Passage Data · Check a report · Use it from your AI

Town of Colonie

Sewage treatment plant, major discharger, Latham, New York. NPDES permit NY0027758 expired Aug 31, 2024; its limits still apply. Last 12 months: over a limit 4 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (21 values), form Q quarterly (2 values), form T quarterly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 19 reports late

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

Period endingParameterReportedLimit
December 2025Coliform, fecal general, 30-day geometric mean> 36 #/100mL≤ 200 #/100mL
December 2025Coliform, fecal general, 7-day geometric mean> 310.2 #/100mL≤ 400 #/100mL
February 2026Coliform, fecal general, 30-day geometric mean> 8.2 #/100mL≤ 200 #/100mL
February 2026Coliform, fecal general, 7-day geometric mean> 352.3 #/100mL≤ 400 #/100mL

Limits in force (27)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
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≤ 1500 lb/dall year
BOD, 5-day, 20 deg. C7-day average≤ 2300 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 1500 lb/dall year
Solids, total suspended7-day average≤ 2300 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Flow, in conduit or thru treatment plantmonthly average≤ 6 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ 2 mg/Lall year
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 13 tox acute (alert, not enforceable)all year
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 84 tox chronic (alert, not enforceable)all year
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 13 tox acute (alert, not enforceable)all year
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 84 tox chronic (alert, not enforceable)all year
Mercury, total [as Hg]individual rolling average≤ 20 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year

Cited limits by parameter: New York's rules and the federal ones.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0027758 · MCP: https://passage-data.com/mcp