Passage Data · Check a report · Use it from your AI

Village of Emerson

Sewage treatment plant, Emerson, Nebraska. NPDES permit NE0041351, in force until Dec 20, 2028. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001A form A quarterly (21 values), outfall 002A form A quarterly (3 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 2 of 24 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
June 2026Nitrogen, ammonia total [as N], monthly average3.5 mg/L≤ 2.32 mg/L51%

Limits in force (29)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitvaluereport only (deg F)all year001A
Oxygen, dissolved [DO]monthly average minimum≥ 5 mg/Lall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001A
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001A
pHminimum≥ 6.5 SUall year001A
pHmaximum≤ 9 SUall year001A
Solids, total suspendedmonthly average≤ 30 mg/Lall year001A
Solids, total suspendedweekly average≤ 45 mg/Lall year001A
Oil and grease, hexane extr methodaveragereport only (mg/L)all year001A
Nitrogen, total [as N]totalreport only (mg/L)all year001A
Nitrogen, ammonia total [as N]monthly average≤ 7.27 mg/LMar–May001A
Nitrogen, ammonia total [as N]monthly average≤ 2.32 mg/LJun–Oct001A
Nitrogen, ammonia total [as N]monthly average≤ 5.63 mg/LJan, Feb, Nov, Dec001A
Nitrogen, ammonia total [as N]daily maximum≤ 14.59 mg/LMar–May001A
Nitrogen, ammonia total [as N]daily maximum≤ 4.66 mg/LJun–Oct001A
Nitrogen, ammonia total [as N]daily maximum≤ 11.29 mg/LJan, Feb, Nov, Dec001A
Nitrogen, Kjeldahl, total [as N]totalreport only (mg/L)all year001A
Nitrite + Nitrate total [as N]totalreport only (mg/L)all year001A
Phosphorus, total [as P]totalreport only (mg/L)all year001A
Flow, in conduit or thru treatment plantaveragereport only (MGD)all year001A
E. coli, colony forming units [CFU]monthly geometric mean≤ 126 CFU/100mLMay–Sep001A
E. coli, colony forming units [CFU]monthly geometric meanreport only (CFU/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001A
E. coli, colony forming units [CFU]single sample≤ 298 CFU/100mLMay–Sep001A
Solids, total dissolved [TDS]totalreport only (mg/L)all year001A
BOD, 5-day, percent removalminimum> 85 %all year001A
Solids, suspended percent removalminimum≥ 85 %all year001A
BOD, 5-day, 20 deg. Ctotalreport only (mg/L)all year002A
Solids, total suspendedtotalreport only (mg/L)all year002A
Flow, in conduit or thru treatment plantaveragereport only (MGD)all year002A

How strict are these limits?

Cited limits by parameter: Nebraska's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0041351 · MCP: https://passage-data.com/mcp