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Signal Resources, LLC

Bituminous Coal And Lignite - Surface, Townley, Alabama. NPDES permit AL0084493, in force until Jan 29, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 012 form 1 quarterly (32 values), outfall 012 form Q quarterly (6 values), outfall 012 form W quarterly (20 values), outfall 013 form 1 quarterly (32 values), outfall 013 form Q quarterly (6 values), outfall 013 form W quarterly (20 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 22 of 36 reports late

Limits in force (116)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly averagereport only (uS/cm)all year012
Specific conductancemonthly averagereport only (uS/cm)all year012
Specific conductancedaily maximumreport only (uS/cm)all year012
Specific conductancedaily maximumreport only (uS/cm)all year012
Specific conductancemonthly averagereport only (uS/cm)all year012
Specific conductancemonthly averagereport only (uS/cm)all year012
Specific conductancedaily maximumreport only (uS/cm)all year012
Specific conductancedaily maximumreport only (uS/cm)all year012
Sulfate [as S]monthly averagereport only (mg/L)all year012
Sulfate [as S]monthly averagereport only (mg/L)all year012
Sulfate [as S]daily maximumreport only (mg/L)all year012
Sulfate [as S]daily maximumreport only (mg/L)all year012
Sulfate [as S]monthly averagereport only (mg/L)all year012
Sulfate [as S]monthly averagereport only (mg/L)all year012
Sulfate [as S]daily maximumreport only (mg/L)all year012
Sulfate [as S]daily maximumreport only (mg/L)all year012
pHdaily minimum≥ 6 SUall year012
pHdaily minimum≥ 6 SUall year012
pHdaily maximum≤ 8.5 SUall year012
pHdaily maximum≤ 8.5 SUall year012
pHdaily minimum≥ 6 SUall year012
pHdaily minimum≥ 6 SUall year012
pHdaily maximum≤ 10.5 SUall year012
pHdaily maximum≤ 10.5 SUall year012
pHdaily minimum≥ 6 SUall year012
pHdaily minimum≥ 6 SUall year012
pHdaily maximum≤ 9 SUall year012
pHdaily maximum≤ 9 SUall year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendedmonthly average≤ 35 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, total suspendeddaily maximum≤ 70 mg/Lall year012
Solids, settleabledaily maximum≤ .5 mL/Lall year012
Solids, settleabledaily maximum≤ .5 mL/Lall year012
Iron, total [as Fe]monthly average≤ 3 mg/Lall year012
Iron, total [as Fe]monthly average≤ 3 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year012
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year012
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year012
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year012
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year012
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year012
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year012
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year012
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year012
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year012
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year012
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year012
Specific conductancemonthly averagereport only (uS/cm)all year013
Specific conductancemonthly averagereport only (uS/cm)all year013
Specific conductancedaily maximumreport only (uS/cm)all year013
Specific conductancedaily maximumreport only (uS/cm)all year013
Specific conductancemonthly averagereport only (uS/cm)all year013
Specific conductancemonthly averagereport only (uS/cm)all year013
Specific conductancedaily maximumreport only (uS/cm)all year013
Specific conductancedaily maximumreport only (uS/cm)all year013
Sulfate [as S]monthly averagereport only (mg/L)all year013
Sulfate [as S]monthly averagereport only (mg/L)all year013
Sulfate [as S]daily maximumreport only (mg/L)all year013
Sulfate [as S]daily maximumreport only (mg/L)all year013
Sulfate [as S]monthly averagereport only (mg/L)all year013
Sulfate [as S]monthly averagereport only (mg/L)all year013
Sulfate [as S]daily maximumreport only (mg/L)all year013
Sulfate [as S]daily maximumreport only (mg/L)all year013
pHdaily minimum≥ 6 SUall year013
pHdaily minimum≥ 6 SUall year013
pHdaily maximum≤ 8.5 SUall year013
pHdaily maximum≤ 8.5 SUall year013
pHdaily minimum≥ 6 SUall year013
pHdaily minimum≥ 6 SUall year013
pHdaily maximum≤ 10.5 SUall year013
pHdaily maximum≤ 10.5 SUall year013
pHdaily minimum≥ 6 SUall year013
pHdaily minimum≥ 6 SUall year013
pHdaily maximum≤ 9 SUall year013
pHdaily maximum≤ 9 SUall year013
Solids, total suspendedmonthly average≤ 35 mg/Lall year013
Solids, total suspendedmonthly average≤ 35 mg/Lall year013
Solids, total suspendeddaily maximum≤ 70 mg/Lall year013
Solids, total suspendeddaily maximum≤ 70 mg/Lall year013
Solids, settleabledaily maximum≤ .5 mL/Lall year013
Solids, settleabledaily maximum≤ .5 mL/Lall year013
Iron, total [as Fe]monthly average≤ 3 mg/Lall year013
Iron, total [as Fe]monthly average≤ 3 mg/Lall year013
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year013
Iron, total [as Fe]daily maximum≤ 6 mg/Lall year013
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year013
Iron, total [as Fe]daily maximum≤ 7 mg/Lall year013
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year013
Manganese, total [as Mn]monthly average≤ 2 mg/Lall year013
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year013
Manganese, total [as Mn]daily maximum≤ 4 mg/Lall year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year013
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year013
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 0 pass=0;fail=1all year013
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year013
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 0 pass=0;fail=1all year013
Solids, total dissolved [TDS]monthly averagereport only (mg/L)all year013
Solids, total dissolved [TDS]daily maximumreport only (mg/L)all year013

How strict are these limits?

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

Same industry: the 76 Coal Mining permits in Alabama.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0084493 · MCP: https://passage-data.com/mcp