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Stony Point (T)

Sewage treatment plant, major discharger, Stony Point, New York. NPDES permit NY0028851, in force until Nov 30, 2029. Last 12 months: over a limit 2 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (25 values), form Q quarterly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
January 2026Flow, in conduit or thru treatment plant, monthly average1.02 MGD≤ 1 MGD2%
July 2026Coliform, fecal general, 7-day geometric mean410.6 #/100mL≤ 400 #/100mL3%

Limits in force (31)

ParameterStatisticLimitMonths
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≤ 450 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 680 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 450 lb/dall year
Solids, total suspended7-day average≤ 680 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly average≤ 1.8 MGDall year
Chlorine, total residualdaily maximum≤ .75 mg/LMay–Oct
Enterococci30-day geometric mean≤ 35 #/100mLMay–Oct
Enterococci30-day geometric meanreport only (#/100mL)May–Oct
Enterococcidaily maximumreport only (#/100mL)May–Oct
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Mercury, total [as Hg]daily maximumreport only (ng/L)all year
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
Solids, suspended percent 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/NY0028851 · MCP: https://passage-data.com/mcp