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Village of Bath

Sewage treatment plant, major discharger, Bath, New York. NPDES permit NY0021431 expired Sep 30, 2025; its limits still apply. Last 12 months: over a limit 20 times (last August 2026), 2 required values missing, 9 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (76 values), form Q quarterly (3 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
36 values over a limit, 0 required values missing, 14 of 19 reports late

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

All 20 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, 30-day geometric mean> 286 #/100mL≤ 200 #/100mL—
October 2025Coliform, fecal general, 7-day geometric mean> 2419.6 #/100mL≤ 400 #/100mL—
October 2025Cyanide, total [as CN], daily maximum< 25 lb/d≤ .11 lb/d22627%
October 2025Nitrogen, ammonia total [as N], monthly average1.56 mg/L≤ 1.4 mg/L11%
February 2026Nitrogen, ammonia total [as N], monthly average5.36 mg/L≤ 4.5 mg/L19%
March 2026Nitrogen, ammonia total [as N], monthly average207 lb/d≤ 38 lb/d445%
March 2026Nitrogen, ammonia total [as N], monthly average30.4 mg/L≤ 4.5 mg/L576%
May 2026BOD, carbonaceous [5 day, 20 C], 7-day average> 47.2 lb/d≤ 340 lb/d—
May 2026BOD, carbonaceous [5 day, 20 C], 7-day average> 6.44 mg/L≤ 40 mg/L—
May 2026BOD, carbonaceous [5 day, 20 C], monthly average> 47.9 lb/d≤ 210 lb/d—
May 2026BOD, carbonaceous [5 day, 20 C], monthly average> 6.44 mg/L≤ 25 mg/L—
May 2026Carbonaceous oxygen demand, % removal, monthly average minimum< 94.4 %≥ 85 %—
May 2026Coliform, fecal general, 30-day geometric mean> 311.3 #/100mL≤ 200 #/100mL—
May 2026Coliform, fecal general, 7-day geometric mean> 2419.6 #/100mL≤ 400 #/100mL—
May 2026Nitrogen, ammonia total [as N], monthly average4.81 mg/L≤ 4.5 mg/L7%
June 2026Coliform, fecal general, 30-day geometric mean522 #/100mL≤ 200 #/100mL161%
June 2026Coliform, fecal general, 7-day geometric mean1046 #/100mL≤ 400 #/100mL162%
July 2026Coliform, fecal general, 7-day geometric mean2419.6 #/100mL≤ 400 #/100mL505%
August 2026Coliform, fecal general, 7-day geometric mean1203.3 #/100mL≤ 400 #/100mL201%
August 2026pH, minimum6.1 SU≥ 6.5 SU—

Limits in force (112)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximum≤ 21 deg C (alert, not enforceable)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 330 lb/dall year
Solids, total suspendedmonthly average≤ 250 lb/dall year
Solids, total suspended7-day average≤ 490 lb/dall year
Solids, total suspended7-day average≤ 380 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≤ .1 mL/Lall year
Solids, settleabledaily maximum≤ .3 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly loadreport only (lb/mo)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly loadreport only (lb/mo)all year
Nitrogen, total [as N]12-month averagereport only (lb/yr)all year
Nitrogen, total [as N]12-month average≤ 61000 lb/yrall year
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 3.6 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 12 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 39 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 12 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 38 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrite total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)all year
Nitrogen, nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrogen, nitrate total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly loadreport only (lb/mo)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]12-month average≤ 1520 lb/yrall year
Cyanide, total [as CN]daily maximum≤ 10 ug/Lall year
Cyanide, total [as CN]daily maximum≤ 13 ug/Lall year
Cyanide, total [as CN]daily maximum≤ .11 lb/dall year
Cyanide, total [as CN]daily maximum≤ .11 lb/dall year
Copper, total [as Cu]daily maximum≤ 32 ug/Lall year
Copper, total [as Cu]daily maximum≤ 40 ug/Lall year
Copper, total [as Cu]daily maximum≤ .35 lb/dall year
Copper, total [as Cu]daily maximum≤ .33 lb/dall year
Lead, total [as Pb]daily maximum≤ 22 ug/Lall year
Lead, total [as Pb]daily maximum≤ 28 ug/Lall year
Lead, total [as Pb]daily maximum≤ .24 lb/dall year
Lead, total [as Pb]daily maximum≤ .23 lb/dall year
Nickel, total [as Ni]daily maximum≤ .18 mg/Lall year
Nickel, total [as Ni]daily maximum≤ .23 mg/Lall year
Nickel, total [as Ni]daily maximum≤ 2 lb/dall year
Nickel, total [as Ni]daily maximum≤ 1.9 lb/dall year
Zinc, total [as Zn]daily maximum≤ .29 mg/Lall year
Zinc, total [as Zn]daily maximum≤ .35 mg/Lall year
Zinc, total [as Zn]daily maximum≤ 3.1 lb/dall year
Zinc, total [as Zn]daily maximum≤ 2.9 lb/dall year
Total phenolsdaily maximum≤ 10 ug/Lall year
Total phenolsdaily maximum≤ 13 ug/Lall year
Total phenolsdaily maximum≤ .11 lb/dall year
Total phenolsdaily maximum≤ .11 lb/dall year
Chlorinated phenolsdaily maximum≤ 5 ug/Lall year
Chlorinated phenolsdaily maximum≤ 5 ug/Lall year
Chlorinated phenolsdaily maximum≤ .05 lb/dall year
Chlorinated phenolsdaily maximum≤ .04 lb/dall year
Flow, in conduit or thru treatment plantmonthly average≤ 1.3 MGDall year
Flow, in conduit or thru treatment plantmonthly average≤ 1 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
Solids, total dissolveddaily maximumreport only (mg/L)all year
Mercury, total [as Hg]rolling average≤ 12 ng/Lall year
Mercury, total [as Hg]daily maximum≤ 50 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]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 270 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 210 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 430 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 340 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]7-day averagereport 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/NY0021431 · MCP: https://passage-data.com/mcp