NPDES permit MA0033987 · Minor NON-POTW · administratively continued, expires 2024-02-29 · EPA's file as of 2026-09-19
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This permit expired on 2024-02-29 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: pH (1).
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 |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | Flow rate | MO AVG | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | Specific conductance | DAILY MX | report only | all year |
| 001 | Specific conductance | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | DAILY MX | report only | all year |
| 001 | pH | MINIMUM | >= 6.5 SU | all year |
| 001 | pH | MAXIMUM | <= 8.3 SU | all year |
| 001 | pH | DAILY MX | report only | all year |
| 001 | pH | DAILY MX | report only | all year |
| 001 | Alkalinity, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Alkalinity, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Solids, total | DAILY MX | report only | all year |
| 001 | Solids, total | DAILY MX | report only | all year |
| 001 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 15 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | 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 | Carbon, tot organic [TOC] | DAILY MX | report only | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | all year |
| 001 | Calcium, total [as Ca] | DAILY MX | report only | all year |
| 001 | Calcium, total [as Ca] | DAILY MX | report only | all year |
| 001 | Magnesium, total [as Mg] | DAILY MX | report only | all year |
| 001 | Magnesium, total [as Mg] | DAILY MX | report only | all year |
| 001 | Cadmium, total [as Cd] | DAILY MX | report only | all year |
| 001 | Cadmium, total [as Cd] | DAILY MX | report only | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 001 | Chromium, total [as Cr] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Copper, total [as Cu] | DAILY MX | report only | all year |
| 001 | Lead, total [as Pb] | DAILY MX | report only | all year |
| 001 | Lead, total [as Pb] | DAILY MX | report only | all year |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | all year |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | all year |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | all year |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | DAILY MX | report only | all year |
| 001 | Chlorine, total residual | DAILY MX | report only | all year |
| 001 | Number of Events | MO AVG | report only | all year |
| 001 | Number of Events | DAILY MN | >= 14 # | all year |
| 001 | LC50 Static 48Hr Acute Ceriodaphnia dubia | MINIMUM | >= 100 % | all year |
| 001 | LC50 Static 48Hr Acute Pimephales promelas | MINIMUM | >= 100 % | all year |
| 001 | NOEL Static 7Day Chronic Ceriodaphnia dubia | MINIMUM | >= 100 % | all year |
| 001 | Noel Static 7Day Chronic Pimephales | MINIMUM | >= 100 % | all year |
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