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Cambridge, Inc.

Miscellaneous Fabricated Wire Products, Cambridge, Maryland. NPDES permit MD0067458, in force until Jun 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A quarterly (8 values)
Renewal application due: Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file: June 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (8)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6.5 SU	all year
pH	maximum	≤ 8.5 SU	all year
1,1-Dichloroethane	daily maximum	≤ 30 ug/L	all year
1,1,1-Trichloroethane	daily maximum	≤ 30 ug/L	all year
1,1-Dichloroethene	daily maximum	≤ 30 ug/L	all year
Flow	monthly average	report only (gal/d)	all year
Flow	daily maximum	report only (gal/d)	all year
Organics, tot purgeables [Method 624]	daily maximum	≤ 100 ug/L	all year

How strict are these limits?

1,1,1-Trichloroethane, daily maximum 30 ug/L — stricter than 56% of 83 other minor industrial and other permits nationwide
1,1-Dichloroethane, daily maximum 30 ug/L — stricter than 52% of 70 other minor industrial and other permits nationwide
pH, minimum at least 6.5 SU — stricter than 15% of 145 other minor industrial and other permits in Maryland; 84% have the same limit

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MD0067458 · MCP: https://passage-data.com/mcp