Low Hazard Dams
No probable loss of human life and low economic/environmental losses expected.
| Dam Name | Hazard | Height | Built | Type | State |
|---|---|---|---|---|---|
| Zahn Dam Otoe | Low Hazard | 32 ft | 1952 | Earth | Nebraska |
| Zahn Dam; Henry Jr. Hettinger | Low Hazard | 7 ft | 1934 | Earth | North Dakota |
| Zahn Dam; Joseph Oliver | Low Hazard | 17 ft | 1964 | Earth | North Dakota |
| Zaleski Lake Dam Bell | Low Hazard | 7 ft | 1978 | Earth | Texas |
| Zalesky Dam Jefferson | Low Hazard | 25 ft | 1980 | Earth | Nebraska |
| Zalla Berling Dam Gallatin | Low Hazard | 32 ft | 1995 | Earth | Kentucky |
| Zalmanek Lake Dam Milam | Low Hazard | 25 ft | 1962 | Earth | Texas |
| Zander Lake Dam Lafayette | Low Hazard | 25 ft | — | Earth | Missouri |
| Zander Lake Dam Callaway | Low Hazard | 25 ft | 1977 | Earth | Missouri |
| Zane Lake Dam Bell | Low Hazard | 17 ft | 1964 | Earth | Texas |
| Zanzi Pal Hill | Low Hazard | 25 ft | 1930 | Earth | Montana |
| Zarbrook Baldwin | Low Hazard | 25 ft | 1965 | Earth | Georgia |
| Zarges Pond Dam Macoupin | Low Hazard | 30 ft | 1978 | Earth | Illinois |
| Zaugg Dam Pocahontas | Low Hazard | 42 ft | 1998 | Earth | Iowa |
| Z Cake Rosebud | Low Hazard | 15 ft | 1950 | Earth | Montana |
| Z. Drum Perkins | Low Hazard | 14 ft | 1935 | Earth | South Dakota |
| Zeagler Irrigation Pond Dam Screven | Low Hazard | 15 ft | 1977 | Earth | Georgia |
| Zebroski Hughes | Low Hazard | 34 ft | 1975 | Earth | South Dakota |
| Zehr Dam Buffalo | Low Hazard | 15 ft | 1960 | Earth | Nebraska |
| Zeigler Coal Company Lake Randolph | Low Hazard | 19 ft | 1977 | Earth | Illinois |
| Zeiset Dam Knox | Low Hazard | 26 ft | 2006 | Earth | Missouri |
| Zelene Smith Pond Dam Edgefield | Low Hazard | 20 ft | 1950 | — | South Carolina |
| Zell Lake Dam Faulk | Low Hazard | 11 ft | 1930 | Earth | South Dakota |
| Zellmer Subwatershed Site J-1a Woodbury | Low Hazard | 42 ft | 2002 | Earth | Iowa |
| Zellmer Subwtrshd #B 22+50 Woodbury | Low Hazard | 27 ft | 1964 | Earth | Iowa |
| Zellmer Subwtrshd #M 106+26 Woodbury | Low Hazard | 39 ft | 1964 | Earth | Iowa |
| Zellmer Subwtrshd Sta 31+70 #M Woodbury | Low Hazard | 42 ft | 1964 | Earth | Iowa |
| Zellmer Subwtrshd Sta 54+60 #B1 Woodbury | Low Hazard | 30 ft | 1964 | Earth | Iowa |
| Zellmer Subwtrshd Sta 60+50 #A Woodbury | Low Hazard | 24 ft | 1964 | Earth | Iowa |
| Zelzo Carter | Low Hazard | 15 ft | 1920 | Earth | Montana |
| Zemba Sublette | Low Hazard | 16 ft | 1915 | Earth | Wyoming |
| Zempel Rosebud | Low Hazard | 22 ft | 1936 | Earth | Montana |
| Zempel #3 Rosebud | Low Hazard | 20 ft | 1940 | Earth | Montana |
| Zenina Lakes Upper Dam Madison | Low Hazard | — | — | Earth | North Carolina |
| Zenishek Dam Johnson | Low Hazard | 25 ft | 1979 | Earth | Iowa |
| Zentner Dam Richardson | Low Hazard | 36 ft | 2001 | Earth | Nebraska |
| Zephyrhills Airport Pasco | Low Hazard | 8 ft | — | Earth | Florida |
| Zephyr Site Rice | Low Hazard | 20 ft | — | Rockfill | Kansas |
| Zerbe Pond Winona | Low Hazard | 29 ft | 1979 | Earth | Minnesota |
| Zero Hunting Club Lake Dam Grenada | Low Hazard | 15 ft | 2012 | Earth | Mississippi |
| Zesch Lake Dam Mason | Low Hazard | 40 ft | 1939 | Earth | Texas |
| Zester,John Taylor | Low Hazard | 20 ft | 1969 | Earth | Wisconsin |
| Zezas Johnson | Low Hazard | 25 ft | 1958 | Earth | Wyoming |
| Zezas Irrigation Johnson | Low Hazard | 39 ft | 1973 | Earth | Wyoming |
| Zezas No. 1 Johnson | Low Hazard | 24 ft | 1968 | Earth | Wyoming |
| Ziegenfuss Pond Dam Laurens | Low Hazard | 27 ft | 1951 | — | South Carolina |
| Ziegler Creek Z-1 Otoe | Low Hazard | 25 ft | 1967 | Earth | Nebraska |
| Ziegler Creek Z-15 Otoe | Low Hazard | 34 ft | 1969 | Earth | Nebraska |
| Ziegler Creek Z-16 Otoe | Low Hazard | 42 ft | 1970 | Earth | Nebraska |
| Ziegler Creek Z-17 Otoe | Low Hazard | 39 ft | 1970 | Earth | Nebraska |