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Sewage treatment plant, major discharger, East Windsor, Connecticut. NPDES permit CT0100196 expired Jul 31, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Flow rate | monthly average | report only (MGD) | all year |
| Flow rate | daily maximum | report only (MGD) | all year |
| Oxygen, dissolved [DO] | instantaneous minimum | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 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 | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Solids, total suspended | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Cyanide, free [amenable to chlorination] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Cyanide, free [amenable to chlorination] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Beryllium, total [as Be] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Beryllium, total [as Be] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Thallium, total [as Tl] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Thallium, total [as Tl] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Antimony, total [as Sb] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Antimony, total [as Sb] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Polychlorinated biphenyls [PCBs] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Phenols | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Phenols | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Chlorine, total residual | instantaneous minimum | ≥ .2 mg/L | May–Sep |
| Chlorine, total residual | instantaneous maximum | ≤ 1.5 mg/L | May–Sep |
| Chlorine, total residual | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Chlorine, total residual | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| E. coli | average | ≤ 126 #/100mL | May–Sep |
| E. coli | instantaneous maximum | ≤ 410 #/100mL | May–Sep |
| Arsenic, sludge tot. dry wt [as As] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Beryllium, sludge, tot. dry wt [as Be] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Solids, total, percent | minimum | report only (%) | Feb, May, Aug, Nov |
| Solids, fixed, % of total solids | minimum | report only (%) | Feb, May, Aug, Nov |
| Solids, volatile % of total solids | minimum | report only (%) | Feb, May, Aug, Nov |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| Zinc, sludge, total, dry weight [as Zn] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Lead, sludge, total, dry weight [as Pb] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Nickel, sludge, total, dry weight [as Ni] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Mercury, sludge, total, dry weight [as Hg] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Chromium, sludge, total, dry weight [as Cr] | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Copper, sludge, total, dry weight [as Cu] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| Cadmium, sludge, total, dry weight [as Cd] | instantaneous maximum | report only (mg/kg) | Feb, May, Aug, Nov |
| BOD, 5-day, percent removal | minimum % removal | ≥ 85 % | all year |
| Solids, suspended percent removal | minimum % removal | ≥ 85 % | all year |
| NOAEL Static 48Hr Acute D. pulex | minimum | report only (% survival) | Feb, May, Aug, Nov |
| NOAEL Static 48Hr Acute D. pulex | minimum | report only (% survival) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
| NOAEL Static 48Hr Acute Pimephales promelas | minimum | report only (% survival) | Feb, May, Aug, Nov |
| NOAEL Static 48Hr Acute Pimephales promelas | minimum | report only (% survival) | Jan, Mar, Apr, Jun, Jul, Sep, Oct, Dec |
Cited limits by parameter: Connecticut's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/CT0100196 · MCP: https://passage-data.com/mcp