Signal Resources, LLC

NPDES permit AL0084493 · Minor NON-POTW · effective, expires 2030-01-29 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
6of 48 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (116)

OutfallParameterStatisticLimitMonths
012Specific conductanceMO AVG report only all year
012Specific conductanceMO AVG report only all year
012Specific conductanceDAILY MX report only all year
012Specific conductanceDAILY MX report only all year
012Specific conductanceMO AVG report only all year
012Specific conductanceMO AVG report only all year
012Specific conductanceDAILY MX report only all year
012Specific conductanceDAILY MX report only all year
012Sulfate [as S]MO AVG report only all year
012Sulfate [as S]MO AVG report only all year
012Sulfate [as S]DAILY MX report only all year
012Sulfate [as S]DAILY MX report only all year
012Sulfate [as S]MO AVG report only all year
012Sulfate [as S]MO AVG report only all year
012Sulfate [as S]DAILY MX report only all year
012Sulfate [as S]DAILY MX report only all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MX <= 8.5 SU all year
012pHDAILY MX <= 8.5 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MX <= 10.5 SU all year
012pHDAILY MX <= 10.5 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MN >= 6 SU all year
012pHDAILY MX <= 9 SU all year
012pHDAILY MX <= 9 SU all year
012Solids, total suspendedMO AVG <= 35 mg/L all year
012Solids, total suspendedMO AVG <= 35 mg/L all year
012Solids, total suspendedDAILY MX <= 70 mg/L all year
012Solids, total suspendedDAILY MX <= 70 mg/L all year
012Solids, settleableDAILY MX <= .5 mL/L all year
012Solids, settleableDAILY MX <= .5 mL/L all year
012Iron, total [as Fe]MO AVG <= 3 mg/L all year
012Iron, total [as Fe]MO AVG <= 3 mg/L all year
012Iron, total [as Fe]DAILY MX <= 6 mg/L all year
012Iron, total [as Fe]DAILY MX <= 6 mg/L all year
012Iron, total [as Fe]DAILY MX <= 7 mg/L all year
012Iron, total [as Fe]DAILY MX <= 7 mg/L all year
012Manganese, total [as Mn]MO AVG <= 2 mg/L all year
012Manganese, total [as Mn]MO AVG <= 2 mg/L all year
012Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
012Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
012Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
012Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
012Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
012Solids, total dissolved [TDS]MO AVG report only all year
012Solids, total dissolved [TDS]DAILY MX report only all year
013Specific conductanceMO AVG report only all year
013Specific conductanceMO AVG report only all year
013Specific conductanceDAILY MX report only all year
013Specific conductanceDAILY MX report only all year
013Specific conductanceMO AVG report only all year
013Specific conductanceMO AVG report only all year
013Specific conductanceDAILY MX report only all year
013Specific conductanceDAILY MX report only all year
013Sulfate [as S]MO AVG report only all year
013Sulfate [as S]MO AVG report only all year
013Sulfate [as S]DAILY MX report only all year
013Sulfate [as S]DAILY MX report only all year
013Sulfate [as S]MO AVG report only all year
013Sulfate [as S]MO AVG report only all year
013Sulfate [as S]DAILY MX report only all year
013Sulfate [as S]DAILY MX report only all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MX <= 8.5 SU all year
013pHDAILY MX <= 8.5 SU all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MX <= 10.5 SU all year
013pHDAILY MX <= 10.5 SU all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MN >= 6 SU all year
013pHDAILY MX <= 9 SU all year
013pHDAILY MX <= 9 SU all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedMO AVG <= 35 mg/L all year
013Solids, total suspendedDAILY MX <= 70 mg/L all year
013Solids, total suspendedDAILY MX <= 70 mg/L all year
013Solids, settleableDAILY MX <= .5 mL/L all year
013Solids, settleableDAILY MX <= .5 mL/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]MO AVG <= 3 mg/L all year
013Iron, total [as Fe]DAILY MX <= 6 mg/L all year
013Iron, total [as Fe]DAILY MX <= 6 mg/L all year
013Iron, total [as Fe]DAILY MX <= 7 mg/L all year
013Iron, total [as Fe]DAILY MX <= 7 mg/L all year
013Manganese, total [as Mn]MO AVG <= 2 mg/L all year
013Manganese, total [as Mn]MO AVG <= 2 mg/L all year
013Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
013Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantMO AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
013Toxicity [chronic], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
013Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
013Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
013Solids, total dissolved [TDS]MO AVG report only all year
013Solids, total dissolved [TDS]DAILY MX report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states