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Clean Water Act discharge permit · NPDES MIS211263

MNP OVIDON MANUFACTURING LLC, Howell, MI: NPDES MIS211263 discharge permit, effluent exceedances, inspections, penalties

MNP OVIDON MANUFACTURING LLC, held by Ovidon Manufacturing Company, holds NPDES permit MIS211263. EPA’s file records it issued May 13, 2025 and expiring April 1, 2027.

MNP OVIDON MANUFACTURING LLC, Howell, Michigan: Coverage under a general permit MIS211263, held by Ovidon Manufacturing Company; Effective; issued May 13, 2025, term to April 1, 2027, by State.

MNP OVIDON MANUFACTURING LLC among its neighbors

EPA’s permit file holds 19 discharge permits in the Marion and Genoa Drain-South Branch Shiawasee River subwatershed (HUC 040802030101), MIS211263 among them.

Other permits in the Marion and Genoa Drain-South Branch Shiawasee River subwatershed (HUC 040802030101)

  • ALUDYNE NORTH AMERICA INC, Howell: MIS210076, minor permit, discharging to South Branch Shiawassee River, permit term to March 31, 2027
  • ASPLUNDH TREE-HOWELL NUISANCE PLANT, Howell: MIG031075, minor permit, permit term to February 1, 2022
  • CHEM-TREND LP-GRAND RIVER, Howell: MI0041718, minor permit, discharging to Marion and Genoa Drain, permit term to October 1, 2023
  • CHEM-TREND LP-MCPHERSON, Howell: MIG250082, minor permit, discharging to South Branch Shiawassee River, permit term to April 1, 2023
  • CHEM-TREND LP-MCPHERSON, Howell: MIS220119, minor permit, discharging to South Branch Shiawassee River, permit term to April 1, 2027
  • GENOA-OCEOLA WWTP, Howell: MI0055654, minor permit, discharging to Marion and Genoa Drain, permit term to October 1, 2021
  • HOWELL MS4-LIVINGSTON, Howell: MIS040064, minor permit, permit term to April 1, 2008
  • HOWELL WTP, Howell: MIG640051, minor permit, discharging to Marion and Genoa Drain, permit term to April 1, 2020
  • HOWELL WWTP, Howell: MI0021113, major permit, discharging to Marion and Genoa Drain, permit term to October 1, 2023
  • LIVINGSTON CRC MS4, Howell: MIG610201, minor permit, permit term to April 1, 2008

What the register holds for MNP OVIDON MANUFACTURING LLC: its NPDES ID, its permit type and status, its dates, its address in Howell, Michigan. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS211263.

Identity

Facility as filedMNP OVIDON MANUFACTURING LLC
Permittee as filedOvidon Manufacturing Company
NPDES IDMIS211263
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 13, 2025
Expiration dateApril 1, 2027
Issuing agencyState
AddressHowell, MI 48843
SubwatershedMarion and Genoa Drain-South Branch Shiawasee River (HUC 040802030101)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS211263.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MIS211263.

Inspections

EPA’s inspection file holds no inspection for NPDES MIS211263.

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 MIS211263.

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, MIS211263.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The MNP OVIDON MANUFACTURING LLC general permit coverage in Howell, Michigan, is one of 11 general permit coverages in the city, and 36.4% of those coverages have a violation on file. Among all 11 Howell general permit coverages, 63.6% were issued earlier than this one, and it sits among 19 NPDES permits in the Marion and Genoa Drain-South Branch Shiawasee River subwatershed; it has no pollutants under a numeric limit and no effluent exceedances on record.