Ohio State University Extension Bulletin

Nonpoint Source Assessment: User's Guide to Ohio's Surface Waters

Bulletin 873-98

Appendix C: Hydrologic Group Numbers and Names

Hydrologic Group # and Water Body Name

  1. Upper Mahoning River
  2. Lower Mahoning River
  3. Pymatuning Creek
  4. Little Beaver Creek
  5. Central Tribs (Yellow Creek and Cross Creek)
  6. Central Tribs (Short Creek and Wheeling Creek)
  7. Central Tribs (McMahon, Captina, Sunfish Creek)
  8. Little Muskingum River
  9. Duck Creek
  10. Upper Tuscarawas River
  11. Nimishillen Creek
  12. Conotton Creek
  13. Sugar Creek
  14. Stillwater Creek
  15. Lower Tuscarawas River
  16. Black Fork, Clear Fork, Rocky Fork Mohican River
  17. Lake Fork, Jerome Fork, Muddy Fork Mohican River
  18. Kokosing River
  19. Killbuck Creek
  20. Upper Muskingum River and Wakatomika Creek
  21. Wills Creek
  22. Licking River
  23. Middle Muskingum River
  24. Lower Muskingum River
  25. Upper Hocking River
  26. Middle Hocking River
  27. Lower Hocking River
  28. Southeast Tribs (Shade River and Leading Creek)
  29. Southeast Tribs (Lower Raccoon Creek)
  30. Southeast Tribs (Upper Raccoon Creek)
  31. Southeast Tribs (Little Indian Guyan Creek)
  32. Southeast Tribs (Symmes Creek)
  33. Southeast Tribs (Little Scioto River and Pine Creek)
  34. Upper Scioto River (and Little Scioto River)
  35. Scioto River (Mill Creek, Bokes Creek, Fulton Creek)
  36. Upper Olentangy River
  37. Lower Olentangy River
  38. Big Walnut Creek
  39. Big Darby Creek
  40. Walnut Creek
  41. Middle Scioto River (including Deer Creek)
  42. Upper Paint Creek
  43. Lower Paint Creek (North Fork and Rocky Fork)
  44. Salt Creek
  45. Scioto River (Sunfish Creek, Beaver Creek)
  46. Lower Scioto River (and Scioto Brush Creek)
  47. Southwest Tribs (Eagle Creek and Straight Creek)
  48. Ohio Brush Creek
  49. Southwest Tribs (White Oak Creek, Indian Creek, Bear Creek)
  50. Upper Little Miami River
  51. Caesar Creek
  52. Todd Fork
  53. East Fork Little Miami River
  54. Lower Little Miami River
  55. Upper Great Miami River
  56. Great Miami River and Loramie Creek
  57. Stillwater River
  58. Mad River
  59. Twin Creek
  60. Middle Great Miami River
  61. Fourmile Creek
  62. Lower Great Miami River and Whitewater River
  63. Wabash River
  64. Saint Marys River
  65. Saint Joseph River (including Gordon Creek)
  66. Blanchard River
  67. Lower Auglaize River
  68. Ottawa River
  69. Little Auglaize River
  70. Upper Auglaize River
  71. Upper Miami River
  72. Tiffin River
  73. Upper Middle Maumee River
  74. Lower Middle Maumee River
  75. Lower Maumee River (and Ottawa River)
  76. Lake Erie Tribs Maumee River to Portage River
  77. Upper Portage River
  78. Lower Portage River
  79. Tymochtee Creek
  80. Upper Sandusky River
  81. Middle Sandusky River
  82. Lower Sandusky River
  83. Lake Erie Tribs Sandusky River to Vermillion River
  84. Vermillion River
  85. Huron River
  86. Black River
  87. Rocky River
  88. Upper Cuyahoga River
  89. Lower Cuyahoga River
  90. Lake Erie Tribs (Chagrin River)
  91. Upper Grand River
  92. Lower Grand River
  93. Ashtabula River and Conneaut Creek

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