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Reservoir · Ohio · United States · USACE CWMS

Berlin Lake

56.0% full

Capacity

72.04 hm³

Volume stored

40 hm³

Vs month average

86% of normal

Coordinates

41.046°N, 81.002°W

Last updated

2026-10-28

Current fill

56.0%
Normal

vs 7 days ago

-0.7 pp

losing

vs 1 year ago

N/A

7-day trend

→

stable

Drought context

Storage vs October average

86%of normal

56.0% full on 2026-10-28, against an average of 64.9% for October across 2 years of readings (-8.9 points).

Drought Monitor at this site · 20 October 2026

Nonenot in a drought category

Berlin Lake's coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Ohio drought figures →

Data source: USACE CWMS — US Army Corps of Engineers — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-10-28.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.046°N, 81.002°W · Open in Google Maps

About Berlin Lake

As of October 28, 2026, Berlin Lake is filled to 56.0% of its total capacity, holding 40.31 hm³ of water out of a maximum 72.04 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (-0.7 pp).

Across the readings we hold for Berlin Lake — 324 data points between October 29, 2021 and October 28, 2026 — the level has ranged from a low of 53.5% (February 16, 2022) to a high of 104.8% (March 9, 2022). On average the reservoir is fullest around April and at its lowest around January.

It is operated by USACE primarily for multiple purposes. It is at 41.046°N, 81.002°W.

Key facts

Current fill level
56.0% of total capacity
Water stored
40.31 hm³
Total capacity
72.04 hm³
7-day change
▼ 0.7 pp
Primary use
Multipurpose
Operator
USACE
Coordinates
41.046°N, 81.002°W
Last updated
October 28, 2026

Recent readings

DateFill levelVolume (hm³)
28 Oct 202656.0%40.31
27 Oct 202655.9%40.28
26 Oct 202655.9%40.28
25 Oct 202655.9%40.28
24 Oct 202655.9%40.25
23 Oct 202655.8%40.22
22 Oct 202656.1%40.43
21 Oct 202656.7%40.86
20 Oct 202657.7%41.56
19 Oct 202659.0%42.5
18 Oct 202660.3%43.46
17 Oct 202661.6%44.35

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