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Protecting What Protects Us

For more than 100 years, the Miami Conservancy District's flood protection system has protected lives, infrastructure, and the regional economy. Aging infrastructure, stronger storms, and a growing funding gap now require a responsible update.

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WHAT WE PROTECT

The system protects 17 hospitals, 1,000+ miles of roads, and billions in homes and businesses.

About The System

FIXING THE SYSTEM

Without improvement, there is increased risk of failure and threat from catastrophic flooding.

Capital Improvement

UPDATING FUNDING MODEL

The current funding model provides only about half of what is needed.

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What Is Happening

News & Public Notices

As river recreation begins to ramp up across Southwest Ohio, the Miami Conservancy District (MCD), in partnership with the Miami Valley Fire District, is launching a regional safety campaign to raise ...

Miami Conservancy District

Posted on Apr 06, 2026

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Bids will be received via the Bid Express website (www.bidexpress.com) until 2:00 PM local time, Tuesday, April 14, 2026 for Contract No. 2026-001C, Germantown Dam: Auxiliary Spillway Rehabilitation p ...

Miami Conservancy District

Posted on Apr 01, 2026

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DAYTON, OHIO — The Miami Conservancy District (MCD) flood protection system successfully prevented flooding across Southwest Ohio during last week’s heavy rainfall by capturing and controlling bil ...

Miami Conservancy District

Posted on Mar 31, 2026

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The Board of Appraisers of The Miami Conservancy District and its Subdistricts will meet on April 6, 2026, at 10:00 a.m. The meeting will take place at The Miami Conservancy District located at 38 E. ...

Miami Conservancy District

Posted on Mar 31, 2026

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Date: March 23, 2026 The Miami Conservancy District (MCD) will temporarily close a section of the Great Miami River Recreation Trail in Franklin to address erosion that recently developed downstr ...

Miami Conservancy District

Posted on Mar 23, 2026

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THE GREAT MIAMI RIVERWAY

More than just a river

The Great Miami Riverway is a program of the Miami Conservancy District, convened with local communities, to support and encourage people to live, work, and play safely along the Great Miami River.

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MIAMI CONSERVANCY DISTRICT

Who we are

Miami Conservancy District is a pioneering organization at the forefront of flood protection, water stewardship, and recreation since 1915.

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