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

Moorhead City of

Sewage treatment plant, major discharger, Moorhead, Minnesota. NPDES permit MN0049069 expired Jun 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D301 form A1 monthly (35 values), outfall D301 form A2 monthly (1 value), outfall D301 form S1 monthly (2 values), outfall D301 form T1 monthly (2 values), outfall D306 form A1 monthly (35 values), outfall D306 form A2 monthly (1 value), and 3 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 56 reports late

Limits in force (96)

ParameterStatisticLimitMonthsOutfall
Specific conductancemonthly maximumreport only (umho/cm)all yearD301
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD301
pHmonthly minimum≥ 6 SUall yearD301
pHmonthly maximum≤ 9 SUall yearD301
Bicarbonate ion- [as HCO3]monthly maximumreport only (mg/L)all yearD301
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD301
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD301
Solids, total suspendedmonthly maximumreport only (mg/L)May, SepD301
Solids, total suspendedmonthly average≤ 1021 kg/dall yearD301
Solids, total suspendedmaximum weekly average≤ 1532 kg/dall yearD301
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD301
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD301
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJun–SepD301
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJun–SepD301
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD301
Nitrogen, ammonia total [as N]monthly average≤ 108 kg/dJun–SepD301
Nitrogen, ammonia total [as N]monthly average≤ 647 kg/dJun–SepD301
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD301
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD301
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD301
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD301
Calcium, total [as Ca]monthly maximumreport only (mg/L)all yearD301
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all yearD301
Sodium, total [as Na]monthly maximumreport only (mg/L)all yearD301
Potassium, total [as K]monthly maximumreport only (mg/L)all yearD301
Chloride [as Cl]monthly maximumreport only (mg/L)all yearD301
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearD301
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)all yearD301
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD301
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD301
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD301
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD301
Chlorine, total residualdaily maximum≤ .038 mg/LApr–OctD301
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearD301
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)May, SepD301
Mercury, total [as Hg]monthly maximumreport only (ng/L)May, SepD301
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12 mg/Lall yearD301
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 18 mg/Lall yearD301
BOD, carbonaceous [5 day, 20 C]monthly average≤ 408 kg/dall yearD301
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 613 kg/dall yearD301
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD301
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD301
Specific conductancemonthly maximumreport only (umho/cm)all yearD306
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD306
pHmonthly minimum≥ 6 SUall yearD306
pHmonthly maximum≤ 9 SUall yearD306
Bicarbonate ion- [as HCO3]monthly maximumreport only (mg/L)all yearD306
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD306
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD306
Solids, total suspendedmonthly maximumreport only (mg/L)May, SepD306
Solids, total suspendedmonthly average≤ 1021 kg/dall yearD306
Solids, total suspendedmaximum weekly average≤ 1532 kg/dall yearD306
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD306
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD306
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJun–SepD306
Nitrogen, ammonia total [as N]monthly average≤ 19 mg/LJun–SepD306
Nitrogen, ammonia total [as N]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD306
Nitrogen, ammonia total [as N]monthly average≤ 647 kg/dJun–SepD306
Nitrogen, ammonia total [as N]monthly average≤ 108 kg/dJun–SepD306
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD306
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD306
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD306
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD306
Calcium, total [as Ca]monthly maximumreport only (mg/L)all yearD306
Magnesium, total [as Mg]monthly maximumreport only (mg/L)all yearD306
Sodium, total [as Na]monthly maximumreport only (mg/L)all yearD306
Potassium, total [as K]monthly maximumreport only (mg/L)all yearD306
Chloride [as Cl]monthly maximumreport only (mg/L)all yearD306
Sulfate, total [as SO4]monthly maximumreport only (mg/L)all yearD306
Hardness, Ca Mg Calculated [mg/L as CaCO3]monthly maximumreport only (mg/L)all yearD306
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD306
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD306
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD306
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD306
Chlorine, total residualdaily maximum≤ .038 mg/LApr–OctD306
Solids, total dissolvedmonthly maximumreport only (mg/L)all yearD306
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)May, SepD306
Mercury, total [as Hg]monthly maximumreport only (ng/L)May, SepD306
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12 mg/Lall yearD306
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 18 mg/Lall yearD306
BOD, carbonaceous [5 day, 20 C]monthly average≤ 408 kg/dall yearD306
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 613 kg/dall yearD306
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD306
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD306
Precipitation, total defined period/inmonthly totalreport only (in)all yearS320
pHmonthly minimumreport only (SU)all yearS320
pHmonthly maximumreport only (SU)all yearS320
Solids, total suspendedmonthly averagereport only (mg/L)all yearS320
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS320
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearS320
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearS320
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearS320
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearS320
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS320
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS320
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS320

How strict are these limits?

Cited limits by parameter: Minnesota'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/MN0049069 · MCP: https://passage-data.com/mcp