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Twin Rivers Technologies, L.P.

Soap And Other Detergents, Quincy, Massachusetts. NPDES permit MA0004073 expired Apr 30, 2015; its limits still apply. Last 12 months: over a limit once (last December 2025), 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A quarterly (9 values), outfall 003 form A monthly (5 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 19 required values missing, 6 of 16 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, daily maximum120 mg/L≤ 100 mg/L20%

Limits in force (14)

ParameterStatisticLimitMonthsOutfall
Flow ratemonthly averagereport only (MGD)all year001
Flow ratedaily maximumreport only (MGD)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 100 mg/Lall year001
Oil & Greasedaily maximum≤ 15 mg/Lall year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Zinc, total recoverabledaily maximumreport only (mg/L)all year001
Temperature, water deg. fahrenheitdaily maximum≤ 87 deg Fall year003
Flow ratemonthly average≤ 5 MGDall year003
Flow ratedaily maximum≤ 5 MGDall year003
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 8.5 SUall year003

How strict are these limits?

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

Same industry: the 4 Chemicals and Allied Products permits in Massachusetts.

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/MA0004073 · MCP: https://passage-data.com/mcp