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GMD Shipyard Corp

Ship Building And Repairing, Brooklyn, New York. NPDES permit NY0277011, in force until Apr 30, 2027. Last 12 months: over a limit 4 times (last January 2026), 6 of 66 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (9 values), outfall 002 form M monthly (9 values), outfall 005 form M monthly (9 values), outfall 006 form M monthly (9 values), outfall 007 form M monthly (9 values), outfall 010 form M monthly (9 values)
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 1 required value missing, 12 of 72 reports late

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

Period endingOutfallParameterReportedLimitOver by
October 2025005Solids, total suspended, daily maximum55.3 mg/L≤ 45 mg/L23%
October 2025007Solids, total suspended, daily maximum60.8 mg/L≤ 45 mg/L35%
December 2025007Solids, total suspended, daily maximum66.8 mg/L≤ 45 mg/L48%
January 2026005Solids, total suspended, daily maximum284 mg/L≤ 45 mg/L531%

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
Flow ratedaily maximumreport only (MGD)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Arsenic, total [as As]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Lead, total [as Pb]daily maximumreport only (ug/L)all year001
Nickel, total [as Ni]daily maximumreport only (ug/L)all year001
Flow ratedaily maximumreport only (MGD)all year002
pHminimum≥ 6 SUall year002
pHmaximum≤ 9 SUall year002
Solids, total suspendeddaily maximum≤ 45 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Arsenic, total [as As]daily maximumreport only (ug/L)all year002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Lead, total [as Pb]daily maximumreport only (ug/L)all year002
Nickel, total [as Ni]daily maximumreport only (ug/L)all year002
Flow ratedaily maximumreport only (MGD)all year005
pHminimum≥ 6 SUall year005
pHmaximum≤ 9 SUall year005
Solids, total suspendeddaily maximum≤ 45 mg/Lall year005
Oil & Greasedaily maximum≤ 15 mg/Lall year005
Arsenic, total [as As]daily maximumreport only (ug/L)all year005
Copper, total [as Cu]daily maximumreport only (ug/L)all year005
Lead, total [as Pb]daily maximumreport only (ug/L)all year005
Nickel, total [as Ni]daily maximumreport only (ug/L)all year005
Flow ratedaily maximumreport only (MGD)all year006
pHminimum≥ 6 SUall year006
pHmaximum≤ 9 SUall year006
Solids, total suspendeddaily maximum≤ 45 mg/Lall year006
Solids, total suspendeddaily maximum≤ 45 mg/Lall year006
Solids, total suspendeddaily maximum≤ 45 mg/Lall year006
Oil & Greasedaily maximum≤ 15 mg/Lall year006
Arsenic, total [as As]daily maximumreport only (ug/L)all year006
Copper, total [as Cu]daily maximumreport only (ug/L)all year006
Lead, total [as Pb]daily maximumreport only (ug/L)all year006
Nickel, total [as Ni]daily maximumreport only (ug/L)all year006
Flow ratedaily maximumreport only (MGD)all year007
pHminimum≥ 6 SUall year007
pHmaximum≤ 9 SUall year007
Solids, total suspendeddaily maximum≤ 45 mg/Lall year007
Oil & Greasedaily maximum≤ 15 mg/Lall year007
Arsenic, total [as As]daily maximumreport only (ug/L)all year007
Copper, total [as Cu]daily maximumreport only (ug/L)all year007
Lead, total [as Pb]daily maximumreport only (ug/L)all year007
Nickel, total [as Ni]daily maximumreport only (ug/L)all year007
Flow ratedaily maximumreport only (MGD)all year010
pHminimum≥ 6 SUall year010
pHmaximum≤ 9 SUall year010
Solids, total suspendeddaily maximum≤ 45 mg/Lall year010
Solids, total suspendeddaily maximum≤ 45 mg/Lall year010
Solids, total suspendeddaily maximum≤ 45 mg/Lall year010
Oil & Greasedaily maximum≤ 15 mg/Lall year010
Arsenic, total [as As]daily maximumreport only (ug/L)all year010
Copper, total [as Cu]daily maximumreport only (ug/L)all year010
Lead, total [as Pb]daily maximumreport only (ug/L)all year010
Nickel, total [as Ni]daily maximumreport only (ug/L)all year010

How strict are these limits?

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

Same industry: the 6 Transportation Equipment permits in New York.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0277011 · MCP: https://passage-data.com/mcp