft). The 24-hour change is +1.62 ft.
What is full pool at Dillon Lake?
Full pool, the top of the conservation pool, is 733.70 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 790.00 ft. The bottom of the conservation pool is 704.00 ft.
Is Dillon Lake rising or falling?
Over the last 24 hours the level is +1.62 ft; over 7 days it fell 1.45 ft, and over 30 days it fell 16.77 ft.
Where does this Dillon Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Dillon Lake. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.