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Pennsylvania

Reservoir · Pennsylvania · United States · USACE CWMS

Lake Lynn Outflow, PA

100.0% full

Capacity

89.69 hm³

Volume stored

90 hm³

Coordinates

39.721°N, 79.857°W

Last updated

2026-06-12

Current fill

100.0%
High

vs 7 days ago

+0.6%

gaining

vs 1 year ago

+12.2%

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: 2026-06-12.

Catchment Weather

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

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.721, -79.857 · Open in Google Maps

About Lake Lynn Outflow, PA

As of June 12, 2026, Lake Lynn Outflow, PA is filled to 100.0% of its total capacity, holding roughly 90 hm³ of water out of a maximum 90 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (+0.6 pts), and it is 12.2 points above its level on the same date a year earlier.

Across the readings we hold for Lake Lynn Outflow, PA — 301 data points between April 4, 2024 and June 12, 2026 — the level has ranged from a low of 82.9% (February 12, 2026) to a high of 100.0% (June 12, 2026). On average the reservoir is fullest around October and at its lowest around September.

It is operated by USACE primarily for multiple purposes. It lies within the Pennsylvania basin at 39.721°N, 79.857°W.

Key facts

Current fill level
100.0%
Water stored
90 hm³
Total capacity
90 hm³
7-day change
▲ 0.6 pts
Year-on-year
▲ 12.2 pts
Primary use
Multipurpose
River basin
Pennsylvania
Operator
USACE
Coordinates
39.721°N, 79.857°W
Last updated
June 12, 2026

Recent readings

DateFill levelVolume (hm³)
12 Jun 2026100.0%90
11 Jun 202699.4%89
10 Jun 202698.8%89
9 Jun 202699.7%89
8 Jun 202699.0%89
7 Jun 202698.7%89
6 Jun 202698.3%88
5 Jun 202697.9%88
4 Jun 202699.0%89
3 Jun 202699.2%89
2 Jun 202699.1%89
1 Jun 202697.1%87

Frequently asked questions

What is the current water level of Lake Lynn Outflow, PA?

As of June 12, 2026, Lake Lynn Outflow, PA is at 100.0% of its capacity, holding approximately 90 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.

Is Lake Lynn Outflow, PA reservoir full?

Lake Lynn Outflow, PA is essentially full, sitting at 100.0% of capacity as of June 12, 2026.

Is the water level at Lake Lynn Outflow, PA rising or falling?

The level at Lake Lynn Outflow, PA has been broadly stable over the latest week on record (+0.6 points).

How much water can Lake Lynn Outflow, PA hold?

Lake Lynn Outflow, PA has a total capacity of 90 hm³.

Where is Lake Lynn Outflow, PA reservoir located?

Lake Lynn Outflow, PA is located in Pennsylvania, United States, within the Pennsylvania basin (coordinates 39.721°N, 79.857°W).

What is Lake Lynn Outflow, PA used for?

Lake Lynn Outflow, PA is used primarily for multiple purposes, and is managed by USACE.

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