Clifton C. Williams Wastewater Treatment Facility
1600 Yeend St, Mobile, AL 36603 · Mobile County · Publicly Owned Treatment Works
- Average flow
- 19.47 MGD
- Design flow
- 28 MGD
- Permit expires
- June 2025
- Population served
- 140,000
Clifton C. Williams Wastewater Treatment Facility is a publicly owned wastewater treatment works in Mobile, Mobile County, Alabama treating an average of 19.47 million gallons per day against a permitted design capacity of 28 MGD, serving about 140,000 residents. It discharges under NPDES permit AL0023086 (administratively continued), which expires in June 2025, with 62 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in October 2011.
Treatment technology
2 treatment structures and unit processes identified at Clifton C. Williams Wastewater Treatment Facility.
Compliance snapshot (last 3 years)
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
- Total violations
- 62
- Effluent violations
- 62
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Clifton C. Williams Wastewater Treatment Facility in EPA's ICIS system.
- Formal actions
- 3
- Penalties assessed
- $123,500
- Compliance actions
- $60M
- EPA inspections
- 7
Latest case
Judicial case · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $114,000 · Compliance actions $60M
Key contacts
34 verified contacts for Clifton C. Williams Wastewater Treatment Facility, with validated emails and direct phone numbers.
Nearby wastewater treatment plants in Alabama
- Chickasaw LagoonChickasaw · 8 mi away0.47 MGD
- Stanley Brooks WWTPPrichard · 9 mi away1.3 MGD
- Saraland Wastewater Treatment PlantSaraland · 11 mi away1.11 MGD
- Satsuma Wastewater Treatment FacilitySatsuma · 12 mi away0.74 MGD
- Eliza Jordan School WWTPMobile · 15 mi away—
- Jack Hamilton Road WWTPMobile · 16 mi away—
- Westside WWTPBay Minette · 22 mi away0.35 MGD
- Harry Still Sr WWTPBay Minette · 23 mi away1.1 MGD
Clifton C. Williams Wastewater Treatment Facility: frequently asked questions
What is the address of Clifton C. Williams Wastewater Treatment Facility?
The address on the plant’s EPA facility record is 1600 Yeend St, Mobile, AL 36603, in Mobile County. Its coordinates are 30.6599, -88.0379. For some plants the record holds the utility’s mailing address rather than the plant gate.
How much wastewater does Clifton C. Williams Wastewater Treatment Facility treat?
Clifton C. Williams Wastewater Treatment Facility treats an average of 19.47 MGD and is permitted for a design flow of 28 MGD.
Has Clifton C. Williams Wastewater Treatment Facility been subject to EPA enforcement action?
EPA's enforcement records list 3 formal civil enforcement cases naming Clifton C. Williams Wastewater Treatment Facility, 0 since fiscal year 2020. The latest case reached its current status in October 2011 (judicial case, final order with penalty). Penalties assessed across the cases total $123,500. The full case history, with milestones, violation types and EPA's case summaries, is shown in Klarifi with a free account.
What treatment technology does Clifton C. Williams Wastewater Treatment Facility use?
Klarifi has identified 2 treatment structures and unit processes at the Mobile facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.
What is the NPDES permit for Clifton C. Williams Wastewater Treatment Facility?
The facility discharges under NPDES permit AL0023086, currently administratively continued, expiring June 2025.
Is Clifton C. Williams Wastewater Treatment Facility in compliance?
Discharge monitoring reports show 62 violations at Clifton C. Williams Wastewater Treatment Facility in the last three years, 62 of them effluent limit exceedances. The full history is available in Klarifi.
Who operates Clifton C. Williams Wastewater Treatment Facility and how do I contact them?
Clifton C. Williams Wastewater Treatment Facility is a publicly owned treatment works in Mobile, Alabama. Klarifi lists 34 verified decision-maker contacts for this facility, available with a free trial.
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