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Abstract : The city of Cleveland, OH, and the Northeast Ohio Regional Sewer District are in the process of an ambitious engineering project designed to reduce the amount of untreated wastewater that is discharged into Lake Erie and its tributaries. The project involves the construction of seven tunnels that will intercept combined sewer overflows for transport to wastewater treatment plants, along with upgrades to the treatment capacity of these plants. This report will examine the water quality impacts of this project, as well as the impact of six additional proposed management options, on the streams of Greater Cleveland and the Lake Erie nearshore. Impact will be quantified using metrics developed here for total ammonia nitrogen, total phosphorus and E. coli based on standards set by the United States and Ohio Environmental Protection Agencies. Two mathematical models (SWMM for tributaries and SWMM/FVCOM for the Lake Erie nearshore) will be used to simulate water quality conditions for baseline conditions and under potential management options. Ultimately, this model-based approach will be able to pinpoint which management options are most effective in terms of their water quality impact, as well as where the potential trouble spots are located for pollutant concentration guideline exceedances.
Abstract: Health officials in 88 counties and environmental engineers in 5 districts issue permits for onsite wastewater treatment systems throughout Ohio. Educating this large and diverse audience about advances in onsite wastewater treatment is a challenge. An examination of returned instruments indicated the instructional medium with the greatest percentage of regulators indicating a preference for a particular instructional medium was demonstration. A statistically significant difference was found between health department regulators and Ohio EPA in regards to preference of demonstrations (p-value = 0.011) and online instruction (p-value = 0.005), but no single instructional medium was indicated as the preferred medium for all three regulator groups. Different preferences were also found regarding attendance of certain programs and utilization of certain bulletins, but no statistical differences were found between health department regulators and Ohio EPA regulators regarding programs (p-value 0.429) or bulletins (p-value = 0.368). A statistically significant difference was found between reported skills, concepts and procedures by county and city health department regulators (p-value = 0.03), but no significant differences were found between county and city health department regulators and Ohio EPA regulators regarding the skills, concepts, and procedures, obstacles, or areas of ill preparedness. Comparison of other need to know lists showed one less item and two new items as important categories for regulators. Monitoring and impacts was not strongly supported as a need-to know item by any regulator group. Regulations and general knowledge were new areas reported by regulators.
"Designed as an aid for those looking for solutions to water and wastewater problems for themselves and their communities, the booklet gives a brief summary of each available program and tells who to contact for more detailed information. For convenience, the booklet is divided into sections dealing with the different types of assistance available. These sections; funding sources, technical assistance and regulatory responsibilities should give readers an idea of the scope of available aid."--Page 2.