NPDES permit MA0030571 · Minor NON-POTW · expired, expires 2026-03-31 · EPA's file as of 2026-09-19
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This permit expired on 2026-03-31 and is expired: 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.
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 003 | Temperature, water deg. centigrade | DAILY MX | report only | Jun, Sep |
| 003 | Temperature, water deg. fahrenheit | DAILY MX | <= 83 deg F | all year |
| 003 | BOD, 5-day, 20 deg. C | DAILY MX | <= 2.01 lb/d | all year |
| 003 | pH | MINIMUM | >= 6.5 SU | all year |
| 003 | pH | MAXIMUM | <= 8.3 SU | all year |
| 003 | pH | DAILY MX | report only | Jun, Sep |
| 003 | Solids, total suspended | DAILY MX | <= 1.47 lb/d | all year |
| 003 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Oil & Grease | DAILY MX | <= 2.24 lb/d | all year |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jun, Sep |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jun, Sep |
| 003 | Hardness, total [as CaCO3] | DAILY MX | report only | Jun, Sep |
| 003 | Hardness, total [as CaCO3] | DAILY MX | report only | Jun, Sep |
| 003 | Cadmium, total [as Cd] | DAILY MX | report only | Jun, Sep |
| 003 | Cadmium, total [as Cd] | DAILY MX | report only | Jun, Sep |
| 003 | Copper, total [as Cu] | DAILY MX | report only | Jun, Sep |
| 003 | Copper, total [as Cu] | DAILY MX | report only | Jun, Sep |
| 003 | Lead, total [as Pb] | DAILY MX | report only | Jun, Sep |
| 003 | Lead, total [as Pb] | DAILY MX | report only | Jun, Sep |
| 003 | Nickel, total [as Ni] | DAILY MX | report only | Jun, Sep |
| 003 | Nickel, total [as Ni] | DAILY MX | report only | Jun, Sep |
| 003 | Zinc, total [as Zn] | DAILY MX | report only | Jun, Sep |
| 003 | Zinc, total [as Zn] | DAILY MX | report only | Jun, Sep |
| 003 | Antimony, total [as Sb] | DAILY MX | report only | Jun, Sep |
| 003 | Aluminum, total [as Al] | DAILY MX | report only | Jun, Sep |
| 003 | Aluminum, total [as Al] | DAILY MX | report only | Jun, Sep |
| 003 | Di[2-ethylhexyl] phthalate [DEHP] | DAILY MX | <= 0 mg/L | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | <= .015 MGD | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | <= .03 MGD | all year |
| 003 | Chlorine, total residual | DAILY MX | <= 1 mg/L | all year |
| 003 | LC50 Static 48Hr Acute Ceriodaphnia dubia | MINIMUM | >= 50 % | Jun, Sep |
| 003 | LC50 Static 48Hr Acute Pimephales promelas | MINIMUM | >= 50 % | Jun, Sep |
| PFAS | Perfluorooctanoic acid (PFOA) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanoic acid (PFHpA) | DAILY MX | report only | all year |
| PFAS | Perfluorononanoic acid (PFNA) | DAILY MX | report only | all year |
| PFAS | Perfluorodecanoic acid (PFDA) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanesulfonic acid (PFHxS) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanesulfonic acid (PFOS) | DAILY MX | report only | 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