M'Kean Maffitt Wastewater Treatment Plant
Wilmington, NC · New Hanover County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 12 MGD
- NPDES permit
- NC0023973
- Effective
- Permit expires
- November 2026
- Population served
- 67,218
- CWNS 2022
M'Kean Maffitt Wastewater Treatment Plant is a publicly owned wastewater treatment works in Wilmington, New Hanover County, North Carolina, serving about 67,218 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit NC0023973 (effective), which expires in November 2026, with 0 recorded violations in the last three years. Planned upgrades on record: biological treatment, other.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Biogas silos
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Biological Treatment, Other
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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
1 verified contact for M'Kean Maffitt Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at M'Kean Maffitt Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in North Carolina
Leland · 5 mi away
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Navassa · 8 mi away
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Carolina Beach · 9 mi away
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Clarkton · 46 mi away
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Beulaville · 52 mi away
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Kenansville · 56 mi away
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Clinton · 62 mi away
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Roseboro · 63 mi away
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M'Kean Maffitt Wastewater Treatment Plant: 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 1, 2025.