Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
One more press on the next page sends it; there is no link to click in an email. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MIS510804

MASS TRANS AUTH-GRAND BLANC, Flint, MI: NPDES MIS510804 discharge permit, effluent exceedances, inspections, penalties

MASS TRANS AUTH-GRAND BLANC, held by Mass Transit Authority, holds NPDES permit MIS510804, which discharges to Thread Creek. EPA’s file records it issued May 19, 2020 and expiring April 1, 2025.

MASS TRANS AUTH-GRAND BLANC, Flint, Michigan: Coverage under a general permit MIS510804, held by Mass Transit Authority; Administratively continued (past its expiration date and still in force until reissued); issued May 19, 2020, term to April 1, 2025, by State; discharges to Thread Creek.

  • November 15, 2023: WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP (ST6).
  • November 15, 2023: Management Practice Violations - Improper Operation and Maintenance (ST6).

Other permits held by Mass Transit Authority

MASS TRANS AUTH-GRAND BLANC among its neighbors

EPA’s permit file holds 12 discharge permits in the Thread Creek subwatershed (HUC 040802040306), MIS510804 among them.

Other permits in the Thread Creek subwatershed (HUC 040802040306)

Identity

Facility as filedMASS TRANS AUTH-GRAND BLANC
Permittee as filedMass Transit Authority
NPDES IDMIS510804
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMay 19, 2020
Expiration dateApril 1, 2025
Issuing agencyState
AddressFlint, MI 48507
Receiving waterThread Creek
Receiving water impaired303(D) Listed
SubwatershedThread Creek (HUC 040802040306)
SIC4111 – Local And Suburban Transit

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS510804.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
November 15, 2023WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMPST6
November 15, 2023Management Practice Violations - Improper Operation and MaintenanceST6

Inspections

EPA’s inspection file holds no inspection for NPDES MIS510804.

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 MIS510804.

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, MIS510804.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES MIS510804 held by MASS TRANS AUTH-GRAND BLANC in Flint, MI, which discharges to Thread Creek, within the Thread Creek subwatershed (HUC 040802040306). The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the permit is administratively continued after its April 1, 2025 expiration date.