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Northampton (T)

Sewage treatment plant, Northville, New York. NPDES permit NY0030066, in force until Jan 31, 2031. Last 12 months: no values over a limit, 1 required value missing, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (13 values), form Q quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 16 reports late

Limits in force (34)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily averagereport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Flow rate30-day arithmetic mean≤ 75000 gal/dall year
Flow ratemaximumreport only (gal/d)all year
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 45 mg/Lall year
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 18.7 lb/dall year
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 28.1 lb/dall year
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day arithmetic meanreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (lb/d)all year
BOD, 5-day, 20 deg. C7-day arithmetic meanreport only (lb/d)all year
pHminimum≥ 5.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day arithmetic mean≤ 30 mg/Lall year
Solids, total suspended7-day arithmetic mean≤ 45 mg/Lall year
Solids, total suspended30-day arithmetic mean≤ 18.7 lb/dall year
Solids, total suspended7-day arithmetic mean≤ 28.1 lb/dall year
Solids, total suspended30-day arithmetic meanreport only (mg/L)all year
Solids, total suspended7-day arithmetic meanreport only (mg/L)all year
Solids, total suspended30-day arithmetic meanreport only (lb/d)all year
Solids, total suspended7-day arithmetic meanreport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Chlorine, total residualdaily maximum≤ 1 mg/LMay–Sep
Coliform, fecal general30-day geometric mean≤ 200 #/100mLJun, Aug
Coliform, fecal general7-day geometric mean≤ 400 #/100mLJun, Aug
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year

How strict are these limits?

Cited limits by parameter: New York'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/NY0030066 · MCP: https://passage-data.com/mcp