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Marion (T)

Sewage treatment plant, Marion, New York. NPDES permit NY0031569, in force until Jun 30, 2030. Last 12 months: no values over a limit, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (19 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (44)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimum≥ 8 mg/Lall year
Oxygen, dissolved [DO]daily minimum≥ 3 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 47 lb/dall year
Solids, total suspendeddaily maximum≤ 10.43 lb/dall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/LDec
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/LMay
Nitrogen, ammonia total [as N]monthly average≤ 25 mg/LNov
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan–Apr
Nitrogen, ammonia total [as N]daily maximum≤ 17.6 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 18 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 6.6 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 8.3 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LJun–Sep
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan–Apr
Flow, in conduit or thru treatment plantmonthly average≤ .125 MGDall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/LJul–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/LJun, Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/LJul–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 10 mg/LJun, Nov
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15 mg/LJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 lb/dJul–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 lb/dJun, Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 lb/dJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5.21 lb/dJul–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 10.43 lb/dJun, Nov
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 15.64 lb/dJan, Feb, Mar, Apr, May, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 65 %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/NY0031569 · MCP: https://passage-data.com/mcp