American Crystal Sugar Company

NPDES permit ND0000094 · Major NON-POTW · effective, expires 2030-03-31 · 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

4values over a limit
3required values missing, on 1 form(s)
1of 32 forms filed late

Last period with anything received: 2026-08-31. Most often over: Coliform, fecal general (3), Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia (1).

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 (60)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
001Stream flow, instantaneousMO AVG report only all year
001Stream flow, instantaneousDAILY MX report only all year
001Oxygen, dissolved [DO]DAILY MN report only all year
001Oxygen, dissolved [DO]MO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMINIMUM report only all year
001pHMAXIMUM report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
001Nitrogen, ammonia total [as N]DAILY MX report only (alert) all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
001Chemical Oxygen Demand [COD]MO AVG report only all year
001Chemical Oxygen Demand [COD]DAILY MX report only all year
001Flow, totalMO TOTAL report only all year
001Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX < 1 tox acute all year
001TU Static Renewal 96Hr Acute Pimphales promelasDAILY MX < 1 tox acute all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO AVG <= 5.07 tox chronic all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX <= 5.07 tox chronic all year
001TU Static Renewal 7-Day Chronic Pimphales promelasMO AVG <= 5.07 tox chronic all year
001TU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX <= 5.07 tox chronic all year
002Temperature, water deg. centigradeMO AVG report only all year
002Temperature, water deg. centigradeDAILY MX report only all year
002Stream flow, instantaneousMO AVG report only all year
002Stream flow, instantaneousDAILY MX report only all year
002Oxygen, dissolved [DO]DAILY MN report only all year
002Oxygen, dissolved [DO]MO AVG report only all year
002BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002pHMINIMUM report only all year
002pHMAXIMUM report only all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, ammonia total [as N]MO AVG report only (alert) all year
002Nitrogen, ammonia total [as N]DAILY MX report only (alert) all year
002Phosphorus, total [as P]MO AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Coliform, fecal generalDAILY MX <= 400 #/100mL all year
002Chemical Oxygen Demand [COD]MO AVG report only all year
002Chemical Oxygen Demand [COD]DAILY MX report only all year
002Flow, totalMO TOTAL report only all year
002Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiaDAILY MX < 1 tox acute all year
002TU Static Renewal 96Hr Acute Pimphales promelasDAILY MX < 1 tox acute all year
002TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaMO AVG <= 5.07 tox chronic all year
002TU Static Renewal 7-Day Chronic Ceriodaphnia dubiaDAILY MX <= 5.07 tox chronic all year
002TU Static Renewal 7-Day Chronic Pimphales promelasMO AVG <= 5.07 tox chronic all year
002TU Static Renewal 7-Day Chronic Pimphales promelasDAILY MX <= 5.07 tox chronic 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