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Sedalia Central WWTP

2900 West Main Street, Sedalia, MO 65301 · Pettis County · Publicly Owned Treatment Works

Average flow
1.88 MGD
Design flow
—
NPDES permit
MO0023019
Effective
Permit expires
October 2028
Population served
30,300
CWNS 2022

Sedalia Central WWTP is a publicly owned wastewater treatment works in Sedalia, Pettis County, Missouri treating an average of 1.88 million gallons per day, serving about 30,300 residents. It discharges under NPDES permit MO0023019 (effective), which expires in October 2028, with 52 recorded violations in the last three years. EPA has recorded 4 formal enforcement actions naming the plant, the latest in July 2005.

Treatment technology

9 treatment structures and unit processes identified at Sedalia Central WWTP.

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Compliance snapshot (last 3 years)

Total violations
52
Effluent violations
48

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Sedalia Central WWTP in EPA's ICIS system.

Formal actions
4
0 since FY2020
Penalties assessed
$53,500
all cases
EPA inspections
0
none on record

Latest case · Jul 2005

CITY OF SEDALIA D/B/A SEDALIA WATER TREATMENT PLANT

Administrative order · CAA, General Duty/Accidental Release · Final Order With Penalty · Penalty $3,500

Source: EPA ECHO, civil enforcement case 07-2005-0328.

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Every action against Sedalia Central WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

3 verified contacts for Sedalia Central WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Sedalia Central WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Missouri

Sedalia North WWTP

Sedalia · 1 mi away

1.04 MGD

Sedalia Southeast WWTP

Sedalia · 5 mi away

2.48 MGD

Hughesville WWTF

Hughesville · 9 mi away

0.008 MGD

La Monte SE WWTF

La Monte · 9 mi away

0.04 MGD

La Monte NW WWTF

La Monte · 10 mi away

0.01 MGD

Green Ridge WWTF

Green Ridge · 10 mi away

0.03 MGD

Houstonia WWTP

Houstonia · 14 mi away

0.01 MGD

Otterville Pws-Well # 1

Otterville · 15 mi away

0.02 MGD

Sedalia Central 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 12, 2026; facility record last updated September 26, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms


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