Risky reservoirs: Colorado counties where aging dams pose the greatest threat
- Total high-hazard dams: 16
- Number potentially dangerous: 1 (6.3%)
- Potentially dangerous dams include:
--- 1 not rated
- Total high-hazard dams: 12
- Number potentially dangerous: 1 (8.3%)
- Potentially dangerous dams include:
--- 1 not rated

- Total high-hazard dams: 23
- Number potentially dangerous: 2 (8.7%)
- Potentially dangerous dams include:
--- 2 condition withheld
- Total high-hazard dams: 11
- Number potentially dangerous: 1 (9.1%)
- Potentially dangerous dams include:
--- 1 not rated

- Total high-hazard dams: 27
- Number potentially dangerous: 3 (11.1%)
- Potentially dangerous dams include:
--- 2 posing immediate threat
--- 1 condition withheld

- Total high-hazard dams: 8
- Number potentially dangerous: 1 (12.5%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
- Total high-hazard dams: 6
- Number potentially dangerous: 1 (16.7%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
- Total high-hazard dams: 28
- Number potentially dangerous: 6 (21.4%)
- Potentially dangerous dams include:
--- 3 posing immediate threat
--- 3 condition withheld

- Total high-hazard dams: 9
- Number potentially dangerous: 2 (22.2%)
- Potentially dangerous dams include:
--- 2 condition withheld
- Total high-hazard dams: 4
- Number potentially dangerous: 1 (25.0%)
- Potentially dangerous dams include:
--- 1 not rated
- Total high-hazard dams: 4
- Number potentially dangerous: 1 (25.0%)
- Potentially dangerous dams include:
--- 1 condition withheld
- Total high-hazard dams: 4
- Number potentially dangerous: 1 (25.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat

- Total high-hazard dams: 8
- Number potentially dangerous: 2 (25.0%)
- Potentially dangerous dams include:
--- 2 posing immediate threat
- Total high-hazard dams: 12
- Number potentially dangerous: 3 (25.0%)
- Potentially dangerous dams include:
--- 3 condition withheld
- Total high-hazard dams: 64
- Number potentially dangerous: 16 (25.0%)
- Potentially dangerous dams include:
--- 1 not rated
--- 15 condition withheld
- Total high-hazard dams: 30
- Number potentially dangerous: 8 (26.7%)
- Potentially dangerous dams include:
--- 5 posing immediate threat
--- 1 not rated
--- 2 condition withheld
- Total high-hazard dams: 7
- Number potentially dangerous: 2 (28.6%)
- Potentially dangerous dams include:
--- 1 not rated
--- 1 condition withheld
- Total high-hazard dams: 7
- Number potentially dangerous: 2 (28.6%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 1 condition withheld

- Total high-hazard dams: 3
- Number potentially dangerous: 1 (33.3%)
- Potentially dangerous dams include:
--- 1 not rated

- Total high-hazard dams: 3
- Number potentially dangerous: 1 (33.3%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
- Total high-hazard dams: 6
- Number potentially dangerous: 2 (33.3%)
- Potentially dangerous dams include:
--- 2 condition withheld
- Total high-hazard dams: 8
- Number potentially dangerous: 3 (37.5%)
- Potentially dangerous dams include:
--- 2 not rated
--- 1 condition withheld

- Total high-hazard dams: 8
- Number potentially dangerous: 3 (37.5%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 1 not rated
--- 1 condition withheld
- Total high-hazard dams: 10
- Number potentially dangerous: 4 (40.0%)
- Potentially dangerous dams include:
--- 2 posing immediate threat
--- 1 not rated
--- 1 condition withheld

- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
- Total high-hazard dams: 2
- Number potentially dangerous: 1 (50.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat

- Total high-hazard dams: 4
- Number potentially dangerous: 2 (50.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 1 in poor condition
- Total high-hazard dams: 4
- Number potentially dangerous: 2 (50.0%)
- Potentially dangerous dams include:
--- 2 condition withheld
- Total high-hazard dams: 9
- Number potentially dangerous: 5 (55.6%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 4 condition withheld

- Total high-hazard dams: 10
- Number potentially dangerous: 6 (60.0%)
- Potentially dangerous dams include:
--- 3 posing immediate threat
--- 3 condition withheld
- Total high-hazard dams: 8
- Number potentially dangerous: 5 (62.5%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 4 condition withheld

- Total high-hazard dams: 3
- Number potentially dangerous: 2 (66.7%)
- Potentially dangerous dams include:
--- 2 posing immediate threat
- Total high-hazard dams: 3
- Number potentially dangerous: 2 (66.7%)
- Potentially dangerous dams include:
--- 2 condition withheld
- Total high-hazard dams: 14
- Number potentially dangerous: 10 (71.4%)
- Potentially dangerous dams include:
--- 1 posing immediate threat
--- 1 not rated
--- 8 condition withheld
- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 condition withheld
- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat

- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat

- Total high-hazard dams: 1
- Number potentially dangerous: 1 (100.0%)
- Potentially dangerous dams include:
--- 1 posing immediate threat

- Total high-hazard dams: 2
- Number potentially dangerous: 2 (100.0%)
- Potentially dangerous dams include:
--- 1 not rated
--- 1 condition withheld

- Total high-hazard dams: 3
- Number potentially dangerous: 3 (100.0%)
- Potentially dangerous dams include:
--- 3 posing immediate threat
- Total high-hazard dams: 6
- Number potentially dangerous: 6 (100.0%)
- Potentially dangerous dams include:
--- 6 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.
