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Sept. 22, 2009 – Oct. 22, 2009
By neighborhood
| Mid Wilshire | 2 | 7% |
| Westchester | 1 | 4% |
| Hollywood | 1 | 4% |
| Pico-Robertson | 1 | 4% |
| Hancock Park | 1 | 4% |
| Palms | 1 | 4% |
| Westlake | 1 | 4% |
| Los Feliz | 1 | 4% |
| Unknown | 30 | 107% |
By reasons
Percentages may add up to more than 100 because pool closures may have multiple reasons.