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Protect Yourself From Flu


Last updated: January 19, 2018, 12:14 pm

California and Contra Costa are seeing high levels of flu activity. We remind the community to take the following steps to prevent the spread of flu.

  • Get your flu vaccine
  • Clean hands often with soap and water or with hand sanitizer
  • Cover your coughs and sneezes
  • Stay home when you’re sick

People with flu like symptoms should call their health plan's Advice Nurses to get help with self-care or to help them decide if they need to visit an urgent care clinic, make an appointment with their health care provider or go to an emergency room. Rarely is emergency room needed for flu or respiratory issues.

Contra Costa Health Plan members and Contra Costa residents who do not have health coverage can call 1-877-661-6230 and select option 1 to speak to an Advice Nurse.

See more information about flu and flu prevention.

Latest flu information

Advice Nurse Flu Flyer

RMP - Antioch Water Treatment Plant


The City provides potable water to the Antioch Water Treatment Plant's (WTP) service area, which coincides with the City limits. The facility is capable of treating 26 million gallons per day (mgd) of water; however, it currently averages 15 mgd. Chlorine is used to disinfect the water. Anhydrous Ammonia is introduced into the treatment process prior to the point of disinfection.

For additional information regarding this facility's operations and most recent audit results, please view the Audit Summary English | Spanish.


Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Chlorine 3 yes yes no
Anhydrous Ammonia 2 yes no no