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P.J. Keating Company

Crushed And Broken Stone, Acushnet, Massachusetts. NPDES permit MA0029297 expired Feb 28, 2026; its limits still apply. Last 12 months: no values over a limit, 4 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (16 values), outfall 001 form AM quarterly (9 values), outfall 001 form Q quarterly (3 values), outfall 001 form T quarterly (11 values), outfall 002 form A monthly (9 values), outfall 002 form Q quarterly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 4 of 34 reports late

Limits in force (50)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradedaily maximumreport only (deg C)Jul–Sep001
Turbiditydaily maximum≤ 25 NTUall year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
pHdaily maximumreport only (SU)Jul–Sep001
Salinitydaily maximumreport only (mg/L)Jul–Sep001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendeddaily maximum≤ 23 mg/Lall year001
Oil & Greasemonthly average≤ 10 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul–Sep001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jul–Sep001
Carbon, tot organic [TOC]daily maximumreport only (mg/L)Jul–Sep001
Cadmium, total [as Cd]daily maximumreport only (mg/L)Jul–Sep001
Cadmium, total [as Cd]daily maximumreport only (mg/L)Jul–Sep001
Copper, total [as Cu]daily maximumreport only (mg/L)Jul–Sep001
Copper, total [as Cu]daily maximumreport only (mg/L)Jul–Sep001
Lead, total [as Pb]daily maximumreport only (mg/L)Jul–Sep001
Nickel, total [as Ni]daily maximumreport only (mg/L)Jul–Sep001
Nickel, total [as Ni]daily maximumreport only (mg/L)Jul–Sep001
Zinc, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Zinc, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Lead, total recoverabledaily maximumreport only (mg/L)Jul–Sep001
Benzenemonthly averagereport only (ug/L)all year001
Benzenedaily maximumreport only (ug/L)all year001
Naphthalenedaily maximumreport only (ug/L)all year001
Surfactants [MBAS]daily maximumreport only (mg/L)all year001
BTEXdaily maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Perchlorate [ClO4]daily maximumreport only (mg/L)all year001
Enterococcidaily maximumreport only (CFU/100mL)all year001
Coliform, fecal generaldaily maximumreport only (CFU/100mL)all year001
LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)daily minimum≥ 100 %Jul–Sep001
LC50 Static 48Hr Acute Menidiadaily minimum≥ 100 %Jul–Sep001
Noel Statre 7Day Chronic Arbaciadaily minimum≥ 100 %Jul–Sep001
Noel Statre 7Day Chronic Menidiadaily minimum≥ 100 %Jul–Sep001
Turbiditydaily maximum≤ 25 NTUall year002
pHminimum≥ 6.5 SUall year002
pHdaily maximum≤ 8.5 SUall year002
Solids, total suspendedmonthly average≤ 15 mg/Lall year002
Solids, total suspendeddaily maximum≤ 23 mg/Lall year002
Oil & Greasemonthly average≤ 10 mg/Lall year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Naphthalenedaily maximumreport only (ug/L)all year002
BTEXdaily maximumreport only (ug/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002

How strict are these limits?

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

Same industry: the 4 Mining and Quarrying of Nonmetallic Minerals permits in Massachusetts.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MA0029297 · MCP: https://passage-data.com/mcp