Guardian Energy Hankinson

NPDES permit ND0026310 · Minor NON-POTW · effective, expires 2028-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

8values over a limit
0required values missing, on 0 form(s)
2of 9 forms filed late

Last period with anything received: 2026-06-30. Most often over: Chlorine, total residual (8).

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 (107)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitDAILY MN report only Jan, Feb, Mar, Oct, Nov, Dec
001Temperature, water deg. fahrenheitDAILY MN report only Apr, May, Jun, Jul, Aug, Sep
001Temperature, water deg. fahrenheitDAILY AV report only Jan, Feb, Mar, Oct, Nov, Dec
001Temperature, water deg. fahrenheitDAILY AV report only Apr, May, Jun, Jul, Aug, Sep
001Temperature, water deg. fahrenheitDAILY MX <= 60 deg F Jan, Feb, Mar, Oct, Nov, Dec
001Temperature, water deg. fahrenheitDAILY MX <= 85 deg F Apr, May, Jun, Jul, Aug, Sep
001ConductivityDAILY MN report only all year
001ConductivityMINIMUM report only all year
001ConductivityDAILY AV report only all year
001ConductivityAVERAGE report only all year
001ConductivityDAILY MX report only all year
001ConductivityMAXIMUM report only all year
001Oxygen, dissolved [DO]DAILY MN >= 5 mg/L all year
001Oxygen, dissolved [DO]DAILY AV report only all year
001Oxygen, dissolved [DO]DAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MN report only all year
001BOD, 5-day, 20 deg. CM1 <= 25 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001pHMINIMUM report only all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM report only all year
001pHMAXIMUM <= 9 SU all year
001Alkalinity, total [as CaCO3]DAILY MN report only all year
001Alkalinity, total [as CaCO3]DAILY AV report only all year
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Bicarbonate ion- [as HCO3]DAILY MN report only all year
001Bicarbonate ion- [as HCO3]DAILY AV report only all year
001Bicarbonate ion- [as HCO3]DAILY MX report only all year
001Carbonate ion- [as CO3]DAILY MN report only all year
001Carbonate ion- [as CO3]DAILY AV report only all year
001Carbonate ion- [as CO3]DAILY MX report only all year
001Solids, total suspendedDAILY MN report only all year
001Solids, total suspendedM1 <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Oil & GreaseDAILY MN report only all year
001Oil & GreaseDAILY AV report only all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MINIMUM report only all year
001Nitrogen, ammonia total [as N]M1 report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MN report only all year
001Hardness, total [as CaCO3]DAILY AV report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Calcium, total [as Ca]DAILY MN report only all year
001Calcium, total [as Ca]DAILY AV report only all year
001Calcium, total [as Ca]DAILY MX report only all year
001Magnesium, total [as Mg]DAILY MN report only all year
001Magnesium, total [as Mg]DAILY AV report only all year
001Magnesium, total [as Mg]DAILY MX report only all year
001Sodium adsorption ratioMINIMUM report only all year
001Sodium adsorption ratioAVERAGE report only all year
001Sodium adsorption ratioMAXIMUM report only all year
001Potassium, total [as K]DAILY MN report only all year
001Potassium, total [as K]DAILY AV report only all year
001Potassium, total [as K]DAILY MX report only all year
001Chloride [as Cl]MINIMUM report only all year
001Chloride [as Cl]M1 report only all year
001Chloride [as Cl]MAXIMUM report only all year
001Sulfate, total [as SO4]DAILY MN report only all year
001Sulfate, total [as SO4]M1 <= 450 mg/L all year
001Sulfate, total [as SO4]DAILY MX report only all year
001Fluoride, total [as F]DAILY MN report only all year
001Fluoride, total [as F]DAILY AV report only all year
001Fluoride, total [as F]DAILY MX report only all year
001Silica, total [as SiO2]DAILY MN report only all year
001Silica, total [as SiO2]DLYAVMIN report only all year
001Silica, total [as SiO2]DAILY MX report only all year
001Arsenic, total [as As]DAILY MN report only all year
001Arsenic, total [as As]M1 report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Chromium, total [as Cr]MINIMUM report only all year
001Chromium, total [as Cr]MX MO AV <= .2 mg/L all year
001Chromium, total [as Cr]MX 7D AV <= .2 mg/L all year
001Iron, total [as Fe]DAILY MN report only all year
001Iron, total [as Fe]DAILY AV report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MN report only all year
001Manganese, total [as Mn]DAILY AV report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Zinc, total [as Zn]MINIMUM report only all year
001Zinc, total [as Zn]MX MO AV <= 1 mg/L all year
001Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualDAILY MN report only all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .019 mg/L all year
001Priority pollutants scan [yes/no]TOTAL report only all year
001HydroxideDAILY MN report only all year
001HydroxideDAILY AV report only all year
001HydroxideDAILY MX report only all year
001Sodium, % total cationsMINIMUM report only all year
001Sodium, % total cationsAVERAGE report only all year
001Sodium, % total cationsMAXIMUM report only all year
001Solids, total dissolved [TDS]DAILY MN report only all year
001Solids, total dissolved [TDS]DAILY MN report only all year
001Solids, total dissolved [TDS]DAILY AV report only all year
001Solids, total dissolved [TDS]DAILY AV report only all year
001Solids, total dissolved [TDS]DAILY MX report only all year
001Solids, total dissolved [TDS]DAILY MX report only all year
001Turbidity, lab, NTUDAILY MN report only all year
001Turbidity, lab, NTUDAILY AV report only all year
001Turbidity, lab, NTUDAILY MX report only all year
001Flow, totalQT report only all year
001Oil and grease visualTOTAL report only all year
001Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubiaMAXIMUM <= 1 tox acute all year
001TU Static Renewal 96Hr Acute Pimphales promelasMAXIMUM <= 1 tox acute 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