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New Richland city of

Sewage treatment plant, New Richland, Minnesota. NPDES permit MN0021032, in force until Jul 31, 2029. Last 12 months: over a limit once (last January 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D010 form A1 monthly (34 values), outfall D010 form A2 monthly (2 values), outfall S011 form A1 monthly (11 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
January 2026Chloride [as Cl], monthly average416≤ 395 mg/L5%

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
Specific conductancequarterly maximumreport only (umho/cm)Mar, Jun, Sep, DecD010
Oxygen, dissolved [DO]monthly minimumreport only (mg/L)all yearD010
pHmonthly minimum≥ 6 SUall yearD010
pHmonthly maximum≤ 9 SUall yearD010
Bicarbonate ion- [as HCO3]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Solids, total suspendedmonthly average≤ 30 mg/Lall yearD010
Solids, total suspendedmonthly maximumreport only (mg/L)JulD010
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall yearD010
Solids, total suspendedmonthly average≤ 68 kg/dall yearD010
Solids, total suspendedmaximum weekly average≤ 102.1 kg/dall yearD010
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD010
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Mar, SepD010
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD010
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD010
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD010
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–SepD010
Phosphorus, total [as P]monthly averagereport only (kg/d)Jan, Feb, Mar, Apr, May, Oct, Nov, DecD010
Phosphorus, total [as P]monthly average≤ 3 kg/dJun–SepD010
Phosphorus, total [as P]annual total≤ 829 kg/yrall yearD010
Calcium, total [as Ca]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Magnesium, total [as Mg]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Sodium, total [as Na]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Potassium, total [as K]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Chloride [as Cl]monthly average≤ 395 mg/LJan, Mar, May, Jul, Sep, NovD010
Chloride [as Cl]daily maximumreport only (mg/L)Jan, Mar, May, Jul, Sep, NovD010
Sulfate, total [as SO4]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Hardness, Ca Mg Calculated [mg/L as CaCO3]quarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Coliform, fecal MPN + membrane ftl 44.5 Cmonthly geometric mean≤ 200 #/100mLMay–OctD010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearD010
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all yearD010
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all yearD010
Chlorine, total residualdaily maximum≤ .038 mg/LMay–OctD010
Solids, total dissolvedquarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD010
Mercury, dissolved [as Hg]monthly maximumreport only (ng/L)JulD010
Mercury, total [as Hg]monthly maximumreport only (ng/L)JulD010
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall yearD010
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 25 mg/Lall yearD010
BOD, carbonaceous [5 day, 20 C]monthly average≤ 34 kg/dall yearD010
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 56.7 kg/dall yearD010
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all yearD010
Solids, suspended percent removalmonthly average minimum≥ 85 %all yearD010
Precipitation, total defined period/inmonthly totalreport only (in)all yearS011
pHmonthly minimumreport only (SU)all yearS011
pHmonthly maximumreport only (SU)all yearS011
Solids, total suspendedmonthly averagereport only (mg/L)all yearS011
Solids, total suspendedmonthly maximumreport only (mg/L)all yearS011
Nitrogen, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS011
Nitrogen, Kjeldahl, total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS011
Nitrite + Nitrate total [as N]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecS011
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearS011
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all yearS011
BOD, carbonaceous [5 day, 20 C]monthly maximumreport only (mg/L)all yearS011

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MN0021032 · MCP: https://passage-data.com/mcp