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Level 1 Alert lasting longer than 20 minutes or with odors
Notification Only - Flaring incident at Marathon Martinez that may be Seen by the surrounding community.
October 2, 2023, 12:26 am

RMP - Bollman Water Treatment Plant

Concord, CA

Contra Costa Water District's Ralph D. Bollman Water Treatment Plant was constructed in 1968 and is located at 2015 Bates Avenue in Concord. The facility uses aqueous ammonia to treat the water to meet the required water quality standards. The Bollman WTP is operated and maintained 24 hours a day.

Regulated Substances Subject to CalARP/Federal RMP/ISO:
Regulated Substance Program Level CalARP Regulated Federal RMP Regulated ISO Regulated
Aqueous Ammonia (PDF) 1 yes no no