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Thompson (T)

Sewage treatment plant, major discharger, Monticello, New York. NPDES permit NY0030724, in force until Feb 29, 2028. Last 12 months: over a limit 8 times (last August 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A yearly (1 value), form B quarterly (1 value), form M monthly (21 values), form Q quarterly
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 0 of 18 reports late

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

Period endingParameterReportedLimitOver by
November 2025Oxygen demand, ultimate, daily maximum< 32.4 mg/L≤ 32 mg/L1%
June 2026Oxygen demand, ultimate, daily maximum26.7 mg/L≤ 15 mg/L78%
July 2026Oxygen demand, ultimate, daily maximum33.5 mg/L≤ 15 mg/L123%
August 2026Nitrogen, ammonia total [as N], monthly average< 9.7 mg/L≤ 1.4 mg/L593%
August 2026Oxygen demand, ultimate, daily maximum253.2 mg/L≤ 15 mg/L1588%
August 2026Oxygen demand, ultimate, daily maximum976.2 lb/d≤ 250 lb/d290%
August 2026Solids, total suspended, daily maximum310 lb/d≤ 170 lb/d82%
August 2026Solids, total suspended, daily maximum88.6 mg/L≤ 10 mg/L786%

Limits in force (36)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen demand, ultimatedaily maximum≤ 32 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Oxygen demand, ultimatedaily maximum≤ 15.3 mg/LJun–Oct
Oxygen demand, ultimatedaily maximum≤ 15 mg/LJun–Oct
Oxygen demand, ultimatedaily maximum≤ 530 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Oxygen demand, ultimatedaily maximum≤ 260 lb/dJun–Oct
Oxygen demand, ultimatedaily maximum≤ 250 lb/dJun–Oct
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 170 lb/dall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 2 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plant12-month average≤ 2 MGDall year
Chlorine, total residualdaily maximum≤ 30 ug/Lall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 12 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]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]daily maximumreport 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0030724 · MCP: https://passage-data.com/mcp