NPDES permit MA0101613 · Major POTW · expired, expires 2026-01-31 · EPA's file as of 2026-09-19
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This permit expired on 2026-01-31 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: 2026-08-31.
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 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 16763 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 25145 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 8.3 SU | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 16763 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | report only | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 25145 lb/d | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, total [as N] | ROLL AVG | <= 2794 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Nickel, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Zinc, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Aluminum, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Cadmium, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Lead, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Copper, total recoverable | DAILY MX | report only | Mar, Jun, Sep, Dec |
| 001 | Flow, in conduit or thru treatment plant | ROLL AVG | <= 67 MGD | 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 | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= .26 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .46 mg/L | all year |
| 001 | E. coli | MO GEO | <= 126 CFU/100mL | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | E. coli | DAILY MX | <= 409 CFU/100mL | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, percent removal | MINIMUM | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MINIMUM | >= 85 % | all year |
| 001 | LC50 Static 48Hr Acute Ceriodaphnia dubia | MINIMUM | >= 100 % | Mar, Jun, Sep, Dec |
| 007 | Number of Events | DAILY MX | report only | all year |
| 007 | Duration of discharge | DAILY MX | report only | all year |
| 007 | Flow, total | DAILY MX | report only | all year |
| 008 | Number of Events | DAILY MX | report only | all year |
| 008 | Duration of discharge | DAILY MX | report only | all year |
| 008 | Flow, total | DAILY MX | report only | all year |
| 010 | Number of Events | DAILY MX | report only | all year |
| 010 | Duration of discharge | DAILY MX | report only | all year |
| 010 | Flow, total | DAILY MX | report only | all year |
| 011 | Number of Events | DAILY MX | report only | all year |
| 011 | Duration of discharge | DAILY MX | report only | all year |
| 011 | Flow, total | DAILY MX | report only | all year |
| 012 | Number of Events | DAILY MX | report only | all year |
| 012 | Duration of discharge | DAILY MX | report only | all year |
| 012 | Flow, total | DAILY MX | report only | all year |
| 013 | Number of Events | DAILY MX | report only | all year |
| 013 | Duration of discharge | DAILY MX | report only | all year |
| 013 | Flow, total | DAILY MX | report only | all year |
| 014 | Number of Events | DAILY MX | report only | all year |
| 014 | Duration of discharge | DAILY MX | report only | all year |
| 014 | Flow, total | DAILY MX | report only | all year |
| 015 | Number of Events | DAILY MX | report only | all year |
| 015 | Number of Events | DAILY MX | report only | all year |
| 015 | Duration of discharge | DAILY MX | report only | all year |
| 015 | Duration of discharge | DAILY MX | report only | all year |
| 015 | Flow, total | DAILY MX | report only | all year |
| 015 | Flow, total | DAILY MX | report only | all year |
| 016 | Number of Events | DAILY MX | report only | all year |
| 016 | Duration of discharge | DAILY MX | report only | all year |
| 016 | Flow, total | DAILY MX | report only | all year |
| 017 | Number of Events | DAILY MX | report only | all year |
| 017 | Duration of discharge | DAILY MX | report only | all year |
| 017 | Flow, total | DAILY MX | report only | all year |
| 018 | Number of Events | DAILY MX | report only | all year |
| 018 | Duration of discharge | DAILY MX | report only | all year |
| 018 | Flow, total | DAILY MX | report only | all year |
| 019 | Number of Events | DAILY MX | report only | all year |
| 019 | Duration of discharge | DAILY MX | report only | all year |
| 019 | Flow, total | DAILY MX | report only | all year |
| 024 | Number of Events | DAILY MX | report only | all year |
| 024 | Duration of discharge | DAILY MX | report only | all year |
| 024 | Flow, total | DAILY MX | report only | all year |
| 025 | Number of Events | DAILY MX | report only | all year |
| 025 | Duration of discharge | DAILY MX | report only | all year |
| 025 | Flow, total | DAILY MX | report only | all year |
| 034 | Number of Events | DAILY MX | report only | all year |
| 034 | Duration of discharge | DAILY MX | report only | all year |
| 034 | Flow, total | DAILY MX | report only | all year |
| 035 | Number of Events | DAILY MX | report only | all year |
| 035 | Duration of discharge | DAILY MX | report only | all year |
| 035 | Flow, total | DAILY MX | report only | all year |
| 036 | Number of Events | DAILY MX | report only | all year |
| 036 | Duration of discharge | DAILY MX | report only | all year |
| 036 | Flow, total | DAILY MX | report only | all year |
| 037 | Number of Events | DAILY MX | report only | all year |
| 037 | Duration of discharge | DAILY MX | report only | all year |
| 037 | Flow, total | DAILY MX | report only | all year |
| 042 | Number of Events | DAILY MX | report only | all year |
| 042 | Duration of discharge | DAILY MX | report only | all year |
| 042 | Flow, total | DAILY MX | report only | all year |
| 045 | Number of Events | DAILY MX | report only | all year |
| 045 | Duration of discharge | DAILY MX | report only | all year |
| 045 | Flow, total | DAILY MX | report only | all year |
| 046 | Number of Events | DAILY MX | report only | all year |
| 046 | Duration of discharge | DAILY MX | report only | all year |
| 046 | Flow, total | DAILY MX | report only | all year |
| 048 | Number of Events | DAILY MX | report only | all year |
| 048 | Duration of discharge | DAILY MX | report only | all year |
| 048 | Flow, total | DAILY MX | report only | all year |
| 049 | Number of Events | DAILY MX | report only | all year |
| 049 | Duration of discharge | DAILY MX | report only | all year |
| 049 | Flow, total | 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