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Chariton City Of STP

25388 482nd Street, Chariton, IA 50049 · Lucas County · Publicly Owned Treatment Works

Average flow
0.67 MGD
Design flow
2.23 MGD
NPDES permit
IA0028924
Effective
Permit expires
July 2029
Population served
4,825
CWNS 2022

Chariton City Of STP is a publicly owned wastewater treatment works in Chariton, Lucas County, Iowa treating an average of 0.67 million gallons per day against a permitted design capacity of 2.23 MGD, serving about 4,825 residents. It discharges under NPDES permit IA0028924 (effective), which expires in July 2029, with 16 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in October 2012.

Treatment technology

3 treatment structures and unit processes identified at Chariton City Of STP.

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Compliance snapshot (last 3 years)

Total violations
16
Effluent violations
16

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 Chariton City Of STP in EPA's ICIS system.

Formal actions
2
0 since FY2020
Penalties assessed
$20,000
all cases
Compliance actions
$2.6M
required by EPA orders
EPA inspections
0
none on record

Latest case · Oct 2012

CITY OF CHARITON

Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $2.6M

Source: EPA ECHO, civil enforcement case 07-2008-0210.

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Every action against Chariton City Of STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

1 verified contact for Chariton City Of STP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Chariton City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Lucas City Of STP (rathbun Regional Water Association)

Lucas · 9 mi away

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Derby City Of STP

Derby · 11 mi away

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Lacona City Of STP

Lacona · 13 mi away

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Melcher-Dallas WWTP

Melcher-Dallas · 15 mi away

0.2 MGD

Humeston City Of STP

Humeston · 15 mi away

0.13 MGD

Woodburn City Of (sirwa)

Woodburn · 16 mi away

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Chariton City Of STP: 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 February 1, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms


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