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Howland Town of

Sewage treatment plant, Howland, Maine. NPDES permit ME0101788, in force until Sep 30, 2031. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (47)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LApr–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/LApr–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 125 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 125 lb/dApr–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 208 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 208 lb/dApr–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LApr–Oct
BOD, 5-day, 20 deg. Cweekly average≤ 188 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 188 lb/dApr–Oct
pHminimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHminimum≥ 6 SUApr–Oct
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
pHmaximum≤ 9 SUApr–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 30 mg/LApr–Oct
Solids, total suspendeddaily maximum≤ 50 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 45 mg/LApr–Oct
Solids, total suspendedmonthly average≤ 125 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 125 lb/dApr–Oct
Solids, total suspendeddaily maximum≤ 208 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 208 lb/dApr–Oct
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 45 mg/LApr–Oct
Solids, total suspendedweekly average≤ 188 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 188 lb/dApr–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–Sep
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun–Sep
Phosphorus, total [as P]monthly averagereport only (mg/L)Jun–Sep
Phosphorus, total [as P]daily maximumreport only (mg/L)Jun–Sep
E. coli, thermotol, MF, MTECmonthly average≤ 64 #/100mLApr–Oct
E. coli, thermotol, MF, MTECdaily maximum≤ 236 #/100mLApr–Oct
Flow, in conduit or thru treatment plantmonthly average≤ 500000 gal/dJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 500000 gal/dApr–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)Apr–Oct
Chlorine, total residualdaily maximum≤ 1 mg/LApr–Oct
Mercury, total [as Hg]monthly average≤ 12.1 ng/LApr–Oct
Mercury, total [as Hg]monthly average≤ 12.1 ng/LJan, Feb, Mar, Apr, Nov, Dec
Mercury, total [as Hg]daily maximum≤ 18.1 ng/LApr–Oct
Mercury, total [as Hg]daily maximum≤ 18.1 ng/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Apr–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %Apr–Oct
Solids, suspended percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

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/ME0101788 · MCP: https://passage-data.com/mcp