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Catskill (T)

Sewage treatment plant, Cementon, New York. NPDES permit NY0205044, in force until Dec 31, 2026. Last 12 months: over a limit 3 times (last April 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form X monthly (14 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 6 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026BOD, 5-day, percent removal, monthly average minimum84 %≥ 85 %7%
March 2026Flow, in conduit or thru treatment plant, 30-day arithmetic mean.076 MGD≤ .026 MGD192%
April 2026Flow, in conduit or thru treatment plant, 30-day arithmetic mean.03 MGD≤ .026 MGD15%

Limits in force (31)

ParameterStatisticLimitMonths
Oxygen demand, ultimatedaily maximum≤ 50 mg/LJun–Oct
Oxygen, dissolved [DO]daily minimum≥ 7 mg/LJun–Oct
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C30-day arithmetic mean≤ 7 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C7-day arithmetic mean≤ 10 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. C30-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)Jan, Feb, Mar, Apr, May, Nov, Dec
pHmaximumreport only (SU)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended30-day arithmetic mean≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximum≤ 10 mg/LJun–Oct
Solids, total suspended7-day arithmetic mean≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended30-day arithmetic mean≤ 7 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended7-day arithmetic mean≤ 10 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended30-day arithmetic meanreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspended30-day arithmetic meanreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)Jun–Oct
Nitrogen, ammonia, total [as NH3]daily maximum≤ 5 mg/LJun–Oct
Flow, in conduit or thru treatment plant30-day arithmetic mean≤ .026 MGDJan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plant30-day arithmetic mean≤ .026 MGDJun–Oct
Chlorine, total residualmonthly averagereport only (mg/L)May–Oct
Chlorine, total residualdaily maximum≤ .1 mg/LMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jun–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, May, Nov, Dec

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/NY0205044 · MCP: https://passage-data.com/mcp