Avalon WWTP
Avalon, CA · Los Angeles County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1.2 MGD
- NPDES permit
- CA0054372
- Effective
- Permit expires
- June 2029
- Population served
- 3,420
- CWNS 2022
Avalon WWTP is a publicly owned wastewater treatment works in Avalon, Los Angeles County, California, serving about 3,420 residents. It discharges under NPDES permit CA0054372 (effective), which expires in June 2029, with 15 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
5 verified contacts for Avalon WWTP, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Avalon WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
San Pedro · 28 mi away
9.8 MGD
Carson · 32 mi away
162.85 MGD
Fountain Valley · 32 mi away
77.37 MGD
Long Beach · 35 mi away
4.44 MGD
Irvine · 35 mi away
6.99 MGD
Dana Point · 37 mi away
11.47 MGD
Cerritos · 39 mi away
—
Playa Del Rey · 41 mi away
214 MGD
Avalon WWTP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated December 9, 2024.