Mays Mining, Inc. — NPDES permit AL0079936: limits, due date and EPA's record

NPDES permit AL0079936 · Minor NON-POTW · administratively continued, expires 2023-02-28 · EPA's file as of 2026-09-19

This permit expired on 2023-02-28 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among AL permits in EPA's filings — check your permit).

Limits in force (226)

Outfall	Parameter	Statistic	Limit	Months
003	Specific conductance	MO AVG	report only	all year
003	Specific conductance	MO AVG	report only	all year
003	Specific conductance	DAILY MX	report only	all year
003	Specific conductance	DAILY MX	report only	all year
003	Specific conductance	MO AVG	report only	all year
003	Specific conductance	MO AVG	report only	all year
003	Specific conductance	DAILY MX	report only	all year
003	Specific conductance	DAILY MX	report only	all year
003	Sulfate [as S]	MO AVG	report only	all year
003	Sulfate [as S]	MO AVG	report only	all year
003	Sulfate [as S]	DAILY MX	report only	all year
003	Sulfate [as S]	DAILY MX	report only	all year
003	Sulfate [as S]	MO AVG	report only	all year
003	Sulfate [as S]	MO AVG	report only	all year
003	Sulfate [as S]	DAILY MX	report only	all year
003	Sulfate [as S]	DAILY MX	report only	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MX	<= 10.5 SU	all year
003	pH	DAILY MX	<= 10.5 SU	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MN	>= 6 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	pH	DAILY MX	<= 9 SU	all year
003	Solids, total suspended	MO AVG	<= 35 mg/L	all year
003	Solids, total suspended	MO AVG	<= 35 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
003	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
003	Solids, settleable	DAILY MX	<= .5 mL/L	all year
003	Solids, settleable	DAILY MX	<= .5 mL/L	all year
003	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
003	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
003	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
003	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
003	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
003	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
003	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
003	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
003	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
003	Solids, total dissolved [TDS]	MO AVG	report only	all year
003	Solids, total dissolved [TDS]	DAILY MX	report only	all year
005	Specific conductance	MO AVG	report only	all year
005	Specific conductance	MO AVG	report only	all year
005	Specific conductance	DAILY MX	report only	all year
005	Specific conductance	DAILY MX	report only	all year
005	Specific conductance	MO AVG	report only	all year
005	Specific conductance	MO AVG	report only	all year
005	Specific conductance	DAILY MX	report only	all year
005	Specific conductance	DAILY MX	report only	all year
005	Sulfate [as S]	MO AVG	report only	all year
005	Sulfate [as S]	MO AVG	report only	all year
005	Sulfate [as S]	DAILY MX	report only	all year
005	Sulfate [as S]	DAILY MX	report only	all year
005	Sulfate [as S]	MO AVG	report only	all year
005	Sulfate [as S]	MO AVG	report only	all year
005	Sulfate [as S]	DAILY MX	report only	all year
005	Sulfate [as S]	DAILY MX	report only	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MX	<= 9 SU	all year
005	pH	DAILY MX	<= 9 SU	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MX	<= 10.5 SU	all year
005	pH	DAILY MX	<= 10.5 SU	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MN	>= 6 SU	all year
005	pH	DAILY MX	<= 9 SU	all year
005	pH	DAILY MX	<= 9 SU	all year
005	Solids, total suspended	MO AVG	<= 35 mg/L	all year
005	Solids, total suspended	MO AVG	<= 35 mg/L	all year
005	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
005	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
005	Solids, settleable	DAILY MX	<= .5 mL/L	all year
005	Solids, settleable	DAILY MX	<= .5 mL/L	all year
005	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
005	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
005	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
005	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
005	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
005	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
005	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
005	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
005	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
005	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
005	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
005	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
005	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
005	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
005	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
005	Solids, total dissolved [TDS]	MO AVG	report only	all year
005	Solids, total dissolved [TDS]	DAILY MX	report only	all year
006	Specific conductance	MO AVG	report only	all year
006	Specific conductance	MO AVG	report only	all year
006	Specific conductance	DAILY MX	report only	all year
006	Specific conductance	DAILY MX	report only	all year
006	Specific conductance	MO AVG	report only	all year
006	Specific conductance	MO AVG	report only	all year
006	Specific conductance	DAILY MX	report only	all year
006	Specific conductance	DAILY MX	report only	all year
006	Sulfate [as S]	MO AVG	report only	all year
006	Sulfate [as S]	MO AVG	report only	all year
006	Sulfate [as S]	DAILY MX	report only	all year
006	Sulfate [as S]	DAILY MX	report only	all year
006	Sulfate [as S]	MO AVG	report only	all year
006	Sulfate [as S]	MO AVG	report only	all year
006	Sulfate [as S]	DAILY MX	report only	all year
006	Sulfate [as S]	DAILY MX	report only	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MX	<= 9 SU	all year
006	pH	DAILY MX	<= 9 SU	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MX	<= 10.5 SU	all year
006	pH	DAILY MX	<= 10.5 SU	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MN	>= 6 SU	all year
006	pH	DAILY MX	<= 9 SU	all year
006	pH	DAILY MX	<= 9 SU	all year
006	Solids, total suspended	MO AVG	<= 35 mg/L	all year
006	Solids, total suspended	MO AVG	<= 35 mg/L	all year
006	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
006	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
006	Solids, settleable	DAILY MX	<= .5 mL/L	all year
006	Solids, settleable	DAILY MX	<= .5 mL/L	all year
006	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
006	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
006	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
006	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
006	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
006	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
006	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
006	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
006	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
006	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
006	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
006	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
006	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
006	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
006	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
006	Solids, total dissolved [TDS]	MO AVG	report only	all year
006	Solids, total dissolved [TDS]	DAILY MX	report only	all year
013	Specific conductance	MO AVG	report only	all year
013	Specific conductance	MO AVG	report only	all year
013	Specific conductance	DAILY MX	report only	all year
013	Specific conductance	DAILY MX	report only	all year
013	Specific conductance	MO AVG	report only	all year
013	Specific conductance	MO AVG	report only	all year
013	Specific conductance	DAILY MX	report only	all year
013	Specific conductance	DAILY MX	report only	all year
013	Sulfate [as S]	MO AVG	report only	all year
013	Sulfate [as S]	MO AVG	report only	all year
013	Sulfate [as S]	DAILY MX	report only	all year
013	Sulfate [as S]	DAILY MX	report only	all year
013	Sulfate [as S]	MO AVG	report only	all year
013	Sulfate [as S]	MO AVG	report only	all year
013	Sulfate [as S]	DAILY MX	report only	all year
013	Sulfate [as S]	DAILY MX	report only	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MX	<= 8.5 SU	all year
013	pH	DAILY MX	<= 8.5 SU	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MX	<= 10.5 SU	all year
013	pH	DAILY MX	<= 10.5 SU	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MN	>= 6 SU	all year
013	pH	DAILY MX	<= 9 SU	all year
013	pH	DAILY MX	<= 9 SU	all year
013	Solids, total suspended	MO AVG	<= 35 mg/L	all year
013	Solids, total suspended	MO AVG	<= 35 mg/L	all year
013	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
013	Solids, total suspended	DAILY MX	<= 70 mg/L	all year
013	Solids, settleable	DAILY MX	<= .5 mL/L	all year
013	Solids, settleable	DAILY MX	<= .5 mL/L	all year
013	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
013	Iron, total [as Fe]	MO AVG	<= 3 mg/L	all year
013	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
013	Iron, total [as Fe]	DAILY MX	<= 6 mg/L	all year
013	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
013	Iron, total [as Fe]	DAILY MX	<= 7 mg/L	all year
013	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
013	Manganese, total [as Mn]	MO AVG	<= 2 mg/L	all year
013	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
013	Manganese, total [as Mn]	DAILY MX	<= 4 mg/L	all year
013	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
013	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
013	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
013	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
013	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
013	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
013	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
013	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
013	Toxicity [acute], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
013	Toxicity [chronic], Ceriodaphnia dubia	DAILY MX	<= 0 pass=0;fail=1	all year
013	Toxicity [acute], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
013	Toxicity [chronic], Pimephales promelas [Fathead Minnow]	DAILY MX	<= 0 pass=0;fail=1	all year
013	Solids, total dissolved [TDS]	MO AVG	report only	all year
013	Solids, total dissolved [TDS]	DAILY MX	report only	all year