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Altmar Parish Williamstown SCH Dist

Services, Parish, New York. NPDES permit NY0216186, in force until Jun 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form Q quarterly (24 values)
Renewal application due
Jan 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 4 reports late

Limits in force (42)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/LJun–Oct
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 5 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 5 mg/LJun–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 10 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 1.34 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 1.34 lb/dJun–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 2.68 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendedmonthly average≤ 2.68 lb/dall year
Solids, total suspendeddaily maximum≤ 2.68 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.8 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 1.24 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 1.81 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .26 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .48 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .33 lb/dJun–Oct
Nitrogen, ammonia total [as N]daily maximum≤ .48 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 32000 gal/dall year
Flow, in conduit or thru treatment plantdaily maximum≤ .032 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/Lall 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.

Same industry: the 180 Miscellaneous Services permits in New York.

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Your permit document is the final word. As JSON: /api/v1/permits/NY0216186 · MCP: https://passage-data.com/mcp