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The Maine Water Company

Water Supply, Warren, Maine. NPDES permit MEU508214, in force until Dec 31, 2027. 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 (7 values)
Renewal application due: Jul 4, 2027 · 180 days before expiry; your permit may set another date
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 (7)

Parameter	Statistic	Limit	Months
pH	minimum	≥ 6 SU	Mar, Jun, Sep, Dec
pH	maximum	≤ 9 SU	Mar, Jun, Sep, Dec
Solids, settleable	daily maximum	≤ .3 mL/L	Mar, Jun, Sep, Dec
Arsenic, total [as As]	daily maximum	report only (ug/L)	Mar, Jun, Sep, Dec
Arsenic, total [as As]	daily maximum	report only (lb/d)	Mar, Jun, Sep, Dec
Flow, in conduit or thru treatment plant	monthly average	≤ 6000 gal/d	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (gal/d)	all year

How strict are these limits?

Solids, settleable, daily maximum .3 mL/L — stricter than 10% of 40 other minor industrial and other permits in Maine; 90% have the same limit

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

Same industry: the 15 Water Supply permits in Maine.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MEU508214 · MCP: https://passage-data.com/mcp