# Unknown;Legionella pneumophila outbreak — Colorado, 2006-10
> **Water** · Suspected;Confirmed · 6 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-d4c394b71139
- **Date:** 2006-10
- **State:** Colorado
- **Primary mode:** Water
- **Etiology:** Unknown;Legionella pneumophila (serogroup 1)
- **Etiology status:** Suspected;Confirmed
- **Setting:** Private home/residence
## Impact
- **Illnesses:** 6
- **Hospitalizations:** 0
- **Deaths:** 0
## Water exposure

- **Exposure:** Recreational water -- treated
- **Water type:** Hot Tub/Spa/Whirlpool

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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