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Dutchess Co Water and Wastewater Auth

Sewage treatment plant, Rhinebeck, New York. NPDES permit NY0099295, in force until May 31, 2031. Last 12 months: over a limit 5 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (27 values), outfall 002 form A monthly (27 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingOutfallParameterReportedLimitOver by
November 2025001Coliform, fecal general, 7-day geometric mean2419.6 #/100mL≤ 400 #/100mL505%
November 2025002Coliform, fecal general, 7-day geometric mean2419.6 #/100mL≤ 400 #/100mL505%
June 2026001Coliform, fecal general, 30-day geometric mean2419 #/100mL≤ 200 #/100mL1110%
June 2026002Coliform, fecal general, 30-day geometric mean2419 #/100mL≤ 200 #/100mL1110%
July 2026001Flow rate, monthly average8767 gal/d≤ 8000 gal/d10%

Limits in force (54)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Flow ratemonthly average≤ 8000 gal/dall year001
Flow ratemonthly averagereport only (gal/d)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 2 lb/dall year001
BOD, 5-day, 20 deg. C7-day average≤ 3 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. C7-day averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
BOD, 5-day, 20 deg. C7-day averagereport only (lb/d)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2 lb/dall year001
Solids, total suspended7-day average≤ 3 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspended7-day averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspended7-day averagereport only (lb/d)all year001
Solids, settleabledaily maximum≤ .1 mL/Lall year001
Chlorine, total residualdaily maximum≤ 2 mg/Lall year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year001
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
Flow ratemonthly average≤ 8000 gal/dall year002
Flow ratemonthly averagereport only (gal/d)all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year002
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year002
BOD, 5-day, 20 deg. Cmonthly average≤ 2 lb/dall year002
BOD, 5-day, 20 deg. C7-day average≤ 3 lb/dall year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. C7-day averagereport only (mg/L)all year002
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year002
BOD, 5-day, 20 deg. C7-day averagereport only (lb/d)all year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspended7-day average≤ 45 mg/Lall year002
Solids, total suspendedmonthly average≤ 2 lb/dall year002
Solids, total suspended7-day average≤ 3 lb/dall year002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspended7-day averagereport only (mg/L)all year002
Solids, total suspendedmonthly averagereport only (lb/d)all year002
Solids, total suspended7-day averagereport only (lb/d)all year002
Solids, settleabledaily maximum≤ .1 mL/Lall year002
Chlorine, total residualdaily maximum≤ 2 mg/Lall year002
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year002
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year002
BOD, 5-day, percent removalmonthly average minimum≥ 65 %all year002
Solids, suspended percent removalmonthly average minimum≥ 65 %all year002

How strict are these limits?

Cited limits by parameter: New York'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/NY0099295 · MCP: https://passage-data.com/mcp