Clean Water Act discharge permit · NPDES MI0020478

SPARTA WWTP, Sparta, MI: NPDES MI0020478 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
30Pollutants under a numeric limit
9Pollutants with an effluent exceedance

SPARTA WWTP, held by Village of Sparta, holds NPDES permit MI0020478, which discharges to Rogue River. EPA’s file records it issued December 22, 2016 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	SPARTA WWTP
Permittee as filed	Village of Sparta
NPDES ID	MI0020478
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	December 22, 2016
Expiration date	October 1, 2022
Issuing agency	State
Address	Sparta, MI 49345
Receiving water	Rogue River
Receiving water impaired	303(D) Listed
Subwatershed	Nash Creek (HUC 040500060404)
Program components on file	Biosolids, POTW
NAICS	221320 – Sewage Treatment Facilities
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

30Pollutants on file
30Under a numeric limit
30With 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
Chlorine, total residual	1	26	9	August 31, 2023	1,321% over the limit
Nitrogen, ammonia total [as N]	2	82	8	April 30, 2021	106% over the limit
Phosphorus, total [as P]	4	166	6	March 31, 2026	34% over the limit
Coliform, fecal general	2	39	6	May 31, 2019	1,008% over the limit
BOD, carbonaceous [5 day, 20 C]	8	316	3	July 31, 2019	40% over the limit
Mercury, total [as Hg]	6	27	2	January 31, 2025	11% over the limit
TU Static 24 Hr Acute Pimephales promelas	1	7	2	January 31, 2023	5% over the limit
Oxygen, dissolved [DO]	2	21	1	July 31, 2022	5% over the limit
Solids, suspended percent removal	2	12	1	March 31, 2026	13% over the limit
Solids, total suspended	4	313	0
Flow, in conduit or thru treatment plant	2	41	0
pH	2	27	0
Solids, total	3	9	0
Arsenic, dry weight	3	9	0
Selenium, dry weight	3	9	0
Copper, dry weight	3	9	0
Cadmium, dry weight	3	9	0
Nitrogen, total Kjeldahl	3	9	0
Molybdenum, sludge, total, dry weight [as Mo]	3	9	0
Zinc, sludge, total, dry weight [as Zn]	3	9	0
Lead, sludge, total, dry weight [as Pb]	3	9	0
Nickel, sludge, total, dry weight [as Ni]	3	9	0
Nitrogen, sludge, total, dry weight [as N]	3	9	0
Mercury, sludge, total, dry weight [as Hg]	3	9	0
Potassium, sludge, total, dry weight [as K]	3	9	0
Phosphorus, sludge, total, dry weight [as P]	3	9	0
BOD, carb-5 day, 20 deg C, percent removal	2	6	0
Toxicity [acute], Ceriodaphnia dubia	1	5	0
Toxic Units Static 24 Hr Acute Ceriodaphnia dubia	1	5	0
TU Static 24 Hr Acute Daphnia magna	1	5	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
April 16, 2024	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
August 21, 2022	Reporting Violations - Late Submittal of DMRs	ST6
March 21, 2022	Reporting Violations - Late Submittal of DMRs	ST6
February 21, 2022	Reporting Violations - Late Submittal of DMRs	ST6
August 10, 2021	WW SSO - Discharge to Waters	ST6
August 10, 2021	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
July 22, 2021	WW SSO - Discharge to Waters	ST6
July 22, 2021	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
June 9, 2021	WW SSO - Discharge to Waters	ST6
June 9, 2021	Wet-weather SSO discharge to waters of the U.S. that may endanger health or the environment	ST6
April 8, 2020	Management Practice Violations - Improper Operation and Maintenance	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 the Clean Water Act discharge permit NPDES MI0020478 for SPARTA WWTP in Sparta, MI, held by the Village of Sparta and discharging to the Rogue River, with its status shown as administratively continued. The register lists 30 as the pollutant class count under a numeric limit, 9 pollutants with an effluent exceedance, and the permit's issue and expiration dates as filed in EPA's permit file.