Discovery Bay WWTP
Discovery Bay, CA · Contra Costa County · Publicly Owned Treatment Works
- Average flow
- 1.04 MGD
- Design flow
- 2.35 MGD
- NPDES permit
- 3604487112
- Effective
- Permit expires
- January 2030
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Discovery Bay WWTP are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Discovery Bay WWTP — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.