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Copper Rolling And Drawing, major discharger, East Alton, Illinois. NPDES permit IL0000230 expired May 31, 2021; its limits still apply. Last 12 months: over a limit once (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Coliform, fecal general, daily maximum | 1800 #/100mL | ≤ 400 #/100mL | 350% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 148 lb/d | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 296 lb/d | all year | 003 |
| pH | monthly minimum | ≥ 6 SU | all year | 003 |
| pH | monthly maximum | ≤ 10 SU | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 003 |
| Solids, total suspended | 30-day average | ≤ 114 lb/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 240 lb/d | all year | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.4 mg/L | Jun–Aug | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Jun–Aug | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 21 lb/d | Jun–Aug | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 59 lb/d | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 24 lb/d | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 129 lb/d | Jun–Aug | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 124 lb/d | Jan, Feb, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 124 lb/d | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.1 mg/L | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.5 mg/L | Jun–Aug | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 61 lb/d | Mar, Apr, May, Sep, Oct | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 52 lb/d | Jun–Aug | 003 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | all year | 003 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | all year | 003 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | all year | 003 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Chromium, total [as Cr] | 30-day average | ≤ .45 lb/d | all year | 003 |
| Chromium, total [as Cr] | daily maximum | ≤ 1.11 lb/d | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ .048 mg/L | all year | 003 |
| Copper, total [as Cu] | daily maximum | ≤ .71 lb/d | all year | 003 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | 003 |
| Lead, total [as Pb] | 30-day average | ≤ .32 lb/d | all year | 003 |
| Lead, total [as Pb] | daily maximum | ≤ .38 lb/d | all year | 003 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | all year | 003 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Nickel, total [as Ni] | 30-day average | ≤ 3.2 lb/d | all year | 003 |
| Nickel, total [as Ni] | daily maximum | ≤ 4.85 lb/d | all year | 003 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Zinc, total [as Zn] | 30-day average | ≤ 1.54 lb/d | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ 3.68 lb/d | all year | 003 |
| Oil and grease | 30-day average | ≤ 15 mg/L | all year | 003 |
| Oil and grease | daily maximum | ≤ 30 mg/L | all year | 003 |
| Oil and grease | 30-day average | ≤ 70 lb/d | all year | 003 |
| Oil and grease | daily maximum | ≤ 117 lb/d | all year | 003 |
| Phenol | daily maximum | ≤ .1 mg/L | all year | 003 |
| Phenol | daily maximum | ≤ 5.2 lb/d | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 003 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 003 |
| Duration of discharge | event total | report only (min) | all year | 003 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 148 lb/d | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 296 lb/d | all year | 004 |
| pH | monthly minimum | ≥ 6 SU | all year | 004 |
| pH | monthly maximum | ≤ 10 SU | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 004 |
| Solids, total suspended | 30-day average | ≤ 114 lb/d | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 240 lb/d | all year | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.4 mg/L | Jun–Aug | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Jun–Aug | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jan, Feb, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 24 lb/d | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 21 lb/d | Jun–Aug | 004 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 59 lb/d | Jan, Feb, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 124 lb/d | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 129 lb/d | Jun–Aug | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 124 lb/d | Jan, Feb, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.1 mg/L | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.5 mg/L | Jun–Aug | 004 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 61 lb/d | Mar, Apr, May, Sep, Oct | 004 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 52 lb/d | Jun–Aug | 004 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | all year | 004 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | all year | 004 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | all year | 004 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Chromium, total [as Cr] | 30-day average | ≤ .45 lb/d | all year | 004 |
| Chromium, total [as Cr] | daily maximum | ≤ 1.11 lb/d | all year | 004 |
| Copper, total [as Cu] | 30-day average | ≤ .35 mg/L | all year | 004 |
| Copper, total [as Cu] | daily maximum | ≤ .7 mg/L | all year | 004 |
| Copper, total [as Cu] | 30-day average | ≤ 2.53 lb/d | all year | 004 |
| Copper, total [as Cu] | daily maximum | ≤ 4.79 lb/d | all year | 004 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | 004 |
| Lead, total [as Pb] | 30-day average | ≤ .32 lb/d | all year | 004 |
| Lead, total [as Pb] | daily maximum | ≤ .38 lb/d | all year | 004 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | all year | 004 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Nickel, total [as Ni] | 30-day average | ≤ 3.2 lb/d | all year | 004 |
| Nickel, total [as Ni] | daily maximum | ≤ 4.85 lb/d | all year | 004 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 004 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | 004 |
| Zinc, total [as Zn] | 30-day average | ≤ 1.54 lb/d | all year | 004 |
| Zinc, total [as Zn] | daily maximum | ≤ 3.68 lb/d | all year | 004 |
| Oil and grease | 30-day average | ≤ 15 mg/L | all year | 004 |
| Oil and grease | daily maximum | ≤ 30 mg/L | all year | 004 |
| Oil and grease | 30-day average | ≤ 70 lb/d | all year | 004 |
| Oil and grease | daily maximum | ≤ 117 lb/d | all year | 004 |
| Phenol | daily maximum | ≤ .1 mg/L | all year | 004 |
| Phenol | daily maximum | ≤ 5.2 lb/d | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 004 |
| Duration of discharge | event total | report only (min) | all year | 004 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 34 lb/d | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 69 lb/d | all year | 005 |
| pH | monthly minimum | ≥ 6 SU | all year | 005 |
| pH | monthly maximum | ≤ 10 SU | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 005 |
| Solids, total suspended | 30-day average | ≤ 26 lb/d | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 54 lb/d | all year | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Nov, Dec | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.4 mg/L | Jun–Aug | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Mar, Apr, May, Sep, Oct | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jan, Feb, Nov, Dec | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Jun–Aug | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar, Apr, May, Sep, Oct | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 14 lb/d | Jan, Feb, Nov, Dec | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4.8 lb/d | Jun–Aug | 005 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 5.48 lb/d | Mar, Apr, May, Sep, Oct | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 29 lb/d | Jan, Feb, Nov, Dec | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 30 lb/d | Jun–Aug | 005 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 29 lb/d | Mar, Apr, May, Sep, Oct | 005 |
| Arsenic, total [as As] | 30-day average | ≤ .25 mg/L | all year | 005 |
| Arsenic, total [as As] | daily maximum | ≤ .5 mg/L | all year | 005 |
| Arsenic, total [as As] | 30-day average | ≤ .61 lb/d | all year | 005 |
| Arsenic, total [as As] | daily maximum | ≤ 1.21 lb/d | all year | 005 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | all year | 005 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | all year | 005 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | all year | 005 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | all year | 005 |
| Chromium, total [as Cr] | 30-day average | ≤ .1 lb/d | all year | 005 |
| Chromium, total [as Cr] | daily maximum | ≤ .25 lb/d | all year | 005 |
| Copper, total [as Cu] | 30-day average | ≤ .5 mg/L | all year | 005 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 005 |
| Copper, total [as Cu] | 30-day average | ≤ .57 lb/d | all year | 005 |
| Copper, total [as Cu] | daily maximum | ≤ 1.08 lb/d | all year | 005 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | 005 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | 005 |
| Lead, total [as Pb] | 30-day average | ≤ .07 lb/d | all year | 005 |
| Lead, total [as Pb] | daily maximum | ≤ .09 lb/d | all year | 005 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | all year | 005 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 005 |
| Nickel, total [as Ni] | 30-day average | ≤ .72 lb/d | all year | 005 |
| Nickel, total [as Ni] | daily maximum | ≤ 1.09 lb/d | all year | 005 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 005 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | 005 |
| Zinc, total [as Zn] | 30-day average | ≤ .35 lb/d | all year | 005 |
| Zinc, total [as Zn] | daily maximum | ≤ .83 lb/d | all year | 005 |
| Antimony, total [as Sb] | 30-day average | ≤ 2.06 lb/d | all year | 005 |
| Antimony, total [as Sb] | daily maximum | ≤ 4.58 lb/d | all year | 005 |
| Oil and grease | 30-day average | ≤ 15 mg/L | all year | 005 |
| Oil and grease | daily maximum | ≤ 30 mg/L | all year | 005 |
| Oil and grease | 30-day average | ≤ 16 lb/d | all year | 005 |
| Oil and grease | daily maximum | ≤ 26 lb/d | all year | 005 |
| Phenol | daily maximum | ≤ .1 mg/L | all year | 005 |
| Phenol | daily maximum | ≤ 5.2 lb/d | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 005 |
| Duration of discharge | event total | report only (min) | all year | 005 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 63 deg F | Jan, Feb, Mar, Dec | 006 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 93 deg F | Apr–Nov | 006 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 547 lb/d | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1095 lb/d | all year | 006 |
| pH | monthly minimum | ≥ 6 SU | all year | 006 |
| pH | monthly maximum | ≤ 10 SU | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | 006 |
| Solids, total suspended | 30-day average | ≤ 306 lb/d | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 641 lb/d | all year | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Nov, Dec | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.4 mg/L | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jan, Feb, Nov, Dec | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 360 lb/d | Jan, Feb, Nov, Dec | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 126 lb/d | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 144 lb/d | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 757 lb/d | Jan, Feb, Nov, Dec | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 784 lb/d | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 757 lb/d | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.1 mg/L | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.5 mg/L | Jun–Aug | 006 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 369 lb/d | Mar, Apr, May, Sep, Oct | 006 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 315 lb/d | Jun–Aug | 006 |
| Arsenic, total [as As] | 30-day average | ≤ .25 mg/L | all year | 006 |
| Arsenic, total [as As] | daily maximum | ≤ .5 mg/L | all year | 006 |
| Arsenic, total [as As] | 30-day average | ≤ 6.74 lb/d | all year | 006 |
| Arsenic, total [as As] | daily maximum | ≤ 13 lb/d | all year | 006 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | all year | 006 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | all year | 006 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | all year | 006 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | all year | 006 |
| Chromium, total [as Cr] | 30-day average | ≤ 2.45 lb/d | all year | 006 |
| Chromium, total [as Cr] | daily maximum | ≤ 5.41 lb/d | all year | 006 |
| Copper, total [as Cu] | 30-day average | ≤ .35 mg/L | all year | 006 |
| Copper, total [as Cu] | daily maximum | ≤ .7 mg/L | all year | 006 |
| Copper, total [as Cu] | 30-day average | ≤ 6.99 lb/d | all year | 006 |
| Copper, total [as Cu] | daily maximum | ≤ 13 lb/d | all year | 006 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | 006 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | 006 |
| Lead, total [as Pb] | 30-day average | ≤ 1.07 lb/d | all year | 006 |
| Lead, total [as Pb] | daily maximum | ≤ 1.47 lb/d | all year | 006 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | all year | 006 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | 006 |
| Nickel, total [as Ni] | 30-day average | ≤ 9.33 lb/d | all year | 006 |
| Nickel, total [as Ni] | daily maximum | ≤ 15 lb/d | all year | 006 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | 006 |
| Zinc, total [as Zn] | 30-day average | ≤ 5.17 lb/d | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ 12 lb/d | all year | 006 |
| Antimony, total [as Sb] | 30-day average | ≤ 23 lb/d | all year | 006 |
| Antimony, total [as Sb] | daily maximum | ≤ 51 lb/d | all year | 006 |
| Oil and grease | 30-day average | ≤ 15 mg/L | all year | 006 |
| Oil and grease | daily maximum | ≤ 30 mg/L | all year | 006 |
| Oil and grease | 30-day average | ≤ 196 lb/d | all year | 006 |
| Oil and grease | daily maximum | ≤ 332 lb/d | all year | 006 |
| Phenol | daily maximum | ≤ .1 mg/L | all year | 006 |
| Phenol | daily maximum | ≤ 5.2 lb/d | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 006 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 006 |
| Duration of discharge | event total | report only (min) | all year | 006 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 63 deg F | Jan, Feb, Mar, Dec | 011 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 93 deg F | Apr–Nov | 011 |
| pH | monthly minimum | ≥ 6 SU | all year | 011 |
| pH | monthly maximum | ≤ 9 SU | all year | 011 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 011 |
| Duration of discharge | event total | report only (min) | all year | 011 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 63 deg F | Jan, Feb, Mar, Dec | 013 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 93 deg F | Apr–Nov | 013 |
| pH | monthly minimum | ≥ 6 SU | all year | 013 |
| pH | monthly maximum | ≤ 9 SU | all year | 013 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 013 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 013 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 013 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 013 |
| Temperature, water deg. fahrenheit | monthly maximum | report only (deg F) | all year | 015 |
| pH | monthly minimum | ≥ 6 SU | all year | 015 |
| pH | monthly maximum | ≤ 10 SU | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | 015 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 63 deg F | Jan, Feb, Mar, Dec | A14 |
| Temperature, water deg. fahrenheit | monthly maximum | ≤ 93 deg F | Apr–Nov | A14 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | all year | A14 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | A14 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 547 lb/d | all year | A14 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1095 lb/d | all year | A14 |
| pH | monthly minimum | ≥ 6 SU | all year | A14 |
| pH | monthly maximum | ≤ 10 SU | all year | A14 |
| Solids, total suspended | 30-day average | ≤ 12 mg/L | all year | A14 |
| Solids, total suspended | daily maximum | ≤ 24 mg/L | all year | A14 |
| Solids, total suspended | 30-day average | ≤ 306 lb/d | all year | A14 |
| Solids, total suspended | daily maximum | ≤ 641 lb/d | all year | A14 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.1 mg/L | Mar, Apr, May, Sep, Oct | A14 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 3.5 mg/L | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 369 lb/d | Mar, Apr, May, Sep, Oct | A14 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 315 lb/d | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.4 mg/L | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Nov, Dec | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 1.6 mg/L | Mar, Apr, May, Sep, Oct | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Jan, Feb, Nov, Dec | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Mar, Apr, May, Sep, Oct | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 126 lb/d | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 360 lb/d | Jan, Feb, Nov, Dec | A14 |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 144 lb/d | Mar, Apr, May, Sep, Oct | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 784 lb/d | Jun–Aug | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 757 lb/d | Jan, Feb, Nov, Dec | A14 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 757 lb/d | Mar, Apr, May, Sep, Oct | A14 |
| Arsenic, total [as As] | 30-day average | ≤ .25 mg/L | all year | A14 |
| Arsenic, total [as As] | daily maximum | ≤ .5 mg/L | all year | A14 |
| Arsenic, total [as As] | 30-day average | ≤ 6.74 lb/d | all year | A14 |
| Arsenic, total [as As] | daily maximum | ≤ 13 lb/d | all year | A14 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | all year | A14 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | all year | A14 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | all year | A14 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | all year | A14 |
| Chromium, total [as Cr] | 30-day average | ≤ 2.45 lb/d | all year | A14 |
| Chromium, total [as Cr] | daily maximum | ≤ 5.41 lb/d | all year | A14 |
| Copper, total [as Cu] | 30-day average | ≤ .35 mg/L | all year | A14 |
| Copper, total [as Cu] | daily maximum | ≤ .7 mg/L | all year | A14 |
| Copper, total [as Cu] | 30-day average | ≤ 6.99 lb/d | all year | A14 |
| Copper, total [as Cu] | daily maximum | ≤ 13 lb/d | all year | A14 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | A14 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | A14 |
| Lead, total [as Pb] | 30-day average | ≤ 1.07 lb/d | all year | A14 |
| Lead, total [as Pb] | daily maximum | ≤ 1.47 lb/d | all year | A14 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | all year | A14 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | all year | A14 |
| Nickel, total [as Ni] | 30-day average | ≤ 9.33 lb/d | all year | A14 |
| Nickel, total [as Ni] | daily maximum | ≤ 15 lb/d | all year | A14 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | all year | A14 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | all year | A14 |
| Zinc, total [as Zn] | 30-day average | ≤ 5.17 lb/d | all year | A14 |
| Zinc, total [as Zn] | daily maximum | ≤ 12 lb/d | all year | A14 |
| Antimony, total [as Sb] | 30-day average | ≤ 23 lb/d | all year | A14 |
| Antimony, total [as Sb] | daily maximum | ≤ 51 lb/d | all year | A14 |
| Oil and grease | 30-day average | ≤ 15 mg/L | all year | A14 |
| Oil and grease | daily maximum | ≤ 30 mg/L | all year | A14 |
| Oil and grease | 30-day average | ≤ 196 lb/d | all year | A14 |
| Oil and grease | daily maximum | ≤ 332 lb/d | all year | A14 |
| Phenol | daily maximum | ≤ .1 mg/L | all year | A14 |
| Phenol | daily maximum | ≤ 5.2 lb/d | all year | A14 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | A14 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | A14 |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | all year | A14 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | A14 |
| Duration of discharge | event total | report only (min) | all year | A14 |
| Solids, total suspended | 30-day average | ≤ 15 mg/L | all year | A15 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | A15 |
| Solids, total suspended | 30-day average | ≤ 20 lb/d | all year | A15 |
| Solids, total suspended | daily maximum | ≤ 40 lb/d | all year | A15 |
| Cadmium, total [as Cd] | annual average | ≤ .15 mg/L | all year | A15 |
| Cadmium, total [as Cd] | annual average | ≤ .15 mg/L | all year | A15 |
| Cadmium, total [as Cd] | annual maximum | ≤ .3 mg/L | all year | A15 |
| Cadmium, total [as Cd] | annual maximum | ≤ .3 mg/L | all year | A15 |
| Cadmium, total [as Cd] | annual average | ≤ .2 lb/d | all year | A15 |
| Cadmium, total [as Cd] | annual average | ≤ .2 lb/d | all year | A15 |
| Cadmium, total [as Cd] | annual maximum | ≤ .4 lb/d | all year | A15 |
| Cadmium, total [as Cd] | annual maximum | ≤ .4 lb/d | all year | A15 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | A15 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | A15 |
| Chromium, total [as Cr] | 30-day average | ≤ 1.32 lb/d | Mar, Jun, Sep, Dec | A15 |
| Chromium, total [as Cr] | daily maximum | ≤ 2.64 lb/d | Mar, Jun, Sep, Dec | A15 |
| Copper, total [as Cu] | 30-day average | ≤ .5 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Copper, total [as Cu] | 30-day average | ≤ .66 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Copper, total [as Cu] | daily maximum | ≤ 1.32 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | all year | A15 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | all year | A15 |
| Lead, total [as Pb] | 30-day average | ≤ .26 lb/d | all year | A15 |
| Lead, total [as Pb] | daily maximum | ≤ .53 lb/d | all year | A15 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | A15 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | A15 |
| Nickel, total [as Ni] | 30-day average | ≤ 1.32 lb/d | Mar, Jun, Sep, Dec | A15 |
| Nickel, total [as Ni] | daily maximum | ≤ 2.64 lb/d | Mar, Jun, Sep, Dec | A15 |
| Silver, total [as Ag] | annual average | ≤ .1 mg/L | all year | A15 |
| Silver, total [as Ag] | annual average | ≤ .1 mg/L | all year | A15 |
| Silver, total [as Ag] | annual maximum | ≤ .2 mg/L | all year | A15 |
| Silver, total [as Ag] | annual maximum | ≤ .2 mg/L | all year | A15 |
| Silver, total [as Ag] | annual average | ≤ .13 lb/d | all year | A15 |
| Silver, total [as Ag] | annual average | ≤ .13 lb/d | all year | A15 |
| Silver, total [as Ag] | annual maximum | ≤ .26 lb/d | all year | A15 |
| Silver, total [as Ag] | annual maximum | ≤ .26 lb/d | all year | A15 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | A15 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | A15 |
| Zinc, total [as Zn] | 30-day average | ≤ 1.32 lb/d | Mar, Jun, Sep, Dec | A15 |
| Zinc, total [as Zn] | daily maximum | ≤ 2.64 lb/d | Mar, Jun, Sep, Dec | A15 |
| Oil and grease | 30-day average | ≤ 15 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Oil and grease | daily maximum | ≤ 30 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Oil and grease | 30-day average | ≤ 20 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Oil and grease | daily maximum | ≤ 40 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | A15 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | A15 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | A15 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 30 mg/L | all year | B15 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 60 mg/L | all year | B15 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 547 lb/d | all year | B15 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 1095 lb/d | all year | B15 |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year | B15 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | B15 |
| Solids, total suspended | 30-day average | ≤ 306 lb/d | all year | B15 |
| Solids, total suspended | daily maximum | ≤ 641 lb/d | all year | B15 |
| Arsenic, total [as As] | 30-day average | ≤ .25 mg/L | Mar, Jun, Sep, Dec | B15 |
| Arsenic, total [as As] | daily maximum | ≤ .5 mg/L | Mar, Jun, Sep, Dec | B15 |
| Arsenic, total [as As] | 30-day average | ≤ 6.74 lb/d | Mar, Jun, Sep, Dec | B15 |
| Arsenic, total [as As] | daily maximum | ≤ 13 lb/d | Mar, Jun, Sep, Dec | B15 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .05 mg/L | Mar, Jun, Sep, Dec | B15 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 2.6 lb/d | Mar, Jun, Sep, Dec | B15 |
| Chromium, total [as Cr] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | B15 |
| Chromium, total [as Cr] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | B15 |
| Chromium, total [as Cr] | 30-day average | ≤ 2.45 lb/d | Mar, Jun, Sep, Dec | B15 |
| Chromium, total [as Cr] | daily maximum | ≤ 5.41 lb/d | Mar, Jun, Sep, Dec | B15 |
| Copper, total [as Cu] | 30-day average | ≤ .35 mg/L | all year | B15 |
| Copper, total [as Cu] | daily maximum | ≤ .7 mg/L | all year | B15 |
| Copper, total [as Cu] | 30-day average | ≤ 6.99 lb/d | all year | B15 |
| Copper, total [as Cu] | daily maximum | ≤ 13 lb/d | all year | B15 |
| Lead, total [as Pb] | 30-day average | ≤ .2 mg/L | Mar, Jun, Sep, Dec | B15 |
| Lead, total [as Pb] | daily maximum | ≤ .4 mg/L | Mar, Jun, Sep, Dec | B15 |
| Lead, total [as Pb] | 30-day average | ≤ 1.07 lb/d | Mar, Jun, Sep, Dec | B15 |
| Lead, total [as Pb] | daily maximum | ≤ 1.47 lb/d | Mar, Jun, Sep, Dec | B15 |
| Nickel, total [as Ni] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | B15 |
| Nickel, total [as Ni] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | B15 |
| Nickel, total [as Ni] | 30-day average | ≤ 9.33 lb/d | Mar, Jun, Sep, Dec | B15 |
| Nickel, total [as Ni] | daily maximum | ≤ 15 lb/d | Mar, Jun, Sep, Dec | B15 |
| Zinc, total [as Zn] | 30-day average | ≤ 1 mg/L | Mar, Jun, Sep, Dec | B15 |
| Zinc, total [as Zn] | daily maximum | ≤ 2 mg/L | Mar, Jun, Sep, Dec | B15 |
| Zinc, total [as Zn] | 30-day average | ≤ 5.17 lb/d | Mar, Jun, Sep, Dec | B15 |
| Zinc, total [as Zn] | daily maximum | ≤ 12 lb/d | Mar, Jun, Sep, Dec | B15 |
| Antimony, total [as Sb] | 30-day average | ≤ 23 lb/d | Mar, Jun, Sep, Dec | B15 |
| Antimony, total [as Sb] | daily maximum | ≤ 51 lb/d | Mar, Jun, Sep, Dec | B15 |
| Oil and grease | 30-day average | ≤ 15 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | B15 |
| Oil and grease | daily maximum | ≤ 30 mg/L | Feb, Apr, Jun, Aug, Oct, Dec | B15 |
| Oil and grease | 30-day average | ≤ 196 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | B15 |
| Oil and grease | daily maximum | ≤ 332 lb/d | Feb, Apr, Jun, Aug, Oct, Dec | B15 |
| Phenol | daily maximum | ≤ .1 mg/L | Mar, Jun, Sep, Dec | B15 |
| Phenol | daily maximum | ≤ 5.2 lb/d | Mar, Jun, Sep, Dec | B15 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | B15 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | B15 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | Mar, Jun, Sep, Dec | B15 |
| Cyanide, total [as CN] | 30-day average | ≤ .1 mg/L | Mar, Jun, Sep, Dec | C15 |
| Cyanide, total [as CN] | daily maximum | ≤ .2 mg/L | Mar, Jun, Sep, Dec | C15 |
| Cyanide, total [as CN] | 30-day average | ≤ .003 lb/d | Mar, Jun, Sep, Dec | C15 |
| Cyanide, total [as CN] | daily maximum | ≤ .006 lb/d | Mar, Jun, Sep, Dec | C15 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | C15 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | C15 |
| Organics, total toxic [TTO] | daily maximum | ≤ 2.13 mg/L | all year | C15 |
Cited limits by parameter: Illinois's rules and the federal ones.
Same industry: the 22 Primary Metal Industries permits in Illinois.
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