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Blast Furnaces And Steel Mills, major discharger, Fairfield, Alabama. NPDES permit AL0003646 expired Mar 31, 2022; its limits still apply. Last 12 months: over a limit 3 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Zinc, total [as Zn], daily maximum | 23.22 | ≤ 1.85 lb/d | 1155% |
| March 2026 | Zinc, total [as Zn], monthly average | 2.6 | ≤ .62 lb/d | 319% |
| July 2026 | Solids, total suspended, monthly average | 152.63 | ≤ 126 lb/d | 21% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Solids, total suspended | monthly average | ≤ 23 lb/d | all year | 012 |
| Solids, total suspended | daily maximum | ≤ 64 lb/d | all year | 012 |
| Oil & Grease | monthly average | ≤ 9.1 lb/d | all year | 012 |
| Oil & Grease | daily maximum | ≤ 27 lb/d | all year | 012 |
| Lead, total [as Pb] | monthly average | ≤ .27 lb/d | all year | 012 |
| Lead, total [as Pb] | daily maximum | ≤ .8 lb/d | all year | 012 |
| Zinc, total [as Zn] | monthly average | ≤ .41 lb/d | all year | 012 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.2 lb/d | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| 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 |
| Solids, total suspended | monthly average | ≤ 126 lb/d | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 294 lb/d | all year | 014 |
| Oil & Grease | monthly average | ≤ 42 lb/d | all year | 014 |
| Oil & Grease | daily maximum | ≤ 126 lb/d | all year | 014 |
| Lead, total [as Pb] | monthly average | ≤ .47 lb/d | all year | 014 |
| Lead, total [as Pb] | daily maximum | ≤ 1.42 lb/d | all year | 014 |
| Zinc, total [as Zn] | monthly average | ≤ .62 lb/d | all year | 014 |
| Zinc, total [as Zn] | daily maximum | ≤ 1.85 lb/d | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Solids, total suspended | monthly average | ≤ 121 lb/d | all year | 016 |
| Solids, total suspended | daily maximum | ≤ 324 lb/d | all year | 016 |
| Oil & Grease | daily maximum | ≤ 80 lb/d | all year | 016 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 016 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 016 |
| pH | daily minimum | ≥ 6 SU | all year | 022 |
| pH | daily maximum | ≤ 8.5 SU | all year | 022 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 022 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 022 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 022 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 022 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 022 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 022 |
| Manganese, total recoverable | daily maximum | report only (mg/L) | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
| pH | daily minimum | ≥ 6 SU | all year | 024 |
| pH | daily maximum | ≤ 8.5 SU | all year | 024 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 024 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 024 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 024 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 024 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 024 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 024 |
| Manganese, total recoverable | daily maximum | report only (mg/L) | all year | 024 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 024 |
| pH | daily minimum | ≥ 6 SU | all year | 025 |
| pH | daily maximum | ≤ 8.5 SU | all year | 025 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 025 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 025 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 025 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 025 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 025 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 025 |
| Manganese, total recoverable | daily maximum | report only (mg/L) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 026 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 026 |
| pH | daily minimum | ≥ 6 SU | all year | 026 |
| pH | daily maximum | ≤ 8.5 SU | all year | 026 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 026 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 026 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 026 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | all year | 026 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 mg/L | all year | 026 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | ≤ 2 mg/L | all year | 026 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | ≤ 3 mg/L | all year | 026 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | Apr–Oct | 026 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 026 |
| Cyanide, total [as CN] | daily maximum | report only (mg/L) | all year | 026 |
| Selenium, total recoverable | monthly average | ≤ .005 mg/L | all year | 026 |
| Selenium, total recoverable | daily maximum | ≤ .005 mg/L | all year | 026 |
| Zinc, total recoverable | monthly average | ≤ .5 mg/L | all year | 026 |
| Zinc, total recoverable | daily maximum | ≤ .5 mg/L | all year | 026 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 026 |
| Lead, total recoverable | monthly average | ≤ .018 mg/L | all year | 026 |
| Lead, total recoverable | daily maximum | ≤ .486 mg/L | all year | 026 |
| Total phenols | daily maximum | report only (mg/L) | all year | 026 |
| Arsenic, trivalent dissolved | daily maximum | report only (ug/L) | all year | 026 |
| Benzene | daily maximum | report only (mg/L) | all year | 026 |
| Benzo[a]pyrene | daily maximum | report only (mg/L) | all year | 026 |
| Naphthalene | daily maximum | report only (mg/L) | all year | 026 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (mg/L) | all year | 026 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (mg/L) | all year | 026 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | ≤ .00181 mg/L | all year | 026 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (mg/L) | all year | 026 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 026 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 026 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 026 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 0 pass=0;fail=1 | all year | 026 |
| Solids, total dissolved | maximum | report only (mg/L) | all year | 026 |
| Mercury, total recoverable | monthly average | ≤ .012 ug/L | all year | 026 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 9 mg/L | May–Nov | 026 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 14 mg/L | Jan, Feb, Mar, Apr, Dec | 026 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 13.5 mg/L | May–Nov | 026 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 21 mg/L | Jan, Feb, Mar, Apr, Dec | 026 |
| pH | daily minimum | ≥ 6 SU | all year | 027 |
| pH | daily maximum | ≤ 8.5 SU | all year | 027 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 027 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 027 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 027 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 027 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 027 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 027 |
| Manganese, total recoverable | daily maximum | report only (mg/L) | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| pH | daily minimum | ≥ 6 SU | all year | 028 |
| pH | daily maximum | ≤ 8.5 SU | all year | 028 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 028 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 028 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 028 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 028 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 028 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 028 |
| Manganese, total recoverable | daily maximum | report only (mg/L) | all year | 028 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 028 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 22A |
| pH | daily minimum | ≥ 6 SU | all year | 22A |
| pH | daily maximum | ≤ 8.5 SU | all year | 22A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 22A |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 25A |
| pH | daily minimum | ≥ 6 SU | all year | 25A |
| pH | daily maximum | ≤ 8.5 SU | all year | 25A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 25A |
| Solids, total suspended | monthly average | ≤ 26 mg/L | all year | 29A |
| Solids, total suspended | monthly average | ≤ 31 mg/L | all year | 29A |
| Solids, total suspended | daily maximum | ≤ 52 mg/L | all year | 29A |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 29A |
| Oil & Grease | monthly average | ≤ 31 mg/L | all year | 29A |
| Oil & Grease | monthly average | ≤ 26 mg/L | all year | 29A |
| Oil & Grease | monthly maximum | ≤ 60 mg/L | all year | 29A |
| Oil & Grease | monthly maximum | ≤ 52 mg/L | all year | 29A |
| Cyanide, total [as CN] | monthly average | ≤ .65 mg/L | all year | 29A |
| Cyanide, total [as CN] | daily maximum | ≤ 1.2 mg/L | all year | 29A |
| Cadmium, total [as Cd] | monthly average | ≤ .07 mg/L | all year | 29A |
| Cadmium, total [as Cd] | daily maximum | ≤ .11 mg/L | all year | 29A |
| Chromium, total [as Cr] | monthly average | ≤ 1.71 mg/L | all year | 29A |
| Chromium, total [as Cr] | daily maximum | ≤ 2.77 mg/L | all year | 29A |
| Copper, total [as Cu] | monthly average | ≤ 2.07 mg/L | all year | 29A |
| Copper, total [as Cu] | daily maximum | ≤ 3.38 mg/L | all year | 29A |
| Lead, total [as Pb] | monthly average | ≤ .43 mg/L | all year | 29A |
| Lead, total [as Pb] | daily maximum | ≤ .69 mg/L | all year | 29A |
| Nickel, total [as Ni] | monthly average | ≤ 2.38 mg/L | all year | 29A |
| Nickel, total [as Ni] | daily maximum | ≤ 3.98 mg/L | all year | 29A |
| Silver, total [as Ag] | monthly average | ≤ .24 mg/L | all year | 29A |
| Silver, total [as Ag] | daily maximum | ≤ .43 mg/L | all year | 29A |
| Zinc, total [as Zn] | monthly average | ≤ 1.48 mg/L | all year | 29A |
| Zinc, total [as Zn] | daily maximum | ≤ 2.61 mg/L | all year | 29A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 29A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 29A |
| Organics, total toxic [TTO] | daily maximum | ≤ 2.13 mg/L | all year | 29A |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 23 Primary Metal Industries permits in Alabama.
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