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Targa Terminals, LLC

Brick, Stone, & Related Materials, Baltimore, Maryland. NPDES permit MD0001449 expired Jul 11, 2026; its limits still apply. Last 12 months: no values over a limit, 13 of 20 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A quarterly (8 values), form B quarterly (1 value)
Last report on file: July 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (9)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	minimum	≥ 5 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Temp. diff. between up/down stream deg. F	daily maximum	≤ 0 deg F	all year
Flow, in conduit or thru treatment plant	monthly average	report only (gal/d)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year
Chlorine, total residual	monthly average	< .1 mg/L	all year
Chlorine, total residual	daily maximum	< .1 mg/L	all year

How strict are these limits?

Chlorine, total residual, monthly average .1 mg/L — stricter than 47% of 2,336 other minor industrial and other permits nationwide; 2% have the same limit
Oil & Grease, daily maximum 15 mg/L — stricter than 13% of 2,554 other minor industrial and other permits nationwide; 78% have the same limit

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

Same industry: the 3 Wholesale Trade — Durable Goods permits in Maryland.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0001449 · MCP: https://passage-data.com/mcp