Village of Emerson

NPDES permit NE0041351 · Minor POTW · effective, expires 2028-12-20 · 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

1values over a limit
0required values missing, on 0 form(s)
0of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: Nitrogen, ammonia total [as N] (1).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (29)

OutfallParameterStatisticLimitMonths
001ATemperature, water deg. fahrenheitVALUE report only all year
001AOxygen, dissolved [DO]MO AV MN >= 5 mg/L all year
001ABOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001ABOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001ApHMINIMUM >= 6.5 SU all year
001ApHMAXIMUM <= 9 SU all year
001ASolids, total suspendedMO AVG <= 30 mg/L all year
001ASolids, total suspendedWKLY AVG <= 45 mg/L all year
001AOil and grease, hexane extr methodAVERAGE report only all year
001ANitrogen, total [as N]TOTAL report only all year
001ANitrogen, ammonia total [as N]MO AVG <= 7.27 mg/L Mar, Apr, May
001ANitrogen, ammonia total [as N]MO AVG <= 2.32 mg/L Jun, Jul, Aug, Sep, Oct
001ANitrogen, ammonia total [as N]MO AVG <= 5.63 mg/L Jan, Feb, Nov, Dec
001ANitrogen, ammonia total [as N]DAILY MX <= 14.59 mg/L Mar, Apr, May
001ANitrogen, ammonia total [as N]DAILY MX <= 4.66 mg/L Jun, Jul, Aug, Sep, Oct
001ANitrogen, ammonia total [as N]DAILY MX <= 11.29 mg/L Jan, Feb, Nov, Dec
001ANitrogen, Kjeldahl, total [as N]TOTAL report only all year
001ANitrite + Nitrate total [as N]TOTAL report only all year
001APhosphorus, total [as P]TOTAL report only all year
001AFlow, in conduit or thru treatment plantAVERAGE report only all year
001AE. coli, colony forming units [CFU]MO GEOMN <= 126 CFU/100mL May, Jun, Jul, Aug, Sep
001AE. coli, colony forming units [CFU]MO GEOMN report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001AE. coli, colony forming units [CFU]SINGSAMP <= 298 CFU/100mL May, Jun, Jul, Aug, Sep
001ASolids, total dissolved [TDS]TOTAL report only all year
001ABOD, 5-day, percent removalMINIMUM > 85 % all year
001ASolids, suspended percent removalMINIMUM >= 85 % all year
002ABOD, 5-day, 20 deg. CTOTAL report only all year
002ASolids, total suspendedTOTAL report only all year
002AFlow, in conduit or thru treatment plantAVERAGE 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