Basin Electric Power Cooperative

NPDES permit ND0025232 · Major NON-POTW · effective, expires 2026-12-31 · 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
1required values missing, on 1 form(s)
3of 62 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 (87)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MN report only all year
001Temperature, water deg. fahrenheit30DA AVG report only all year
001Temperature, water deg. fahrenheitDAILY MX <= 99 deg F all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Flow, in conduit or thru treatment plant30DA AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, totalTOTAL report only all year
002Temperature, water deg. fahrenheitDAILY MN report only all year
002Temperature, water deg. fahrenheit30DA AVG report only all year
002Temperature, water deg. fahrenheitDAILY MX <= 99 deg F all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Flow, in conduit or thru treatment plant30DA AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, totalTOTAL report only all year
003pHMINIMUM report only all year
003pHMAXIMUM report only all year
003Solids, total suspended30DA AVG <= 30 mg/L all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Oil and grease, hexane extr method30DA AVG <= 15 mg/L all year
003Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
003Nitrogen, total [as N]DAILY MN report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Nitrogen, total [as N]MO AVG report only all year
003Nitrogen, total [as N]DAILY MX report only all year
003Phosphorus, total [as P]DAILY MN report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Phosphorus, total [as P]MO AVG report only all year
003Phosphorus, total [as P]DAILY MX report only all year
003Chloride [as Cl]MO AVG report only all year
003Chloride [as Cl]DAILY MX report only all year
003Flow, in conduit or thru treatment plant30DA AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, totalTOTAL report only all year
011pHMINIMUM >= 6 SU all year
011pHMAXIMUM <= 9 SU all year
011Solids, total suspendedDAILY MN report only all year
011Solids, total suspended30DA AVG report only all year
011Solids, total suspendedDAILY MX <= 70 mg/L all year
011Flow, in conduit or thru treatment plant30DA AVG report only all year
011Flow, in conduit or thru treatment plantDAILY MX report only all year
011Flow, totalTOTAL report only all year
011Duration of dischargeTOTAL report only all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedDAILY MN report only all year
012Solids, total suspended30DA AVG report only all year
012Solids, total suspendedDAILY MX <= 70 mg/L all year
012Flow, in conduit or thru treatment plant30DA AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Flow, totalTOTAL report only all year
012Duration of dischargeTOTAL report only all year
013pHMINIMUM report only all year
013pHMAXIMUM report only all year
013Solids, total suspended30DA AVG report only all year
013Solids, total suspendedDAILY MX report only all year
013Oil and grease, hexane extr method30DA AVG report only all year
013Oil and grease, hexane extr methodDAILY MX report only all year
013Flow, in conduit or thru treatment plant30DA AVG report only all year
013Flow, in conduit or thru treatment plantDAILY MX report only all year
013Flow, totalTOTAL report only all year
013Duration of dischargeTOTAL report only all year
013Oil and grease visualTOTAL report only all year
014pHMINIMUM >= 6.5 SU all year
014pHMAXIMUM <= 9 SU all year
014Solids, total suspended30DA AVG <= 30 mg/L all year
014Solids, total suspendedDAILY MX <= 50 mg/L all year
014Oil and grease, hexane extr method30DA AVG <= 15 mg/L all year
014Oil and grease, hexane extr methodDAILY MX <= 20 mg/L all year
014Nitrogen, total [as N]DAILY MN report only all year
014Nitrogen, total [as N]MO AVG report only all year
014Nitrogen, total [as N]DAILY MX report only all year
014Nitrogen, total [as N]MO AVG report only all year
014Nitrogen, total [as N]DAILY MX report only all year
014Phosphorus, total [as P]DAILY MN report only all year
014Phosphorus, total [as P]MO AVG report only all year
014Phosphorus, total [as P]DAILY MX report only all year
014Phosphorus, total [as P]MO AVG report only all year
014Phosphorus, total [as P]DAILY MX report only all year
014Flow, in conduit or thru treatment plant30DA AVG report only all year
014Flow, in conduit or thru treatment plantDAILY MX report only all year
014Flow, totalTOTAL report only all year
CWIFlow, in conduit or thru treatment plantMO AVG report only all year
CWIFlow, in conduit or thru treatment plantDAILY 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