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Mount Michael Benedictine Abbey & School

Sewerage Systems, Elkhorn, Nebraska. NPDES permit NE0112216, in force until Dec 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M quarterly (18 values), outfall 001 form Q quarterly (4 values), outfall 001 form 3P yearly, outfall INF form A yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 3.63 kg/dall year001
Solids, total suspended7-day average≤ 5.45 kg/dall year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 11.44 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 14.73 mg/LMar–May001
Nitrogen, ammonia total [as N]monthly average≤ 4.68 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 22.96 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 29.56 mg/LMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ 9.38 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ .36 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .33 kg/dMar–May001
Nitrogen, ammonia total [as N]monthly average≤ .2 kg/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximum≤ .71 kg/dJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ .67 kg/dMar–May001
Nitrogen, ammonia total [as N]daily maximum≤ .39 kg/dJun–Oct001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
E. coli, MTEC-MFmonthly geometric meanreport only (#/100mL)all year001
E. coli, MTEC-MFdaily maximumreport only (#/100mL)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.03 kg/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 4.84 kg/dall year001
pHvaluereport only (SU)all yearINF
Solids, total suspendedvaluereport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantvaluereport only (MGD)all yearINF
BOD, carbonaceous [5 day, 20 C]valuereport only (mg/L)all yearINF

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NE0112216 · MCP: https://passage-data.com/mcp