Dams in Iron County, Missouri
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 dams have 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 Rated | 33 | Recreation | 1955 |
| Walnut Hollow Lake Dam | High | Not Rated | 32 | Recreation | 1975 |
| Clearwater Lake Dam | High | Not Rated | 30 | Other | 1971 |
| Schultz Lake Dam | High | Not Rated | 30 | Recreation | 1978 |
| Viburnum Tailings Dam #5 | High | Not Rated | 30 | Other | 1977 |
| Lake Killarney Dam | High | Not Rated | 29 | Recreation | 1911 |
| Lawless Lake Dam | High | Not Rated | 28 | Recreation | 1978 |
| Scott Lake Dam | High | Not Rated | 27 | Irrigation | 1974 |
| Isp Minerals Dam | High | Not Rated | 25 | ||
| Walnut Hollow Lake Dam Sec 2-se | High | Not Rated | 25 | Recreation | 1973 |
| Rainbow Club Farm Dam | High | Not Rated | 20 | ||
| Railroad Embankment Dam | Significant | Satisfactory | 48 | Other | 1978 |
| Viburnum #35 Dam | Low | Satisfactory | 44 | 1980 | |
| Mathes Dam | Low | Not Rated | 34 | ||
| County Road Dam/(dry/tailings) | Low | Not Rated | 27 | Other | 1959 |
| Mononame 812 | Low | Not Rated | 25 | Recreation | 1971 |
| Amax Impoundment A Dam | Low | Not Rated | 25 | Other | 1977 |
| Mitchell Lake Dam | Low | Not Rated | 25 | Recreation | |
| Asarco Sec 11 Lower Dam (shallow) | Low | Not Rated | 25 | Other | |
| Asarco Sec 11 Upper Dam (shallow) | Low | Not Rated | 25 | Other | |
| Mononame 41 | Low | Not Rated | 23 | Water Supply | 1965 |
| Mononame 466 | Low | Not Rated | 22 | Recreation | 1972 |
| Shy Lake | Low | Not Rated | 20 | Recreation | 1972 |
| Viburnum Tailings No. 2(too Small) | Low | Not Rated | 10 | Other | 1966 |