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Associated Electric Cooperative, Inc.-Dell Power Plant

Electric Services, major discharger, Dell, Arkansas. NPDES permit AR0049425, in force until Feb 28, 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 (33 values), outfall 001 form F quarterly, outfall TX1 form Q quarterly
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 19 reports late

Limits in force (55)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitinstantaneous maximum≤ 95 deg Fall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 15.3 mg/Lall year001
Solids, total suspendeddaily maximum≤ 44.1 mg/Lall year001
Solids, total suspendedmonthly average≤ 108.1 lb/dall year001
Solids, total suspendeddaily maximum≤ 311.5 lb/dall year001
Oil & Greasemonthly average≤ 7.3 mg/Lall year001
Oil & Greasedaily maximum≤ 10 mg/Lall year001
Oil & Greasemonthly average≤ 51.6 lb/dall year001
Oil & Greasedaily maximum≤ 70.6 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 5.9 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LApr001
Nitrogen, ammonia total [as N]daily maximum≤ 5.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 14.7 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 14.8 lb/dApr001
Nitrogen, ammonia total [as N]monthly average≤ 14.8 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 41.7 lb/dJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 36.7 lb/dApr001
Nitrogen, ammonia total [as N]daily maximum≤ 36.7 lb/dMay–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 103.8 lb/dJan, Feb, Mar, Nov, Dec001
Sulfate, total [as SO4]monthly average≤ 480 mg/Lall year001
Sulfate, total [as SO4]daily maximum≤ 720 mg/Lall year001
Sulfate, total [as SO4]monthly average≤ 3390.7 lb/dall year001
Sulfate, total [as SO4]daily maximum≤ 5086.1 lb/dall year001
Copper, total recoverablemonthly average≤ 29.5 ug/Lall year001
Copper, total recoverabledaily maximum≤ 59.1 ug/Lall year001
Copper, total recoverablemonthly average≤ .1 lb/dall year001
Copper, total recoverabledaily maximum≤ .3 lb/dall 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
Chlorine, free availablemonthly average≤ .2 mg/Lall year001
Chlorine, free availabledaily maximum≤ .5 mg/Lall year001
Chlorine, free availablemonthly average≤ .1 lb/dall year001
Chlorine, free availabledaily maximum≤ .2 lb/dall year001
Solids, total dissolvedmonthly average≤ 1200 mg/Lall year001
Solids, total dissolveddaily maximum≤ 1800 mg/Lall year001
Solids, total dissolvedmonthly average≤ 8476.8 lb/dall year001
Solids, total dissolveddaily maximum≤ 12715.2 lb/dall year001
Bromide [as Br]monthly averagereport only (mg/L)all year001
Bromide [as Br]daily maximumreport only (mg/L)all year001
Bromide [as Br]monthly averagereport only (lb/d)all year001
Bromide [as Br]daily maximumreport only (lb/d)all year001
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≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - C. dubia7-day minimum≥ 80 %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 Pimephales promelas7-day minimumreport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-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 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 18 Electric Services 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/AR0049425 · MCP: https://passage-data.com/mcp