Fallbrook Pud WWTP No.1
Fallbrook, CA · San Diego County · Publicly Owned Treatment Works
- Average flow
- 1.07 MGD
- Design flow
- 3.6 MGD
- NPDES permit
- CA0108031
- Expired
- Permit expires
- March 2025
- Population served
- 29,352
- CWNS 2022
Fallbrook Pud WWTP No.1 is a publicly owned wastewater treatment works in Fallbrook, San Diego County, California treating an average of 1.07 million gallons per day against a permitted design capacity of 3.6 MGD, serving about 29,352 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit CA0108031 (expired), which expires in March 2025, with 258 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 258
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
8 verified contacts for Fallbrook Pud WWTP No.1, with validated emails and direct phone numbers.
Unlock 8 verified contacts (5 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Fallbrook Pud WWTP No.1, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Oceanside · 14 mi away
10.7 MGD
Carlsbad · 18 mi away
23.78 MGD
Escondido · 20 mi away
7.8 MGD
Lake Elsinore · 22 mi away
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Lake Elsinore · 23 mi away
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Cardiff · 24 mi away
1.06 MGD
Dana Point · 25 mi away
11.47 MGD
Santee · 37 mi away
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Fallbrook Pud WWTP No.1: 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 March 19, 2025.