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Monticello (V)

Sewage treatment plant, major discharger, Monticello, New York. NPDES permit NY0022454 expired Jun 30, 2020; its limits still apply. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (26 values), outfall 001 form Q quarterly (2 values), outfall 001 form T quarterly (4 values), outfall 002 form A yearly, outfall 003 form A yearly
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 18 reports late

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

Period endingParameterReportedLimitOver by
August 2026BOD, carbonaceous [5 day, 20 C], daily maximum5.2 mg/L≤ 5 mg/L4%

Limits in force (37)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)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 averagereport only (mg/L)all year001
Solids, total suspendeddaily maximum≤ 10 mg/Lall year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendeddaily maximum≤ 258 lb/dall year001
Solids, total suspendeddaily maximumreport only (mg/L)all year001
Solids, settleabledaily maximum≤ .1 mL/Lall year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia, total [as NH3]monthly average≤ 2.3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia, total [as NH3]monthly average≤ 1.5 mg/LJun–Oct001
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 3.1 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ 20 ug/LMay–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ .3 tox acute (alert, not enforceable)all year001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 2.7 tox chronic (alert, not enforceable)all year001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ .3 tox acute (alert, not enforceable)all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 2.7 tox chronic (alert, not enforceable)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 averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 129 lb/dall year001
BOD, carbonaceous [5 day, 20 C]daily maximumreport 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 maximumreport only (mg/L)all year002
Flow ratedaily maximumreport only (gal/d)all year003
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year003

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/NY0022454 · MCP: https://passage-data.com/mcp