Blue Marsh Lake

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Blue Marsh Lake Welcome to the U.S. Army Corps of Engineers Blue Marsh Lake! Army Corps of Engineers Philadelphia District. Army, the U.S.

Real Time Water Control Information:

http://www.nap-wc.usace.army.mil/nap/BLUEM.html

TERMS OF USE

This page is managed by the U.S. While this is an open forum, it's also a family friendly one, so please keep your comments and wall posts clean. In addition to keeping it family friendly, we ask that you follow our posting guidelines here. Comments and posts that do not follow these guidelines will be removed.

- We do not allow graphic, obscene, explicit or racial comments or submissions nor do we allow comments that are abusive, hateful or intended to defame anyone or any organization.

- We do not allow solicitations or advertisements. This includes promotion or endorsement of any financial, commercial or non-governmental agency. Similarly, we do not allow attempts to defame or defraud any financial, commercial or non-governmental agency. This also includes links to pages that have little to no direct relation to the Army Corps of Engineers or the New York District.

- We do not allow comments that suggest or encourage illegal activity.

- You participate at your own risk, taking personal responsibility for your comments, your username and any information provided.

- For Official Use Only (FOUO), classified, pre-decisional, proprietary or business-sensitive information should never be discussed here. Don’t post personnel lists, rosters, organization charts or directories.

- The appearance of external links on this site does not constitute official endorsement on behalf of the U.S. Army Corps of Engineers or Department of Defense. For more information visit the DoD Social Media User Agreement Email [email protected]

10/16/2026

Blue Marsh Lake 16 October 2026
Lake Elevation: 289.53
Inflow: 43cfs
Outflow: 250cfs
Stream Temp: 17.1 C = 62.28F
Measured Precipitation: 0.05''
24-Hour QPF: 0.25”
3-Day QPF: 0.00"
Tulpehocken Creek @ Water Road: 250 cfs
Tulpehocken Creek @ Red Bridge: 587 cfs
Gate Change: 250cfs to 200cfs
*Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out*
*WINTER POOL DRAW DOWN TO EL 285.00*

Just A Reminder!😞 It would be unpheasant if you didn’t wear orange while recreating this hunting season! 🦺📣 Pheasant sea...
10/15/2026

Just A Reminder!
😞 It would be unpheasant if you didn’t wear orange while recreating this hunting season! 🦺

📣 Pheasant season is here!
Junior Hunter Season - Open October 10th thru October 18th
Regular Season - Opens October 24th

❗️We want to remind our visitors that most of our trails are within public hunting areas. Make sure you and your furry friends are wearing fluorescent orange while recreating to enjoy the fall weather safely! Have fun, be safe, and be seen. 🧡👀

⬇Refer to our map for areas that are designated as open or closed to hunting.
https://www.nap.usace.army.mil/Portals/39/BML_WebMap2023_1.pdf

Light Green = USACE property open to hunting
Red = USACE property closed to hunting
Dark Green = PGC State Gamelands 280

📣ATTENTION PARK VISITORS*Park Status Update 10.15.2026 @ 12PM*The docks at the Dry Brooks and State Hill Boat Launches h...
10/15/2026

📣ATTENTION PARK VISITORS
*Park Status Update 10.15.2026 @ 12PM*

The docks at the Dry Brooks and State Hill Boat Launches have been removed for the winter season.
Boat launches remain open for winter boating activities.

🥶Remember, despite warm fall days, water temperatures are dropping. Always wear your life jacket to reduce the risk of drowing from cold water shock/immersion.
🦺Mandatory Life Jacket Wear for any boater on a paddleboard, kayak, canoe, or motorized vessels under 16ft starts on November 1st.

10/15/2026

Blue Marsh Lake 15 October 2026
Lake Elevation: 290.01
Inflow: 114cfs
Outflow: 133cfs
Stream Temp: 16.8 C = 62.2F
Measured Precipitation: 0.00''
24-Hour QPF: 0.10”
3-Day QPF: 0.00"
Tulpehocken Creek @ Water Road: 133 cfs
Tulpehocken Creek @ Red Bridge: 301 cfs
Gate Change: 133cfs to 250cfs
*Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out*
*WINTER POOL DRAW DOWN STARTING TODAY*
*REMOVING ALL DOCKS TODAY*

The Northern Area Photo Contest is back! 📸Be sure to submit your best photos that capture the great landscapes, dams, an...
10/14/2026

The Northern Area Photo Contest is back! 📸

Be sure to submit your best photos that capture the great landscapes, dams, and recreational opportunities that are only found throughout the District’s northern area. Don't miss your chance to be featured in our 2027 Northern Area calendar!

🍂 Submissions are open Oct. 5–Nov. 15.
👉 For Contest Rules & Photo Submissions: www.nap.usace.army.mil/Media/Northern-Area-Photo-Contest/

📸 The Northern Area Photo Contest is back! 📸

The U.S. Army Corps of Engineers’ Philadelphia District invites you to submit your photos that capture the great landscapes, dams, and recreational opportunities that are only found throughout the District’s northern area. Don't miss your chance to be featured in our 2027 Northern Area calendar!

🍂 Submissions are open Oct. 5–Nov. 15.

👉 For Contest Rules & Photo Submissions: www.nap.usace.army.mil/Media/Northern-Area-Photo-Contest/

10/14/2026

Blue Marsh Lake 14 October 2026
Lake Elevation: 289.96
Inflow: 95cfs
Outflow: 411cfs
Stream Temp: 17.9 C = 64.2F
Measured Precipitation: 0.01''
24-Hour QPF: 0.01”
3-Day QPF: 0.10"
Tulpehocken Creek @ Water Road: 411 cfs
Tulpehocken Creek @ Red Bridge: 827 cfs
Gate Change: 411cfs to 150cfs
Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out

10/13/2026

Blue Marsh Lake 13 October 2026
Lake Elevation: 290.66
Inflow: 146cfs
Outflow: 967cfs
Stream Temp: 18.5 C = 65.3F
Measured Precipitation: 2.46''
24-Hour QPF: 0.00”
3-Day QPF: 0.25"
Tulpehocken Creek @ Water Road: 967 cfs
Tulpehocken Creek @ Red Bridge: 1340 cfs
Gate Change: 967cfs to 450cfs
Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out

10/12/2026

**GATE CHANGE**
Blue Marsh Lake 12 October 2026
Lake Elevation: 291.59
Inflow: 906 cfs
Outflow: 56 cfs
Gate Change: 56 cfs to 1,000 cfs
Tulpehocken Creek @ Water Road: 56 cfs
Tulpehocken Creek @ Red Bridge: 155 cfs

Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out

10/09/2026

Blue Marsh Lake 09 October 2026
Lake Elevation: 290.10
Inflow: 47cfs
Outflow: 65cfs
Stream Temp: 17.9 C = 64.2F
Measured Precipitation: 0.00''
24-Hour QPF: 0.00”
3-Day QPF: 0.75"
Tulpehocken Creek @ Water Road: 65 cfs
Tulpehocken Creek @ Red Bridge: 91 cfs
Gate Change: No Change
Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out

10/08/2026

Blue Marsh Lake 08 October 2026
Lake Elevation: 290.10
Inflow: 69cfs
Outflow: 69cfs
Stream Temp: 17.9 C = 64.2F
Measured Precipitation: 0.00''
24-Hour QPF: 0.00”
3-Day QPF: 0.01"
Tulpehocken Creek @ Water Road: 69 cfs
Tulpehocken Creek @ Red Bridge: 91 cfs
Gate Change: No Change
Current Harmful Algal Bloom Status: Advisory / Moderate Risk - When In Doubt, Stay Out

Address

Park Office, 1268 Palisades Drive
Leesport, PA
19533

Opening Hours

Monday 8am - 7pm
Tuesday 8am - 7pm
Wednesday 8am - 7pm
Thursday 8am - 7pm
Friday 8am - 7pm
Saturday 8am - 7pm
Sunday 8am - 7pm

Telephone

+16103766337

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