Clean Water Act discharge permit · NPDES MANOE3142

HYPERION CATALYSIS INT., INC., Cambridge, MA: NPDES MANOE3142 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

HYPERION CATALYSIS INT., INC., held by HYPERION CATALYSIS INTERNATIONAL INC., holds NPDES permit MANOE3142. EPA’s file records it issued August 13, 2020 and expiring August 13, 2025.

HYPERION CATALYSIS INT., INC., Cambridge, Massachusetts: Coverage under a general permit MANOE3142, held by HYPERION CATALYSIS INTERNATIONAL INC.; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued August 13, 2020, term to August 13, 2025, by U.S. EPA.

Massachusetts holds 1,007 Industrial stormwater coverages of this permit type in EPA’s file; 469 were issued before MANOE3142.

Coverages issued nearest MANOE3142

August 6, 2020: IROBOT CORPORATION, Bedford, MANOEJ050, held by iRobot Corporation
August 11, 2020: METALOR TECHNOLOGIES USA, North Attleboro, MANOE3332, held by Metalor Refining
August 11, 2020: NELES USA, INC., Shrewsbury, MANOE3694, held by Valmet Flow Control, Inc.
August 12, 2020: TRANSENE COMPANY, INC., Danvers, MANOE3746, held by Transene Company, Inc.
August 12, 2020: U.S. TECHNOLOGIES, Shirley, MANOEJ051, held by U.S. Technologies
August 13, 2020: CENTRAL COATING COMPANY, West Boylston, MANOE3780, held by Central Coating Company
August 17, 2020: FALL RIVER WWTP, Fall River, MANOE3710, held by Veolia Water
August 18, 2020: INDUSTRIAL POLYMERS & CHEMICALS INC., Shrewsbury, MANOE3033, held by INDUSTRIAL POLYMERS
August 25, 2020: KICKEMUIT INDUSTRIES LLC, DBA PEARSON PILINGS, Somerset, MANOE3263, held by Kickemuit Industries, LLC. aba Pearson Pilings
August 26, 2020: GENERAL DYNAMICS MISSION SYSTEMS, Pittsfield, MANOE3299, held by General Dynamics AIS

HYPERION CATALYSIS INT., INC. among its neighbors

EPA’s permit file holds 157 discharge permits in the Mystic River-Frontal Boston Harbor subwatershed (HUC 010900010502), MANOE3142 among them. Its county holds 539, 13 of them major permits; MANOE3142 is a minor permit.

Other permits in the Mystic River-Frontal Boston Harbor subwatershed (HUC 010900010502)

0 SOUTH FARM ROAD, Everett: MAG912155, minor permit, permit term to August 1, 2027
10 & 20 EXECUTIVE DRIVE, STONEHAM, Stoneham: MAR1005SA, minor permit, permit term to February 16, 2027
100, 125, 150 CAMBRIDGEPARK DRIVE, Cambridge: MAR1002G8, minor permit, permit term to February 15, 2022
101 SMITH PLACE, Cambridge: MAR10037T, minor permit, permit term to February 15, 2022
1165R MASS AVE RESIDENTIAL DEVELOPMENT, Arlington: MAR1003QJ, minor permit, permit term to February 15, 2022
128 SPRING STREET, Everett: MAR1005EI, minor permit, permit term to February 16, 2027
142 MYSTIC AVENUE MEDFORD MA, Medford: MAR1004RK, minor permit, permit term to February 16, 2027
212 BEACHAM STREET EVERETT, MA, Everett: MAR1004Y1, minor permit, permit term to February 16, 2027
299 BROADWAY, Somerville: MAR10063U, minor permit, permit term to February 16, 2027
35 GARVEY STREET, EVERETT MA 02149, Everett: MAR1003QR, minor permit, permit term to February 15, 2022

What the register holds for HYPERION CATALYSIS INT., INC.: its NPDES ID, its permit type and status, its dates, its address in Cambridge, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MANOE3142.

Identity

Facility as filed	HYPERION CATALYSIS INT., INC.
Permittee as filed	HYPERION CATALYSIS INTERNATIONAL INC.
NPDES ID	MANOE3142
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	August 13, 2020
Expiration date	August 13, 2025
Issuing agency	U.S. EPA
Address	Cambridge, MA 02138
Receiving water impaired	303(D) Listed
Subwatershed	Mystic River-Frontal Boston Harbor (HUC 010900010502)
Other EPA IDs (FRS)	RCRA handler MAC300104908; ICIS-AIR source MA0000002511901050

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 MANOE3142.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MANOE3142.

Inspections

EPA’s inspection file holds no inspection for NPDES MANOE3142.

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 MANOE3142.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

Hyperion Catalysis Int., Inc. holds one of 192 storm water industrial permits on EPA's NPDES register in Middlesex County, and 4.2% of those permits have a violation on file. The permit, filed as Hyperion Catalysis International Inc., also sits among 157 NPDES permits in the Mystic River-Frontal Boston Harbor subwatershed, and it records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.