Howard Seymour Water Reclamation Plant
Lewes, DE · Sussex County · Publicly Owned Treatment Works
- Average flow
- 1.05 MGD
- Design flow
- —
- NPDES permit
- DE0021512
- Expired
- Permit expires
- October 2023
- Population served
- 8,269
- CWNS 2022
Howard Seymour Water Reclamation Plant is a publicly owned wastewater treatment works in Lewes, Sussex County, Delaware treating an average of 1.05 million gallons per day, serving about 8,269 residents. Treatment on site includes clarifiers. It discharges under NPDES permit DE0021512 (expired), which expires in October 2023, with 1 recorded violation 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
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Howard Seymour Water Reclamation Plant.
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Frankford · 18 mi away
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Selbyville · 22 mi away
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Seaford · 28 mi away
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Laurel · 28 mi away
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Port Penn · 56 mi away
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Delaware City · 60 mi away
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Wilmington · 69 mi away
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Howard Seymour Water Reclamation 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 August 3, 2026.