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Geneseo (V)

Sewage treatment plant, major discharger, Geneseo, New York. NPDES permit NY0030635, in force until Apr 30, 2031. Last 12 months: over a limit 11 times (last August 2026), 7 required values missing, 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (32 values), form Q quarterly (2 values), form T quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 1 required value missing, 0 of 29 reports late

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

Period endingParameterReportedLimitOver by
March 2026BOD, 5-day, percent removal, monthly average minimum83 %≥ 85 %13%
March 2026Flow, in conduit or thru treatment plant, monthly average1.52 MGD≤ 1.5 MGD1%
April 2026Flow, in conduit or thru treatment plant, monthly average1.54 MGD≤ 1.5 MGD3%
May 2026Mercury, total [as Hg], rolling average23.5 ng/L≤ 16 ng/L47%
June 2026Mercury, total [as Hg], daily maximum200 ng/L≤ 50 ng/L300%
June 2026Mercury, total [as Hg], rolling average58.8 ng/L≤ 16 ng/L268%
July 2026Coliform, fecal general, 30-day geometric mean607 #/100mL≤ 200 #/100mL204%
July 2026Coliform, fecal general, 7-day average> 2419.6 #/100mL≤ 400 #/100mL—
July 2026Mercury, total [as Hg], daily maximum200 ng/L≤ 50 ng/L300%
July 2026Mercury, total [as Hg], rolling average82 ng/L≤ 16 ng/L413%
August 2026Mercury, total [as Hg], rolling average45 ng/L≤ 16 ng/L181%

Limits in force (49)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 380 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 560 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 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≤ 380 lb/dall year
Solids, total suspended7-day average≤ 560 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5.3 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, nitrite total [as N]daily maximum≤ 4.7 mg/Lall year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (lb/d)all year
Nitrogen, nitrite total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ 1 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/LJun–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Copper, total [as Cu]daily maximum≤ 50 ug/Lall year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Di[2-ethylhexyl] phthalate [DEHP]daily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.5 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Chlorine, total residualdaily maximum≤ .18 mg/Lall year
Toxicity [acute], Ceriodaphnia dubiadaily maximum≤ .3 tox acute (alert, not enforceable)all year
Toxicity [chronic], Ceriodaphnia dubiadaily maximum≤ 4.7 tox chronic (alert, not enforceable)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]daily maximum≤ .3 tox acute (alert, not enforceable)all year
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum≤ 4.7 tox chronic (alert, not enforceable)all year
Solids, total dissolveddaily maximum≤ 2400 mg/L (alert, not enforceable)all year
Mercury, total [as Hg]rolling average≤ 16 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 average≤ 400 #/100mLMay–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent 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/NY0030635 · MCP: https://passage-data.com/mcp