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Dutchess County Water & Wastewater Authority

Sewage treatment plant, Hopewell Junction, New York. NPDES permit NY0032972, in force until Jul 31, 2031. Last 12 months: over a limit 2 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (21 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, 7-day geometric mean583.7 #/100mL≤ 400 #/100mL46%
August 2026BOD, 5-day, 20 deg. C, monthly average6.2 mg/L≤ 5 mg/L24%

Limits in force (22)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 5 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 10 lb/dall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, nitrite total [as N]monthly averagereport only (mL/L)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .12 MGDall year
Chlorine, total residualdaily maximum≤ .03 mg/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %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/NY0032972 · MCP: https://passage-data.com/mcp