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Lyle city of

Sewage treatment plant, Lyle, Minnesota. NPDES permit MN0022101 expired Dec 31, 2025; 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 D005 form A1 monthly (22 values), outfall S006 form A1 monthly (11 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD005
pHmonthly minimum≥ 6 SUall yearD005
pHmonthly maximum≤ 9 SUall yearD005
Solids, total suspendedmonthly average≤ 45 mg/Lall yearD005
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall yearD005
Solids, total suspendedmonthly average≤ 269 kg/dall yearD005
Solids, total suspendedmaximum weekly average≤ 388 kg/dall yearD005
Nitrogen, total [as N]monthly averagereport only (mg/L)all yearD005
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all yearD005
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all yearD005
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all yearD005
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD005
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD005
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLApr–OctD005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Jul, AugD005
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD005
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)Jan, Feb, Jul, AugD005
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Mar, Apr, May, Jun, Sep, Oct, Nov, DecD005
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)Jan, Feb, Jul, AugD005
Solids, total dissolvedmonthly averagereport only (mg/L)all yearD005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD005
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD005
BOD, carbonaceous [5 day, 20 C]monthly average≤ 149 kg/dall yearD005
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 239 kg/dall yearD005
Precipitation, total defined period/inmonthly totalreport only (in)all yearS006
pHquarterly maximumreport only (SU)Mar, Jun, Sep, DecS006
Solids, total suspendedquarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006
Phosphorus, total [as P]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearS006
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearS006
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearS006
BOD, carbonaceous [5 day, 20 C]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS006

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0022101 · MCP: https://passage-data.com/mcp