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York (T)

Sewage treatment plant, York, New York. NPDES permit NY0023990, in force until Jan 31, 2029. Last 12 months: over a limit 3 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (38 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
April 2026Flow, in conduit or thru treatment plant, 30-day average.304 MGD≤ .3 MGD1%
July 2026Coliform, fecal general, 30-day geometric mean≥ 1221.2 CFU/100mL≤ 200 CFU/100mL511%
July 2026Coliform, fecal general, 7-day geometric mean> 2419.6 CFU/100mL≤ 400 CFU/100mL—

Limits in force (39)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen demand, ultimatedaily maximum≤ 73 mg/LJun–Oct
Oxygen demand, ultimatedaily maximum≤ 180 lb/dJun–Oct
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspended30-day arithmetic mean≤ 30 mg/Lall year
Solids, total suspended7-day arithmetic mean≤ 45 mg/Lall year
Solids, total suspended30-day arithmetic mean≤ 75 lb/dall year
Solids, total suspended7-day arithmetic mean≤ 110 lb/dall year
Solids, total suspended30-day arithmetic meanreport only (mg/L)all year
Solids, total suspended7-day arithmetic meanreport only (mg/L)all year
Solids, total suspended30-day arithmetic meanreport only (lb/d)all year
Solids, total suspended7-day arithmetic meanreport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3.4 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Jun–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plant30-day average≤ .3 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 CFU/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 CFU/100mLMay–Oct
BOD, carbonaceous [5 day, 20 C]30-day arithmetic mean≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic mean≤ 38 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic mean≤ 63 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic mean≤ 100 lb/dall year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic meanreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]30-day arithmetic meanreport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]7-day arithmetic meanreport 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0023990 · MCP: https://passage-data.com/mcp