35Total Dams
22High Hazard
1Significant
Dam Safety in Iron County, Missouri
Iron County has 35 dams tracked in the National Inventory of Dams. Of these, 22 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Iron County is 55 years old. The most common purpose is recreation. The tallest dam is New Viburnum Tailings Dam at 170 ft.
Explore more: Oldest dams in Missouri · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| New Viburnum Tailings Dam | High | Satisfactory | 170 | Other | 1981 |
| Magmont Tailings Dam | High | Satisfactory | 135 | Tailings | 1979 |
| Old Viburnum Tailings Dam #1 | High | Satisfactory | 115 | Tailings | 1968 |
| Council Bluff Dam | High | Satisfactory | 112 | Recreation | 1981 |
| West Peak Quarry Dam #1 | High | Satisfactory | 90 | Tailings | 2001 |
| Queen Mary Dam | High | Satisfactory | 66 | Other | 1959 |
| Asarco Lake Dam | High | Satisfactory | 51 | Water Supply | 1971 |
| Primary Spoils Dam | High | Satisfactory | 50 | 1988 | |
| Viburnum City Lake Dam | High | Satisfactory | 47 | Other | 1959 |
| Crane Lake | High | Unsatisfactory | 46 | Recreation | 1971 |
| Snow Hollow Lake Dam | High | Satisfactory | 41 | Recreation | 1957 |
| Shepard Mountain Dam | High | Not assessed | 33 | Recreation | 1955 |
| Walnut Hollow Lake Dam | High | Not assessed | 32 | Recreation | 1975 |
| Clearwater Lake Dam | High | Not assessed | 30 | Other | 1971 |
| Schultz Lake Dam | High | Not assessed | 30 | Recreation | 1978 |
| Viburnum Tailings Dam #5 | High | Not assessed | 30 | Other | 1977 |
| Lake Killarney Dam | High | Not assessed | 29 | Recreation | 1911 |
| Lawless Lake Dam | High | Not assessed | 28 | Recreation | 1978 |
| Scott Lake Dam | High | Not assessed | 27 | Irrigation | 1974 |
| Isp Minerals Dam | High | Not assessed | 25 | ||
| Walnut Hollow Lake Dam Sec 2-se | High | Not assessed | 25 | Recreation | 1973 |
| Rainbow Club Farm Dam | High | Not assessed | 20 | ||
| Railroad Embankment Dam | Significant | Satisfactory | 48 | Other | 1978 |
| Viburnum #35 Dam | Low | Satisfactory | 44 | 1980 | |
| Mathes Dam | Low | Not assessed | 34 | ||
| County Road Dam/(dry/tailings) | Low | Not assessed | 27 | Other | 1959 |
| Mononame 812 | Low | Not assessed | 25 | Recreation | 1971 |
| Amax Impoundment a Dam | Low | Not assessed | 25 | Other | 1977 |
| Mitchell Lake Dam | Low | Not assessed | 25 | Recreation | |
| Asarco Sec 11 Lower Dam (shallow) | Low | Not assessed | 25 | Other | |
| Asarco Sec 11 Upper Dam (shallow) | Low | Not assessed | 25 | Other | |
| Mononame 41 | Low | Not assessed | 23 | Water Supply | 1965 |
| Mononame 466 | Low | Not assessed | 22 | Recreation | 1972 |
| Shy Lake | Low | Not assessed | 20 | Recreation | 1972 |
| Viburnum Tailings No. 2(too Small) | Low | Not assessed | 10 | Other | 1966 |