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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.


Regulated Substances Subject to CalARP/Federal RMP/ISO:

Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Chlorine (98k PDF, 3pp.) 3 Yes Yes No
Anhydrous Ammonia (98k PDF, 2pp.) 2 Yes No No



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