Gravois Arm Sewer District #2
141 North Hwy 5, Gravois Mills, MO 65037 · Morgan County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- —
- NPDES permit
- MO0134821
- Effective
- Permit expires
- October 2028
- Population served
- 1,875
- CWNS 2022
Gravois Arm Sewer District #2 is a publicly owned wastewater treatment works in Gravois Mills, Morgan County, Missouri treating an average of 0.15 million gallons per day, serving about 1,875 residents. It discharges under NPDES permit MO0134821 (effective), which expires in October 2028, with 0 recorded violations in the last three years.
Treatment technology
5 treatment structures and unit processes identified at Gravois Arm Sewer District #2.
Available with a free Klarifi account
See the full treatment train at Gravois Arm Sewer District #2: 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 Gravois Arm Sewer District #2.
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Nearby wastewater treatment plants in Missouri
Rocky Mount · 7 mi away
0.02 MGD
Laurie · 8 mi away
0.05 MGD
Versailles · 9 mi away
0.46 MGD
Barnett · 9 mi away
0.0063 MGD
Sunrise Beach · 9 mi away
0.02 MGD
Four Seasons · 10 mi away
0.0073 MGD
Lake Ozark · 11 mi away
0.0073 MGD
Lake Ozark · 11 mi away
0.03 MGD
Gravois Arm Sewer District #2: 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 September 4, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms