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Sewage treatment plant, major discharger, Bennington, Vermont. NPDES permit VT0100021, in force until Jun 30, 2029. Last 12 months: no values over a limit, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun–Oct |
| Turbidity | daily maximum | report only (NTU) | Jun–Oct |
| Septage discharged to treatment fac. | monthly total | report only (gal) | all year |
| Septage discharged to treatment fac. | daily maximum | report only (gal) | all year |
| Oxygen demand, ultimate | daily maximum | ≤ 1700 lb/d | Jun–Oct |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | Jun–Oct |
| Oxygen, dissolved percent saturation | daily maximum | report only (%) | Jun–Oct |
| 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 | ≤ 1276 lb/d | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 1914 lb/d | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 8.5 SU | all year |
| pH | daily maximum | report only (SU) | Jun–Oct |
| 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 | ≤ 1276 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 1914 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, settleable | instantaneous maximum | ≤ 1 mL/L | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Aug–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (lb/d) | Aug–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | Jun–Oct |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | daily maximum | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Jun–Oct |
| Carbon, dissolved organic [as C] | daily maximum | report only (mg/L) | Aug–Oct |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Aug–Oct |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | Aug–Oct |
| Arsenic, total [as As] | daily maximum | report only (lb/d) | Aug–Oct |
| Beryllium, total [as Be] | daily maximum | report only (mg/L) | Aug–Oct |
| Beryllium, total [as Be] | daily maximum | report only (lb/d) | Aug–Oct |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Aug–Oct |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | Aug–Oct |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | Aug–Oct |
| Chromium, total [as Cr] | daily maximum | report only (lb/d) | Aug–Oct |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Aug–Oct |
| Copper, total [as Cu] | daily maximum | report only (lb/d) | Aug–Oct |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Aug–Oct |
| Lead, total [as Pb] | daily maximum | report only (lb/d) | Aug–Oct |
| Thallium, total [as Tl] | daily maximum | report only (mg/L) | Aug–Oct |
| Thallium, total [as Tl] | daily maximum | report only (lb/d) | Aug–Oct |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Aug–Oct |
| Nickel, total [as Ni] | daily maximum | report only (lb/d) | Aug–Oct |
| Silver, total [as Ag] | daily maximum | report only (mg/L) | Aug–Oct |
| Silver, total [as Ag] | daily maximum | report only (lb/d) | Aug–Oct |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Aug–Oct |
| Zinc, total [as Zn] | daily maximum | report only (lb/d) | Aug–Oct |
| Antimony, total [as Sb] | daily maximum | report only (mg/L) | Aug–Oct |
| Antimony, total [as Sb] | daily maximum | report only (lb/d) | Aug–Oct |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Aug–Oct |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | Aug–Oct |
| Selenium, total [as Se] | daily maximum | report only (mg/L) | Aug–Oct |
| Selenium, total [as Se] | daily maximum | report only (lb/d) | Aug–Oct |
| E. coli, thermotol, MF, MTEC | instantaneous maximum | ≤ 77 CFU/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| E. coli, thermotol, MF, MTEC | instantaneous maximum | ≤ 77 #/100mL | May–Sep |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | annual average | ≤ 5.1 MGD | Dec |
| Chlorine, total residual | monthly average | ≤ .034 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .09 mg/L | all year |
| Mercury, total [as Hg] | daily maximum | report only (mg/L) | Aug–Oct |
| Mercury, total [as Hg] | daily maximum | report only (lb/d) | Aug–Oct |
| BOD, 5-day, percent removal | monthly minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly minimum | ≥ 85 % | all year |
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | instantaneous maximum | report only (%) | Aug–Oct |
| IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | instantaneous maximum | report only (%) | Aug–Oct |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | instantaneous maximum | report only (%) | Aug–Oct |
| LC50 Static Renewal 48Hr Acute Pimephales promelas | instantaneous maximum | report only (%) | Aug–Oct |
| NOAEL Statis Renewal 48Hr Acute Ceriodaphnia dubia | instantaneous maximum | report only (%) | Aug–Oct |
| NOAEL Static Renewal 48Hr Acute Pimephales promelas | instantaneous maximum | report only (%) | Aug–Oct |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | instantaneous maximum | report only (%) | Aug–Oct |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | instantaneous maximum | report only (%) | Aug–Oct |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Phosphorus, total [as P], monthly average | 0.21 mg/L (Jun–Oct) | new | 1.9 mg/L (4 values) | 9.05× |
Cited limits by parameter: Vermont'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/VT0100021 · MCP: https://passage-data.com/mcp