Regional goals for the Great Lakes
Through Blue Accounting, experts collaborate to track progress toward shared goals for key issues affecting the Great Lakes. Below is what we are currently tracking for Ohio.
(target met in 1 of 10 years)
Established in 2016, water quality goals and metrics are challenging to achieve because excess phosphorus has accumulated in streams and ditches over many years. Measuring progress is also complicated by the challenge of slowing the flow of water during spring snowmelt and rain.
Each year, NOAA National Centers for Coastal Ocean Science determines the HAB severity by utilizing satellite imagery and remote sensing. Progress is tracked by counting the number of years targets for HAB severity were met during the past ten year period.
Rain and snowmelt during the spring (March 1 through July 31) are a driver of bloom severity later in the summer. Progress is tracked by counting the number of years targets for soluble reactive phosphorus loads were met during the past ten year period.
Limiting the annual total phosphorus load is thought to keep oxygen concentrations in the bottom waters of Lake Erie at an acceptable level to avoid hypoxia (these low-oxygen areas are sometimes referred to as “dead zones”). Progress is tracked by counting the number of years targets for total phosphorus loads were met during the past ten year period.
Lake Erie jurisdictions required to create Domestic Action Plans pursuant to the Great Lakes Water Quality Agreement are currently implementing those plans, including strategies reduce phosphorus contributions to Lake Erie
Progress is reported by metric
Preventing the introduction of new non-native species is the most cost-effective approach to minimize future threats from AIS. Prevention activities aim to reduce the uptake, movement and introduction of non-native species, and may be applied to any of the pathways that introduce AIS into the Great Lakes basin: trade in live organisms, recreational activities, shipping, and canals and waterways.
The Great Lakes St. Lawrence Governors and Premiers identified and agreed to prohibit 21 "Least Wanted" aquatic invasive species. Blue Accounting tracks how many of those species are regulated in each jurisdiction, as well as related policies.
Blue Accounting tracks regulatory and non-regulatory approaches used across the region to ensure boaters take specific actions to reduce the risk of spreading aquatic invasive species. No target is currently defined for this metric.
target not defined
Early detection (i.e., monitoring) and response programs are intended to detect new non-native species early while populations are still localized. Early detection increases the likelihood that work to contain, control, and ideally eradicate new populations will be effective. A comprehensive basin-wide approach is needed to coordinate and guide detection and response efforts.
This metric is currently under development and will seek to assess early detection efforts for priority species and sites across the Great Lakes basin.
More than 185 non-native species are established in the Great Lakes, some of which are considered invasive and are causing ecological and/or economic damage. While significant progress is being made to prevent the introduction and establishment of new AIS, damaging populations of AIS that already exist should be managed to reduce their negative impacts.
Additional information about Ohio
The state of Ohio has taken a collaborative and data-driven approach to improving water quality all across the state. The Ohio Lake Erie Commission coordinates with the Ohio Department of Natural Resources, the Ohio Department of Agriculture, and the Ohio EPA as lead agencies for Governor Mike DeWine’s H2Ohio initiative. Each Department, while working together, performs specific actions to work toward the ultimate goal of clean drinking water in Ohio.
The Ohio Department of Agriculture (ODA) worked with local Soil and Water Conservation Districts to enroll farmers in the most cost-effective best management practices (BMPs) for farmers. The Ohio Department of Natural Resources (ODNR) works to design, construct, and restore wetlands around the state, primarily where algal blooms are prevalent. The Ohio EPA invests in drinking and wastewater infrastructure work, targeting disadvantaged communities.
The initiative is entering its third year and continues to grow. You can read more about the work being done in Ohio at h2.ohio.gov.
H2Ohio progress and success is monitored by each department in different ways.
Ohio Department of Agriculture – ODA is working with researchers, scientists, and water quality professionals to model and monitor the phosphorus load reductions obtained through the practice implementation efforts of H2Ohio. Initially, this information will be based on edge of field monitoring data that will be utilized in models to project load reductions throughout the watershed. These models will be compared to stream water quality monitoring data that is currently being measured.
Ohio Department of Natural Resources – ODNR has enlisted the Lake Erie and Aquatic Research Network (LEARN) as a partner in the wetland monitoring plan. The Lake Erie and Aquatic Research Network (LEARN) is a group of field stations, scientific laboratories and diverse researchers within Ohio working together to promote collaborative research, education, and networking to address the challenges and opportunities facing Ohio’s freshwater resources. The group assesses the effectiveness and future role of implemented and planned wetland restoration projects under the H2Ohio Initiative.
Ohio Environmental Protection Agency – Ohio’s communities rely on clean drinking water and wastewater infrastructure to protect public health; however, some people still don’t have access to good, quality drinking water or sewer systems. H2Ohio is helping ensure clean water by funding water infrastructure projects in disadvantaged communities to provide safe drinking water and sewer services; fixing or replacing hundreds of failing home sewage treatment systems in low-income areas; replacing lead pipes and fixtures at high-risk daycares and schools; increasing water quality monitoring across the state.
Additionally, as part of Ohio EPA’s H2Ohio Technology Assessment Program (H2Ohio TAP), the Agency identified ten emerging technologies that could play an important role in the reduction of harmful algal blooms (HABs) in Lake Erie. H2Ohio TAP has completed an initial screening of technology proposals, and that have been submitted to a third-party technical team with experience in environmental technologies. This team will complete a more in-depth evaluation of efficacy and scalability of the proposed technologies in addressing HABs and nutrients, particularly in Lake Erie.
Related programs or goals
How Progress is Tracked
H2Ohio is Governor Mike DeWine’s comprehensive, data-driven water quality plan to reduce harmful algal blooms, improve wastewater infrastructure, and prevent lead contamination.
further describe what is being counted
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What we do
Blue Accounting is an information service to track the region’s progress toward shared goals for the Great Lakes. Maintained by the Great Lakes Commission, the information developed by Blue Accounting helps elected officials make sure that policies and programs are effective at protecting the largest fresh surface water system on earth.
What we measure
The Great Lakes Commission’s Blue Accounting team works with experts to identify goals and methods to track progress on key Great Lakes issues. Currently, Blue Accounting is tracking progress on protecting the region from aquatic invasive species and keeping phosphorus out of Lake Erie.