Clean Water Act discharge permit · NPDES MO0100200

RICHMOND SOUTH WWTP, Richmond, MO: NPDES MO0100200 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
5Pollutants with an effluent exceedance

RICHMOND SOUTH WWTP, held by City of Richmond, holds NPDES permit MO0100200, which discharges to Tributary To Willow Creek. EPA’s file records it issued December 6, 2013 and expiring September 30, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	RICHMOND SOUTH WWTP
Permittee as filed	City of Richmond
NPDES ID	MO0100200
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 6, 2013
Expiration date	September 30, 2018
Address	Richmond, MO 64085
Receiving water	tributary to Willow Creek
Subwatershed	Willow Creek (HUC 103001010801)
SIC	4952 – Sewerage Systems

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

15Pollutants on file
9Under a numeric limit
13With a violation of any kind
5With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
E. coli, colony forming units [CFU]	2	14	14	October 31, 2014	8,773% over the limit
Solids, total suspended	5	12	6	January 31, 2008	277% over the limit
BOD, 5-day, 20 deg. C	5	11	4	March 31, 2011	16% over the limit
pH	2	9	3	April 30, 2019
Oil and grease [soxhlet extr.] tot.	2	9	3	January 31, 2025	160% over the limit
Nitrogen, total [as N]	0	8	0
Phosphorus, total [as P]	0	8	0
Nitrogen, ammonia total [as N]	6	6	0
Flow, in conduit or thru treatment plant	2	6	0
BOD, 5-day, percent removal	0	3	0
Solids, suspended percent removal	0	3	0
Toxicity [chronic], Ceriodaphnia dubia	0	1	0
Toxicity [chronic], Pimephales promelas [Fathead Minnow]	0	1	0
Toxicity [acute], Ceriodaphnia dubia	1	0	0
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	0	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0100200.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MO0100200.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MO0100200 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES MO0100200 for RICHMOND SOUTH WWTP in Richmond, MO, held by City of Richmond, which discharges to Tributary To Willow Creek in the Willow Creek watershed (HUC 103001010801). The permit is listed as administratively continued, a minor discharger class, with 9 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, based on the EPA permit file as loaded on October 14, 2026.