Passage Data · Check a report · Use it from your AI

Milo Water District

Sewage treatment plant, Milo, Maine. NPDES permit ME0100439, in force until Mar 31, 2028. Last 12 months: over a limit 5 times (last November 2025), 5 required values missing, 6 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (34 values)
Renewal application due
Oct 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025E. coli, thermotol, MF, MTEC, daily maximum381 #/100mL≤ 236 #/100mL61%
October 2025pH, minimum5.5 SU≥ 6 SU—
November 2025BOD, 5-day, 20 deg. C, daily maximum76.1 mg/L≤ 50 mg/L52%
November 2025BOD, 5-day, 20 deg. C, monthly average47.2 mg/L≤ 30 mg/L57%
November 2025BOD, 5-day, 20 deg. C, weekly average76.1 mg/L≤ 45 mg/L69%

Limits in force (39)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 98 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 163 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 146 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 50 mg/Lall year
Solids, total suspendedmonthly average≤ 98 lb/dall year
Solids, total suspendeddaily maximum≤ 163 lb/dall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedweekly average≤ 146 lb/dall year
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 (lb/d)Jun–Sep
Phosphorus, total [as P]daily maximumreport only (lb/d)Jun–Sep
Copper, total [as Cu]daily maximum≤ .08 lb/dall year
E. coli, thermotol, MF, MTECmonthly average≤ 64 #/100mLApr–Oct
E. coli, thermotol, MF, MTECdaily maximum≤ 236 #/100mLApr–Oct
Priority Pollutantsvaluereport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .39 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .16 mg/Lall year
Analytical Chemistryvaluereport only (N=0;Y=1)all year
Analytical Chemistryvaluereport only (N=0;Y=1)all year
Mercury, total [as Hg]monthly average≤ 29.1 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 43.7 ng/Lall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimumreport only (%)all year
Noel Statre 10Day Chronic Salvel. Salmoniddaily minimumreport only (%)all year
Noel Statre 10Day Chronic Salvel. Salmoniddaily minimumreport only (%)all year
NOAEL Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)all year
NOAEL Static 48Hr Acute Ceriodaphnia dubiadaily minimumreport only (%)all year
NOAEL Static 48Hr Acute Salvel. Salmoniddaily minimumreport only (%)all year
NOAEL Static 48Hr Acute Salvel. Salmoniddaily minimumreport only (%)all year

How strict are these limits?

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

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ME0100439 · MCP: https://passage-data.com/mcp