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Exploratory Ventures, LLC

Blast Furnaces And Steel Mills, major discharger, Osceola, Arkansas. NPDES permit AR0053384, in force until Aug 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall E201 form A monthly (40 values), outfall E202 form A monthly (4 values), outfall E202 form Q quarterly (4 values), outfall TX01 form Q quarterly (12 values)
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 32 reports late

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6 SUall yearE201
pHmaximum≤ 9 SUall yearE201
Solids, total suspendedmonthly averagereport only (mg/L)all yearE201
Solids, total suspendeddaily maximumreport only (mg/L)all yearE201
Solids, total suspendedmonthly average≤ 735.4 lb/dall yearE201
Solids, total suspendeddaily maximum≤ 1847.4 lb/dall yearE201
Oil & Greasemonthly average≤ 10 mg/Lall yearE201
Oil & Greasedaily maximum≤ 15 mg/Lall yearE201
Oil & Greasemonthly average≤ 104.3 lb/dall yearE201
Oil & Greasedaily maximum≤ 156.4 lb/dall yearE201
Chromium, hexavalent [as Cr]monthly averagereport only (ug/L)all yearE201
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all yearE201
Chromium, hexavalent [as Cr]monthly average≤ .1 lb/dall yearE201
Chromium, hexavalent [as Cr]daily maximum≤ .3 lb/dall yearE201
Nickel, total recoverablemonthly averagereport only (ug/L)all yearE201
Nickel, total recoverabledaily maximumreport only (ug/L)all yearE201
Nickel, total recoverablemonthly average≤ .3 lb/dall yearE201
Nickel, total recoverabledaily maximum≤ .9 lb/dall yearE201
Zinc, total recoverablemonthly averagereport only (ug/L)all yearE201
Zinc, total recoverabledaily maximumreport only (ug/L)all yearE201
Zinc, total recoverablemonthly average≤ 2.4 lb/dall yearE201
Zinc, total recoverabledaily maximum≤ 7.2 lb/dall yearE201
Lead, total recoverablemonthly averagereport only (ug/L)all yearE201
Lead, total recoverabledaily maximumreport only (ug/L)all yearE201
Lead, total recoverablemonthly average≤ 1.7 lb/dall yearE201
Lead, total recoverabledaily maximum≤ 5.1 lb/dall yearE201
Chromium, total recoverablemonthly averagereport only (ug/L)all yearE201
Chromium, total recoverabledaily maximumreport only (ug/L)all yearE201
Chromium, total recoverablemonthly average≤ .4 lb/dall yearE201
Chromium, total recoverabledaily maximum≤ 1 lb/dall yearE201
Tetrachloroethylenemonthly averagereport only (ug/L)all yearE201
Tetrachloroethylenedaily maximumreport only (ug/L)all yearE201
Tetrachloroethylenemonthly average≤ .07 lb/dall yearE201
Tetrachloroethylenedaily maximum≤ .1 lb/dall yearE201
Naphthalenemonthly averagereport only (ug/L)all yearE201
Naphthalenedaily maximumreport only (ug/L)all yearE201
Naphthalenemonthly average≤ .05 lb/dall yearE201
Naphthalenedaily maximum≤ .1 lb/dall yearE201
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearE201
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearE201
pHminimum≥ 6 SUall yearE202
pHmaximum≤ 9 SUall yearE202
Solids, total suspendedmonthly average≤ 100 mg/Lall yearE202
Solids, total suspendeddaily maximum≤ 150 mg/Lall yearE202
Oil & Greasemonthly average≤ 10 mg/Lall yearE202
Oil & Greasedaily maximum≤ 15 mg/Lall yearE202
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearE202
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearE202
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX01
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX01
WET, sublethal retest #148-hour minimumreport only (pass=0;fail=1)all yearTX01
WET, sublethal retest #248-hour minimumreport only (pass=0;fail=1)all yearTX01
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX01
Whole Effluent Toxicity, Sub-Lethal Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX01
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX01
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX01
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX01
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX01
Coef Of Var Static Renewal 48Hr Acute D. pulex48-hour minimumreport only (%)all yearTX01
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX01

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/AR0053384 · MCP: https://passage-data.com/mcp