Clean Water Act discharge permit · NPDES MER05B541

KNIGHT MARINE SERVICE, Rockland, ME: NPDES MER05B541 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

KNIGHT MARINE SERVICE, held by KNIGHT'S MARINE SERVICE, holds NPDES permit MER05B541, which discharges to Atlantic Ocean. EPA’s file records it issued June 1, 2011 and expiring April 25, 2016.

KNIGHT MARINE SERVICE, Rockland, Maine: Coverage under a general permit MER05B541, held by KNIGHT'S MARINE SERVICE; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued June 1, 2011, term to April 25, 2016; discharges to Atlantic Ocean.

Maine holds 348 Industrial stormwater coverages of this permit type in EPA’s file; 15 were issued before MER05B541.

Coverages issued nearest MER05B541

June 1, 2011: BIW- EAST BRUNSWICK MANUFACTURING FACILITY (EBMF), Brunswick, MER05B223, held by BATH IRON WORKS CORPORATION
June 1, 2011: AUBURN CONTAINER FACILITY, Auburn, MER05B433, held by INTERNATIONAL PAPER COMPANY
June 1, 2011: WASTE MANAGEMENT- CROSSROADS LANDFILL, Norridgewock, MER05B470, held by WASTE MANAGEMENT DISPOSAL SERVICES OF MAINE, INC.
June 1, 2011: PORTLAND HAULING COMPANY, Portland, MER05B471, held by WASTE MANAGEMENT OF MAINE, INC.
June 1, 2011: KENNEBEC SANITARY TREATMENT DISTRICT, Waterville, MER05B498
June 1, 2011: OAKWOODS LUMBER, North Berwick, MER05B636, held by OAK WOODS LUMBER, INC.
June 1, 2011: ROCKLAND SOLID WASTE FACILITY, Rockland, MER05B658, held by ROCKLAND CITY OF
June 1, 2011: PLASMINE TECHNOLOGY INC, Portland, MER05B674, held by PLASMINE TECHNOLOGY, INC.
June 1, 2011: DYARARTS SERVICE FACILITY, Hermon, MER05B929, held by DYSARTS SERVICE INC
June 2, 2011: OAKHURST DAIRY, Waterville, MER05B150

KNIGHT MARINE SERVICE among its neighbors

Its county holds 36, 2 of them major permits; MER05B541 is a minor permit.

Other permits in the county

CAMDEN TOWN OF, Camden: MEL100137, minor permit, permit term to December 31, 2025
CRESCENT BEACH ASSOCIATION, Owls Head: ME0036781, minor permit, discharging to Atlantic Ocean, permit term to August 31, 2021
DANISCO USA, INC, Rockland: ME0000400, minor permit, discharging to Rockland Harbor, Tidewater, permit term to November 30, 2022
DANISCO USA, INC., Siu: MEPIU0002, minor permit, permit term to November 17, 2028
DICAPERL THOMASTON (CHEMROCK), Thomaston: MER05C100, minor permit, discharging to unnamed stream, permit term to April 25, 2016
FISHER ENGINEERING, Rockland: MEPIU0001, minor permit, permit term to November 28, 2029
FISHER ENGINEERING, Rockland: MER05B343, minor permit, permit term to April 25, 2016
INTERSTATE SEPTIC SYSTEMS, INC., Rockland: MEPIU0004, minor permit, permit term to July 24, 2026
JEFFERSON ROAD, Washington: MER05C156, minor permit, permit term to April 25, 2016
JOHANSON BOATWORKS LTD, Rockland: MER05B928, minor permit, permit term to April 25, 2016

What the register holds for KNIGHT MARINE SERVICE: its NPDES ID, its permit type and status, its dates, its address in Rockland, Maine, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MER05B541.

Identity

Facility as filed	KNIGHT MARINE SERVICE
Permittee as filed	KNIGHT'S MARINE SERVICE
NPDES ID	MER05B541
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
Program	Industrial stormwater
Issued	June 1, 2011
Expiration date	April 25, 2016
Address	Rockland, ME 04841
Receiving water	Atlantic Ocean
SIC	3731 – Ship Building And Repairing

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MER05B541.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MER05B541.

Inspections

EPA’s inspection file holds no inspection for NPDES MER05B541.

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 MER05B541.

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, MER05B541.

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Nearby on the register

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

KNIGHT MARINE SERVICE, one of the 15 storm water industrial permits on EPA's NPDES register in Knox County including this one, is among the 6.7% of those 15 permits issued earlier than this one. Of those 15 Knox County storm water industrial permits, 0.0% carry a violation on file, and this permit has no pollutants under a numeric limit and no effluent exceedances on record.