National Dam Safety Program. Johnson Lake Dam (MO 10650), Missouri - Kansas City Basin, Carroll County, Missouri. Phase I Inspection Report
Johnson Lake Dam was inspected by an interdisciplinary team of engineers. The purpose of the inspection was to make an assessment of the general conditions of the dam with respect to safety, based upon available data and visual inspection, in order to determine if the dam poses hazards to human life...
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| Format: | Report |
| Language: | eng |
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| Summary: | Johnson Lake Dam was inspected by an interdisciplinary team of engineers. The purpose of the inspection was to make an assessment of the general conditions of the dam with respect to safety, based upon available data and visual inspection, in order to determine if the dam poses hazards to human life or property. Johnson Lake Dam has a height of twenty-five (25) feet and a storage capacity of fifty-eight (58) acre-feet. In accordance with the guidelines a small size dam has a height greater than or equal to twenty-five (25) feet but less than forty (40) feet and a storage capacity greater than or equal to fifty (50) acre-feet but less than one thousand (1,000) acre-feet. The size classification is determined by either the storage or height, whichever gives the larger size category. Johnson Lake Dam is classified as a small size dam. In accordance with the guidelines and based on visual observation, the dam is classified as having a high potential for damage and loss of life. Failure would threaten life and property. The estimated damage zone extends approximately two (2) miles downstream of the dam. Within the damage zone are thirty (30) or more dwellings, U.S. Highway 65 and a football field all of which are located in the City of Carrollton. |
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