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Sewage treatment plant, major discharger, North Kingstown, Rhode Island. NPDES permit RI0100404, in force until Dec 31, 2030. Last 12 months: over a limit 6 times (last July 2026), 61 required values missing, 8 of 23 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | Enterococci, daily maximum | 590 CFU/100mL | ≤ 276 CFU/100mL | 114% |
| March 2026 | Enterococci, daily maximum | 970 CFU/100mL | ≤ 276 CFU/100mL | 251% |
| March 2026 | Enterococci, monthly geometric mean | 99.3 CFU/100mL | ≤ 35 CFU/100mL | 184% |
| April 2026 | Enterococci, daily maximum | 400 CFU/100mL | ≤ 276 CFU/100mL | 45% |
| July 2026 | Enterococci, daily maximum | 1370 CFU/100mL | ≤ 276 CFU/100mL | 396% |
| July 2026 | Enterococci, monthly geometric mean | 47.4 CFU/100mL | ≤ 35 CFU/100mL | 35% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 50 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 445 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 742 lb/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 445 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 742 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | report only (lb/d) | all year |
| Solids, settleable | weekly average | report only (mL/L) | all year |
| Solids, settleable | daily maximum | report only (mL/L) | all year |
| Oil & Grease | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | May–Oct |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year |
| Aluminum, total [as Al] | monthly average | report only (ug/L) | all year |
| Aluminum, total [as Al] | daily maximum | report only (ug/L) | all year |
| Aldrin | monthly average | ≤ .08 ug/L | all year |
| Aldrin | daily maximum | ≤ 104 ug/L | all year |
| Phenols | monthly average | report only (ug/L) | all year |
| Phenols | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.78 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ 1.3 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ 1.3 mg/L | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year |
| Perfluorobutanoic acid (PFBA) | daily maximum | report only (ng/L) | all year |
| Perfluorobutanoic acid (PFBA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonamide (PFOSA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonamide (PFOSA) | daily maximum | report only (ng/L) | all year |
| Perfluoropentanoic acid (PFPeA) | daily maximum | report only (ng/L) | all year |
| Perfluoropentanoic acid (PFPeA) | daily maximum | report only (ng/L) | all year |
| Perfluorohexanoic acid (PFHxA) | daily maximum | report only (ng/L) | all year |
| Perfluorohexanoic acid (PFHxA) | daily maximum | report only (ng/L) | all year |
| Perfluoroheptanoic acid (PFHpA) | daily maximum | report only (ng/L) | all year |
| Perfluoroheptanoic acid (PFHpA) | daily maximum | report only (ng/L) | all year |
| Perfluorononanoic acid (PFNA) | daily maximum | report only (ng/L) | all year |
| Perfluorononanoic acid (PFNA) | daily maximum | report only (ng/L) | all year |
| Perfluorodecanoic acid (PFDA) | daily maximum | report only (ng/L) | all year |
| Perfluorodecanoic acid (PFDA) | daily maximum | report only (ng/L) | all year |
| Perfluoroundecanoic acid (PFUnA) | daily maximum | report only (ng/L) | all year |
| Perfluoroundecanoic acid (PFUnA) | daily maximum | report only (ng/L) | all year |
| Perfluorododecanoic acid (PFDoA) | daily maximum | report only (ng/L) | all year |
| Perfluorododecanoic acid (PFDoA) | daily maximum | report only (ng/L) | all year |
| Perfluorotridecanoic acid (PFTrDA) | daily maximum | report only (ng/L) | all year |
| Perfluorotridecanoic acid (PFTrDA) | daily maximum | report only (ng/L) | all year |
| Perfluorotetradecanoic acid (PFTeDA) | daily maximum | report only (ng/L) | all year |
| Perfluorotetradecanoic acid (PFTeDA) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | daily maximum | report only (ng/L) | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year |
| Perfluorodecanesulfonic acid (PFDS) | daily maximum | report only (ng/L) | all year |
| Perfluorodecanesulfonic acid (PFDS) | daily maximum | report only (ng/L) | all year |
| Perfluoroheptanesulfonic acid (PFHpS) | daily maximum | report only (ng/L) | all year |
| Perfluoroheptanesulfonic acid (PFHpS) | daily maximum | report only (ng/L) | all year |
| Perfluorohexanesulfonic acid (PFHxS) | daily maximum | report only (ng/L) | all year |
| Perfluorohexanesulfonic acid (PFHxS) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonic acid (PFOS) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonic acid (PFOS) | daily maximum | report only (ng/L) | all year |
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | daily maximum | report only (ng/L) | all year |
| 1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS) | daily maximum | report only (ng/L) | all year |
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | daily maximum | report only (ng/L) | all year |
| 1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS) | daily maximum | report only (ng/L) | all year |
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | daily maximum | report only (ng/L) | all year |
| 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) | daily maximum | report only (ng/L) | all year |
| Perfluoropentanesulfonic acid (PFPeS) | daily maximum | report only (ng/L) | all year |
| Perfluoropentanesulfonic acid (PFPeS) | daily maximum | report only (ng/L) | all year |
| Perfluorononanesulfonic acid (PFNS) | daily maximum | report only (ng/L) | all year |
| Perfluorononanesulfonic acid (PFNS) | daily maximum | report only (ng/L) | all year |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | daily maximum | report only (ng/L) | all year |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | daily maximum | report only (ng/L) | all year |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | daily maximum | report only (ng/L) | all year |
| Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) | daily maximum | report only (ng/L) | all year |
| Perfluorododecanesulfonic acid (PFDoS) | daily maximum | report only (ng/L) | all year |
| Perfluorododecanesulfonic acid (PFDoS) | daily maximum | report only (ng/L) | all year |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | daily maximum | report only (ng/L) | all year |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | daily maximum | report only (ng/L) | all year |
| N-methyl perfluorooctanesulfonamide (NMeFOSA) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | daily maximum | report only (ng/L) | all year |
| N-ethyl perfluorooctanesulfonamide (NEtFOSA) | daily maximum | report only (ng/L) | all year |
| Enterococci | monthly geometric mean | ≤ 35 CFU/100mL | all year |
| Enterococci | daily maximum | ≤ 276 CFU/100mL | all year |
| Coliform, fecal general | monthly geometric mean | report only (MPN/100mL) | all year |
| Coliform, fecal general | daily maximum | report only (MPN/100mL) | all year |
| BOD, 5-day, percent removal | minimum | > 85 % | all year |
| Solids, suspended percent removal | minimum | > 85 % | all year |
| Cyanide, Available | monthly average | report only (ug/L) | all year |
| Cyanide, Available | daily maximum | report only (ug/L) | all year |
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | daily maximum | report only (ng/L) | all year |
| 3-Perfluoropropyl propanoic acid (3:3 FTCA) | daily maximum | report only (ng/L) | all year |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | daily maximum | report only (ng/L) | all year |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | daily maximum | report only (ng/L) | all year |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | daily maximum | report only (ng/L) | all year |
| 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS) | daily maximum | report only (ng/L) | all year |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | daily maximum | report only (ng/L) | all year |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | daily maximum | report only (ng/L) | all year |
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | daily maximum | report only (ng/L) | all year |
| 3-Perfluoroheptyl propanoic acid (7:3 FTCA) | daily maximum | report only (ng/L) | all year |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | daily maximum | report only (ng/L) | all year |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | daily maximum | report only (ng/L) | all year |
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | daily maximum | report only (ng/L) | all year |
| 2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA) | daily maximum | report only (ng/L) | all year |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | minimum | ≥ 50 % | all year |
| LC50 Static 48Hr Acute Menidia | minimum | ≥ 50 % | all year |
Cited limits by parameter: Rhode Island's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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