| STATE | LOCALE | DATE | CAUSE | CASES |
|---|---|---|---|---|
| Nevada | Las Vegas | Jan.-April 1994 | Cryptosporidium | 100 19 deaths |
| Missouri | Gideon | Nov. 1993 | Salmonella | 486 4 deaths |
| Wisconsin | Milwaukee | Mar. 1993 | Cryptosporidium | 400,000 104 deaths |
| Oregon | Talent | May 1992 | Cryptosporidium | 3,000 |
| Pennsylvania | Reading | Aug. 1991 | Cryptosporidium | 551 |
| Michigan | Yankee Springs | June 1991 | Acute gastrointestinal | 1,320 |
| Tennessee | Brentwood | May 1990 | Acute gastrointestinal | 1,000 |
| Missouri | Cabool | Dec. 1989 | E. coli bacteria | 243 |
| Alabama | Collinsville | Sept. 1989 | Acute gastrointestinal | 700 |
| Arizona | Sedona | April 1989 | Norwalk-like virus | 900 |
| Texas | Travis County | May 1988 | Shigella sonnei | 900 |
| Pennsylvania | multiple sites | Sept. 1987 | Norwalk-like virus | 5,000 |
| Pennsylvania | Blossburg | April 1987 | Giardia | 513 |
| Georgia | Carrollton | Jan. 1987 | Cryptosporidium | 13,000 |