NPDES permit MA0003557 · Major NON-POTW · administratively continued, expires 2025-06-30 · EPA's file as of 2026-09-19
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This permit expired on 2025-06-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (3).
Reports are due about 15 days after each monitoring period ends (the most common figure among MA permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | report only | all year |
| 001 | pH | MAXIMUM | report only | all year |
| 001 | pH | MAXIMUM | report only | all year |
| 001 | Salinity | DAILY MX | report only | all year |
| 001 | Solids, total | DAILY MX | report only | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Oil & Grease | MO AVG | report only | all year |
| 001 | Oil & Grease | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 001 | Sodium nitrite | MO AVG | report only | all year |
| 001 | Sodium nitrite | DAILY MX | <= 2 mg/L | all year |
| 001 | Nickel, total recoverable | DAILY MX | report only | all year |
| 001 | Zinc, total recoverable | DAILY MX | report only | all year |
| 001 | Cadmium, total recoverable | DAILY MX | report only | all year |
| 001 | Lead, total recoverable | DAILY MX | report only | all year |
| 001 | Copper, total recoverable | DAILY MX | report only | all year |
| 001 | Oxidants, total residual | MO AVG | <= .1 mg/L | all year |
| 001 | Oxidants, total residual | DAILY MX | <= .1 mg/L | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | <= 224 MGD | all year |
| 001 | Chlorine, total residual | DAILY MX | report only | all year |
| 001 | Temp. diff. between intake and discharge | DAILY MX | report only | all year |
| 001 | Duration of discharge | DAILY MX | report only | all year |
| 001 | Tolytriazole | MO AVG | report only | all year |
| 001 | Tolytriazole | DAILY MX | <= 1.48 mg/L | all year |
| 001 | LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | DAILY MX | report only | all year |
| 001 | LC50 Static 48Hr Acute Menidia | DAILY MX | report only | all year |
| 002 | pH | MAXIMUM | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | <= 28 MGD | all year |
| 002 | Number of Events | DAILY MX | <= 1 # | all year |
| 002 | Duration of discharge | DAILY MX | report only | all year |
| 004 | pH | MINIMUM | >= 6 SU | all year |
| 004 | pH | MINIMUM | report only | all year |
| 004 | pH | MINIMUM | report only | all year |
| 004 | pH | DAILY MX | <= 8.5 SU | all year |
| 004 | pH | MAXIMUM | report only | all year |
| 004 | pH | MAXIMUM | report only | all year |
| 004 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 004 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 004 | Solids, total suspended | DAILY MX | report only | all year |
| 004 | Solids, total suspended | DAILY MX | report only | all year |
| 004 | Oil & Grease | DAILY MX | <= 5 mg/L | all year |
| 004 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 004 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 004 | Iron, total recoverable | DAILY MX | report only | all year |
| 004 | Iron, total recoverable | DAILY MX | report only | all year |
| 004 | Nickel, total recoverable | DAILY MX | report only | all year |
| 004 | Nickel, total recoverable | DAILY MX | report only | all year |
| 004 | Zinc, total recoverable | DAILY MX | report only | all year |
| 004 | Zinc, total recoverable | DAILY MX | report only | all year |
| 004 | Cadmium, total recoverable | MAXIMUM | report only | all year |
| 004 | Cadmium, total recoverable | MAXIMUM | report only | all year |
| 004 | Lead, total recoverable | DAILY MX | report only | all year |
| 004 | Lead, total recoverable | DAILY MX | report only | all year |
| 004 | Copper, total recoverable | DAILY MX | report only | all year |
| 004 | Copper, total recoverable | DAILY MX | report only | all year |
| 004 | Antimony, total recoverable | DAILY MX | report only | all year |
| 004 | Antimony, total recoverable | DAILY MX | report only | all year |
| 004 | Total phenols | DAILY MX | report only | all year |
| 004 | Total phenols | DAILY MX | report only | all year |
| 004 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 004 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 004 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 004 | Chromium, hexavalent tot recoverable | MAXIMUM | report only | all year |
| 004 | Chromium, hexavalent tot recoverable | MAXIMUM | report only | all year |
| 004 | Phthalates, total | DAILY MX | report only | all year |
| 004 | Phthalates, total | DAILY MX | report only | all year |
| 005 | pH | MINIMUM | >= 6 SU | all year |
| 005 | pH | MINIMUM | report only | all year |
| 005 | pH | MINIMUM | report only | all year |
| 005 | pH | MAXIMUM | <= 8.5 SU | all year |
| 005 | pH | MAXIMUM | report only | all year |
| 005 | pH | MAXIMUM | report only | all year |
| 005 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 005 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 005 | Solids, total suspended | DAILY MX | report only | all year |
| 005 | Solids, total suspended | DAILY MX | report only | all year |
| 005 | Oil & Grease | DAILY MX | <= 5 mg/L | all year |
| 005 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 005 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 005 | Iron, total recoverable | DAILY MX | report only | all year |
| 005 | Iron, total recoverable | DAILY MX | report only | all year |
| 005 | Nickel, total recoverable | DAILY MX | report only | all year |
| 005 | Nickel, total recoverable | DAILY MX | report only | all year |
| 005 | Zinc, total recoverable | DAILY MX | report only | all year |
| 005 | Zinc, total recoverable | DAILY MX | report only | all year |
| 005 | Cadmium, total recoverable | MAXIMUM | report only | all year |
| 005 | Cadmium, total recoverable | MAXIMUM | report only | all year |
| 005 | Lead, total recoverable | DAILY MX | report only | all year |
| 005 | Lead, total recoverable | DAILY MX | report only | all year |
| 005 | Copper, total recoverable | DAILY MX | report only | all year |
| 005 | Copper, total recoverable | DAILY MX | report only | all year |
| 005 | Antimony, total recoverable | DAILY MX | report only | all year |
| 005 | Antimony, total recoverable | DAILY MX | report only | all year |
| 005 | Total phenols | DAILY MX | report only | all year |
| 005 | Total phenols | DAILY MX | report only | all year |
| 005 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 005 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 005 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 005 | Chromium, hexavalent tot recoverable | MAXIMUM | report only | all year |
| 005 | Chromium, hexavalent tot recoverable | MAXIMUM | report only | all year |
| 005 | Phthalates, total | DAILY MX | report only | all year |
| 005 | Phthalates, total | DAILY MX | report only | all year |
| 006 | pH | MINIMUM | >= 6 SU | all year |
| 006 | pH | MAXIMUM | <= 8.5 SU | all year |
| 006 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 006 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 006 | Oil & Grease | DAILY MX | <= 5 mg/L | all year |
| 006 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 007 | pH | MINIMUM | >= 6 SU | all year |
| 007 | pH | MINIMUM | report only | all year |
| 007 | pH | MAXIMUM | <= 8.5 SU | all year |
| 007 | pH | MAXIMUM | report only | all year |
| 007 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 007 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 007 | Solids, total suspended | DAILY MX | report only | all year |
| 007 | Oil & Grease | DAILY MX | <= 5 mg/L | all year |
| 007 | Cyanide, free [as free] | DAILY MX | report only | all year |
| 007 | Iron, total recoverable | DAILY MX | report only | all year |
| 007 | Nickel, total recoverable | DAILY MX | report only | all year |
| 007 | Zinc, total recoverable | DAILY MX | report only | all year |
| 007 | Cadmium, total recoverable | MAXIMUM | report only | all year |
| 007 | Lead, total recoverable | DAILY MX | report only | all year |
| 007 | Copper, total recoverable | DAILY MX | report only | all year |
| 007 | Antimony, total recoverable | DAILY MX | report only | all year |
| 007 | Total phenols | DAILY MX | report only | all year |
| 007 | Polychlorinated biphenyls [PCBs] | DAILY MX | report only | all year |
| 007 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 007 | Chromium, hexavalent tot recoverable | MAXIMUM | report only | all year |
| 007 | Phthalates, total | DAILY MX | report only | all year |
| 010 | Temperature, water deg. fahrenheit | MO AVG | <= 80 deg F | all year |
| 010 | Temperature, water deg. fahrenheit | DAILY MX | <= 90 deg F | all year |
| 010 | pH | MINIMUM | >= 6.5 SU | all year |
| 010 | pH | MAXIMUM | <= 8.5 SU | all year |
| 010 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 010 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 010 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 010 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 010 | Oxidants, total residual | MO AVG | <= .5 mg/L | all year |
| 010 | Oxidants, total residual | DAILY MX | <= 1 mg/L | all year |
| 010 | Flow, in conduit or thru treatment plant | MO AVG | <= 15.6 MGD | all year |
| 010 | Flow, in conduit or thru treatment plant | DAILY MX | <= 19.4 MGD | all year |
| 010 | Temp. diff. between intake and discharge | DAILY MX | <= 10 deg F | all year |
| 010 | Velocity of intake | MO AVG | report only | all year |
| 010 | Velocity of intake | DAILY MX | <= .5 ft/sec | all year |
| 011 | pH | MINIMUM | >= 6.1 SU | all year |
| 011 | pH | MAXIMUM | <= 8.4 SU | all year |
| 011 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 011 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 011 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 011 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 011 | Boron, total [as B] | MO AVG | report only | all year |
| 011 | Boron, total [as B] | DAILY MX | <= 5.6 mg/L | all year |
| 011 | Boron, total [as B] | MO AVG | report only | all year |
| 011 | Boron, total [as B] | DAILY MX | report only | all year |
| 011 | Flow, in conduit or thru treatment plant | MO AVG | <= .015 MGD | all year |
| 011 | Flow, in conduit or thru treatment plant | DAILY MX | <= .06 MGD | all year |
| 012 | pH | MINIMUM | >= 6.5 SU | all year |
| 012 | pH | MAXIMUM | <= 8.5 SU | all year |
| 012 | Oxidants, total residual | MO AVG | report only | all year |
| 012 | Oxidants, total residual | DAILY MX | report only | all year |
| 012 | Flow, in conduit or thru treatment plant | MO AVG | <= 4.1 MGD | all year |
| 012 | Flow, in conduit or thru treatment plant | DAILY MX | <= 4.1 MGD | all year |
| 014 | pH | MINIMUM | >= 6.1 SU | all year |
| 014 | pH | MAXIMUM | <= 8.4 SU | all year |
| 014 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 014 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 014 | Oil & Grease | MO AVG | <= 15 ug/L | all year |
| 014 | Oil & Grease | DAILY MX | <= 20 ug/L | all year |
| 014 | Boron, total [as B] | MO AVG | report only | all year |
| 014 | Boron, total [as B] | DAILY MX | <= 5.6 mg/L | all year |
| 014 | Boron, total [as B] | MO AVG | report only | all year |
| 014 | Boron, total [as B] | DAILY MX | report only | all year |
| 014 | Flow, in conduit or thru treatment plant | MO AVG | <= .015 MGD | all year |
| 014 | Flow, in conduit or thru treatment plant | DAILY MX | <= .06 MGD | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states