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Arkansas Steel Associates, LLC

Blast Furnaces And Steel Mills, Newport, Arkansas. NPDES permit AR0034550 expired May 31, 2026; its limits still apply. Last 12 months: over a limit 4 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (10 values), outfall 001 form B monthly (10 values), outfall 001 form P quarterly (4 values), outfall 001 form R quarterly (4 values), outfall 001I form C monthly (4 values), outfall 001I form Q quarterly (10 values), and 3 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 54 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimit
March 2026BOD, 5-day, 20 deg. C, daily maximum> 2.58 lb/d≤ 2.3 lb/d
March 2026BOD, 5-day, 20 deg. C, daily maximum> 204 mg/L≤ 45 mg/L
March 2026BOD, 5-day, 20 deg. C, monthly average> .67 lb/d≤ 1.5 lb/d
March 2026BOD, 5-day, 20 deg. C, monthly average> 53.7 mg/L≤ 30 mg/L

Limits in force (84)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitinstantaneous maximum≤ 89.6 deg Fall year001
Temperature, water deg. fahrenheitinstantaneous maximum≤ 89.6 deg Fall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/LMay–Oct001
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
pHminimum≥ 6 SUall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 87.5 mg/Lall year001
Solids, total suspendedmonthly average≤ 145 mg/Lall year001
Solids, total suspendeddaily maximum≤ 239 mg/Lall year001
Solids, total suspendeddaily maximum≤ 395 mg/Lall year001
Solids, total suspendedmonthly average≤ 310.2 lb/dall year001
Solids, total suspendedmonthly average≤ 310.2 lb/dall year001
Solids, total suspendeddaily maximum≤ 845.7 lb/dall year001
Solids, total suspendeddaily maximum≤ 845.7 lb/dall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Oil & Greasemonthly average≤ 35.4 lb/dall year001
Oil & Greasemonthly average≤ 21.4 lb/dall year001
Oil & Greasedaily maximum≤ 53.2 lb/dall year001
Oil & Greasedaily maximum≤ 32.2 lb/dall year001
Zinc, total recoverablemonthly average≤ 62.1 ug/Lall year001
Zinc, total recoverablemonthly average≤ 102.6 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 183.4 ug/Lall year001
Zinc, total recoverabledaily maximum≤ 303.3 ug/Lall year001
Zinc, total recoverablemonthly average≤ .22 lb/dall year001
Zinc, total recoverablemonthly average≤ .22 lb/dall year001
Zinc, total recoverabledaily maximum≤ .65 lb/dall year001
Zinc, total recoverabledaily maximum≤ .65 lb/dall year001
Lead, total recoverablemonthly average≤ 11.7 ug/Lall year001
Lead, total recoverablemonthly average≤ 11.7 ug/Lall year001
Lead, total recoverabledaily maximum≤ 23.5 ug/Lall year001
Lead, total recoverabledaily maximum≤ 23.5 ug/Lall year001
Lead, total recoverablemonthly average≤ .04 lb/dall year001
Lead, total recoverablemonthly average≤ .03 lb/dall year001
Lead, total recoverabledaily maximum≤ .08 lb/dall year001
Lead, total recoverabledaily maximum≤ .05 lb/dall year001
Copper, total recoverablemonthly average≤ 29.5 ug/Lall year001
Copper, total recoverablemonthly average≤ 29.5 ug/Lall year001
Copper, total recoverabledaily maximum≤ 59.1 ug/Lall year001
Copper, total recoverabledaily maximum≤ 59.1 ug/Lall year001
Copper, total recoverablemonthly average≤ .1 lb/dall year001
Copper, total recoverablemonthly average≤ .06 lb/dall year001
Copper, total recoverabledaily maximum≤ .21 lb/dall year001
Copper, total recoverabledaily maximum≤ .13 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001I
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001I
BOD, 5-day, 20 deg. Cmonthly average≤ 1.5 lb/dall year001I
BOD, 5-day, 20 deg. Cdaily maximum≤ 2.3 lb/dall year001I
pHminimum≥ 6 SUall year001I
pHmaximum≤ 9 SUall year001I
Solids, total suspendedmonthly average≤ 30 mg/Lall year001I
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001I
Solids, total suspendedmonthly average≤ 1.5 lb/dall year001I
Solids, total suspendeddaily maximum≤ 2.3 lb/dall year001I
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001I
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001I
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year001I
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year001I
Whole effluent toxicity - retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #17-day minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #27-day minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity - Retest #37-day minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity, Sub-Lethal Retest #37-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7-day minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7-day minimumreport only (%)all yearTX1

How strict are these limits?

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/AR0034550 · MCP: https://passage-data.com/mcp