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Granville (V)

Sewage treatment plant, major discharger, Granville, New York. NPDES permit NY0021547, in force until Mar 31, 2029. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (34 values), form Q quarterly (1 value), form T quarterly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 19 reports late

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

Period endingParameterReportedLimitOver by
April 2026Solids, suspended percent removal, monthly average minimum78 %≥ 85 %47%
May 2026Phosphorus, total [as P], monthly average.89 mg/L≤ .8 mg/L11%

Limits in force (41)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen demand, ultimatedaily maximum≤ 47 mg/LJun–Oct
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 330 lb/dall year
Solids, total suspended7-day average≤ 490 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspended7-day averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspended7-day averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 12.4 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ .8 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]rolling average≤ 4.3 lb/dall year
Copper, total [as Cu]daily maximum≤ 53 ug/Lall year
Copper, total [as Cu]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.3 MGDall year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1.4 tox acute (alert, not enforceable)all year
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 5.3 tox chronic (alert, not enforceable)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1.4 tox acute (alert, not enforceable)all year
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 5.3 tox chronic (alert, not enforceable)all year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Mercury, total [as Hg]daily maximumreport only (ng/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]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≤ 270 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 430 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/NY0021547 · MCP: https://passage-data.com/mcp