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Emersub 16, LLC

Power Transmission Equipment, Hanover Hills, Maryland. NPDES permit MD0069094, in force until Oct 31, 2028. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 60 days after each period: form A monthly (25 values)
Renewal application due
May 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 1 required value missing, 2 of 12 reports late

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 45 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 6 lb/dall year
Solids, total suspendeddaily maximum≤ 840 lb/yrall year
Solids, total suspendedmonthly averagereport only (lb/mo)all year
Copper, total [as Cu]monthly average≤ 9 ug/Lall year
Copper, total [as Cu]daily maximum≤ 13 ug/Lall year
Lead, total [as Pb]monthly average≤ 2.5 ug/Lall year
Lead, total [as Pb]daily maximum≤ 65 ug/Lall year
Nickel, total [as Ni]monthly average≤ 52 ug/Lall year
Nickel, total [as Ni]daily maximum≤ 470 ug/Lall year
Zinc, total [as Zn]monthly average≤ 120 ug/Lall year
Zinc, total [as Zn]daily maximum< 120 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Chlorine, total residualmonthly average≤ 11 ug/Lall year
Chlorine, total residualdaily maximum≤ 19 ug/Lall year
Organics, volatile [NJAC reg. 7:23-17e]daily maximum≤ 100 ug/Lall year
1,4-Dioxanemonthly averagereport only (ug/L)all year
1,4-Dioxanedaily maximumreport only (ug/L)all year

How strict are these limits?

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

Same industry: the 3 Industrial and Commercial Machinery and Computer Equipment permits in Maryland.

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/MD0069094 · MCP: https://passage-data.com/mcp