NPDES permit MA0003697 · Major NON-POTW · administratively continued, expires 2023-02-28 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2023-02-28 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: 2026-08-31.
Reports are due about 43 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| 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 | Flow rate | MO AVG | report only | all year |
| 001 | Flow rate | DAILY MX | <= .89 MGD | all year |
| 001 | Specific conductance | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Specific conductance | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Total production - mass | MO AVG | report only | all year |
| 001 | Total production - mass | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 292 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 510 lb/d | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 9 SU | all year |
| 001 | pH | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | pH | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Alkalinity, total [as CaCO3] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Alkalinity, total [as CaCO3] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Solids, total | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Solids, total suspended | MO AVG | <= 350 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 510 lb/d | 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 | Ammonia nitrogen, total, [as N] 30 day | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Ammonia nitrogen, total, [as N] 30 day | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Apr, Jul, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | report only | Jan, Apr, Jul, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 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 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | 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 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MO AVG | <= 1.26 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Sulfide, total [as S] | MO AVG | <= 1 lb/d | Jan, Apr, Jul, Oct |
| 001 | Sulfide, total [as S] | DAILY MX | <= 2 lb/d | Jan, Apr, Jul, Oct |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Chromium, total [as Cr] | MO AVG | report only | May |
| 001 | Chromium, total [as Cr] | DAILY MX | <= 1.1 lb/d | May |
| 001 | Copper, total [as Cu] | MO AVG | <= 22 ug/L | all year |
| 001 | Copper, total [as Cu] | DAILY MX | <= 22 ug/L | all year |
| 001 | Nickel, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Nickel, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Zinc, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Zinc, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Aluminum, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Aluminum, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Cadmium, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Cadmium, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Lead, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Lead, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Copper, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Copper, total recoverable | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Phenols | MO AVG | report only | Jan, Apr, Jul, Oct |
| 001 | Phenols | DAILY MX | <= 1 lb/d | Jan, Apr, Jul, Oct |
| 001 | Chlorine, total residual | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | E. coli | MOAV 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 | Solids, total dissolved | DAILY MX | report only | Jan, Apr, Jul, Oct |
| 001 | Chemical Oxygen Demand [COD] | MO AVG | <= 3640 lb/d | Jan, Apr, Jul, Oct |
| 001 | Chemical Oxygen Demand [COD] | DAILY MX | <= 7280 lb/d | Jan, Apr, Jul, Oct |
| 001 | LC50 Static 48Hr Acute Ceriodaphnia dubia | DAILY MN | >= 100 % | Jan, Apr, Jul, Oct |
| 001 | NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | DAILY MN | >= 7.2 % | Jan, Apr, Jul, Oct |
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