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.
We’ll email you a link to confirm. 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 MER05B121

BATH IRON WORKS, Bath, ME: NPDES MER05B121 discharge permit, effluent exceedances, inspections, penalties

BATH IRON WORKS holds NPDES permit MER05B121.

BATH IRON WORKS, Bath, Maine: Coverage under a general permit MER05B121; Not needed.

BATH IRON WORKS among its neighbors

EPA’s permit file holds 9 discharge permits in the Kennebec River subwatershed (HUC 010500030603), MER05B121 among them. Its county holds 19, 1 of them major permits; MER05B121 is a permit EPA has not classed major or minor.

Other permits in the Kennebec River subwatershed (HUC 010500030603)

  • BATH CITY OF, Bath: MEL100021, minor permit, permit term to December 31, 2025
  • BATH IRON WORKS, Bath: ME0001732, minor permit, discharging to Kennebec River, permit term to July 31, 2021
  • BATH IRON WORKS, Bath: MEP000296, minor permit, permit term to October 21, 2025
  • BATH LANDFILL, Bath: MER05B388, minor permit, discharging to Whiskeag Creek, permit term to April 25, 2016
  • BATH WWTF, Bath: ME0100021, major permit, discharging to Kennebec River, permit term to May 31, 2021
  • BIW- MAIN YARD, Bath: MER05B212, minor permit, discharging to Kennebec River, permit term to April 25, 2016
  • PINE TREE WASTE, INC. CDD PROCESSING FACILITY, West Bath: MER05C040, minor permit, permit term to April 25, 2016
  • WEST BATH TRANSFER, West Bath: MER05B644, minor permit, permit term to April 25, 2016

What the register holds for BATH IRON WORKS: its NPDES ID, its permit type and status, its its address in Bath, Maine. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MER05B121.

Identity

Facility as filedBATH IRON WORKS
Permittee as filedBATH IRON WORKS
NPDES IDMER05B121
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
AddressBath, ME 04530
SubwatershedKennebec River (HUC 010500030603)
Other EPA IDs (FRS)RCRA handler MER000500918; ICIS-AIR source ME0000002302300001

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MER05B121.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MER05B121.

Inspections

EPA’s inspection file holds no inspection for NPDES MER05B121.

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 MER05B121.

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, MER05B121.

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 September 15, 2026.

What this page shows

Sagadahoc County has 1 general permit coverage on EPA's NPDES register, namely BATH IRON WORKS in Bath. The Kennebec River subwatershed holds 9 NPDES permits, and BATH IRON WORKS reports 0 pollutants under a numeric limit.