Risky reservoirs: Indiana counties where aging dams pose the greatest threat

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- Total high-hazard dams: 8
- Number potentially dangerous: 1 (12.5%)
- Potentially dangerous dams include:
--- 1 in poor condition

#48. Clark County
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- Total high-hazard dams: 6
- Number potentially dangerous: 1 (16.7%)
- Potentially dangerous dams include:
--- 1 in poor condition

#47. Scott County
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- Total high-hazard dams: 6
- Number potentially dangerous: 1 (16.7%)
- Potentially dangerous dams include:
--- 1 in poor condition

#46. Spencer County
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- Total high-hazard dams: 5
- Number potentially dangerous: 1 (20.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#45. Allen County
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- Total high-hazard dams: 4
- Number potentially dangerous: 1 (25.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#44. Orange County
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- Total high-hazard dams: 7
- Number potentially dangerous: 2 (28.6%)
- Potentially dangerous dams include:
--- 2 in poor condition

#43. Henry County
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- Total high-hazard dams: 6
- Number potentially dangerous: 2 (33.3%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 1 condition withheld

#42. Putnam County
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- Total high-hazard dams: 6
- Number potentially dangerous: 2 (33.3%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 1 condition withheld

#41. Ripley County
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- Total high-hazard dams: 9
- Number potentially dangerous: 3 (33.3%)
- Potentially dangerous dams include:
--- 3 in poor condition

#40. Vanderburgh County
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- Total high-hazard dams: 9
- Number potentially dangerous: 3 (33.3%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 2 in poor condition

#39. Johnson County
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- Total high-hazard dams: 9
- Number potentially dangerous: 3 (33.3%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 1 not rated
--- 1 condition withheld

#38. Parke County
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- Total high-hazard dams: 19
- Number potentially dangerous: 7 (36.8%)
- Potentially dangerous dams include:
--- 5 in poor condition
--- 2 not rated

#37. Morgan County
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- Total high-hazard dams: 13
- Number potentially dangerous: 5 (38.5%)
- Potentially dangerous dams include:
--- 5 in poor condition

#36. Bartholomew County
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- Total high-hazard dams: 5
- Number potentially dangerous: 2 (40.0%)
- Potentially dangerous dams include:
--- 2 in poor condition

#35. Marion County
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- Total high-hazard dams: 5
- Number potentially dangerous: 2 (40.0%)
- Potentially dangerous dams include:
--- 2 in poor condition

#34. Owen County
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- Total high-hazard dams: 7
- Number potentially dangerous: 3 (42.9%)
- Potentially dangerous dams include:
--- 2 in poor condition
--- 1 not rated

#33. Jackson County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#32. St. Joseph County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#31. Elkhart County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#30. Floyd County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 not rated

#29. Dearborn County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 not rated

#28. Noble County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#27. Cass County
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- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 condition withheld

#26. Jennings County
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- Total high-hazard dams: 32
- Number potentially dangerous: 16 (50.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 11 in poor condition
--- 4 not rated

#25. Brown County
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- Total high-hazard dams: 7
- Number potentially dangerous: 4 (57.1%)
- Potentially dangerous dams include:
--- 4 in poor condition

#24. Hendricks County
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- Total high-hazard dams: 7
- Number potentially dangerous: 4 (57.1%)
- Potentially dangerous dams include:
--- 2 in poor condition
--- 2 not rated

#23. Vigo County
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- Total high-hazard dams: 5
- Number potentially dangerous: 3 (60.0%)
- Potentially dangerous dams include:
--- 3 in poor condition

#22. Porter County
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- Total high-hazard dams: 5
- Number potentially dangerous: 3 (60.0%)
- Potentially dangerous dams include:
--- 2 in poor condition
--- 1 condition withheld

#21. Dubois County
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- Total high-hazard dams: 15
- Number potentially dangerous: 9 (60.0%)
- Potentially dangerous dams include:
--- 8 in poor condition
--- 1 not rated

#20. Washington County
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- Total high-hazard dams: 3
- Number potentially dangerous: 2 (66.7%)
- Potentially dangerous dams include:
--- 2 in poor condition

#19. Steuben County
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- Total high-hazard dams: 6
- Number potentially dangerous: 4 (66.7%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 3 not rated

#18. Perry County
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- Total high-hazard dams: 4
- Number potentially dangerous: 3 (75.0%)
- Potentially dangerous dams include:
--- 3 in poor condition

#17. Kosciusko County
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- Total high-hazard dams: 8
- Number potentially dangerous: 6 (75.0%)
- Potentially dangerous dams include:
--- 3 in poor condition
--- 2 not rated
--- 1 condition withheld

#16. Monroe County
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- Total high-hazard dams: 7
- Number potentially dangerous: 6 (85.7%)
- Potentially dangerous dams include:
--- 5 in poor condition
--- 1 condition withheld

#15. Lake County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#14. Tippecanoe County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#13. Madison County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#12. LaPorte County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#11. Hancock County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 not rated

#10. Warrick County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 condition withheld

#9. Miami County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 condition withheld

#8. Wabash County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#7. Greene County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition

#6. Switzerland County
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- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 condition withheld

#5. Union County
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- Total high-hazard dams: 2
- Number potentially dangerous: 2 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 1 not rated

#4. Grant County
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- Total high-hazard dams: 2
- Number potentially dangerous: 2 (100.0%)
- Potentially dangerous dams include:
--- 2 in poor condition

#3. Marshall County
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- Total high-hazard dams: 2
- Number potentially dangerous: 2 (100.0%)
- Potentially dangerous dams include:
--- 2 condition withheld

#2. Huntington County
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- Total high-hazard dams: 2
- Number potentially dangerous: 2 (100.0%)
- Potentially dangerous dams include:
--- 1 in poor condition
--- 1 condition withheld

This story features data reporting by Paxtyn Merten, writing by Dom DiFurio, and is part of a series utilizing data automation across 50 states.

#1. Franklin County
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