Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, East Greenwich, Rhode Island. NPDES permit RI0100030 expired Sep 30, 2023; its limits still apply. Last 12 months: over a limit 7 times (last May 2026), 24 required values missing, 5 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | pH, minimum | 5.9 SU | ≥ 6 SU | — |
| May 2026 | BOD, 5-day, 20 deg. C, daily maximum | 126 mg/L | ≤ 25 mg/L | 404% |
| May 2026 | BOD, 5-day, 20 deg. C, daily maximum | 816.5 lb/d | ≤ 259 lb/d | 215% |
| May 2026 | BOD, 5-day, 20 deg. C, monthly average | 16.5 mg/L | ≤ 15 mg/L | 10% |
| May 2026 | BOD, 5-day, 20 deg. C, weekly average | 46.5 mg/L | ≤ 20 mg/L | 133% |
| May 2026 | Enterococci, daily maximum | 24000000 CFU/100mL | ≤ 276 CFU/100mL | — |
| May 2026 | Nitrogen, total [as N], monthly average | 5.3 mg/L | ≤ 5 mg/L | 6% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 15 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 20 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 50 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 25 mg/L | May–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 310 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 155 lb/d | May–Oct |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 517 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 259 lb/d | May–Oct |
| 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 | ≤ 15 mg/L | May–Oct |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | weekly average | ≤ 20 mg/L | May–Oct |
| Solids, total suspended | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 25 mg/L | May–Oct |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 155 lb/d | May–Oct |
| Solids, total suspended | monthly average | ≤ 310 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 259 lb/d | May–Oct |
| Solids, total suspended | daily maximum | ≤ 517 lb/d | Jan, Feb, Mar, Apr, 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 | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | monthly average | ≤ 5 mg/L | May–Oct |
| Nitrogen, total [as N] | daily maximum | 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] | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, total [as N] | monthly average | ≤ 71 lb/d | May–Oct |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrite total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | May–Oct |
| 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) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| 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, total [as Cr] | monthly average | report only (ug/L) | all year |
| Chromium, total [as Cr] | daily maximum | report only (ug/L) | all year |
| Copper, total [as Cu] | monthly average | ≤ 48 ug/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ 89 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 |
| Ultraviolet light intensity | minimum | report only (mW/cm2) | all year |
| Ultraviolet light intensity | average | report only (mW/cm2) | all year |
| Ultraviolet light intensity | maximum | report only (mW/cm2) | all year |
| Flow, in conduit or thru treatment plant | monthly average | ≤ 1.7 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Ultraviolet light transmittance | minimum | report only (%) | all year |
| Ultraviolet light transmittance | average | report only (%) | all year |
| Ultraviolet light transmittance | maximum | report only (%) | all year |
| Cyanide, free available | monthly average | report only (ug/L) | all year |
| Cyanide, free available | daily maximum | report only (ug/L) | all year |
| Enterococci | monthly geometric mean | ≤ 35 CFU/100mL | all year |
| Enterococci | daily maximum | ≤ 276 CFU/100mL | all year |
| Ultraviolet light dosage | minimum | report only (mW-sec/cm2) | all year |
| Ultraviolet light dosage | average | report only (mW-sec/cm2) | all year |
| Ultraviolet light dosage | maximum | report only (mW-sec/cm2) | 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 |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | minimum | ≥ 100 % | all year |
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | minimum | report only (%) | 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/RI0100030 · MCP: https://passage-data.com/mcp