Centennial Natural Resources, LLC

NPDES permit AL0072613 · Minor NON-POTW · administratively continued, expires 2023-09-30 · 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.

This permit expired on 2023-09-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 168 forms filed late

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

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 (280)

OutfallParameterStatisticLimitMonths
022Specific conductanceMO AVG report only all year
022Specific conductanceDAILY MX report only all year
022Specific conductanceMO AVG report only all year
022Specific conductanceDAILY MX report only all year
022Sulfate [as S]MO AVG report only all year
022Sulfate [as S]DAILY MX report only all year
022Sulfate [as S]MO AVG report only all year
022Sulfate [as S]DAILY MX report only all year
022pHDAILY MN >= 6 SU all year
022pHDAILY MX <= 9 SU all year
022pHDAILY MN >= 6 SU all year
022pHDAILY MX <= 10.5 SU all year
022pHDAILY MN >= 6 SU all year
022pHDAILY MX <= 9 SU all year
022Solids, total suspendedMO AVG <= 35 mg/L all year
022Solids, total suspendedDAILY MX <= 70.5 mg/L all year
022Solids, total suspendedMO AVG report only all year
022Solids, total suspendedDAILY MX report only all year
022Solids, total suspendedMO AVG report only all year
022Solids, total suspendedDAILY MX report only all year
022Solids, total suspendedMO AVG report only all year
022Solids, total suspendedDAILY MX report only all year
022Solids, settleableDAILY MX <= .5 mL/L all year
022Selenium, total recoverableMO AVG <= 5 ug/L all year
022Selenium, total recoverableDAILY MX <= 20 ug/L all year
022Selenium, total recoverableMO AVG report only all year
022Selenium, total recoverableDAILY MX report only all year
022Iron, total [as Fe]MO AVG <= 3 mg/L all year
022Iron, total [as Fe]DAILY MX <= 6 mg/L all year
022Iron, total [as Fe]DAILY MX <= 7 mg/L all year
022Manganese, total [as Mn]MO AVG <= 2 mg/L all year
022Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
022Flow, in conduit or thru treatment plantMO AVG report only all year
022Flow, in conduit or thru treatment plantDAILY MX report only all year
022Flow, in conduit or thru treatment plantMO AVG report only all year
022Flow, in conduit or thru treatment plantDAILY MX report only all year
022Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
022Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
022Solids, total dissolved [TDS]MO AVG report only all year
022Solids, total dissolved [TDS]DAILY MX report only all year
034Specific conductanceMO AVG report only all year
034Specific conductanceDAILY MX report only all year
034Specific conductanceMO AVG report only all year
034Specific conductanceDAILY MX report only all year
034Sulfate [as S]MO AVG report only all year
034Sulfate [as S]DAILY MX report only all year
034Sulfate [as S]MO AVG report only all year
034Sulfate [as S]DAILY MX report only all year
034pHDAILY MN >= 6 SU all year
034pHDAILY MX <= 9 SU all year
034pHDAILY MN >= 6 SU all year
034pHDAILY MX <= 10.5 SU all year
034pHDAILY MN >= 6 SU all year
034pHDAILY MX <= 9 SU all year
034Solids, total suspendedMO AVG <= 35 mg/L all year
034Solids, total suspendedDAILY MX <= 70.5 mg/L all year
034Solids, total suspendedMO AVG report only all year
034Solids, total suspendedDAILY MX report only all year
034Solids, total suspendedMO AVG report only all year
034Solids, total suspendedDAILY MX report only all year
034Solids, total suspendedMO AVG report only all year
034Solids, total suspendedDAILY MX report only all year
034Solids, settleableDAILY MX <= .5 mL/L all year
034Selenium, total recoverableMO AVG <= 5 ug/L all year
034Selenium, total recoverableDAILY MX <= 20 ug/L all year
034Selenium, total recoverableMO AVG report only all year
034Selenium, total recoverableDAILY MX report only all year
034Iron, total [as Fe]MO AVG <= 3 mg/L all year
034Iron, total [as Fe]DAILY MX <= 6 mg/L all year
034Iron, total [as Fe]DAILY MX <= 7 mg/L all year
034Manganese, total [as Mn]MO AVG <= 2 mg/L all year
034Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
034Flow, in conduit or thru treatment plantMO AVG report only all year
034Flow, in conduit or thru treatment plantDAILY MX report only all year
034Flow, in conduit or thru treatment plantMO AVG report only all year
034Flow, in conduit or thru treatment plantDAILY MX report only all year
034Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
034Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
034Solids, total dissolved [TDS]MO AVG report only all year
034Solids, total dissolved [TDS]DAILY MX report only all year
035Specific conductanceMO AVG report only all year
035Specific conductanceDAILY MX report only all year
035Specific conductanceMO AVG report only all year
035Specific conductanceDAILY MX report only all year
035Sulfate [as S]MO AVG report only all year
035Sulfate [as S]DAILY MX report only all year
035Sulfate [as S]MO AVG report only all year
035Sulfate [as S]DAILY MX report only all year
035pHDAILY MN >= 6 SU all year
035pHDAILY MX <= 9 SU all year
035pHDAILY MN >= 6 SU all year
035pHDAILY MX <= 10.5 SU all year
035pHDAILY MN >= 6 SU all year
035pHDAILY MX <= 9 SU all year
035Solids, total suspendedMO AVG <= 35 mg/L all year
035Solids, total suspendedDAILY MX <= 70.5 mg/L all year
035Solids, total suspendedMO AVG report only all year
035Solids, total suspendedDAILY MX report only all year
035Solids, total suspendedMO AVG report only all year
035Solids, total suspendedDAILY MX report only all year
035Solids, total suspendedMO AVG report only all year
035Solids, total suspendedDAILY MX report only all year
035Solids, settleableDAILY MX <= .5 mL/L all year
035Selenium, total recoverableMO AVG <= 5 ug/L all year
035Selenium, total recoverableDAILY MX <= 20 ug/L all year
035Selenium, total recoverableMO AVG report only all year
035Selenium, total recoverableDAILY MX report only all year
035Iron, total [as Fe]MO AVG <= 3 mg/L all year
035Iron, total [as Fe]DAILY MX <= 6 mg/L all year
035Iron, total [as Fe]DAILY MX <= 7 mg/L all year
035Manganese, total [as Mn]MO AVG <= 2 mg/L all year
035Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
035Flow, in conduit or thru treatment plantMO AVG report only all year
035Flow, in conduit or thru treatment plantDAILY MX report only all year
035Flow, in conduit or thru treatment plantMO AVG report only all year
035Flow, in conduit or thru treatment plantDAILY MX report only all year
035Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
035Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
035Solids, total dissolved [TDS]MO AVG report only all year
035Solids, total dissolved [TDS]DAILY MX report only all year
037Specific conductanceMO AVG report only all year
037Specific conductanceDAILY MX report only all year
037Specific conductanceMO AVG report only all year
037Specific conductanceDAILY MX report only all year
037Sulfate [as S]MO AVG report only all year
037Sulfate [as S]DAILY MX report only all year
037Sulfate [as S]MO AVG report only all year
037Sulfate [as S]DAILY MX report only all year
037pHDAILY MN >= 6 SU all year
037pHDAILY MX <= 9 SU all year
037pHDAILY MN >= 6 SU all year
037pHDAILY MX <= 10.5 SU all year
037pHDAILY MN >= 6 SU all year
037pHDAILY MX <= 9 SU all year
037Solids, total suspendedMO AVG <= 35 mg/L all year
037Solids, total suspendedDAILY MX <= 70.5 mg/L all year
037Solids, total suspendedMO AVG report only all year
037Solids, total suspendedDAILY MX report only all year
037Solids, total suspendedMO AVG report only all year
037Solids, total suspendedDAILY MX report only all year
037Solids, total suspendedMO AVG report only all year
037Solids, total suspendedDAILY MX report only all year
037Solids, settleableDAILY MX <= .5 mL/L all year
037Selenium, total recoverableMO AVG <= 5 ug/L all year
037Selenium, total recoverableDAILY MX <= 20 ug/L all year
037Selenium, total recoverableMO AVG report only all year
037Selenium, total recoverableDAILY MX report only all year
037Iron, total [as Fe]MO AVG <= 3 mg/L all year
037Iron, total [as Fe]DAILY MX <= 6 mg/L all year
037Iron, total [as Fe]DAILY MX <= 7 mg/L all year
037Manganese, total [as Mn]MO AVG <= 2 mg/L all year
037Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
037Flow, in conduit or thru treatment plantMO AVG report only all year
037Flow, in conduit or thru treatment plantDAILY MX report only all year
037Flow, in conduit or thru treatment plantMO AVG report only all year
037Flow, in conduit or thru treatment plantDAILY MX report only all year
037Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
037Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
037Solids, total dissolved [TDS]MO AVG report only all year
037Solids, total dissolved [TDS]DAILY MX report only all year
038Specific conductanceMO AVG report only all year
038Specific conductanceDAILY MX report only all year
038Specific conductanceMO AVG report only all year
038Specific conductanceDAILY MX report only all year
038Sulfate [as S]MO AVG report only all year
038Sulfate [as S]DAILY MX report only all year
038Sulfate [as S]MO AVG report only all year
038Sulfate [as S]DAILY MX report only all year
038pHDAILY MN >= 6 SU all year
038pHDAILY MX <= 9 SU all year
038pHDAILY MN >= 6 SU all year
038pHDAILY MX <= 10.5 SU all year
038pHDAILY MN >= 6 SU all year
038pHDAILY MX <= 9 SU all year
038Solids, total suspendedMO AVG <= 35 mg/L all year
038Solids, total suspendedDAILY MX <= 70.5 mg/L all year
038Solids, total suspendedMO AVG report only all year
038Solids, total suspendedDAILY MX report only all year
038Solids, total suspendedMO AVG report only all year
038Solids, total suspendedDAILY MX report only all year
038Solids, total suspendedMO AVG report only all year
038Solids, total suspendedDAILY MX report only all year
038Solids, settleableDAILY MX <= .5 mL/L all year
038Selenium, total recoverableMO AVG <= 5 ug/L all year
038Selenium, total recoverableDAILY MX <= 20 ug/L all year
038Selenium, total recoverableMO AVG report only all year
038Selenium, total recoverableDAILY MX report only all year
038Iron, total [as Fe]MO AVG <= 3 mg/L all year
038Iron, total [as Fe]DAILY MX <= 6 mg/L all year
038Iron, total [as Fe]DAILY MX <= 7 mg/L all year
038Manganese, total [as Mn]MO AVG <= 2 mg/L all year
038Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
038Flow, in conduit or thru treatment plantMO AVG report only all year
038Flow, in conduit or thru treatment plantDAILY MX report only all year
038Flow, in conduit or thru treatment plantMO AVG report only all year
038Flow, in conduit or thru treatment plantDAILY MX report only all year
038Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
038Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
038Solids, total dissolved [TDS]MO AVG report only all year
038Solids, total dissolved [TDS]DAILY MX report only all year
040Specific conductanceMO AVG report only all year
040Specific conductanceDAILY MX report only all year
040Specific conductanceMO AVG report only all year
040Specific conductanceDAILY MX report only all year
040Sulfate [as S]MO AVG report only all year
040Sulfate [as S]DAILY MX report only all year
040Sulfate [as S]MO AVG report only all year
040Sulfate [as S]DAILY MX report only all year
040pHDAILY MN >= 6 SU all year
040pHDAILY MX <= 9 SU all year
040pHDAILY MN >= 6 SU all year
040pHDAILY MX <= 10.5 SU all year
040pHDAILY MN >= 6 SU all year
040pHDAILY MX <= 9 SU all year
040Solids, total suspendedMO AVG <= 35 mg/L all year
040Solids, total suspendedDAILY MX <= 70.5 mg/L all year
040Solids, total suspendedMO AVG report only all year
040Solids, total suspendedDAILY MX report only all year
040Solids, total suspendedMO AVG report only all year
040Solids, total suspendedDAILY MX report only all year
040Solids, total suspendedMO AVG report only all year
040Solids, total suspendedDAILY MX report only all year
040Solids, settleableDAILY MX <= .5 mL/L all year
040Selenium, total recoverableMO AVG <= 5 ug/L all year
040Selenium, total recoverableDAILY MX <= 20 ug/L all year
040Selenium, total recoverableMO AVG report only all year
040Selenium, total recoverableDAILY MX report only all year
040Iron, total [as Fe]MO AVG <= 3 mg/L all year
040Iron, total [as Fe]DAILY MX <= 6 mg/L all year
040Iron, total [as Fe]DAILY MX <= 7 mg/L all year
040Manganese, total [as Mn]MO AVG <= 2 mg/L all year
040Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
040Flow, in conduit or thru treatment plantMO AVG report only all year
040Flow, in conduit or thru treatment plantDAILY MX report only all year
040Flow, in conduit or thru treatment plantMO AVG report only all year
040Flow, in conduit or thru treatment plantDAILY MX report only all year
040Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
040Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
040Solids, total dissolved [TDS]MO AVG report only all year
040Solids, total dissolved [TDS]DAILY MX report only all year
041Specific conductanceMO AVG report only all year
041Specific conductanceDAILY MX report only all year
041Specific conductanceMO AVG report only all year
041Specific conductanceDAILY MX report only all year
041Sulfate [as S]MO AVG report only all year
041Sulfate [as S]DAILY MX report only all year
041Sulfate [as S]MO AVG report only all year
041Sulfate [as S]DAILY MX report only all year
041pHDAILY MN >= 6 SU all year
041pHDAILY MX <= 9 SU all year
041pHDAILY MN >= 6 SU all year
041pHDAILY MX <= 10.5 SU all year
041pHDAILY MN >= 6 SU all year
041pHDAILY MX <= 9 SU all year
041Solids, total suspendedMO AVG <= 35 mg/L all year
041Solids, total suspendedDAILY MX <= 70.5 mg/L all year
041Solids, total suspendedMO AVG report only all year
041Solids, total suspendedDAILY MX report only all year
041Solids, total suspendedMO AVG report only all year
041Solids, total suspendedDAILY MX report only all year
041Solids, total suspendedMO AVG report only all year
041Solids, total suspendedDAILY MX report only all year
041Solids, settleableDAILY MX <= .5 mL/L all year
041Selenium, total recoverableMO AVG <= 5 ug/L all year
041Selenium, total recoverableDAILY MX <= 20 ug/L all year
041Selenium, total recoverableMO AVG report only all year
041Selenium, total recoverableDAILY MX report only all year
041Iron, total [as Fe]MO AVG <= 3 mg/L all year
041Iron, total [as Fe]DAILY MX <= 6 mg/L all year
041Iron, total [as Fe]DAILY MX <= 7 mg/L all year
041Manganese, total [as Mn]MO AVG <= 2 mg/L all year
041Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
041Flow, in conduit or thru treatment plantMO AVG report only all year
041Flow, in conduit or thru treatment plantDAILY MX report only all year
041Flow, in conduit or thru treatment plantMO AVG report only all year
041Flow, in conduit or thru treatment plantDAILY MX report only all year
041Toxicity [acute], Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
041Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX <= 0 pass=0;fail=1 all year
041Solids, total dissolved [TDS]MO AVG report only all year
041Solids, 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