Clean Water Act discharge permit · NPDES MO0026298

PLATTE CITY WWTP, Platte City, MO: NPDES MO0026298 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
13Pollutants under a numeric limit
6Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

PLATTE CITY WWTP, held by City of Platte City, holds NPDES permit MO0026298, which discharges to Platte River. EPA’s file records it issued October 18, 2016 and expiring June 30, 2020.

PLATTE CITY WWTP, Platte City, Missouri: Individual permit MO0026298, held by City of Platte City; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued October 18, 2016, term to June 30, 2020; discharges to Platte River.

Coliform, fecal general: 0 limits, 37 violations of any kind, 7 effluent exceedances, latest October 31, 2012, largest 7,400% over the limit.
Solids, total suspended: 3 limits, 12 violations of any kind, 5 effluent exceedances, latest September 30, 2013, largest 96% over the limit.
Oil and grease [soxhlet extr.] tot.: 2 limits, 106 violations of any kind, 4 effluent exceedances, latest March 31, 2022, largest 99,999% over the limit.
BOD, 5-day, 20 deg. C: 3 limits, 14 violations of any kind, 4 effluent exceedances, latest October 31, 2012, largest 87% over the limit.
Ammonia [as N] + unionized ammonia: 0 limits, 89 violations of any kind, 1 effluent exceedance, latest April 30, 2011, largest 100% over the limit.
Solids, suspended percent removal: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest March 31, 2021, largest 42% over the limit.
Nitrogen, ammonia total [as N]: 4 limits, 132 violations of any kind, 0 effluent exceedances.
E. coli, colony forming units [CFU]: 0 limits, 58 violations of any kind, 0 effluent exceedances.
Zinc, total recoverable: 0 limits, 20 violations of any kind, 0 effluent exceedances.
Nitrogen, total [as N]: 4 limits, 8 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 4 limits, 8 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 6 violations of any kind, 0 effluent exceedances.
BOD, 5-day, percent removal: 0 limits, 1 violation of any kind, 0 effluent exceedances.
E. coli: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Ceriodaphnia dubia: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Pimephales promelas [Fathead Minnow]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Toxicity [chronic], Ceriodaphnia dubia: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 1 limit, 0 violations of any kind, 0 effluent exceedances.

Missouri holds 756 Publicly owned treatment works coverages of this permit type in EPA’s file; 138 were issued before MO0026298. City of Platte City holds 2 permits in Missouri.

Other permits held by City of Platte City

CITY OF PLATTE CITY, Platte City: MOL026298, issued January 1, 2021

Coverages issued nearest MO0026298

October 5, 2016: BOURBON WWTP, Bourbon, MO0094765, held by City of Bourbon
October 6, 2016: ELMO WWTF, Elmo, MO0094366, held by City of Elmo
October 6, 2016: LONE JACK WWTF, Lone Jack, MO0123579, held by City of Lone Jack
October 14, 2016: IRONDALE WWTF, Irondale, MO0109568, held by City of Irondale
October 17, 2016: BUNKER WWTF, Bunker, MO0117951, held by City of Bunker
October 25, 2016: KNOB NOSTER VALLEY HILL WWTF, Knob Noster, MO0054496, held by City of Knob Noster
October 28, 2016: TROY HWY 47 WWTP, Troy, MO0054623, held by City of Troy
November 8, 2016: MORRISON WASTEWATER TREATMENT FACILITY, Morrison, MO0119016, held by City of Morrison
November 10, 2016: LCPWSD NO. 1 GREEN ACRES WWTF, Old Monroe, MO0099228, held by Lincoln County PWSD 1
November 14, 2016: DIXON WWTP, Dixon, MO0100129, held by City of Dixon

PLATTE CITY WWTP among its neighbors

EPA’s permit file holds 7 discharge permits in the Platte River subwatershed (HUC 102400120903), MO0026298 among them. Its county holds 214, 5 of them major permits; MO0026298 is a major permit.

Other permits in the Platte River subwatershed (HUC 102400120903)

CITY OF PLATTE CITY, Platte City: MOL026298, minor permit, permit term to December 31, 2025
COMPASS ELEMENTARY SCHOOL, Platte City: MORA29208, minor permit, discharging to Tributary to Gibson Branch, permit term to February 7, 2027
OZARK READY MIX PLATTE COUNTY, Platte City: MOG490918, minor permit, discharging to Tributary to Platte R., permit term to April 30, 2027
PCRSD, Tracy: MOL122441, minor permit, permit term to December 31, 2025
PLATTE COUNTY HIGH SCHOOL, Platte City: MORA28079, minor permit, discharging to Tributary to Gibson Branch, permit term to February 7, 2027
SEVEN BRIDGES PHASES 7A AND 7B, Platte City: MORA16411, minor permit, discharging to Tributary to Platte R., permit term to February 7, 2022

Identity

Facility as filed	PLATTE CITY WWTP
Permittee as filed	City of Platte City
NPDES ID	MO0026298
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Major discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	October 18, 2016
Expiration date	June 30, 2020
Address	Platte City, MO 64079
Receiving water	Platte River
Receiving water impaired	303(D) Listed
Subwatershed	Platte River (HUC 102400120903)
Program components on file	Biosolids, POTW, Pretreatment
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

19Pollutants on file
13Under a numeric limit
14With a violation of any kind
6With 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
Coliform, fecal general	0	37	7	October 31, 2012	7,400% over the limit
Solids, total suspended	3	12	5	September 30, 2013	96% over the limit
Oil and grease [soxhlet extr.] tot.	2	106	4	March 31, 2022	99,999% over the limit
BOD, 5-day, 20 deg. C	3	14	4	October 31, 2012	87% over the limit
Ammonia [as N] + unionized ammonia	0	89	1	April 30, 2011	100% over the limit
Solids, suspended percent removal	0	1	1	March 31, 2021	42% over the limit
Nitrogen, ammonia total [as N]	4	132	0
E. coli, colony forming units [CFU]	0	58	0
Zinc, total recoverable	0	20	0
Nitrogen, total [as N]	4	8	0
Phosphorus, total [as P]	4	8	0
pH	2	6	0
Flow, in conduit or thru treatment plant	2	6	0
BOD, 5-day, percent removal	0	1	0
E. coli	2	0	0
Toxicity [acute], Ceriodaphnia dubia	2	0	0
Toxicity [acute], Pimephales promelas [Fathead Minnow]	2	0	0
Toxicity [chronic], Ceriodaphnia dubia	1	0	0
Toxicity [chronic], Pimephales promelas [Fathead Minnow]	1	0	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MO0026298.

Inspections

EPA’s inspection file holds no inspection for NPDES MO0026298.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MO0026298.

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

This public-records page covers the NPDES MO0026298 Clean Water Act discharge permit held by City of Platte City for the PLATTE CITY WWTP in Platte City, MO, which discharges to the Platte River and is administratively continued past its June 30, 2020 expiration. The page lists 13 pollutants under a numeric limit and 6 pollutants with an effluent exceedance, with the permit classed as a Major Discharger.