Passage Data · Check a report · Use it from your AI
Copper Rolling And Drawing, major discharger, Waterbury, Connecticut. NPDES permit CT0021873, in force until Dec 31, 2029. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Flow rate | monthly average | ≤ 192000 gal/d | all year |
| Flow rate | monthly average | ≤ 192000 gal/d | 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) | Feb, May, Aug, Nov |
| Solids, total suspended | monthly average | ≤ 19.727 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 19.727 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 29.59 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 29.59 mg/L | all year |
| Oil & Grease | monthly average | ≤ 9.86 mg/L | all year |
| Oil & Grease | monthly average | ≤ 9.86 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| 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) | Feb, May, Aug, Nov |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| 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) | Feb, May, Aug, Nov |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year |
| Cyanide, total [as CN] | monthly average | ≤ .641 mg/L | Oct |
| Cyanide, total [as CN] | monthly average | ≤ .641 mg/L | Oct |
| Cyanide, total [as CN] | daily maximum | ≤ 1.184 mg/L | Oct |
| Cyanide, total [as CN] | daily maximum | ≤ 1.184 mg/L | Oct |
| Fluoride, total [as F] | monthly average | ≤ 20 mg/L | Feb, May, Aug, Nov |
| Fluoride, total [as F] | monthly average | ≤ 20 mg/L | Feb, May, Aug, Nov |
| Fluoride, total [as F] | daily maximum | ≤ 30 mg/L | Feb, May, Aug, Nov |
| Fluoride, total [as F] | daily maximum | ≤ 30 mg/L | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | monthly average | ≤ .099 mg/L | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | monthly average | ≤ .099 mg/L | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | daily maximum | ≤ .493 mg/L | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | daily maximum | ≤ .493 mg/L | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | monthly average | ≤ .0208 kg/d | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | monthly average | ≤ .0208 kg/d | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | daily maximum | ≤ .0418 kg/d | Feb, May, Aug, Nov |
| Cadmium, total [as Cd] | daily maximum | ≤ .0418 kg/d | Feb, May, Aug, Nov |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .099 mg/L | all year |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .099 mg/L | all year |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .197 mg/L | all year |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .197 mg/L | all year |
| Chromium, total [as Cr] | monthly average | ≤ .67 mg/L | all year |
| Chromium, total [as Cr] | monthly average | ≤ .67 mg/L | all year |
| Chromium, total [as Cr] | daily maximum | ≤ 1.89 mg/L | all year |
| Chromium, total [as Cr] | daily maximum | ≤ 1.89 mg/L | all year |
| Copper, total [as Cu] | monthly average | ≤ .254 mg/L | all year |
| Copper, total [as Cu] | monthly average | ≤ .254 mg/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ .637 mg/L | all year |
| Copper, total [as Cu] | daily maximum | ≤ .637 mg/L | all year |
| Copper, total [as Cu] | monthly average | ≤ .184 kg/d | all year |
| Copper, total [as Cu] | monthly average | ≤ .184 kg/d | all year |
| Copper, total [as Cu] | daily maximum | ≤ .463 kg/d | all year |
| Copper, total [as Cu] | daily maximum | ≤ .463 kg/d | all year |
| Iron, total [as Fe] | monthly average | ≤ 2.96 mg/L | all year |
| Iron, total [as Fe] | monthly average | ≤ 2.96 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 4.93 mg/L | all year |
| Iron, total [as Fe] | daily maximum | ≤ 4.93 mg/L | all year |
| Lead, total [as Pb] | monthly average | ≤ .019 mg/L | all year |
| Lead, total [as Pb] | monthly average | ≤ .019 mg/L | all year |
| Lead, total [as Pb] | daily maximum | ≤ .06 mg/L | all year |
| Lead, total [as Pb] | daily maximum | ≤ .06 mg/L | all year |
| Lead, total [as Pb] | monthly average | ≤ .014 kg/d | all year |
| Lead, total [as Pb] | monthly average | ≤ .014 kg/d | all year |
| Lead, total [as Pb] | daily maximum | ≤ .0408 kg/d | all year |
| Lead, total [as Pb] | daily maximum | ≤ .0408 kg/d | all year |
| Nickel, total [as Ni] | monthly average | ≤ .97 mg/L | all year |
| Nickel, total [as Ni] | monthly average | ≤ .97 mg/L | all year |
| Nickel, total [as Ni] | daily maximum | ≤ 1.92 mg/L | all year |
| Nickel, total [as Ni] | daily maximum | ≤ 1.92 mg/L | all year |
| Nickel, total [as Ni] | monthly average | ≤ .489 kg/d | all year |
| Nickel, total [as Ni] | monthly average | ≤ .489 kg/d | all year |
| Nickel, total [as Ni] | daily maximum | ≤ .982 kg/d | all year |
| Nickel, total [as Ni] | daily maximum | ≤ .982 kg/d | all year |
| Silver, total [as Ag] | monthly average | ≤ .099 mg/L | all year |
| Silver, total [as Ag] | monthly average | ≤ .099 mg/L | all year |
| Silver, total [as Ag] | daily maximum | ≤ .424 mg/L | all year |
| Silver, total [as Ag] | daily maximum | ≤ .424 mg/L | all year |
| Silver, total [as Ag] | monthly average | ≤ .0105 kg/d | all year |
| Silver, total [as Ag] | monthly average | ≤ .0105 kg/d | all year |
| Silver, total [as Ag] | daily maximum | ≤ .0244 kg/d | all year |
| Silver, total [as Ag] | daily maximum | ≤ .0244 kg/d | all year |
| Zinc, total [as Zn] | monthly average | ≤ .45 mg/L | all year |
| Zinc, total [as Zn] | monthly average | ≤ .45 mg/L | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 1.4 mg/L | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 1.4 mg/L | all year |
| Zinc, total [as Zn] | monthly average | ≤ .328 kg/d | all year |
| Zinc, total [as Zn] | monthly average | ≤ .328 kg/d | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 1.018 kg/d | all year |
| Zinc, total [as Zn] | daily maximum | ≤ 1.018 kg/d | all year |
| Aluminum, total [as Al] | monthly average | ≤ 1.973 mg/L | Feb, May, Aug, Nov |
| Aluminum, total [as Al] | monthly average | ≤ 1.973 mg/L | Feb, May, Aug, Nov |
| Aluminum, total [as Al] | daily maximum | ≤ 3.946 mg/L | Feb, May, Aug, Nov |
| Aluminum, total [as Al] | daily maximum | ≤ 3.946 mg/L | Feb, May, Aug, Nov |
| Chloroform | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Chloroform | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Methylene chloride | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Methylene chloride | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Surfactants [MBAS] | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Surfactants [MBAS] | instantaneous maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Flow, maximum during 24 hr period | daily maximum | ≤ 288000 gal/d | all year |
| Flow, maximum during 24 hr period | daily maximum | ≤ 288000 gal/d | all year |
| Chlorine, total residual | monthly average | ≤ .189 mg/L | all year |
| Chlorine, total residual | monthly average | ≤ .189 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .407 mg/L | all year |
| Chlorine, total residual | daily maximum | ≤ .407 mg/L | all year |
| pH, maximum | instantaneous maximum | ≤ 8.5 SU | all year |
| pH, maximum | instantaneous maximum | ≤ 8.5 SU | all year |
| pH, minimum | instantaneous minimum | ≥ 6.8 SU | all year |
| pH, minimum | instantaneous minimum | ≥ 6.8 SU | all year |
| Solids, total dissolved | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Solids, total dissolved | daily maximum | report only (mg/L) | Feb, May, Aug, Nov |
| Organics, total toxic [TTO] | instantaneous maximum | ≤ .06 mg/L | all year |
| Organics, total toxic [TTO] | instantaneous maximum | ≤ .06 mg/L | all year |
| LC50 Static 48Hr Acute D. Pulex | minimum | ≥ 70 % | all year |
| LC50 Static 48Hr Acute D. Pulex | minimum | ≥ 70 % | all year |
| LC50 Static 48Hr Acute Pimephales promelas | instantaneous minimum | ≥ 70 % | all year |
| LC50 Static 48Hr Acute Pimephales promelas | instantaneous minimum | ≥ 70 % | all year |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | report only (%) | all year |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | report only (%) | all year |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | minimum | report only (%) | all year |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | report only (%) | all year |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | minimum | report only (%) | all year |
Cited limits by parameter: Connecticut's rules and the federal ones.
Same industry: the 3 Primary Metal Industries permits in Connecticut.
· 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/CT0021873 · MCP: https://passage-data.com/mcp