Clean Water Act discharge permit · NPDES MO0095567

STEELVILLE WWTP, Steelville, MO: NPDES MO0095567 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
19Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

STEELVILLE WWTP, held by City of Steelville, holds NPDES permit MO0095567, which discharges to Tributary To Whittenburg Cr.. EPA’s file records it issued May 7, 2018 and expiring December 31, 2022.

STEELVILLE WWTP, Steelville, Missouri: Individual permit MO0095567, held by City of Steelville; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued May 7, 2018, term to December 31, 2022; discharges to Tributary to Whittenburg Cr..

Nitrogen, ammonia total [as N]: 4 limits, 12 violations of any kind, 6 effluent exceedances, latest March 31, 2018, largest 465% over the limit.
Oil and grease [soxhlet extr.] tot.: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest August 31, 2007, largest 79% over the limit.
BOD, 5-day, 20 deg. C: 2 limits, 7 violations of any kind, 1 effluent exceedance, latest March 31, 2015, largest 13% over the limit.
Solids, suspended percent removal: 1 limit, 4 violations of any kind, 1 effluent exceedance, latest June 30, 2025, largest 113% over the limit.
Nitrogen, total [as N]: 4 limits, 26 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 4 limits, 12 violations of any kind, 0 effluent exceedances.
pH: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Hardness, total [as CaCO3]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Silver total recoverable: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Zinc, total recoverable: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Copper, total recoverable: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Chromium, hexavalent dissolved [as Cr]: 2 limits, 6 violations of any kind, 0 effluent exceedances.
Chromium, trivalent total recoverable: 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.
E. coli: 2 limits, 6 violations of any kind, 0 effluent exceedances.
BOD, 5-day, percent removal: 1 limit, 3 violations of any kind, 0 effluent exceedances.
Toxicity [acute], Ceriodaphnia dubia: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Toxicity [acute], Pimephales promelas [Fathead Minnow]: 1 limit, 1 violation of any kind, 0 effluent exceedances.

June 17, 2025: Effluent Violations - Narrative Effluent Violation (ST6).
June 17, 2025: Management Practice Violations - Improper Operation and Maintenance (ST6).
November 16, 2023: Reporting Violations - Failure to Submit DMRs (ST6).
May 6, 2022: Reporting Violations - Improper/ Incorrect Reporting (ST6).

Missouri holds 756 Publicly owned treatment works coverages of this permit type in EPA’s file; 368 were issued before MO0095567.

Coverages issued nearest MO0095567

April 25, 2018: FCPWSD NO. 1 KRAKOW AREA WWTF, Washington, MO0126241, held by PWSD No. 1 of Franklin County, Missouri
April 25, 2018: FCPWSD NO.1 BAUCKY VIEW SUBD WWTP, Union, MO0131431, held by PWSD No. 1 of Franklin County, Missouri
May 1, 2018: MILAN WWTP, Milan, MO0048151, held by City of Milan
May 1, 2018: CLEVER WWTF, Clever, MO0102318, held by City of Clever
May 2, 2018: BARNARD WWTF, Barnard, MO0041190, held by City of Barnard
May 9, 2018: PICKERING WWTF, Pickering, MO0130133, held by City of Pickering
May 11, 2018: WHEELING WWTF, Wheeling, MO0097608, held by City of Wheeling
May 14, 2018: CHULA WWTF, Chula, MO0091146, held by City of Chula
May 15, 2018: LCPWSD #3, CEDARS BUSINESS PARK WWTP, Lebanon, MO0132136, held by Laclede County PWSD #3
May 16, 2018: MAWC, EUREKA WWTF, Eureka, MO0039659, held by City of Eureka

STEELVILLE WWTP among its neighbors

EPA’s permit file holds 7 discharge permits in the Whittenburg Creek subwatershed (HUC 071401020501), MO0095567 among them. Its county holds 100, 1 of them major permits; MO0095567 is a minor permit.

Other permits in the Whittenburg Creek subwatershed (HUC 071401020501)

ARNESON TIMBER COMPANY, Steelville: MOR22A041, minor permit, discharging to Tributary to Whittenburg Cr., permit term to September 16, 2024
MERRITTS SAWMILL, Steelville: MOR22A024, minor permit, discharging to Tributary to Whittenburg Cr., permit term to August 31, 2019
RICHARDS WOOD PRODUCTS INC, Steelville: MOR22A124, minor permit, discharging to Whittenburg Creek, permit term to August 31, 2019
STEELVILLE MANUFACTURING CO, Steelville: MONX00729, minor permit, permit term to August 20, 2024
STEELVILLE MANUFACTURING COMPANY BLDG 2, Steelville: MONX00650, minor permit, permit term to November 28, 2023
STEELVILLE MFG CO. BLDGS 1, 2 AND 3, Steelville: MONX00649, minor permit, permit term to November 28, 2023

Identity

Facility as filed	STEELVILLE WWTP
Permittee as filed	City of Steelville
NPDES ID	MO0095567
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	May 7, 2018
Expiration date	December 31, 2022
Address	Steelville, MO 65565
Receiving water	Tributary to Whittenburg Cr.
Subwatershed	Whittenburg Creek (HUC 071401020501)
SIC	4952 – Sewerage Systems

Effluent limits and exceedances

19Pollutants on file
19Under a numeric limit
19With 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	12	6	March 31, 2018	465% over the limit
Oil and grease [soxhlet extr.] tot.	2	8	2	August 31, 2007	79% over the limit
BOD, 5-day, 20 deg. C	2	7	1	March 31, 2015	13% over the limit
Solids, suspended percent removal	1	4	1	June 30, 2025	113% over the limit
Nitrogen, total [as N]	4	26	0
Phosphorus, total [as P]	4	12	0
pH	2	6	0
Solids, total suspended	2	6	0
Hardness, total [as CaCO3]	2	6	0
Silver total recoverable	2	6	0
Zinc, total recoverable	2	6	0
Copper, total recoverable	2	6	0
Chromium, hexavalent dissolved [as Cr]	2	6	0
Chromium, trivalent total recoverable	2	6	0
Flow, in conduit or thru treatment plant	2	6	0
E. coli	2	6	0
BOD, 5-day, percent removal	1	3	0
Toxicity [acute], Ceriodaphnia dubia	1	1	0
Toxicity [acute], Pimephales promelas [Fathead Minnow]	1	1	0

Inspections, violations and enforcement

4Single-event violations

Date	What EPA recorded	Agency
June 17, 2025	Effluent Violations - Narrative Effluent Violation	ST6
June 17, 2025	Management Practice Violations - Improper Operation and Maintenance	ST6
November 16, 2023	Reporting Violations - Failure to Submit DMRs	ST6
May 6, 2022	Reporting Violations - Improper/ Incorrect Reporting	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES MO0095567.

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 MO0095567.

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

This public-records page covers the Clean Water Act discharge permit NPDES MO0095567 for the STEELVILLE WWTP in Steelville, MO, held by City of Steelville, which discharges to Tributary To Whittenburg Cr. The register lists the permit as administratively continued, with a discharger class of 19 and 4 pollutants with an effluent exceedance under a numeric limit. The permit's issue and expiration dates are shown as May 7, 2018 and December 31, 2022, as of October 14, 2026.