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Ohio Administrative Code (Last Updated: January 12, 2021) |
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3745 Ohio Environmental Protection Agency |
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Chapter3745-1. Water Quality Standards |
| 3745-1-01. Purpose and applicability |
| 3745-1-02. Definitions |
| 3745-1-03. Analytical methods and availability of documents |
| 3745-1-04. Criteria applicable to all waters |
| 3745-1-05. Antidegradation |
| 3745-1-06. Mixing zone demonstration and sizing requirements |
| 3745-1-07. Beneficial use designations and biological criteria |
| 3745-1-08. Hocking river drainage basin |
| 3745-1-09. Scioto river drainage basin |
| 3745-1-10. Grand river drainage basin |
| 3745-1-11. Maumee river drainage basin |
| 3745-1-12. Sandusky river drainage basin |
| 3745-1-13. Central Ohio tributaries drainage basin |
| 3745-1-14. Ashtabula river drainage basin |
| 3745-1-15. Little Beaver creek drainage basin |
| 3745-1-16. Southeast Ohio tributaries drainage basin |
| 3745-1-17. Southwest Ohio tributaries drainage basin |
| 3745-1-18. Little Miami river drainage basin |
| 3745-1-19. Huron river drainage basin |
| 3745-1-20. Rocky river drainage basin |
| 3745-1-21. Great Miami river drainage basin |
| 3745-1-22. Chagrin river drainage basin |
| 3745-1-23. Portage river drainage basin |
| 3745-1-24. Muskingum river drainage basin |
| 3745-1-25. Mahoning river drainage basin |
| 3745-1-26. Cuyahoga river drainage basin |
| 3745-1-27. Black river drainage basin |
| 3745-1-28. Vermilion river drainage basin |
| 3745-1-29. Wabash river drainage basin |
| 3745-1-30. Mill creek drainage basin |
| 3745-1-31. Lake Erie standards |
| 3745-1-32. [Effective 1/18/2021] Ohio river standards |
| 3745-1-33. [Effective 1/18/2021] Water quality criteria for water supply use designations |
| 3745-1-34. [Effective 1/18/2021] Water quality criteria for the protection of human health [fish consumption] |
| 3745-1-35. Aquatic life and wildlife criteria |
| 3745-1-36. Methodologies for development of aquatic life criteria and values [RESCINDED] |
| 3745-1-37. Water quality criteria for recreation use designations and aesthetic conditions |
| 3745-1-38. Variances from water quality standards for point sources |
| 3745-1-39. Site-specific modifications to criteria and values |
| 3745-1-40. Methodologies for development of aquatic life criteria and values |
| 3745-1-41. Methodology for deriving bioaccumulation factors |
| 3745-1-42. Methodologies for development of human health criteria and values for the lake Erie drainage basin |
| 3745-1-43. Methodology for the development of wildlife criteria for the lake Erie drainage basin |
| 3745-1-44. Whole effluent toxicity provisions |
| 3745-1-50. Wetland definitions and availability of documents |
| 3745-1-51. Wetland narrative criteria |
| 3745-1-52. Numeric chemical criteria for waste water discharges to wetlands |
| 3745-1-53. Wetland use designation |
| 3745-1-54. Wetland antidegradation |