Williamston WWTP
End Of Ncsr 1581 Willow D, Williamston, NC 27892 · Martin County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1.68 MGD
- NPDES permit
- NC0020044
- Effective
- Permit expires
- May 2028
- Population served
- 5,128
- CWNS 2022
Williamston WWTP is a publicly owned wastewater treatment works in Williamston, Martin County, North Carolina, serving about 5,128 residents. It discharges under NPDES permit NC0020044 (effective), which expires in May 2028, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Williamston WWTP.
Available with a free Klarifi account
See the full treatment train at Williamston WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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
Decision-makers at Williamston WWTP.
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Nearby wastewater treatment plants in North Carolina
Robersonville · 13 mi away
0.28 MGD
Tarboro · 29 mi away
1.46 MGD
Scotland Neck · 29 mi away
—
Pinetops · 33 mi away
0.1 MGD
Hertford · 39 mi away
—
Vanceboro · 39 mi away
0.15 MGD
Grifton · 40 mi away
1.52 MGD
Maury · 41 mi away
0.14 MGD
Williamston 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 October 26, 2026; facility record last updated October 8, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms