Water Quality Monitoring

Thanks to our dedicated volunteers, the Mill Creek Water Quality Monitoring Program continues to be a great success! Our volunteers visit 45 sites throughout the Mill Creek Watershed to collect water samples and make observations. A group of citizen scientists analyzes the samples after they are collected.

April- November 2017 Monitoring Program Design2015 Monitoring Sites

Volunteers collect and analyze stream samples from sites throughout the Mill Creek Watershed every 2nd Saturday of the month through the method of grab sampling. The water is tested for:

For more information, check out our program flier.
Contact Chris to volunteer in 2017!

Mill Creek Data


Coming soon!

Summary of 2014 Findings
Summary of 2013 Findings

Program Funding and Support

The Mill Creek Volunteer Water Quality Monitoring Program is made possible by generous funding from Butler County Storm Water District.  We are very grateful to the Butler County Water & Sewer Department and their supportive staff for providing the lab space and direction for the program. Support through advancement in technology is provided by RA Consultants, LLC. The Council thanks the committed volunteers for their dedication to making this program successful.

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Water Quality Trends
Many improvement projects have been implemented in the Mill Creek Watershed by a variety of entities. Since 1992, water quality, as indexed by Ohio EPA’s biocriteria, has shown marked improvement. We believe this trend will continue as long as the watershed’s key stakeholders continue efforts to improve the stream and its tributaries. It is our goal to collect better information to rate the effectiveness of specific projects and policy changes to achieve water quality and habitat benefits.

Why Monitor?

This program establishes a rigorous watershed-wide monitoring program that builds on existing water quality data collection. These water quality data will be assessed and tracked by the Council’s Water Resource Committee, and will allow us to implement stream and habitat restoration improvement projects from a direct analysis of water quality and stream and riparian habitat data in the Mill Creek. By reaching out to the community for volunteers, we will continue to establish a better connection between the community and their water resource. Regular and consistent monitoring also allows us to wisely invest scare resources to maximize water quality improvement in the Mill Creek Watershed, an investment that improves the quality of life for everyone in Greater Cincinnati.

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Program Resources and Information

Mill Creek Drainage Basin – Water Quality Standards
2016 Quality Assurance Project Plan
2016 Project Study Plan