Devils Lake City Of

NPDES permit ND0020681 · Major POTW · effective, expires 2028-03-31 · 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

0values over a limit
12required values missing, on 2 form(s)
4of 40 forms filed late

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

Reporting

Reports are due about 30 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (160)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CDAILY MN report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MN report only all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Nitrogen, total [as N]DAILY MN report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MN report only all year
001Nitrogen, ammonia total [as N]30DA AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MN report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Cyanide, total [as CN]DAILY MN report only all year
001Cyanide, total [as CN]DAILY AV report only all year
001Cyanide, total [as CN]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
001Arsenic, total [as As]DAILY MN report only all year
001Arsenic, total [as As]DAILY AV report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Beryllium, total [as Be]DAILY MN report only all year
001Beryllium, total [as Be]DAILY AV report only all year
001Beryllium, total [as Be]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MN report only all year
001Cadmium, total [as Cd]DAILY AV report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MN report only all year
001Chromium, total [as Cr]DAILY AV report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MN report only all year
001Copper, total [as Cu]DAILY AV report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MN report only all year
001Lead, total [as Pb]DAILY AV report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Thallium, total [as Tl]DAILY MN report only all year
001Thallium, total [as Tl]DAILY AV report only all year
001Thallium, total [as Tl]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MN report only all year
001Nickel, total [as Ni]DAILY AV report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Silver, total [as Ag]DAILY MN report only all year
001Silver, total [as Ag]DAILY AV report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MN report only all year
001Zinc, total [as Zn]DAILY AV report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Antimony, total [as Sb]DAILY MN report only all year
001Antimony, total [as Sb]DAILY AV report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Selenium, total [as Se]DAILY MN report only all year
001Selenium, total [as Se]DAILY AV report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Total phenolsDAILY MN report only all year
001Total phenolsDAILY AV report only all year
001Total phenolsDAILY MX 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
001E. coliDAILY MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliDAILY MX <= 409 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Mercury, total [as Hg]DAILY MN report only all year
001Mercury, total [as Hg]DAILY AV report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Flow, totalMO TOTAL report only all year
001Oil and grease visualTOTAL report only all year
001Toxic Units Static 48HR Acute Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
001TU LC50 Static Renewal 96Hr Acute Pimephales promelasDAILY MX <= 1 tox acute all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CMX 7D AV report only all year
003pHMINIMUM report only all year
003pHMAXIMUM report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedMX 7D AV report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, totalMO TOTAL report only all year
004BOD, 5-day, 20 deg. CDAILY MN report only all year
004BOD, 5-day, 20 deg. CMO AVG <= 25 mg/L all year
004BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedDAILY MN report only all year
004Solids, total suspendedMO AVG <= 30 mg/L all year
004Solids, total suspendedMX 7D AV <= 45 mg/L all year
004Oil & GreaseDAILY MX <= 10 mg/L all year
004Nitrogen, total [as N]DAILY MN report only all year
004Nitrogen, total [as N]MO AVG report only all year
004Nitrogen, total [as N]DAILY MX report only all year
004Nitrogen, ammonia total [as N]DAILY MN report only all year
004Nitrogen, ammonia total [as N]30DA AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004Phosphorus, total [as P]DAILY MN report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Cyanide, total [as CN]DAILY MN report only all year
004Cyanide, total [as CN]DAILY AV report only all year
004Cyanide, total [as CN]DAILY MX report only all year
004Hardness, total [as CaCO3]DAILY MN report only all year
004Hardness, total [as CaCO3]DAILY AV report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Arsenic, total [as As]DAILY MN report only all year
004Arsenic, total [as As]DAILY AV report only all year
004Arsenic, total [as As]DAILY MX report only all year
004Beryllium, total [as Be]DAILY MN report only all year
004Beryllium, total [as Be]DAILY AV report only all year
004Beryllium, total [as Be]DAILY MX report only all year
004Cadmium, total [as Cd]DAILY MN report only all year
004Cadmium, total [as Cd]DAILY AV report only all year
004Cadmium, total [as Cd]DAILY MX report only all year
004Chromium, total [as Cr]DAILY MN report only all year
004Chromium, total [as Cr]DAILY AV report only all year
004Chromium, total [as Cr]DAILY MX report only all year
004Copper, total [as Cu]DAILY MN report only all year
004Copper, total [as Cu]DAILY AV report only all year
004Copper, total [as Cu]DAILY MX report only all year
004Lead, total [as Pb]DAILY MN report only all year
004Lead, total [as Pb]DAILY AV report only all year
004Lead, total [as Pb]DAILY MX report only all year
004Thallium, total [as Tl]DAILY MN report only all year
004Thallium, total [as Tl]DAILY AV report only all year
004Thallium, total [as Tl]DAILY MX report only all year
004Nickel, total [as Ni]DAILY MN report only all year
004Nickel, total [as Ni]DAILY AV report only all year
004Nickel, total [as Ni]DAILY MX report only all year
004Silver, total [as Ag]DAILY MN report only all year
004Silver, total [as Ag]DAILY AV report only all year
004Silver, total [as Ag]DAILY MX report only all year
004Zinc, total [as Zn]DAILY MN report only all year
004Zinc, total [as Zn]DAILY AV report only all year
004Zinc, total [as Zn]DAILY MX report only all year
004Antimony, total [as Sb]DAILY MN report only all year
004Antimony, total [as Sb]DAILY AV report only all year
004Antimony, total [as Sb]DAILY MX report only all year
004Selenium, total [as Se]DAILY MN report only all year
004Selenium, total [as Se]DAILY AV report only all year
004Selenium, total [as Se]DAILY MX report only all year
004Total phenolsDAILY MN report only all year
004Total phenolsDAILY AV report only all year
004Total phenolsDAILY MX report only all year
004DurationTOTAL report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004E. coliDAILY MN report only Apr, May, Jun, Jul, Aug, Sep, Oct
004E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004E. coliDAILY MX <= 409 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004Mercury, total [as Hg]DAILY MN report only all year
004Mercury, total [as Hg]DAILY AV report only all year
004Mercury, total [as Hg]DAILY MX report only all year
004Flow, totalMO TOTAL report only all year
004Oil and grease visualTOTAL report only all year
004Toxic Units Static 48HR Acute Ceriodaphnia dubiaDAILY MX <= 1 tox acute all year
004TU LC50 Static Renewal 96Hr Acute Pimephales promelasDAILY MX <= 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