What is the address of Avalon WWTP?

The address on the plant’s EPA facility record is 25 Pebbly Beach Road, Avalon, CA 90704, in Los Angeles County. Its coordinates are 33.3374, -118.3125. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Avalon WWTP treat?

Avalon WWTP is permitted for a design flow of 1.2 MGD. Its average daily flow is not available in the current EPA data.

What is the NPDES permit for Avalon WWTP?

The facility discharges under NPDES permit CA0054372, currently effective, expiring June 2029.

Is Avalon WWTP in compliance?

Discharge monitoring reports show 12 violations at Avalon WWTP in the last three years, 9 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Avalon WWTP and how do I contact them?

Avalon WWTP is a publicly owned treatment works in Avalon, California. Klarifi lists 5 verified decision-maker contacts for this facility, available with a free trial.

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Avalon WWTP

25 Pebbly Beach Road, Avalon, CA 90704 · 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 12 recorded violations in the last three years.

Treatment technology

Treatment structures and unit processes at Avalon WWTP.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 12

Effluent violations: 9

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.

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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 October 26, 2026; facility record last updated December 9, 2024.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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