Philip Q Maiorana WWTP
Lorain, OH · Lorain County · Publicly Owned Treatment Works
- Average flow
- 1.58 MGD
- Design flow
- 5.4 MGD
- NPDES permit
- OH0089672
- Effective
- Permit expires
- December 2030
- Population served
- 16,500
- CWNS 2022
Philip Q Maiorana WWTP is a publicly owned wastewater treatment works in Lorain, Lorain County, Ohio treating an average of 1.58 million gallons per day against a permitted design capacity of 5.4 MGD, serving about 16,500 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit OH0089672 (effective), which expires in December 2030, with 7 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
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Philip Q Maiorana WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Philip Q Maiorana WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Amherst · 2 mi away
1.19 MGD
Lorain · 5 mi away
7.69 MGD
Vermilion · 6 mi away
0.76 MGD
Elyria · 6 mi away
0.02 MGD
Elyria · 8 mi away
5.49 MGD
North Ridgeville · 9 mi away
4.98 MGD
Oberlin · 10 mi away
1.05 MGD
Vermilion · 10 mi away
0.0002 MGD
Philip Q Maiorana 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 March 5, 2025.