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Clean Water Act discharge permit · NPDES MIS211201

AVL TEST SYSTEMS, INC., Plymouth, MI: NPDES MIS211201 discharge permit, effluent exceedances, inspections, penalties

AVL TEST SYSTEMS, INC., held by AVL Test Systems, Incorporated, holds NPDES permit MIS211201, which discharges to Tonquish Creek. EPA’s file records it issued January 26, 2022 and expiring March 31, 2027.

AVL TEST SYSTEMS, INC., Plymouth, Michigan: Coverage under a general permit MIS211201, held by AVL Test Systems, Incorporated; Effective; issued January 26, 2022, term to March 31, 2027, by State; discharges to Tonquish Creek.

AVL TEST SYSTEMS, INC. among its neighbors

EPA’s permit file holds 26 discharge permits in the Tonquish Creek subwatershed (HUC 040900040202), MIS211201 among them.

Other permits in the Tonquish Creek subwatershed (HUC 040900040202)

What the register holds for AVL TEST SYSTEMS, INC.: its NPDES ID, its permit type and status, its dates, its address in Plymouth, Michigan, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS211201.

Identity

Facility as filedAVL TEST SYSTEMS, INC.
Permittee as filedAVL Test Systems, Incorporated
NPDES IDMIS211201
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 26, 2022
Expiration dateMarch 31, 2027
Issuing agencyState
AddressPlymouth, MI 48170
Receiving waterTonquish Creek
Receiving water impaired303(D) Listed
SubwatershedTonquish Creek (HUC 040900040202)
SIC3826 – Analytical Instruments

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS211201.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MIS211201.

Inspections

EPA’s inspection file holds no inspection for NPDES MIS211201.

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 MIS211201.

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, MIS211201.

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Nearby on the register

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

What this page shows

AVL TEST SYSTEMS, INC. holds one of 11 general permit coverages in Plymouth, Michigan, and it is one of 26 NPDES permits in the Tonquish Creek subwatershed, this one included. Of all 11 general permit coverages in Plymouth, 72.7% were issued earlier than this one, and 18.2% of those 11 coverages have a violation on file, while this permit has none of the recorded pollutants under a numeric limit or effluent exceedances.