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Holland city of

Sewage treatment plant, Holland, Minnesota. NPDES permit MN0021270 expired May 31, 2025; its limits still apply. Last 12 months: over a limit 17 times (last August 2026), 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D001 form A1 monthly (33 values), outfall S002 form A1 monthly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, suspended percent removal, monthly average minimum83≥ 85 %13%
January 2026Solids, suspended percent removal, monthly average minimum67≥ 85 %120%
April 2026Solids, suspended percent removal, monthly average minimum82≥ 85 %20%
May 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum35≥ 85 %333%
May 2026Solids, suspended percent removal, monthly average minimum81.4≥ 85 %24%
May 2026Solids, total suspended, monthly average16≤ 11 kg/d45%
May 2026Solids, total suspended, monthly average59≤ 45 mg/L31%
May 2026Solids, total suspended, maximum weekly average17≤ 16 kg/d6%
June 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum77≥ 85 %53%
June 2026Solids, suspended percent removal, monthly average minimum-2.4691≥ 85 %583%
June 2026pH, monthly maximum9.3≤ 9 SU—
July 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum82≥ 85 %20%
July 2026Solids, suspended percent removal, monthly average minimum17≥ 85 %453%
July 2026Solids, total suspended, monthly average48≤ 45 mg/L7%
August 2026Coliform, fecal MPN + membrane ftl 44.5 C, monthly geometric mean503≤ 200 #/100mL152%
August 2026Solids, suspended percent removal, monthly average minimum54≥ 85 %207%
August 2026pH, monthly maximum9.1≤ 9 SU—

Limits in force (44)

ParameterStatisticLimitMonthsOutfall
Specific conductancequarterly maximumreport only (umho/cm)Mar, Jun, Sep, DecD001
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD001
pHmonthly minimum≥ 6 SUall yearD001
pHmonthly maximum≤ 9 SUall yearD001
Bicarbonate ion- [as HCO3]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD001
Solids, total suspendedmonthly average≤ 45 mg/Lall yearD001
Solids, total suspendedmaximum weekly average≤ 65 mg/Lall yearD001
Solids, total suspendedmonthly average≤ 11 kg/dall yearD001
Solids, total suspendedmaximum weekly average≤ 16 kg/dall yearD001
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepD001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepD001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepD001
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD001
Phosphorus, total [as P]monthly averagereport only (kg/d)all yearD001
Calcium, total [as Ca]annual maximumreport only (mg/L)all yearD001
Magnesium, total [as Mg]annual maximumreport only (mg/L)all yearD001
Sodium, total [as Na]annual maximumreport only (mg/L)all yearD001
Potassium, total [as K]annual maximumreport only (mg/L)all yearD001
Chloride [as Cl]annual maximumreport only (mg/L)all yearD001
Sulfate, total [as SO4]annual maximumreport only (mg/L)all yearD001
Hardness, Ca Mg Calculated [mg/L as CaCO3]annual maximumreport only (mg/L)all yearD001
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLMay–OctD001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD001
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD001
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD001
Chlorine, total residualdaily maximum≤ .038 mg/Lall yearD001
Solids, total dissolvedquarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall yearD001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall yearD001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9.1 kg/dall yearD001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 14 kg/dall yearD001
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD001
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD001
Precipitation, total defined period/inmonthly totalreport only (in)all yearS002
pHmonthly minimumreport only (SU)all yearS002
pHmonthly maximumreport only (SU)all yearS002
Solids, total suspendedmonthly averagereport only (mg/L)all yearS002
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS002
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, SepS002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, SepS002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, SepS002
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS002
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS002

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/MN0021270 · MCP: https://passage-data.com/mcp