Blog Posts

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    MCD dams, levees, and other parts of the flood protection system have worked harder and stored more water in recent decades. This results in stress on the system. More frequent events add pressure on infrastructure that is aging and in need of repair and renewal. Four major factors are identified that could pose risk to ...

Posted in: flood protection on May 13th, 2024
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Year in review - 2023 was drier than normal The U.S. Drought Monitor shows most of our region remains in abnormally dry conditions. Total precipitation and snowfall at Dayton are tracking well below the 1991 – 2020 average.  The year 2023 will go down as a warmer and drier than normal year. The charts below show how temper ...

Posted in: Weather patterns on January 29th, 2024
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Map focused on areas near the cities of Franklin and Carlisle, Ohio To understand the flood impacted areas at different river stages along the Great Miami River a new Flood Inundation Map was initiated by the Miami Conservancy District and the Ohio Silver Jackets to help people understand the risk of flooding in the Franklin and Carlisle ...

Posted in: Water information on January 29th, 2024
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by Emma Allington, MCD engineering associate With their historic economic power, everlasting natural beauty, and surging recreation appeal, Dayton’s rivers are the crowning jewel of the Gem City. However, challenges along these great rivers, such as deteriorating trail infrastructure and dangerously steep levees, continue to restri ...

Posted in: Trails on October 2nd, 2023
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MCD announces a naming contest - you can suggest names for a new remote-operated robotic mower. The contest kicks off Friday, July 28 and will accept names until August 11. To properly maintain a large integrated flood protection system that includes five dams and 55 miles of levees - there are lots of steep slopes and difficult places ...

Posted in: Water information on July 24th, 2023
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With its abundant supply of high quality groundwater, the buried valley aquifer system is the most important aquifer in southwest Ohio. MCD works to study and protect groundwater through testing, reporting, educating, and stewardship activities. Proper management of this resource will ensure the aquifer continues to support and ...

Posted in: Uncategorized on March 3rd, 2023
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Every public water system in Ohio that relies on groundwater has a defined source water protection area. A source water protection area is a map of all the land area over the aquifers which provide drinking water to a particular public water system.  It is the responsibility of each municipal public water system to develop a plan to ...

Posted in: Aquifer on March 1st, 2023
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The good news is that our rivers, streams, and groundwater are not connected with the runoff from the train derailment site in East Palestine, Ohio. In fact, they drain a totally different direction. The Great Miami River Watershed drains INTO the Ohio River – not the other way around. Water in the Ohio River is not physically able ...

Posted in: Aquifer on February 27th, 2023
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By Mike Ekberg, manager of water resources monitoring and analysis Municipal public water systems in Ohio are required to test drinking water for contaminants on a regular basis. For many parameters, that is daily. This helps to ensure the water they produce is safe for consumers to drink. Private well owners, on the other hand, are not ...

Posted in: Aquifer on September 2nd, 2022
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If you plan to go on a bike ride, we understand you may be disappointed when a section of the trail is covered by river water after heavy rains. We‘ve all been there! But we want you to know that some trails were actually built as an additional amenity as part of an integrated flood protection system and trails are meant to go under ...

Posted in: Trails on June 15th, 2022
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By Ben Casper, operations and maintenance manager Great Miami River cities don’t flood, though average annual precipitation has been increasing. The MCD flood protection system was designed to protect 47,000 properties and keep 1 million people safe. The number of annual high-water events at MCD flood-control dams have been trendin ...

Posted in: Uncategorized on April 8th, 2022
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By Mike Ekberg, manager of water resource monitoring and analysis Any community that needs to replace or build a bridge, culvert, stormwater system, or conduct a floodplain analysis must compute peak stream flows during the design process. Understanding peak stream flows ensures the infrastructure will be designed large enough to handle ...

Posted in: Uncategorized on March 8th, 2022
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By Mike Ekberg, Manager of water resource monitoring and analysis At MCD, we track water movement into and out of the Great Miami River Watershed over long periods of time, spanning decades. The records generated at precipitation stations, stream gages, and observation wells enable MCD staff to track long-term trends in water resource ...

Posted in: Uncategorized on February 8th, 2022
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By Don O'Connor, Chief Engineer While there is a persistent fear of flooding in cities around the world, people and businesses along the Great Miami River go confidently about their lives hardly giving flooding a thought. Since 1922, homes and businesses have been protected by MCD’s system of five dry dams, storage basins, 55 miles ...

Posted in: Uncategorized on January 18th, 2022
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By Mike Ekberg, manager of water resources monitoring and analysis Are PFAS compounds present in our rivers and if so at what levels or concentrations are they present?  Recent river water sampling by the Miami Conservancy District (MCD) shows some Per- and Polyfluoroalkyl Substances (PFAS) compounds present in all of the major r ...

Posted in: Aquifer on December 1st, 2021
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By Mike Ekberg, manager of water resources monitoring and analysis It’s the beginning of November and winter is right around the corner. What will winter 2021–2022 be like? Will the Miami Valley experience a mild winter or can we expect frigid temperatures and lots of snow? Here are some predictions based on MCD’s research and e ...

Posted in: Climate on November 1st, 2021
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By Mike Ekberg and Richard Stuck Most of us know that too much salt is unhealthy for the body, raising blood pressure for example. Well, apparently it can be unhealthy for our water, too. As the saltiness or salinity of groundwater increases above naturally occurring levels, so does its potential to harm aquatic life and to damage drinki ...

Posted in: Aquifer on October 4th, 2021
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By Sarah Hippensteel Hall, Ph.D., manager of watershed partnerships Soil. It’s under your feet. It’s in your garden. It’s on the farms that grow your food. And yet you probably don’t give it much of a thought. But maybe you should. Protecting soil is better for everyone. Our community gets cleaner rivers, cleaner air, a ...

Posted in: Uncategorized on September 1st, 2021
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By Sarah Hippensteel Hall, Ph.D., manager of watershed partnerships For many of us, enjoying prairies has been limited to what we saw on (or see in reruns of) TV shows like "Little House on the Prairie." That’s because by the middle of the 20th century, nearly all of the North American prairie grasslands had been destroyed by e ...

Posted in: Uncategorized on August 2nd, 2021
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By Mike Ekberg, Manager of water resources monitoring and analysis The drought headlines coming out of the western US are sobering. UPDATE May 3, 2022 - A link to a more recent story on the drought in the west is here. "The West is in the midst of a very serious megadrought," said USDA Chief Meteorologist Mark Brusberg in ...

Posted in: Aquifer on July 1st, 2021