City Of Somerton - WWTP
Somerton, AZ · Yuma County · Publicly Owned Treatment Works
- Average flow
- 0.65 MGD
- Design flow
- 1.8 MGD
- NPDES permit
- AZ0026603
- Effective
- Permit expires
- December 2029
- Population served
- —
- CWNS 2022
City Of Somerton - WWTP is a publicly owned wastewater treatment works in Somerton, Yuma County, Arizona treating an average of 0.65 million gallons per day against a permitted design capacity of 1.8 MGD. Treatment on site includes clarifiers. It discharges under NPDES permit AZ0026603 (effective), which expires in December 2029, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for City Of Somerton - WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Somerton - WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Arizona
Yuma · 10 mi away
7.27 MGD
Yuma · 11 mi away
0.12 MGD
Quartzsite · 82 mi away
0.2 MGD
Parker · 110 mi away
0.54 MGD
Gila Bend · 118 mi away
0.18 MGD
Buckeye · 135 mi away
1.38 MGD
Buckeye · 135 mi away
0.28 MGD
Buckeye · 140 mi away
2.02 MGD
City Of Somerton - 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 November 3, 2025.