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Wawayanda (T)

Sewage treatment plant, Slate Hill, New York. NPDES permit NY0029149, in force until May 31, 2027. Last 12 months: over a limit 7 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (19 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value 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 2025BOD, carbonaceous [5 day, 20 C], daily maximum15.8 mg/L≤ 5 mg/L216%
February 2026Nitrogen, ammonia, total [as NH3], daily maximum2.57 mg/L≤ 2 mg/L29%
June 2026BOD, carbonaceous [5 day, 20 C], daily maximum41.9 mg/L≤ 5 mg/L738%
June 2026Nitrogen, ammonia, total [as NH3], daily maximum6.9 mg/L≤ 2 mg/L245%
June 2026Solids, total suspended, daily maximum20 mg/L≤ 10 mg/L100%
August 2026BOD, carbonaceous [5 day, 20 C], daily maximum7.5 mg/L≤ 5 mg/L50%
August 2026Nitrogen, ammonia, total [as NH3], daily maximum2.2 mg/L≤ 2 mg/L10%

Limits in force (19)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Flow ratemonthly average≤ 80000 gal/dall year
Flow ratedaily maximumreport only (gal/d)all year
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 8.5 SUall year
pHminimumreport only (SU)all year
pHmaximumreport only (SU)all year
Solids, total suspendeddaily maximum≤ 10 mg/Lall year
Solids, total suspendeddaily maximum≤ 6.7 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 NH3]daily maximum≤ 2 mg/Lall year
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/Lall 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/NY0029149 · MCP: https://passage-data.com/mcp