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Hartland Town of

Sewage treatment plant, major discharger, Hartland, Maine. NPDES permit ME0101443 expired May 31, 2023; its limits still apply. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (38 values)
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 (41)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. Cmonthly average≤ 66 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 132 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 660 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 1320 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 103 mg/Lall year
Solids, total suspendeddaily maximum≤ 224 mg/Lall year
Solids, total suspendedmonthly average≤ 1028 lb/dall year
Solids, total suspendeddaily maximum≤ 2238 lb/dall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Oil & Greasemonthly average≤ 15 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Oil & Greasemonthly average≤ 188 lb/dall year
Oil & Greasedaily maximum≤ 188 lb/dall year
Cyanide, free [amenable to chlorination]monthly averagereport only (mg/L)all year
Cyanide, free [amenable to chlorination]monthly average≤ 1.1 lb/dall year
Chromium, total [as Cr]monthly averagereport only (mg/L)all year
Chromium, total [as Cr]daily maximumreport only (mg/L)all year
Chromium, total [as Cr]monthly average≤ 4 lb/dall year
Chromium, total [as Cr]daily maximum≤ 34 lb/dall year
Lead, total [as Pb]monthly averagereport only (ug/L)all year
Lead, total [as Pb]monthly average≤ .08 lb/dall year
E. coli, thermotol, MF, MTECmonthly geometric mean≤ 126 #/100mLMay–Sep
E. coli, thermotol, MF, MTECdaily maximum≤ 949 #/100mLMay–Sep
Flow, in conduit or thru treatment plantmonthly average≤ 1.5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ .3 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]average≤ 8.1 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 12.1 ng/Lall year
BOD, 5-day, percent removalmonthly average minimumreport only (%)all year
Solids, suspended percent removalmonthly average minimumreport only (%)all year
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubiadaily minimum≥ 5.5 %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 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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/ME0101443 · MCP: https://passage-data.com/mcp