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Albermarle Corporation - West Plant

Industrial Inorganic Chemicals, Magnolia, Arkansas. NPDES permit AR0047635, in force until Sep 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (21 values), outfall 001A form A monthly (2 values), outfall 001A form Q quarterly (10 values), outfall TX1 form F quarterly, outfall TX1 form S twice a year
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 34 reports late

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitinstantaneous maximum≤ 86 deg Fall year001
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 35 mg/Lall year001
Solids, total suspendeddaily maximum≤ 52.5 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Carbon, tot organic [TOC]daily maximum≤ 50 mg/Lall year001
Zinc, total recoverablemonthly averagereport only (ug/L)all year001
Zinc, total recoverabledaily maximumreport only (ug/L)all year001
Lead, total recoverablemonthly average≤ 2.67 ug/Lall year001
Lead, total recoverabledaily maximum≤ 5.36 ug/Lall year001
Lead, total recoverablemonthly average≤ .0101 lb/dall year001
Lead, total recoverabledaily maximum≤ .0142 lb/dall year001
Copper, total recoverablemonthly averagereport only (ug/L)all year001
Copper, total recoverabledaily maximumreport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]monthly averagereport only (ug/L)all year001
Chromium, hexavalent dissolved [as Cr]daily maximumreport only (ug/L)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
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001A
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 3.8 lb/dall year001A
BOD, 5-day, 20 deg. Cdaily maximum≤ 5.6 lb/dall year001A
Solids, total suspendedmonthly average≤ 30 mg/Lall year001A
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001A
Solids, total suspendedmonthly average≤ 3.8 lb/dall year001A
Solids, total suspendeddaily maximum≤ 5.6 lb/dall year001A
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001A
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year001A
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year001A
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, Sub-Lethal Retest #37-day minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 54 %Jan, Feb, Mar, Apr, May, DecTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 80 %Jun–NovTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 100 %Jun–NovTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 54 %Jan, Feb, Mar, Apr, May, DecTX1
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 15 Chemicals and Allied Products permits in Arkansas.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0047635 · MCP: https://passage-data.com/mcp