NPDES permit MA0100218 · Major POTW · effective, expires 2029-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Nitrogen, total [as N] (7), E. coli, thermotol, MF, MTEC (2), pH (2).
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 | Apr, May, Jun, Oct, Nov, Dec |
| 001 | pH | MINIMUM | >= 6 SU | all year |
| 001 | pH | MAXIMUM | <= 8.3 SU | all year |
| 001 | pH | MAXIMUM | report only | Apr, May, Jun, Oct, Nov, Dec |
| 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 | <= 1776 lb/d | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 2665 lb/d | 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] | MO AVG | report only | all year |
| 001 | Nitrogen, total [as N] | ROLL AVG | <= 474 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, Kjeldahl, total [as N] | MO AVG | report only | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | MO AVG | report only | Jan, Feb, Mar, Nov, Dec |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | Jan, Feb, Mar, Nov, Dec |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Carbon, tot organic [TOC] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Carbon, dissolved organic [as C] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Hardness, total [as CaCO3] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Cadmium, total [as Cd] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Cadmium, total [as Cd] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Copper, total [as Cu] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Copper, total [as Cu] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Lead, total [as Pb] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Lead, total [as Pb] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Nickel, total [as Ni] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Zinc, total [as Zn] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | Aluminum, total [as Al] | DAILY MX | report only | Apr, May, Jun, Oct, Nov, Dec |
| 001 | E. coli, thermotol, MF, MTEC | MO GEO | <= 126 CFU/100mL | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | E. coli, thermotol, MF, MTEC | DAILY MX | <= 409 CFU/100mL | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | <= 7.1 MGD | all year |
| 001 | Flow, in conduit or thru treatment plant | ROLL AVG | report only | all year |
| 001 | Chlorine, total residual | DAILY MX | <= 1 mg/L | Apr, May, Jun, Jul, Aug, Sep, Oct |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | MO AVG | <= 25 mg/L | all year |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | WKLY AVG | <= 40 mg/L | all year |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | DAILY MX | report only | all year |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | MO AVG | <= 1480 lb/d | all year |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | WKLY AVG | <= 2369 lb/d | all year |
| 001 | Carbonaceous BOD, 5 day, 20 deg C filtrd | MO AVG | report only | all year |
| 001 | BOD, carbonaceous, percent removal | MO AV MN | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| 001 | LC50 Static Renewal 48Hr Acute Pimephales promelas | MINIMUM | >= 50 % | Apr, May, Jun, Oct, Nov, Dec |
| PFAS | Perfluorooctanoic acid (PFOA) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanoic acid (PFOA) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanoic acid (PFOA) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanoic acid (PFBA) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanoic acid (PFBA) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanoic acid (PFBA) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanesulfonamide (PFOSA) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanesulfonamide (PFOSA) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanesulfonamide (PFOSA) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanoic acid (PFPeA) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanoic acid (PFPeA) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanoic acid (PFPeA) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanoic acid (PFHxA) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanoic acid (PFHxA) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanoic acid (PFHxA) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanoic acid (PFHpA) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanoic acid (PFHpA) | 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 | Perfluorononanoic acid (PFNA) | 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 | Perfluorodecanoic acid (PFDA) | DAILY MX | report only | all year |
| PFAS | Perfluorodecanoic acid (PFDA) | DAILY MX | report only | all year |
| PFAS | Perfluoroundecanoic acid (PFUnA) | DAILY MX | report only | all year |
| PFAS | Perfluoroundecanoic acid (PFUnA) | DAILY MX | report only | all year |
| PFAS | Perfluoroundecanoic acid (PFUnA) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanoic acid (PFDoA) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanoic acid (PFDoA) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanoic acid (PFDoA) | DAILY MX | report only | all year |
| PFAS | Perfluorotridecanoic acid (PFTrDA) | DAILY MX | report only | all year |
| PFAS | Perfluorotridecanoic acid (PFTrDA) | DAILY MX | report only | all year |
| PFAS | Perfluorotridecanoic acid (PFTrDA) | DAILY MX | report only | all year |
| PFAS | Perfluorotetradecanoic acid (PFTeDA) | DAILY MX | report only | all year |
| PFAS | Perfluorotetradecanoic acid (PFTeDA) | DAILY MX | report only | all year |
| PFAS | Perfluorotetradecanoic acid (PFTeDA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanesulfonic acid (PFBS) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanesulfonic acid (PFBS) | DAILY MX | report only | all year |
| PFAS | Perfluorobutanesulfonic acid (PFBS) | DAILY MX | report only | all year |
| PFAS | Perfluorodecanesulfonic acid (PFDS) | DAILY MX | report only | all year |
| PFAS | Perfluorodecanesulfonic acid (PFDS) | DAILY MX | report only | all year |
| PFAS | Perfluorodecanesulfonic acid (PFDS) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanesulfonic acid (PFHpS) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanesulfonic acid (PFHpS) | DAILY MX | report only | all year |
| PFAS | Perfluoroheptanesulfonic acid (PFHpS) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanesulfonic acid (PFHxS) | DAILY MX | report only | all year |
| PFAS | Perfluorohexanesulfonic acid (PFHxS) | 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 |
| PFAS | Perfluorooctanesulfonic acid (PFOS) | DAILY MX | report only | all year |
| PFAS | Perfluorooctanesulfonic acid (PFOS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | DAILY MX | report only | all year |
| PFAS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanesulfonic acid (PFPeS) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanesulfonic acid (PFPeS) | DAILY MX | report only | all year |
| PFAS | Perfluoropentanesulfonic acid (PFPeS) | DAILY MX | report only | all year |
| PFAS | Perfluorononanesulfonic acid (PFNS) | DAILY MX | report only | all year |
| PFAS | Perfluorononanesulfonic acid (PFNS) | DAILY MX | report only | all year |
| PFAS | Perfluorononanesulfonic acid (PFNS) | DAILY MX | report only | all year |
| PFAS | Hexafluoropropylene oxide dimer acid (HFPO-DA) | DAILY MX | report only | all year |
| PFAS | Hexafluoropropylene oxide dimer acid (HFPO-DA) | DAILY MX | report only | all year |
| PFAS | Hexafluoropropylene oxide dimer acid (HFPO-DA) | DAILY MX | report only | all year |
| PFAS | Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | DAILY MX | report only | all year |
| PFAS | Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | DAILY MX | report only | all year |
| PFAS | Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | DAILY MX | report only | all year |
| PFAS | Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | DAILY MX | report only | all year |
| PFAS | Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | DAILY MX | report only | all year |
| PFAS | Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanesulfonic acid (PFDoS) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanesulfonic acid (PFDoS) | DAILY MX | report only | all year |
| PFAS | Perfluorododecanesulfonic acid (PFDoS) | DAILY MX | report only | all year |
| PFAS | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | DAILY MX | report only | all year |
| PFAS | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | DAILY MX | report only | all year |
| PFAS | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamide (NMeFOSA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamide (NMeFOSA) | DAILY MX | report only | all year |
| PFAS | N-methyl perfluorooctanesulfonamide (NMeFOSA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamide (NEtFOSA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamide (NEtFOSA) | DAILY MX | report only | all year |
| PFAS | N-ethyl perfluorooctanesulfonamide (NEtFOSA) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoropropyl propanoic acid (3:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoropropyl propanoic acid (3:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoropropyl propanoic acid (3:3 FTCA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-3-methoxypropanoic acid (PFMPA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-3-methoxypropanoic acid (PFMPA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-3-methoxypropanoic acid (PFMPA) | DAILY MX | report only | all year |
| PFAS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | DAILY MX | report only | all year |
| PFAS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | DAILY MX | report only | all year |
| PFAS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | DAILY MX | report only | all year |
| PFAS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | DAILY MX | report only | all year |
| PFAS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | DAILY MX | report only | all year |
| PFAS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-4-methoxybutanoic acid (PFMBA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-4-methoxybutanoic acid (PFMBA) | DAILY MX | report only | all year |
| PFAS | Perfluoro-4-methoxybutanoic acid (PFMBA) | DAILY MX | report only | all year |
| PFAS | 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | DAILY MX | report only | all year |
| PFAS | 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | DAILY MX | report only | all year |
| PFAS | Fluorine, adsorbable organic | DAILY MX | report only | all year |
| PFAS | Fluorine, adsorbable organic | 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