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Penn Yan (V) Municipal Board

Sewage treatment plant, major discharger, Penn Yan, New York. NPDES permit NY0029726 expired Feb 29, 2024; its limits still apply. Last 12 months: over a limit 5 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (47 values), outfall 001 form Q quarterly (4 values), outfall 001 form W quarterly, outfall 002 form S twice a year
Last report on file
August 2026
Oct 2024 – Sep 2025
11 values over a limit, 0 required values missing, 2 of 19 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, settleable, daily maximum.6 mL/L≤ .3 mL/L100%
January 2026Solids, settleable, daily maximum.4 mL/L≤ .3 mL/L33%
February 2026Solids, settleable, daily maximum.5 mL/L≤ .3 mL/L67%
March 2026Solids, settleable, daily maximum.4 mL/L≤ .3 mL/L33%
March 2026Solids, suspended percent removal, monthly average minimum82.5 %≥ 85 %17%

Limits in force (61)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen demand, ultimatemonthly average≤ 62 mg/Lall year001
Oxygen demand, ultimatedaily maximumreport only (mg/L)all year001
Oxygen demand, ultimatemonthly average≤ 930 lb/dall year001
Oxygen demand, ultimatedaily maximumreport only (lb/d)all year001
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year001
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 450 lb/dall year001
Solids, total suspended7-day average≤ 680 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, settleabledaily maximum≤ .3 mL/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 6.2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LJun–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 93 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 53 lb/dJun–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jun–Oct001
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, nitrite total [as N]daily maximumreport only (lb/d)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 1.8 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly averagereport only (ug/L)May–Oct001
Chlorine, total residualdaily maximum≤ 30 ug/LMay–Oct001
Chlorine, total residualmonthly averagereport only (lb/d)May–Oct001
Chlorine, total residualdaily maximumreport only (lb/d)May–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ .66 tox acute (alert, not enforceable)all year001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 4.4 tox chronic (alert, not enforceable)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ .66 tox acute (alert, not enforceable)all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 4.4 tox chronic (alert, not enforceable)all year001
Mercury, total [as Hg]rolling average≤ 6.9 ng/Lall year001
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year001
Mercury, total [as Hg]rolling averagereport only (g/d)all year001
Mercury, total [as Hg]daily maximumreport only (g/d)all year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 380 lb/dall year001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 600 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year001
Flow ratedaily maximumreport only (gal/d)all year002
Oxygen demand, chem. [high level] [COD]daily maximum≤ 120 mg/Lall 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/NY0029726 · MCP: https://passage-data.com/mcp