Clean Water Act discharge permit · NPDES MO0113972

GRANDIN WWTF, Grandin, MO: NPDES MO0113972 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
9Pollutants with an effluent exceedance

GRANDIN WWTF, held by City of Grandin, holds NPDES permit MO0113972, which discharges to N. Prong L. Black R.. EPA’s file records it issued August 9, 2017 and expiring December 31, 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	GRANDIN WWTF
Permittee as filed	City of Grandin
NPDES ID	MO0113972
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	August 9, 2017
Expiration date	December 31, 2018
Address	Grandin, MO 63943
Receiving water	N. Prong L. Black R.
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

11Pollutants on file
8Under a numeric limit
11With a violation of any kind
9With 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]	0	18	18	September 30, 2015	18,313% over the limit
pH	2	28	11	March 31, 2020
Solids, total suspended	2	19	7	March 31, 2019	176% over the limit
Coliform, fecal general	0	6	6	August 31, 2011	1,750% over the limit
BOD, 5-day, percent removal	1	9	3	December 31, 2018	140% over the limit
Solids, suspended percent removal	1	9	3	December 31, 2018	143% over the limit
Ammonia [as N] + unionized ammonia	0	3	3	March 31, 2016	72% over the limit
Nitrogen, ammonia total [as N]	4	14	2	March 31, 2021	96% over the limit
BOD, 5-day, 20 deg. C	2	13	1	May 31, 2017	14% over the limit
Flow, in conduit or thru treatment plant	2	12	0
E. coli	2	10	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

1Single-event violations

Date	What EPA recorded	Agency
July 30, 2018	Permit Violations - Violation Specified in Comment	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 MO0113972 there.

Nearby on the register

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

This public-records page covers the NPDES MO0113972 discharge permit held by the City of Grandin for the GRANDIN WWTF in Grandin, MO, which discharges to N. Prong L. Black R. The page lists a permit status of Administratively continued, a Minor Discharger class, 8 pollutants under a numeric limit, and 9 pollutants with an effluent exceedance.