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

Nilfisk Inc

Special Trade Contractors, Spring Park, Minnesota. NPDES permit MN0066648, in force until Jul 31, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 47 days after each period: outfall D001 form A1 monthly (18 values), outfall D001 form A2 monthly (1 value), outfall S002 form A1 monthly (3 values)
Last report on file
September 2026

Limits in force (22)

ParameterStatisticLimitMonthsOutfall
pHinstantaneous minimum≥ 6 SUall yearD001
pHinstantaneous maximum≤ 9 SUall yearD001
Solids, total suspendedquarterly averagereport only (mg/L)Mar, Jun, Sep, DecD001
Nitrogen, total [as N]annual averagereport only (mg/L)all yearD001
Nitrogen, Kjeldahl, total [as N]annual averagereport only (mg/L)all yearD001
Nitrite + Nitrate total [as N]annual averagereport only (mg/L)all yearD001
Phosphorus, total [as P]monthly averagereport only (mg/L)all yearD001
Phosphorus, total [as P]annual total≤ 3.6 kg/yrall yearD001
Chloride [as Cl]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD001
Sulfate, total [as SO4]quarterly averagereport only (mg/L)Mar, Jun, Sep, DecD001
Tetrachloroethylenemonthly average≤ 5 ug/Lall yearD001
Tetrachloroethylenemonthly maximum≤ 8.9 ug/Lall yearD001
Trichloroethylenemonthly average≤ 5 ug/Lall yearD001
Trichloroethylenemonthly maximum≤ 120 ug/Lall yearD001
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 residualquarterly maximumreport only (mg/L)Mar, Jun, Sep, DecD001
cis-1,2-Dichloroethenemonthly maximum≤ 70 ug/Lall yearD001
Tetrachloroethylenemonthly maximumreport only (ug/L)all yearS002
Trichloroethylenemonthly maximumreport only (ug/L)all yearS002
cis-1,2-Dichloroethenemonthly maximumreport only (ug/L)all yearS002

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/MN0066648 · MCP: https://passage-data.com/mcp