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Tyson Poultry, Inc. Dardanelle Processing Plant

Poultry Slaughtering And Processing, Dardanelle, Arkansas. NPDES permit AR0036714 expired Feb 28, 2026; its limits still apply. Last 12 months: no values over a limit, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form A monthly (35 values), outfall TX1 form Q quarterly (12 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 1 of 16 reports late

Limits in force (47)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 16 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 26 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 173.5 lb/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 281.9 lb/dall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 216.8 lb/dall year001
Solids, total suspendeddaily maximum≤ 325.3 lb/dall year001
Oil & Greasemonthly average≤ 8 mg/Lall year001
Oil & Greasedaily maximum≤ 14 mg/Lall year001
Oil & Greasemonthly average≤ 86.7 lb/dall year001
Oil & Greasedaily maximum≤ 151.8 lb/dall year001
Nitrogen, total [as N]monthly average≤ 103 mg/Lall year001
Nitrogen, total [as N]daily maximum≤ 147 mg/Lall year001
Nitrogen, total [as N]monthly average≤ 1116.7 lb/dall year001
Nitrogen, total [as N]daily maximum≤ 1593.8 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/Lall year001
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 43.4 lb/dall year001
Nitrogen, ammonia total [as N]daily maximum≤ 86.7 lb/dall year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)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
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity, Sub-Lethal Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute D. pulex48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1

How strict are these limits?

Cited limits by parameter: Arkansas's rules and the federal ones.

Same industry: the 17 Food and Kindred Products 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/AR0036714 · MCP: https://passage-data.com/mcp