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Weldon / Mattaceunk

Near Mattawamkeag, ME

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Updated: Fri, October 09, 09:26:49 pm (EDT)

1909.34 cfs as of 2026-10-09 09:24:52 PM (EDT)

Outflow

Facility Contact
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More Information

STAY SAFE

Make sure you have up to date waterflow information when you head out for a day on the water.

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Call the Safe Waters hotline
1-844-430-FLOW (3569)

Planned Siren Testing - October 10-14

Fri, October 02 , 12:00 pm

Great Lakes Hydro America will perform maintenance testing of its River Monitoring System sirens October 10 through October 14.

These sirens are located at the Big Eddy Campground, at three sites in the town of Medway, downstream of the Weldon Dam, and at Jordan Mills.
The siren at each site will be activated momentarily to verify proper operation.

Due to weather conditions or other unplanned circumstances, the testing schedule is subject to change without prior notice.

More Information

STAY SAFE
Make sure you have up to date waterflow information when you head out for a day on the water.
---
Call the Safe Waters hotline
1-844-430-FLOW (3569)

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Please note!

Water release schedules often change without notice due to unanticipated changes in weather conditions and power system requirements. Use caution near dams. A large amount of water may be discharged without warning at any time. Your safety depends on obeying all posted safety regulations and warnings.

Disclaimer: Water release schedules and flow levels posted by Brookfield Renewable as directed by the Federal Energy Regulatory Commission are for informational purposes only and are subject to change without notice. Brookfield Renewable makes no representation or warranty, expressed or implied concerning the accuracy, completeness and reliability or suitability of the data and/or information contained herein for any particular purpose. While Brookfield Renewable strives to make reasonable efforts to ensure that the data and/or information contained on the website is complete, accurate, reliable and suitable, errors may occur or information may be out dated. Brookfield Renewable at any time may revise or change the data and/or information posted without any obligation to notify past, current or prospective users.

In no event will Brookfield Renewable, its affiliates, subsidiaries, officers, directors, shareholders, employees or agents be liable for any damages whatsoever in contract, tort or otherwise, including but not limited to, special, direct, indirect, general, consequential, incidental or punitive damages arising out of the use of the data and/or information posted. By accessing this website, the user acknowledges and agrees that any employment of the data and/or information posted is solely assumed and at the user’s own risk.

© 2026 Brookfield Renewable N.A.

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