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Walton (V)

Sewage treatment plant, major discharger, Walton, New York. NPDES permit NY0027154 expired Jan 31, 2020; its limits still apply. Last 12 months: over a limit 6 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (60 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 1 required value missing, 0 of 14 reports late

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

Period endingParameterReportedLimitOver by
October 2025Turbidity, time above limit, maximum5460 min≤ 2160 min153%
November 2025Turbidity, time above limit, maximum7388 min≤ 2160 min242%
December 2025Turbidity, time above limit, maximum7701 min≤ 2160 min257%
January 2026Turbidity, time above limit, maximum17160 min≤ 2160 min694%
February 2026Turbidity, time above limit, maximum29123 min≤ 2160 min1248%
June 2026Turbidity, time above limit, maximum3800 min≤ 2160 min76%

Limits in force (61)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximum≤ 70 deg F (alert, not enforceable)May–Oct
Temperature, water deg. fahrenheitdaily maximumreport only (deg F) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec
Turbidityinstantaneous maximum≤ 5 NTUall year
Oxygen demand, ultimatemonthly averagereport only (mg/L)all year
Oxygen demand, ultimatedaily maximumreport only (mg/L)all year
Oxygen demand, ultimatemonthly averagereport only (lb/d)all year
Oxygen demand, ultimatedaily maximumreport only (lb/d)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)May–Oct
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 130 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ .15 mg/Lall year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 2 lb/dall year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Nitrogen, ammonia, total [as NH3]monthly average≤ 8.8 mg/LMay–Oct
Nitrogen, ammonia, total [as NH3]daily maximum≤ 11 mg/LMay–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)May–Oct
Nitrogen, ammonia, total [as NH3]daily maximum≤ 120 lb/dMay–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)May–Oct
Nitrogen, ammonia, total [as NH3]daily maximumreport only (mg/L)May–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (lb/d)May–Oct
Nitrogen, ammonia, total [as NH3]daily maximumreport only (lb/d)May–Oct
Flow, in conduit or thru treatment plantmonthly average≤ 1.6 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (ug/L)all year
Chlorine, total residualdaily maximum≤ 49 ug/Lall year
Chlorine, total residualmonthly averagereport only (lb/d)all year
Chlorine, total residualdaily maximum≤ .65 lb/dall year
Chlorine, total residualminimum≥ .2 mg/Lall year
Turbidity, time above limitmaximum≤ 2160 minall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 330 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 530 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (lb/d)all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year

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/NY0027154 · MCP: https://passage-data.com/mcp