El Centro WWTP
2255 La Brucherie Road, El Centro, CA 92243 · Imperial County · Publicly Owned Treatment Works
- Average flow
- 3.52 MGD
- Design flow
- 8 MGD
- NPDES permit
- CA0104426
- Expired
- Permit expires
- March 2024
- Population served
- 39,493
- CWNS 2022
El Centro WWTP is a publicly owned wastewater treatment works in El Centro, Imperial County, California treating an average of 3.52 million gallons per day against a permitted design capacity of 8 MGD, serving about 39,493 residents. It discharges under NPDES permit CA0104426 (expired), which expires in March 2024, with 15 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at El Centro WWTP.
Available with a free Klarifi account
See the full treatment train at El Centro WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 15
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
19 verified contacts for El Centro WWTP, with validated emails and direct phone numbers.
Unlock 19 verified contacts (16 more than shown)
Names, validated emails and direct phone numbers for decision-makers at El Centro WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Imperial · 3 mi away
1.4 MGD
Heber · 6 mi away
0.41 MGD
Seeley · 7 mi away
0.07 MGD
Holtville · 9 mi away
0.37 MGD
Calexico · 10 mi away
2.02 MGD
Imperial · 11 mi away
0.47 MGD
Brawley · 14 mi away
2.55 MGD
Westmorland · 16 mi away
0.2 MGD
El Centro 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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms