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Massport - Logan Airport

Airports, Flying Fields, & Services, East Boston, Massachusetts. NPDES permit MA0032751 expired Mar 31, 2026; 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: outfall 001 form A monthly (40 values), outfall 001 form T monthly (2 values), outfall PFAS form E quarterly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 28 reports late

Limits in force (48)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (MGD)all year001
Flow ratedaily maximum≤ .021 MGDall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 10 mg/Lall year001
Oil and greasemonthly averagereport only (mg/L)all year001
Oil and greasedaily maximum≤ 15 mg/Lall year001
Polynuclear Aromatic Hydrocarbons [PAHs]monthly averagereport only (ug/L)all year001
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximum≤ 1 ug/Lall year001
Polynuclear Aromatic Hydrocarbons [PAHs]monthly averagereport only (ug/L)all year001
Polynuclear Aromatic Hydrocarbons [PAHs]daily maximum≤ 100 ug/Lall year001
Toluenemonthly averagereport only (ug/L)all year001
Toluenedaily maximumreport only (ug/L)all year001
Benzenemonthly averagereport only (ug/L)all year001
Benzenedaily maximum≤ 5 ug/Lall year001
Benzo[b]fluoranthenemonthly averagereport only (ug/L)all year001
Benzo[b]fluoranthenedaily maximum≤ .1 ug/Lall year001
Benzo[k]fluoranthenemonthly averagereport only (ug/L)all year001
Benzo[k]fluoranthenedaily maximum≤ .1 ug/Lall year001
Benzo[a]pyrenemonthly averagereport only (ug/L)all year001
Benzo[a]pyrenedaily maximum≤ .1 ug/Lall year001
Chrysenemonthly averagereport only (ug/L)all year001
Chrysenedaily maximum≤ .1 ug/Lall year001
Ethylbenzenemonthly averagereport only (ug/L)all year001
Ethylbenzenedaily maximumreport only (ug/L)all year001
Indeno[1,2,3-cd]pyrenemonthly averagereport only (ug/L)all year001
Indeno[1,2,3-cd]pyrenedaily maximum≤ .1 ug/Lall year001
Benzo[a]anthracenemonthly averagereport only (ug/L)all year001
Benzo[a]anthracenedaily maximum≤ .1 ug/Lall year001
Dibenz[a,h]anthracenemonthly averagereport only (ug/L)all year001
Dibenz[a,h]anthracenedaily maximum≤ .1 ug/Lall year001
BTEXmonthly averagereport only (ug/L)all year001
BTEXdaily maximum≤ 100 ug/Lall year001
Enterococcimonthly averagereport only (#/100mL)all year001
Enterococcidaily maximumreport only (#/100mL)all year001
Coliform, fecal generalmonthly averagereport only (#/100mL)all year001
Coliform, fecal generaldaily maximumreport only (#/100mL)all year001
Xylene [mix of m+o+p]monthly averagereport only (ug/L)all year001
Xylene [mix of m+o+p]daily maximumreport only (ug/L)all year001
LC50 Flow-through 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)monthly average minimumreport only (%)all year001
LC50 Flow-through 48Hr Acute Menidiamonthly average minimumreport only (%)all year001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearPFAS
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearPFAS
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all yearPFAS
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearPFAS
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearPFAS
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearPFAS

How strict are these limits?

Cited limits by parameter: Massachusetts'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/MA0032751 · MCP: https://passage-data.com/mcp