Goodwill Chapel Rd, Sedalia, MO 65302 · Pettis County · Publicly Owned Treatment Works
Sedalia Southeast WWTP is a publicly owned wastewater treatment works in Sedalia, Pettis County, Missouri treating an average of 2.48 million gallons per day, serving about 21,634 residents. It discharges under NPDES permit MO0101567 (effective), which expires in October 2028, with 59 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in November 1997.
6 treatment structures and unit processes identified at Sedalia Southeast WWTP.
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See the full treatment train at Sedalia Southeast WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Sedalia Southeast WWTP in EPA's ICIS system.
Latest case · Nov 1997
CITY OF SEDALIA, MO
Administrative order · CWA, Clean Water Act · Final Order No Penalty · The case also names 1 other plant, and its amounts cover all of them
Source: EPA ECHO, civil enforcement case 07-1997-0011.
Full case history with a free Klarifi account
Every action against Sedalia Southeast WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
1 verified contact for Sedalia Southeast WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Sedalia Southeast WWTP, plus the full compliance history and discharge data.
Sedalia · 5 mi away
1.04 MGD
Sedalia · 5 mi away
1.88 MGD
Otterville · 11 mi away
0.02 MGD
Green Ridge · 13 mi away
0.03 MGD
Hughesville · 13 mi away
0.008 MGD
Ionia · 14 mi away
0.0036 MGD
La Monte · 14 mi away
0.04 MGD
Cole Camp · 15 mi away
0.2 MGD
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 12, 2026; facility record last updated August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms