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Liberty (V)

Sewage treatment plant, major discharger, Liberty, New York. NPDES permit NY0030074, in force until Aug 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values), form T quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 12 reports late

Limits in force (33)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximum≤ 70 deg F (alert, not enforceable)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 500 lb/dall year
Solids, total suspended7-day average≤ 750 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Phosphorus, total [as P]daily maximum≤ 1 mg/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 2 MGDall year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Chlorine, total residualdaily maximum≤ .1 mg/LMay–Oct
Toxicity [acute], Ceriodaphnia dubiamaximum≤ .3 tox acuteall year
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1.6 tox chronicall year
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ .03 tox acuteall year
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1.6 tox chronicall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 16 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 270 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 370 lb/dall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (mg/L)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/NY0030074 · MCP: https://passage-data.com/mcp