Madera County
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Currently monitored health events in Madera County, California & the US:
Health Environmental-related Conditions/Diseases of Concern in Madera County by Season*
| Event or Environmental Condition | Spring | Summer | Fall | Winter |
| Extreme Heat | late spring | summer | early fall | |
| Flu (Influenza) | spring | fall & winter | ||
| Harmful Algae Bloom (Blue Green Algae) | summer |
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| Hensley Lake: fish consumption & contaminants English | Espanol | FAQs | annual concern | |||
| Mosquito-borne illness: St. Louis Encephalitis & West Nile Viruses | spring, summer & fall | |||
| Power Outage | can happen anytime during the year | |||
| Rabies | spring, summer & fall | |||
| Valley Fever | annual concern | |||
| Water Safety for Kids & Families | drowning risks are year round | |||
| Wildfire Smoke | spring, summer & fall | |||
| Boil Water Notice - Location affected (this is a point in the affected area, for specific connections affected contact the water system directly): Google Map | can happen anytime during the year | |||
| Pesticide-Related Illness Reporting | can happen anytime during the year | |||
| *Conditions & diseases can occur anytime, but generally occur as shown above | ||||
updated 1/30/25