Seeley County WWTP
Seeley, CA · Imperial County · Publicly Owned Treatment Works
- Average flow
- 0.1 MGD
- Design flow
- 0.25 MGD
- NPDES permit
- CA0105023
- Effective
- Permit expires
- July 2028
- Population served
- 1,890
- CWNS 2022
Seeley County WWTP is a publicly owned wastewater treatment works in Seeley, Imperial County, California treating an average of 0.1 million gallons per day against a permitted design capacity of 0.25 MGD, serving about 1,890 residents. Treatment on site includes aerated lagoons, uncovered lagoons, biogas balloons. It discharges under NPDES permit CA0105023 (effective), which expires in July 2028, with 267 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
- 267
- Effluent violations
- 37
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Seeley County WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Seeley County WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
El Centro · 7 mi away
3.7 MGD
Imperial · 9 mi away
1.4 MGD
Heber · 11 mi away
0.48 MGD
Calexico · 12 mi away
2.5 MGD
Holtville · 15 mi away
0.36 MGD
Westmorland · 18 mi away
0.2 MGD
Brawley · 19 mi away
—
Calipatria · 26 mi away
0.7 MGD
Seeley County 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 January 23, 2025.