Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Woonsocket, Rhode Island. NPDES permit RI0100111, in force until Jun 30, 2031. Last 12 months: over a limit 11 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Copper, total [as Cu], daily maximum | 184 ug/L | ≤ 29.8 ug/L | 517% |
| October 2025 | Copper, total [as Cu], monthly average | 22 ug/L | ≤ 21.1 ug/L | 4% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 2.57 mg/L | ≤ 2 mg/L | 29% |
| October 2025 | Nitrogen, total [as N], monthly average | 4.92 mg/L | ≤ 3 mg/L | 64% |
| March 2026 | Enterococci, daily maximum | 285 CFU/100mL | ≤ 175 CFU/100mL | 63% |
| May 2026 | Phosphorus, total [as P], monthly average | .2 mg/L | ≤ .1 mg/L | 100% |
| July 2026 | Iron, total [as Fe], monthly average | 2135 ug/L | ≤ 1970 ug/L | 8% |
| July 2026 | Phosphorus, total [as P], monthly average | .2 mg/L | ≤ .1 mg/L | 100% |
| August 2026 | Iron, total [as Fe], monthly average | 2012 ug/L | ≤ 1970 ug/L | 2% |
| August 2026 | Phosphorus, total [as P], monthly average | .12 mg/L | ≤ .1 mg/L | 20% |
| September 2026 | Phosphorus, total [as P], monthly average | .11 mg/L | ≤ .1 mg/L | 10% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 15 mg/L | Jun–Oct |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | weekly average | ≤ 20 mg/L | Jun–Oct |
| Solids, total suspended | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 25 mg/L | Jun–Oct |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 2000 lb/d | Jun–Oct |
| Solids, total suspended | monthly average | ≤ 4000 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 3335 lb/d | Jun–Oct |
| Solids, total suspended | daily maximum | ≤ 6670 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 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 | ≤ 10 mg/L | Apr |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, total [as N] | monthly average | ≤ 3 mg/L | May–Oct |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Apr |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | Apr |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, total [as N] | monthly average | ≤ 400 lb/d | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 15 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 12 mg/L | May |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 49.4 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 53.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 53.8 mg/L | May |
| 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 |
| Phosphorus, total [as P] | monthly average | ≤ .1 mg/L | Apr–Oct |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | Jan, Feb, Mar, Nov, Dec |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jan, Feb, Mar, 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 |
| Arsenic, total [as As] | monthly average | ≤ 17.4 ug/L | all year |
| Arsenic, total [as As] | daily maximum | ≤ 1203 ug/L | all year |
| Cadmium, total [as Cd] | monthly average | ≤ .68 ug/L | all year |
| Cadmium, total [as Cd] | daily maximum | ≤ 4.7 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 | ≤ 30.5 ug/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ 66.8 ug/L | all year |
| Iron, total [as Fe] | monthly average | ≤ 1970 ug/L | all year |
| Iron, total [as Fe] | 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 | ≤ 189 ug/L | all year |
| Aluminum, total [as Al] | daily maximum | ≤ 2828 ug/L | all year |
| Selenium, total [as Se] | monthly average | ≤ 17.7 ug/L | all year |
| Selenium, total [as Se] | daily maximum | ≤ 70.7 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 | ≤ 16 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly average | ≤ 49 ug/L | all year |
| Chlorine, total residual | daily maximum | ≤ 84 ug/L | all year |
| Phosphorus, ortho | monthly average | report only (mg/L) | Jan, Feb, Mar, Nov, Dec |
| Phosphorus, ortho | daily maximum | report only (mg/L) | Jan, Feb, Mar, Nov, Dec |
| 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 | ≤ 54 #/100mL | all year |
| Enterococci | daily maximum | ≤ 175 #/100mL | all year |
| Coliform, fecal general | monthly geometric mean | report only (#/100mL) | all year |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 17 mg/L | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 3335 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1340 lb/d | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 6005 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 2270 lb/d | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (lb/d) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average 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 Renewal 48Hr Acute Ceriodaphnia dubia | minimum | ≥ 100 % | all year |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | minimum | ≥ 25 % | all year |
Cited limits by parameter: Rhode Island's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/RI0100111 · MCP: https://passage-data.com/mcp