Clean Water Act discharge permit · NPDES MO0088927

RICHWOODS R-7 WWTP, Richwoods, MO: NPDES MO0088927 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance

RICHWOODS R-7 WWTP, held by Richwoods R-VII School District, holds NPDES permit MO0088927, which discharges to Tributary To L. Indian Cr.. EPA’s file records it issued October 1, 2018 and expiring December 31, 2022. 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	RICHWOODS R-7 WWTP
Permittee as filed	Richwoods R-VII School District
NPDES ID	MO0088927
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	October 1, 2018
Expiration date	December 31, 2022
Address	Richwoods, MO 63071
Receiving water	Tributary to L. Indian Cr.
Subwatershed	Little Indian Creek (HUC 071401020603)
SIC	8211 – Elementary And Secondary Schools

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

8Pollutants on file
6Under a numeric limit
8With a violation of any kind
4With 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
Nitrogen, ammonia total [as N]	4	10	8	September 30, 2023	2,700% over the limit
Solids, total suspended	2	4	2	June 30, 2023	27% over the limit
E. coli	2	3	1	June 30, 2021	58% over the limit
E. coli, colony forming units [CFU]	0	1	1	September 30, 2012	299% over the limit
pH	2	7	0
BOD, 5-day, 20 deg. C	2	2	0
Flow, in conduit or thru treatment plant	2	2	0
Oil and grease [soxhlet extr.] tot.	0	2	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

2Single-event violations

Date	What EPA recorded	Agency
April 3, 2025	Reporting Violations - Improper/ Incorrect Reporting	ST6
December 27, 2022	Effluent Violations - Numeric effluent violation	ST6

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.

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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 MO0088927 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 MO0088927 for RICHWOODS R-7 WWTP in Richwoods, MO, held by Richwoods R-VII School District and listed as administratively continued. The facts list a discharger class of 6, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance.