Clean Water Act discharge permit · NPDES ME0001121

DRY MILLS FISH HATCHERY, Gray, ME: NPDES ME0001121 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

DRY MILLS FISH HATCHERY, held by ME INLAND FISHERIES & WILDLIFE, holds NPDES permit ME0001121, which discharges to Hatchery Brook. EPA’s file records it issued May 1, 2017 and expiring April 30, 2022.

DRY MILLS FISH HATCHERY, Gray, Maine: Individual permit ME0001121, held by ME INLAND FISHERIES & WILDLIFE; Administratively continued (past its expiration date and still in force until reissued); issued May 1, 2017, term to April 30, 2022; discharges to Hatchery Brook; Finfish Farming and Fish Hatcheries.

Phosphorus, total [as P]: 4 limits, 112 violations of any kind, 108 effluent exceedances, latest July 31, 2026, largest 766% over the limit.
Solids, total suspended: 4 limits, 69 violations of any kind, 41 effluent exceedances, latest February 28, 2025, largest 109% over the limit.
BOD, 5-day, 20 deg. C: 0 limits, 45 violations of any kind, 17 effluent exceedances, latest August 31, 2011, largest 36% over the limit.
Flow, in conduit or thru treatment plant: 1 limit, 25 violations of any kind, 15 effluent exceedances, latest May 31, 2008, largest 42% over the limit.
Formalin: 2 limits, 52 violations of any kind, 0 effluent exceedances.
Oxygen, dissolved [DO]: 3 limits, 39 violations of any kind, 0 effluent exceedances.
Biomass, fish: 1 limit, 26 violations of any kind, 0 effluent exceedances.
pH: 0 limits, 26 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 0 limits, 21 violations of any kind, 0 effluent exceedances.
Phosphate, ortho [as P]: 0 limits, 16 violations of any kind, 0 effluent exceedances.
Time, starting [hhmmusing 24-hour clock]: 0 limits, 7 violations of any kind, 0 effluent exceedances.

Other permits held by ME INLAND FISHERIES & WILDLIFE

NEW GLOUCESTER STATE FISH HATCHERY, New Gloucester: ME0001040, issued June 1, 2020
PHILLIPS REARING STATION FISH HATCHERY, Phillips: ME0001058, issued November 1, 2021
WADE STATE FISH HATCHERY, Casco: ME0001066, issued January 1, 2018
PALERMO REARING STATION FISH HATCHERY, Palermo: ME0001074, issued October 1, 2017
GRAND LAKE STREAM FISH HATCHERY, Grand Lake Stream Plt: ME0001082, issued November 1, 2020
GOVERNOR HILL FISH HATCHERY, Augusta: ME0001091, issued May 1, 2020
COBB STATE FISH HATCHERY, Enfield: ME0001104, issued April 1, 2019
ELA REARING STATION, Embden: ME0001139, issued November 1, 2017
BIG WADLEIGH POND, T8 R15 Wels: MEG180003, issued October 1, 2009

DRY MILLS FISH HATCHERY among its neighbors

EPA’s permit file holds 4 discharge permits in the Crystal Lake-Collyer Brook subwatershed (HUC 010600010202), ME0001121 among them. Its county holds 97, 7 of them major permits; ME0001121 is a minor permit.

Other permits in the Crystal Lake-Collyer Brook subwatershed (HUC 010600010202)

MASCHINO & SONS LUMBER CO INC, New Gloucester: MER05B707, minor permit, permit term to April 25, 2016
NEW GLOUCESTER STATE FISH HATCHERY, New Gloucester: ME0001040, minor permit, discharging to Eddy Brook, permit term to May 31, 2025
PINELAND FARMS DAIRY COMPANY INC, Bangor: MERNEB816, minor permit, permit term to December 6, 2021

Identity

Facility as filed	DRY MILLS FISH HATCHERY
Permittee as filed	ME INLAND FISHERIES & WILDLIFE
NPDES ID	ME0001121
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 1, 2017
Expiration date	April 30, 2022
Address	Gray, ME 04039
Receiving water	Hatchery Brook
Subwatershed	Crystal Lake-Collyer Brook (HUC 010600010202)
NAICS	112511 – Finfish Farming and Fish Hatcheries
SIC	0921 – Fish Hatcheries And Preserves

Effluent limits and exceedances

11Pollutants on file
6Under a numeric limit
11With a violation of any kind
4With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Phosphorus, total [as P]	4	112	108	July 31, 2026	766% over the limit
Solids, total suspended	4	69	41	February 28, 2025	109% over the limit
BOD, 5-day, 20 deg. C	0	45	17	August 31, 2011	36% over the limit
Flow, in conduit or thru treatment plant	1	25	15	May 31, 2008	42% over the limit
Formalin	2	52	0
Oxygen, dissolved [DO]	3	39	0
Biomass, fish	1	26	0
pH	0	26	0
Temperature, water deg. centigrade	0	21	0
Phosphate, ortho [as P]	0	16	0
Time, starting [hhmmusing 24-hour clock]	0	7	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ME0001121.

Inspections

EPA’s inspection file holds no inspection for NPDES ME0001121.

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 ME0001121.

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, ME0001121.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers NPDES permit ME0001121 for Dry Mills Fish Hatchery in Gray, ME, held by ME Inland Fisheries & Wildlife, which discharges to Hatchery Brook and is administratively continued as a minor discharger. The page lists 4 pollutants under a numeric limit and 4 pollutants with an effluent exceedance, with the permit recorded as issued May 1, 2017 and expiring April 30, 2022, as of October 14, 2026.