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

Herkimer Co SD

Sewage treatment plant, major discharger, Mohawk, New York. NPDES permit NY0036528 expired May 31, 2022; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 002 form M monthly (2 values), outfall 01A form M monthly (35 values), outfall 001 form E quarterly, outfall 001 form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 33 reports late

Limits in force (69)

ParameterStatisticLimitMonthsOutfall
Cyanide, free [amenable to chlorination]daily maximum≤ 19 ug/L (alert, not enforceable)all year001
Cyanide, free [amenable to chlorination]daily maximum≤ .95 lb/d (alert, not enforceable)all year001
Cadmium, total [as Cd]daily maximum≤ 19 ug/L (alert, not enforceable)all year001
Cadmium, total [as Cd]daily maximum≤ .96 lb/d (alert, not enforceable)all year001
Copper, total [as Cu]daily maximum≤ 55 ug/L (alert, not enforceable)all year001
Copper, total [as Cu]daily maximum≤ 2.8 lb/d (alert, not enforceable)all year001
Lead, total [as Pb]daily maximum≤ 9.8 ug/L (alert, not enforceable)all year001
Lead, total [as Pb]daily maximum≤ .5 lb/d (alert, not enforceable)all year001
Zinc, total [as Zn]daily maximum≤ 110 ug/L (alert, not enforceable)all year001
Zinc, total [as Zn]daily maximum≤ 5.8 lb/d (alert, not enforceable)all year001
Di[2-ethylhexyl] phthalate [DEHP]quarterly maximumreport only (ug/L)all year001
Di[2-ethylhexyl] phthalate [DEHP]quarterly maximum≤ 2.5 lb/dall year001
Mercury, total [as Hg]monthly averagereport only (ng/L)all year001
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year001
Mercury, total [as Hg]quarterly maximum≤ 50 ng/Lall year001
Mercury, total [as Hg]quarterly maximumreport only (g/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year01A
pHminimum≥ 6 SUall year01A
pHmaximum≤ 9 SUall year01A
Solids, total suspendedmonthly average≤ 30 mg/Lall year01A
Solids, total suspended7-day average≤ 45 mg/Lall year01A
Solids, total suspendedmonthly average≤ 1500 lb/dall year01A
Solids, total suspended7-day average≤ 2300 lb/dall year01A
Solids, total suspendedmonthly averagereport only (mg/L)all year01A
Solids, total suspended7-day averagereport only (mg/L)all year01A
Solids, total suspendedmonthly averagereport only (lb/d)all year01A
Solids, total suspended7-day averagereport only (lb/d)all year01A
Solids, settleabledaily maximum≤ .3 mL/Lall year01A
Solids, settleabledaily maximumreport only (mL/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year01A
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year01A
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year01A
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)all year01A
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year01A
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year01A
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year01A
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year01A
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year01A
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year01A
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year01A
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (ug/L)all year01A
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 27 ug/Lall year01A
Di[2-ethylhexyl] phthalate [DEHP]monthly averagereport only (lb/d)all year01A
Di[2-ethylhexyl] phthalate [DEHP]daily maximum≤ 1.4 lb/dall year01A
Flow, in conduit or thru treatment plantmonthly average≤ 6.1 MGDall year01A
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year01A
Chlorine, total residualmonthly averagereport only (mg/L)May–Oct01A
Chlorine, total residualdaily maximum≤ 1.1 mg/LMay–Oct01A
Chlorine, total residualmonthly averagereport only (lb/d)May–Oct01A
Chlorine, total residualdaily maximum≤ 56 lb/dMay–Oct01A
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Oct01A
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Oct01A
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year01A
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year01A
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1300 lb/dall year01A
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2000 lb/dall year01A
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year01A
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (mg/L)all year01A
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year01A
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (lb/d)all year01A
Solids, suspended percent removalmonthly average minimum≥ 85 %all year01A
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year01A

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

· 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/NY0036528 · MCP: https://passage-data.com/mcp