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Los Coyotes Water Reclamation Plant

Cerritos, CA · Los Angeles County · Publicly Owned Treatment Works

Average flow
Design flow
37.5 MGD
NPDES permit
3603005447
Effective
Permit expires
January 2027

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Aerated lagoons

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Compliance snapshot (last 3 years)

Total violations
2
Effluent violations
1

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Contacts for Los Coyotes Water Reclamation Plant are available in the Klarifi platform.

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Names, validated emails and direct phone numbers for decision-makers at Los Coyotes Water Reclamation Plant — plus full compliance history and discharge data.

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Nearby wastewater treatment plants in California

Long Beach Water Reclamation Plant

Long Beach · 6 mi away

5.65 MGD

Whittier Narrows Water Reclamation Plant

South El Monte · 11 mi away

9.71 MGD

158.33 MGD

Terminal Island Treatment Plant

San Pedro · 13 mi away

9.73 MGD

Orange County Sanitation District Plant 1

Fountain Valley · 16 mi away

78.79 MGD

Hyperion Treatment Plant

Playa Del Rey · 19 mi away

216.5 MGD

5.45 MGD

Michelson Treatment Plant

Irvine · 21 mi away

9.82 MGD


Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated September 2025.

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