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Canandaigua (C)

Sewage treatment plant, major discharger, Canandaigua, New York. NPDES permit NY0025968, in force until Nov 30, 2028. Last 12 months: over a limit 8 times (last August 2026), 11 required values missing, 3 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (28 values), form Q quarterly (11 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 1 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, 7-day geometric mean421.9 #/100mL≤ 400 #/100mL5%
March 2026Solids, settleable, daily maximum1.3 mL/L≤ .3 mL/L333%
May 2026Coliform, fecal general, 7-day geometric mean947.4 #/100mL≤ 400 #/100mL137%
June 2026Coliform, fecal general, 30-day geometric mean223.2 #/100mL≤ 200 #/100mL12%
June 2026Phosphorus, total [as P], monthly average1.2 mg/L≤ 1 mg/L20%
July 2026Coliform, fecal general, 7-day geometric mean715.8 #/100mL≤ 400 #/100mL79%
July 2026Nitrogen, ammonia, total [as NH3], monthly average430.2 lb/d≤ 225 lb/d91%
August 2026Nitrogen, ammonia, total [as NH3], monthly average434.7 lb/d≤ 225 lb/d93%

Limits in force (53)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Streamflowdaily minimum≥ 35 cfsall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1600 lb/dall year
Solids, total suspended7-day average≤ 2400 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Cyanide, free [as free]daily maximumreport only (ug/L)all year
Cyanide, total [as CN]daily maximumreport only (ug/L)all year
Cyanide, total [as CN]daily maximum≤ 1.2 lb/dall year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]daily maximum≤ 1.6 lb/dall year
Lead, total [as Pb]daily maximumreport only (ug/L)all year
Lead, total [as Pb]daily maximum≤ .76 lb/dall year
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)Jun–Oct
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)Jan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia, total [as NH3]monthly averagereport only (mg/L)Apr, May
Nitrogen, ammonia, total [as NH3]monthly average≤ 225 lb/dJun–Oct
Nitrogen, ammonia, total [as NH3]monthly average≤ 472 lb/dJan, Feb, Mar, Oct, Nov, Dec
Nitrogen, ammonia, total [as NH3]monthly average≤ 447 lb/dApr, May
Flow, in conduit or thru treatment plantmonthly average≤ 6.5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Phenolic Compounds,Totaldaily maximum≤ 17 ug/Lall year
Phenolic Compounds,Totaldaily maximumreport only (ug/L)all year
Phenolic Compounds,Totaldaily maximum≤ .92 lb/dall year
Phenolic Compounds,Totaldaily maximum≤ 1.08 lb/dall year
Mercury, total [as Hg]12-month average≤ 7.5 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall 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/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 25 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1400 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 1400 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2200 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)Jun–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jun–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)Jun–Oct
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/NY0025968 · MCP: https://passage-data.com/mcp