116Total Dams
47High Hazard
8Significant
Dam Safety in St. Charles County, Missouri
St. Charles County has 116 dams tracked in the National Inventory of Dams. Of these, 47 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in St. Charles County is 54 years old. The most common purpose is recreation. The tallest dam is New Melle Quarry at 90 ft.
Explore more: Oldest dams in Missouri · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| New Melle Quarry | High | Satisfactory | 90 | 1999 | |
| Callaway Forks Dam | High | Satisfactory | 80 | Recreation | 1981 |
| True Femme Osage Properties Lake Dam | High | Satisfactory | 73 | 2000 | |
| Weber Dam | High | Satisfactory | 72 | 2002 | |
| Sycamore Valley Lake Dam | High | Satisfactory | 72 | 2012 | |
| Warvid Lake Dam | High | Satisfactory | 69 | Recreation | 1989 |
| De Villa Trails Lake Dam | High | Satisfactory | 61 | Recreation | 1995 |
| Khani Dam | High | Unsatisfactory | 57 | 2001 | |
| Lake Sainte Louise Dam | High | Satisfactory | 52 | Recreation | 1967 |
| Femme Osage Lake Dam | High | Satisfactory | 50 | Recreation | 1980 |
| Incline Village Lake Dam | High | Satisfactory | 48 | Recreation | 1978 |
| Lake St. Louis Dam | High | Satisfactory | 47 | Recreation | 1973 |
| Green Gate Farms Dam | High | Satisfactory | 46 | 1994 | |
| Stergen Lake Dam | High | Satisfactory | 46 | Recreation | 1970 |
| Key Harbour Estate Dam #1 | High | Satisfactory | 44 | Flood Risk Reduction | 1992 |
| Warwick Downs Dam | High | Satisfactory | 42 | Recreation | 1969 |
| Key Harbour Estate Dam #2 | High | Satisfactory | 41 | Flood Risk Reduction | 1992 |
| Howell Dam | High | Satisfactory | 40 | Recreation | 1978 |
| Busch Wildlife #35 | High | Satisfactory | 39 | Recreation | 1963 |
| Park Charles South Dam | High | Satisfactory | 39 | Recreation | 1965 |
| Beaver Lake Dam | High | Satisfactory | 37 | Recreation | 1969 |
| Struckhoffs Lake Dam | High | Satisfactory | 37 | Recreation | 1972 |
| Busch Wildlife #37 Dam | High | Satisfactory | 36 | Recreation | 1970 |
| Soloman Lake Dam | High | Not assessed | 34 | Recreation | 1967 |
| Little Lake in the Woods Dam | High | Not assessed | 34 | Recreation | 1965 |
| Hoblitzelle Upper Lake Dam | High | Not assessed | 34 | Recreation | |
| Koenig Dam | High | Not assessed | 32 | Recreation | 1910 |
| Bair Lake Dam | High | Not assessed | 32 | Flood Risk Reduction | 1971 |
| The Bluffs Lake Dam | High | Not assessed | 32 | Recreation | |
| Poepsel Farm Lake Dam | High | Not assessed | 32 | Flood Risk Reduction | 1972 |
| Park Charles South No. 2 | High | Not assessed | 32 | Recreation | 1965 |
| Schultehenrich,robert Dam | High | Not assessed | 30 | Recreation | 1964 |
| Hughes Lake Dam | High | Not assessed | 30 | Recreation | 1975 |
| Kolb Lake Dam | High | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Univ Mo Exp Farm Dam- Mononame 207 | High | Not assessed | 29 | Irrigation | 1958 |
| Hafers Lake Dam | High | Not assessed | 27 | Recreation | 1955 |
| Oakridge Estates Lake Dam | High | Not assessed | 27 | Recreation | 1964 |
| August a Busch Lake #51 Dam | High | Not assessed | 27 | Recreation | 1962 |
| Green Valley Farm | High | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Lawson Lake Dam | High | Not assessed | 25 | Recreation | 1970 |
| Robert Schulte Dam | High | Not assessed | 25 | Recreation | 1973 |
| Brown Lake Dam | High | Not assessed | 25 | Fish and Wildlife Pond | 1960 |
| Bair, Jim Dam | High | Not assessed | 22 | Recreation | 1972 |
| Sioux Power Plant Dam | High | Not assessed | 21 | ||
| Cpc Spirit of St. Louis Hospital Dam | High | Not assessed | 20 | ||
| August a Busch Lake #16 Dam | High | Not assessed | 20 | Recreation | 1959 |
| August a Busch Lake #570 Dam | High | Not assessed | 15 | Recreation | 1970 |
| Coleman Dam | Significant | Satisfactory | 51 | Recreation | 1991 |
| Cedar Lake Dam | Significant | Satisfactory | 37 | ||
| Hickory Lake Dam | Significant | Satisfactory | 37 | ||
| Busch Wildlife Dam #34 | Significant | Satisfactory | 37 | Recreation | 1957 |
| Chardonnay Lake Dam | Significant | Satisfactory | 36 | ||
| Berg Pond Lake Dam | Significant | Not assessed | 29 | ||
| Sadler Lake Dam | Significant | Not assessed | 25 | Flood Risk Reduction | 1972 |
| Siem Lake Dam | Significant | Not assessed | 23 | Flood Risk Reduction | 1973 |
| Klondike Lake Dam | Low | Satisfactory | 50 | Recreation | 1965 |
| Lost Lake Dam | Low | Satisfactory | 37 | Recreation | 1961 |
| Fox Lake Dam | Low | Not assessed | 34 | Recreation | 1960 |
| Lake Wood Dam | Low | Not assessed | 34 | Recreation | 1960 |
| Timber Lake Dam | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Lakeview Acres Dam | Low | Not assessed | 32 | Fish and Wildlife Pond | 1971 |
| Big Country Lake Dam | Low | Not assessed | 32 | Recreation | |
| Cloverleaf Farm Lake Dam | Low | Not assessed | 31 | Recreation | 1971 |
| Posepsel Farm Lake Dam | Low | Not assessed | 31 | Flood Risk Reduction | 1972 |
| Fette Lake Dam | Low | Not assessed | 30 | Recreation | 1968 |
| Langosch Lake Dam | Low | Not assessed | 30 | Recreation | 1962 |
| Muich Lake Dam | Low | Not assessed | 30 | Recreation | 1962 |
| Thompson Lake Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Hinnah Lake Dam | Low | Not assessed | 30 | Fish and Wildlife Pond | 1972 |
| Struckhoff Lake Dam Sec 11 | Low | Not assessed | 30 | Flood Risk Reduction | 1973 |
| New Melle Lake Estates Dam | Low | Not assessed | 30 | Recreation | 1974 |
| Arp Choille Co Dam Sec 23 | Low | Not assessed | 30 | Recreation | 1959 |
| Riverbend Estates Dam | Low | Not assessed | 29 | ||
| Hammel Lake Dam | Low | Not assessed | 29 | Debris Control | 1969 |
| Apprill Lake | Low | Not assessed | 25 | Recreation | 1972 |
| Wolfner Dam | Low | Not assessed | 25 | Recreation | 1981 |
| Stevener Lake Dam | Low | Not assessed | 25 | Recreation | |
| Biggs Lake Dam | Low | Not assessed | 25 | Recreation | 1965 |
| Birnbaum Lake Dam | Low | Not assessed | 25 | Recreation | 1973 |
| Inman Lake Dam | Low | Not assessed | 25 | Recreation | 1972 |
| Hitz Lake Dam | Low | Not assessed | 25 | Flood Risk Reduction | 1971 |
| Niedner Lake Dam | Low | Not assessed | 25 | Debris Control | 1967 |
| Borgelt Lake Dam | Low | Not assessed | 25 | Recreation | 1964 |
| Parker's Dam | Low | Not assessed | 25 | Recreation | 1972 |
| Mcnair Lake Dam | Low | Not assessed | 25 | Recreation | |
| Wolk Lake Dam | Low | Not assessed | 25 | Recreation | 1976 |
| Arnot Lake Dam | Low | Not assessed | 25 | Recreation | 1960 |
| Berry Park Dam | Low | Not assessed | 25 | Recreation | |
| Clement Lake Dam | Low | Not assessed | 25 | Debris Control | 1975 |
| Lake Dan-bea Dam | Low | Not assessed | 25 | Recreation | 1950 |
| Fordyce Lake Dam | Low | Not assessed | 25 | Fish and Wildlife Pond | 1976 |
| Forest Hills Lake Dam | Low | Not assessed | 25 | Recreation | |
| Schidinger-hannigan-hoffman Lake Dam | Low | Not assessed | 25 | Recreation | 1970 |
| August a Busch Lake #8 Dam | Low | Not assessed | 25 | Recreation | 1971 |
| August a Busch Lake #6 Dam | Low | Not assessed | 25 | Recreation | 1971 |
| Schulte Lake Dam | Low | Not assessed | 25 | Fish and Wildlife Pond | 1972 |
| Busch Wildlife Area-survey 1778 Dam | Low | Not assessed | 25 | Recreation | |
| Busch Wildlife Area-survey 887 Dam | Low | Not assessed | 25 | Recreation | |
| Aholt Farms East Lake Lower Dam | Low | Not assessed | 25 | Fish and Wildlife Pond | 1977 |
| Citizens Mort Inv Corp Dam-sec 36 | Low | Not assessed | 25 | Recreation | |
| Hoblitzelle Lower Lake Dam | Low | Not assessed | 24 | Recreation | |
| Mononame 507 | Low | Not assessed | 22 | Recreation | 1973 |
| Kraut Run Lake Dam | Low | Not assessed | 22 | Recreation | 1963 |
| Brommelsieck Lake Dam | Low | Not assessed | 22 | Fish and Wildlife Pond | 1967 |
| Garrett Lake Dam | Low | Not assessed | 20 | Recreation | 1970 |
| Johnson Lake Dam | Low | Not assessed | 20 | Recreation | 1970 |
| Mosley Lake Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Bridlespur Lake Dam | Low | Not assessed | 20 | Recreation | 1959 |
| Hueffmeir Lake Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | |
| August a Busch Lake #15 Dam | Low | Not assessed | 20 | Recreation | 1970 |
| Busch Wildlife Area-sec 27 Dam | Low | Not assessed | 20 | Recreation | |
| Busch Wildlife Area-survey 297 Dam | Low | Not assessed | 20 | Recreation | |
| Carlie Lake Dam | Low | Not assessed | 15 | Recreation | 1974 |
| August a Busch Lake #7 Dam | Low | Not assessed | 15 | Recreation | 1970 |
| Busch Wildlife Area-sec 36 Dam | Low | Not assessed | 15 | Recreation | |
| Diermann Recreation Area Dam | Low | Not assessed | 10 | Recreation | 1967 |