Humphreys WWTF
PO Box 73, Humphreys, MO 64646 · Sullivan County · Publicly Owned Treatment Works
- Average flow
- 0.01 MGD
- Design flow
- —
- NPDES permit
- MO0119750
- Administratively continued
- Permit expires
- January 2023
- Population served
- 66
- CWNS 2022
Humphreys WWTF is a publicly owned wastewater treatment works in Humphreys, Sullivan County, Missouri treating an average of 0.01 million gallons per day, serving about 66 residents. It discharges under NPDES permit MO0119750 (administratively continued), which expires in January 2023, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified, 1 planned upgrade on record at Humphreys WWTF.
Available with a free Klarifi account
See the full treatment train at Humphreys WWTF: 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 Humphreys WWTF.
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Milan · 12 mi away
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Purdin · 14 mi away
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Spickard · 16 mi away
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Chula · 17 mi away
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Linneus · 20 mi away
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Green City · 22 mi away
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Humphreys WWTF: 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 19, 2026; facility record last updated August 14, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms