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Hartland Redevelopment LLC

Leather Tanning And Finishing, Hartland, Maine. NPDES permit ME0000108 expired Sep 30, 2024; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 15 days after each period: form A monthly (8 values)
Last report on file: September 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (8)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	daily maximum	≤ 90 deg F	Jun–Sep
pH	minimum	≥ 6 SU	Jun–Sep
pH	maximum	≤ 8.5 SU	Jun–Sep
Cyanide, free [amenable to chlorination]	daily maximum	report only (ug/L)	all year
Chromium, total [as Cr]	daily maximum	report only (ug/L)	all year
Lead, total [as Pb]	daily maximum	report only (ug/L)	all year
Flow, in conduit or thru treatment plant	daily maximum	≤ .5 MGD	Jun–Sep
Mercury, total [as Hg]	daily maximum	report only (ug/L)	all year

How strict are these limits?

pH, maximum 8.5 SU — stricter than 87% of 83 other minor industrial and other permits in Maine; 12% have the same limit
Temperature, water deg. fahrenheit, daily maximum 90 deg F — stricter than 23% of 648 other minor industrial and other permits nationwide; 33% have the same limit

Cited limits by parameter: Maine'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/ME0000108 · MCP: https://passage-data.com/mcp