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Dexter (V)

Sewage treatment plant, Dexter, New York. NPDES permit NY0031461, in force until Aug 31, 2031. Last 12 months: over a limit 6 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (34 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025BOD, 5-day, 20 deg. C, monthly average35 mg/L≤ 30 mg/L17%
June 2026BOD, 5-day, percent removal, monthly average minimum83 %≥ 85 %13%
June 2026Solids, suspended percent removal, monthly average minimum77 %≥ 85 %53%
June 2026Solids, total suspended, 7-day average96.7 lb/d≤ 94 lb/d3%
June 2026Solids, total suspended, monthly average96.7 lb/d≤ 63 lb/d53%
September 2026BOD, 5-day, percent removal, monthly average minimum80 %≥ 85 %33%

Limits in force (34)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)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≤ 63 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 94 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. C7-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. C7-day averagereport only (lb/d)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHdaily minimumreport only (SU)all year
pHdaily maximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 63 lb/dall year
Solids, total suspended7-day average≤ 94 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspended7-day averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspended7-day averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ .25 MGDall year
Flow, in conduit or thru treatment plantmonthly average≤ .6 MGDall year
Chlorine, total residualdaily maximum≤ .5 mg/LMay–Oct
Chlorine, total residualdaily maximum≤ 1 lb/dMay–Oct
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
BOD, 5-day, percent removalmonthly average minimum≥ 50 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 50 %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/NY0031461 · MCP: https://passage-data.com/mcp