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Medivators

Surgical And Medical Instruments, Plymouth, Minnesota. NPDES permit MN0063541, in force until Sep 30, 2030. Last 12 months: over a limit once (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: form A1 monthly (14 values)
Last report on file
August 2026

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

Period endingParameterReportedLimitOver by
December 2025Chloride [as Cl], quarterly maximum146≤ 100 mg/L46%

Limits in force (14)

ParameterStatisticLimitMonths
Specific conductancemonthly maximumreport only (umho/cm)Mar, Sep
pHinstantaneous minimum≥ 6 SUMar, Jun, Sep, Dec
pHinstantaneous maximum≤ 9 SUMar, Jun, Sep, Dec
Solids, total suspendedmonthly average≤ 30 mg/LMar, Jun, Sep, Dec
Nitrogen, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Mar, Sep
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Mar, Sep
Phosphorus, total [as P]monthly averagereport only (mg/L)Mar, Jun, Sep, Dec
Chloride [as Cl]quarterly maximum≤ 100 mg/LMar, Jun, Sep, Dec
Sulfate, total [as SO4]monthly maximumreport only (mg/L)Mar, Sep
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly totalreport only (Mgal/mo)all year
Solids, total dissolvedmonthly maximumreport only (mg/L)Mar, Sep

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/MN0063541 · MCP: https://passage-data.com/mcp