Cooperstown City Of

NPDES permit ND0023213 · Minor POTW · effective, expires 2029-09-30 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 3 forms filed late

Last period with anything received: 2026-03-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among ND permits in EPA's filings — check your permit).

Limits in force (59)

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. CWKLY AVG <= 45 mg/L all year
001pHMINIMUM >= 6 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 suspendedWKLY AVG <= 45 mg/L all year
001Oil & GreaseDAILY MX <= 10 mg/L all year
001Cyanide, total [as CN]MINIMUM report only all year
001Cyanide, total [as CN]AVERAGE report only all year
001Cyanide, total [as CN]MAXIMUM report only all year
001Hardness, total [as CaCO3]MINIMUM report only all year
001Hardness, total [as CaCO3]AVERAGE report only all year
001Hardness, total [as CaCO3]MAXIMUM report only all year
001Arsenic, total [as As]MINIMUM report only all year
001Arsenic, total [as As]AVERAGE report only all year
001Arsenic, total [as As]MAXIMUM report only all year
001Beryllium, total [as Be]MINIMUM report only all year
001Beryllium, total [as Be]AVERAGE report only all year
001Beryllium, total [as Be]MAXIMUM report only all year
001Cadmium, total [as Cd]MINIMUM report only all year
001Cadmium, total [as Cd]AVERAGE report only all year
001Cadmium, total [as Cd]MAXIMUM report only all year
001Chromium, total [as Cr]MINIMUM report only all year
001Chromium, total [as Cr]AVERAGE report only all year
001Chromium, total [as Cr]MAXIMUM report only all year
001Copper, total [as Cu]MINIMUM report only all year
001Copper, total [as Cu]AVERAGE report only all year
001Copper, total [as Cu]MAXIMUM report only all year
001Lead, total [as Pb]MINIMUM report only all year
001Lead, total [as Pb]AVERAGE report only all year
001Lead, total [as Pb]MAXIMUM report only all year
001Thallium, total [as Tl]MINIMUM report only all year
001Thallium, total [as Tl]AVERAGE report only all year
001Thallium, total [as Tl]MAXIMUM report only all year
001Nickel, total [as Ni]MINIMUM report only all year
001Nickel, total [as Ni]AVERAGE report only all year
001Nickel, total [as Ni]MAXIMUM report only all year
001Silver, total [as Ag]MINIMUM report only all year
001Silver, total [as Ag]AVERAGE report only all year
001Silver, total [as Ag]MAXIMUM report only all year
001Zinc, total [as Zn]MINIMUM report only all year
001Zinc, total [as Zn]AVERAGE report only all year
001Zinc, total [as Zn]MAXIMUM report only all year
001Antimony, total [as Sb]MINIMUM report only all year
001Antimony, total [as Sb]AVERAGE report only all year
001Antimony, total [as Sb]MAXIMUM report only all year
001Selenium, total [as Se]MINIMUM report only all year
001Selenium, total [as Se]AVERAGE report only all year
001Selenium, total [as Se]MAXIMUM report only all year
001Total phenolsMINIMUM report only all year
001Total phenolsAVERAGE report only all year
001Total phenolsMAXIMUM report only all year
001Flow, totalTOTAL report only all year
001Mercury, total [as Hg]MINIMUM report only all year
001Mercury, total [as Hg]AVERAGE report only all year
001Mercury, total [as Hg]MAXIMUM report only all year
001Oil and grease visualTOTAL 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