NPDES permit MA0004898 · Major NON-POTW · administratively continued, expires 2016-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
This permit expired on 2016-01-31 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.
Reports are due about 21 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 005 | Flow rate | DAILY MX | <= .1 MGD | all year |
| 005 | pH | MINIMUM | >= 6.5 SU | all year |
| 005 | pH | MAXIMUM | <= 9 SU | all year |
| 006 | Flow rate | DAILY MX | <= .1 MGD | all year |
| 006 | pH | MINIMUM | >= 6.5 SU | all year |
| 006 | pH | MAXIMUM | <= 9 SU | all year |
| 007 | Flow rate | DAILY MX | <= .1 MGD | all year |
| 007 | pH | MINIMUM | >= 6.5 SU | all year |
| 007 | pH | MAXIMUM | <= 9 SU | all year |
| 009 | Flow rate | MO AVG | report only | all year |
| 009 | Flow rate | DAILY MX | <= 3.2 MGD | all year |
| 009 | Solids, total suspended | MO AVG | <= 30 mg/L | all year |
| 009 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 009 | Oil & Grease | MO AVG | <= 15 mg/L | all year |
| 009 | Oil & Grease | DAILY MX | <= 20 mg/L | all year |
| 009 | Priority Pollutants | MO AVG | report only | Jul, Aug, Sep |
| 009 | Priority Pollutants | DAILY MX | report only | Jul, Aug, Sep |
| 009 | Chlorine, total residual | MO AVG | report only | all year |
| 009 | Chlorine, total residual | DAILY MX | report only | all year |
| SUM | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| SUM | Temperature, water deg. fahrenheit | INST MAX | <= 105 deg F | all year |
| SUM | Temperature, water deg. fahrenheit | MO AVG | report only | all year |
| SUM | Temperature, water deg. fahrenheit | DAILY MX | <= 20 deg F | all year |
| SUM | Flow rate | MO AVG | <= 3.2 MGD | all year |
| SUM | Flow rate | MO AVG | <= 70 MGD | all year |
| SUM | Flow rate | DAILY MX | <= 3.2 MGD | all year |
| SUM | Flow rate | DAILY MX | <= 80 MGD | all year |
| SUM | Production, total, megawatts | MO AVG | report only | all year |
| SUM | Production, total, megawatts | DAILY MX | report only | all year |
| SUM | pH | MINIMUM | >= 6.5 SU | all year |
| SUM | pH | MAXIMUM | <= 9 SU | all year |
| SUM | Chlorine, total residual | MO AVG | report only | all year |
| SUM | Chlorine, total residual | DAILY MX | <= .1 mg/L | all year |
| SUM | Heat [summer] [per hour] | MO AVG | report only | May, Jun, Jul, Aug, Sep |
| SUM | Heat [summer] [per hour] | 1D | <= 8535 MBTU/d | May, Jun, Jul, Aug, Sep |
| SUM | Heat [summer] [per hour] | MO AVG | report only | May, Jun, Jul, Aug, Sep |
| SUM | Heat [summer] [per hour] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| SUM | Heat [summer] [per hour] | DAILY MX | report only | May, Jun, Jul, Aug, Sep |
| SUM | Heat [winter] [per hour] | 1D | <= 8535 MBTU/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| SUM | Heat [winter] [per hour] | MO AVG | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| SUM | Heat [winter] [per hour] | DAILY MX | report only | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
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