Clean Water Act discharge permit · NPDES MIG250463

RAVENNA DUCTILE IRON, Ravenna, MI: NPDES MIG250463 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
0Pollutants with an effluent exceedance

RAVENNA DUCTILE IRON, held by Ravenna Ductile Iron LLC, holds NPDES permit MIG250463, which discharges to Crockery Creek. EPA’s file records it issued March 30, 2020 and expiring April 1, 2023. 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	RAVENNA DUCTILE IRON
Permittee as filed	Ravenna Ductile Iron LLC
NPDES ID	MIG250463
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 30, 2020
Expiration date	April 1, 2023
Issuing agency	State
Address	Ravenna, MI 49451
Receiving water	Crockery Creek
Receiving water impaired	303(D) Listed
Subwatershed	Rio Grande Creek-Crockery Creek (HUC 040500060603)
NAICS	331511 – Iron Foundries
SIC	3321 – Gray And Ductile Iron Foundries
Other EPA IDs (FRS)	RCRA handler MID020903753; ICIS-AIR source MI00000000000N5866

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

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
0With 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
pH	4	14
Flow, in conduit or thru treatment plant	4	13
Temperature, water deg. fahrenheit	2	7
Outfall observation,visual, y/n response	2	6

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MIG250463.

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

3Single-event violations

Date	What EPA recorded	Agency
April 21, 2025	Reporting Violations - Late Submittal of DMRs	ST6
October 11, 2024	Management Practice Violations - Failure to Maintain Records	ST6
June 21, 2024	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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MIG250463.

Start the watch

How we handle your data → Privacy

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 MIG250463 there.

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 MIG250463 for RAVENNA DUCTILE IRON in Ravenna, MI, held by Ravenna Ductile Iron LLC, which discharges to Crockery Creek, a 303(D) listed receiving water. The permit is listed as administratively continued, with a Minor discharger class of 4, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance. The permit was issued March 30, 2020 with an expiration date of April 1, 2023, and the subwatershed is listed as HUC 040500060603.