Clean Water Act discharge permit · NPDES MI0023256

JACKSON WWTP, Jackson, MI: NPDES MI0023256 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
26Pollutants under a numeric limit
8Pollutants with an effluent exceedance

JACKSON WWTP, held by City of Jackson, holds NPDES permit MI0023256, which discharges to Grand River. EPA’s file records it issued January 29, 2020 and expiring October 1, 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	JACKSON WWTP
Permittee as filed	City of Jackson
NPDES ID	MI0023256
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	January 29, 2020
Expiration date	October 1, 2022
Issuing agency	State
Address	Jackson, MI 49202
Receiving water	Grand River
Receiving water impaired	303(D) Listed
Subwatershed	Hurd Narvin Drain-Grand River (HUC 040500040106)
Program components on file	Biosolids, POTW, Pretreatment
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems
Other EPA IDs (FRS)	RCRA handler MIK106891235

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

29Pollutants on file
26Under a numeric limit
27With a violation of any kind
8With 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	2	25	5	April 30, 2025	205% over the limit
Nitrogen, ammonia total [as N]	8	85	2	June 30, 2021	78% over the limit
BOD, carbonaceous [5 day, 20 C]	8	72	2	May 31, 2025	20% over the limit
Mercury, total [as Hg]	4	54	2	February 28, 2015	79,265% over the limit
Cyanide [A]	2	21	2	September 30, 2006	5% over the limit
Solids, total suspended	8	95	1	March 31, 2022	2% over the limit
Chlorine, total residual	0	12	1	November 30, 2013	111% over the limit
Oxygen, dissolved [DO]	1	11	1	July 31, 2024	2% over the limit
Phosphorus, total [as P]	4	25	0
Flow, in conduit or thru treatment plant	2	24	0
pH	2	20	0
Copper, total [as Cu]	0	11	0
Selenium, total [as Se]	0	11	0
Selenium, dry weight	3	9	0
Copper, dry weight	3	9	0
Zinc, sludge, total, dry weight [as Zn]	3	9	0
Nitrogen, sludge, total, dry weight [as N]	3	8	0
Mercury, sludge, total, dry weight [as Hg]	3	8	0
Solids, total	3	7	0
Molybdenum, sludge, total, dry weight [as Mo]	3	7	0
Lead, sludge, total, dry weight [as Pb]	3	7	0
Nickel, sludge, total, dry weight [as Ni]	3	7	0
Potassium, sludge, total, dry weight [as K]	3	7	0
Phosphorus, sludge, total, dry weight [as P]	3	7	0
Arsenic, dry weight	3	6	0
Cadmium, dry weight	3	6	0
Nitrogen, total Kjeldahl	3	6	0
Perfluorooctanoic acid (PFOA)	4	0	0
Perfluorooctanesulfonate	4	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

11Single-event violations

Date	What EPA recorded	Agency
February 24, 2025	Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)	ST6
February 20, 2025	Monitoring Violations - Analysis not Conducted	ST6
November 13, 2023	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	ST6
October 30, 2023	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	ST6
August 24, 2022	Pretreatment - Failure to Develop/Enforce Standards	ST6
August 24, 2022	Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)	ST6
March 21, 2022	Reporting Violations - Late Submittal of DMRs	ST6
December 31, 2020	Pretreatment - Failure to Develop/Enforce Standards	ST6
December 31, 2020	Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II)	ST6
September 19, 2019	Effluent Violations - Narrative Effluent Violation	ST6
December 21, 2018	Reporting Violations - Late Submittal of DMRs	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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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 MI0023256 for the JACKSON WWTP in Jackson, MI, held by City of Jackson and discharging to the Grand River, with the permit listed as administratively continued. The register lists 26 for the Major Discharger class, 8 pollutants under a numeric limit, and 8 pollutants with an effluent exceedance, and the permit file shows an issue date of January 29, 2020 and an expiration date of October 1, 2022.