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New Paltz (T)

Sewage treatment plant, New Paltz, New York. NPDES permit NY0109886, in force until Apr 30, 2028. Last 12 months: over a limit 6 times (last June 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (17 values)
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], monthly average2.7 mg/L≤ 2 mg/L35%
February 2026Nitrogen, ammonia total [as N], monthly average7.3 mg/L≤ 2 mg/L265%
March 2026Nitrogen, ammonia total [as N], monthly average2.7 mg/L≤ 2 mg/L35%
April 2026Nitrogen, ammonia total [as N], monthly average4.7 mg/L≤ 2 mg/L135%
May 2026Nitrogen, ammonia total [as N], monthly average3.2 mg/L≤ 2 mg/L60%
June 2026Nitrogen, ammonia total [as N], monthly average5.75 mg/L≤ 2 mg/L188%

Limits in force (31)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]minimum≥ 7 mg/Lall year
pHminimum≥ 6.5 SUall year
pHminimum≥ 6 SUall year
pHmaximum≤ 8.5 SUall year
pHmaximum≤ 9 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendeddaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximum≤ 1.3 lb/dall year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, settleabledaily maximum≤ .1 mL/Lall year
Solids, settleabledaily maximumreport only (mL/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ .015 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualdaily maximum≤ .03 mg/LMay–Oct
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]daily maximum≤ 5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ .6 lb/dall year
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)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.

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/NY0109886 · MCP: https://passage-data.com/mcp