La Co., Sanitation Dist
Pomona, CA · Los Angeles County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 15 MGD
- NPDES permit
- 3602801200
- Effective
- Permit expires
- July 2026
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for La Co., Sanitation Dist are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at La Co., Sanitation Dist — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in California
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Riverside · 20 mi away
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Cerritos · 22 mi away
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Long Beach · 24 mi away
5.65 MGD
Colton · 25 mi away
21.17 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.