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Blast Furnaces And Steel Mills, Armorel, Arkansas. NPDES permit AR0043117 expired Mar 31, 2026; its limits still apply. Last 12 months: no values over a limit, 6 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Total production - mass | monthly average | report only (lb/d) | all year | 001 |
| Total production - mass | monthly average | report only (lb/d) | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 272 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 340 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 732.6 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 915.8 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 131.8 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 131.8 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 169.5 lb/d | all year | 001 |
| Oil & Grease | monthly average | ≤ 211.9 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 197.7 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 197.7 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 207.1 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 258.9 lb/d | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ .9 lb/d | all year | 001 |
| Zinc, total recoverable | monthly average | ≤ 1.1 lb/d | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 2.5 lb/d | all year | 001 |
| Zinc, total recoverable | daily maximum | ≤ 3.2 lb/d | all year | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year | 001 |
| Lead, total recoverable | monthly average | ≤ .6 lb/d | all year | 001 |
| Lead, total recoverable | monthly average | ≤ .7 lb/d | all year | 001 |
| Lead, total recoverable | daily maximum | ≤ 1.7 lb/d | all year | 001 |
| Lead, total recoverable | daily maximum | ≤ 2.1 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | ≤ 75 mg/L | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | monthly average | ≤ 950.8 lb/d | all year | 002 |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (lb/d) | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 200 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 3803 lb/d | all year | 002 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 002 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 190.2 lb/d | all year | 002 |
| Oil & Grease | daily maximum | ≤ 285.2 lb/d | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Copper, total recoverable | monthly average | ≤ 29.5 ug/L | all year | 002 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 59.1 ug/L | all year | 002 |
| Copper, total recoverable | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total recoverable | monthly average | ≤ .6 lb/d | all year | 002 |
| Copper, total recoverable | monthly average | ≤ .56 lb/d | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 1.1 lb/d | all year | 002 |
| Copper, total recoverable | daily maximum | ≤ 1.12 lb/d | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 62.6 lb/d | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 93.8 lb/d | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 135 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 187.6 lb/d | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 281.5 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 |
| Coliform, fecal general | 30-day geometric mean | ≤ 200 #/100mL | May–Sep | 003 |
| Coliform, fecal general | 30-day geometric mean | ≤ 1000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Coliform, fecal general | 7-day geometric mean | ≤ 400 #/100mL | May–Sep | 003 |
| Coliform, fecal general | 7-day geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #1 | 48-hour maximum | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| WET, sublethal retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX1 |
| WET, sublethal retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| WET, sublethal retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 100 % | all year | TX2 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 80 % | all year | TX2 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX2 |
Cited limits by parameter: Arkansas's rules and the federal ones.
Same industry: the 10 Primary Metal Industries permits in Arkansas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AR0043117 · MCP: https://passage-data.com/mcp