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Orange Co Dept of Ef and S

Sewage treatment plant, major discharger, Harriman, New York. NPDES permit NY0027901 expired Feb 28, 2025; its limits still apply. Last 12 months: over a limit 24 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (56 values), outfall 001 form B monthly (2 values), outfall 001 form X quarterly (1 value), outfall 002 form M monthly (3 values), outfall 001 form V quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
14 values over a limit, 0 required values missing, 0 of 44 reports late

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

All 24 values over a limit
Period endingParameterReportedLimitOver by
December 2025Chloride [as Cl], daily maximum510 mg/L≤ 500 mg/L2%
December 2025Copper, total [as Cu], daily maximum23.1 ug/L≤ 20 ug/L16%
January 2026Nitrogen, ammonia total [as N], monthly average2.3 mg/L≤ 2.2 mg/L5%
January 2026Solids, total dissolved, daily maximum1050 mg/L≤ 1000 mg/L5%
February 2026Chloride [as Cl], daily maximum550 mg/L≤ 500 mg/L10%
February 2026Nitrogen, ammonia total [as N], monthly average120 lb/d≤ 110 lb/d9%
February 2026Nitrogen, ammonia total [as N], monthly average3 mg/L≤ 2.2 mg/L36%
February 2026Oxygen demand, ultimate, daily maximum53.1 mg/L≤ 40 mg/L33%
February 2026Solids, total dissolved, daily maximum1180 mg/L≤ 1000 mg/L18%
March 2026Copper, total [as Cu], daily maximum1.2 lb/d≤ 1 lb/d20%
March 2026Flow, in conduit or thru treatment plant, monthly average8.545 MGD≤ 6 MGD42%
March 2026Nitrogen, ammonia total [as N], monthly average327.2 lb/d≤ 110 lb/d197%
March 2026Nitrogen, ammonia total [as N], monthly average4.7 mg/L≤ 2.2 mg/L114%
March 2026Oxygen demand, ultimate, daily maximum3507.9 lb/d≤ 2000 lb/d75%
March 2026Oxygen demand, ultimate, daily maximum48.1 mg/L≤ 40 mg/L20%
March 2026Solids, total dissolved, daily maximum1050 mg/L≤ 1000 mg/L5%
April 2026Oxygen demand, ultimate, daily maximum2877.8 lb/d≤ 2000 lb/d44%
April 2026Oxygen demand, ultimate, daily maximum52.9 mg/L≤ 40 mg/L32%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum341.3 lb/d≤ 250 lb/d37%
July 2026BOD, carbonaceous [5 day, 20 C], daily maximum5.7 mg/L≤ 5 mg/L14%
July 2026Coliform, fecal general, 7-day geometric mean838.9 #/100mL≤ 400 #/100mL110%
July 2026Flow, in conduit or thru treatment plant, monthly average6.654 MGD≤ 6 MGD11%
July 2026Nitrogen, ammonia total [as N], monthly average1.1 mg/L≤ .99 mg/L11%
July 2026Nitrogen, ammonia total [as N], monthly average59.9 lb/d≤ 50 lb/d20%

Limits in force (135)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
Oxygen demand, ultimatemonthly averagereport only (mg/L)Jun–Oct001
Oxygen demand, ultimatemonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Oxygen demand, ultimatedaily maximumreport only (mg/L)Jun–Oct001
Oxygen demand, ultimatedaily maximum≤ 40 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Oxygen demand, ultimatemonthly averagereport only (lb/d)Jun–Oct001
Oxygen demand, ultimatemonthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Oxygen demand, ultimatedaily maximumreport only (lb/d)Jun–Oct001
Oxygen demand, ultimatedaily maximum≤ 2000 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year001
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all year001
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)Jun–Oct001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendeddaily maximum≤ 10 mg/LJun–Oct001
Solids, total suspended7-day average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendedmonthly averagereport only (lb/d)Jun–Oct001
Solids, total suspendedmonthly average≤ 1500 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendeddaily maximum≤ 500 lb/dJun–Oct001
Solids, total suspended7-day average≤ 2300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendedmonthly averagereport only (mg/L)Jun–Oct001
Solids, total suspendedmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendeddaily maximumreport only (mg/L)Jun–Oct001
Solids, total suspended7-day averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendedmonthly averagereport only (lb/d)Jun–Oct001
Solids, total suspendedmonthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Solids, total suspendeddaily maximumreport only (lb/d)Jun–Oct001
Solids, total suspended7-day averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Solids, settleabledaily maximum≤ .1 mL/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ .99 mg/LJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.2 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jun–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 50 lb/dJun–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 110 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jun–Oct001
Nitrogen, ammonia total [as N]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]daily maximumreport only (lb/d)all year001
Chloride [as Cl]monthly average≤ 250 mg/Lall year001
Chloride [as Cl]daily maximumreport only (mg/L)all year001
Chloride [as Cl]daily maximum≤ 500 mg/Lall year001
Chloride [as Cl]monthly average≤ 13000 lb/dall year001
Chloride [as Cl]daily maximumreport only (lb/d)all year001
Copper, total [as Cu]daily maximum≤ 20 ug/Lall year001
Copper, total [as Cu]daily maximum≤ 1 lb/dall year001
Lead, total [as Pb]daily maximum≤ 17 ug/Lall year001
Lead, total [as Pb]daily maximum≤ .84 lb/dall year001
Zinc, total [as Zn]daily maximum≤ 170 ug/Lall year001
Zinc, total [as Zn]daily maximum≤ 8.4 lb/dall year001
Phenolics, total recoverabledaily maximum≤ 5 ug/L (alert, not enforceable)all year001
Phenolics, total recoverabledaily maximum≤ .9 lb/d (alert, not enforceable)all year001
Phenolics, total recoverabledaily maximum≤ .25 lb/d (alert, not enforceable)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly average≤ 6 MGDall year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly averagereport only (ug/L)all year001
Chlorine, total residualdaily maximum≤ 30 ug/Lall year001
Chlorine, total residualmonthly averagereport only (lb/d)all year001
Solids, total dissolvedmonthly averagereport only (mg/L)all year001
Solids, total dissolveddaily maximum≤ 500 mg/Lall year001
Solids, total dissolveddaily maximum≤ 1000 mg/Lall year001
Solids, total dissolvedmonthly averagereport only (lb/d)all year001
Solids, total dissolveddaily maximum≤ 25000 lb/dall year001
Mercury, total [as Hg]daily maximum≤ 50 ng/Lall year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/LJun–Oct001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 250 lb/dJun–Oct001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 2000 lb/dJan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)Jun–Oct001
BOD, carbonaceous [5 day, 20 C]7-day averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec001
Solids, suspended percent removalminimum≥ 85 %all year001
Carbonaceous oxygen demand, % removalminimum≥ 85 %all year001
Temperature, water deg. fahrenheitinstantaneous maximum≤ 70 deg Fall year002
Oxygen demand, ultimatedaily maximum≤ 55 mg/LJan, Feb, Mar, Apr, May, Nov, Dec002
Oxygen demand, ultimatedaily maximum≤ 920 lb/dJan, Feb, Mar, Apr, May, Nov, Dec002
Oxygen, dissolved [DO]daily minimum≥ 7 mg/Lall year002
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendedmonthly averagereport only (mg/L)Jun–Oct002
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec002
Solids, total suspendeddaily maximum≤ 10 mg/LJun–Oct002
Solids, total suspended7-day average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec002
Solids, total suspendedmonthly averagereport only (lb/d)Jun–Oct002
Solids, total suspendedmonthly average≤ 500 lb/dJan, Feb, Mar, Apr, May, Nov, Dec002
Solids, total suspendeddaily maximum≤ 170 lb/dJun–Oct002
Solids, total suspended7-day average≤ 750 lb/dJan, Feb, Mar, Apr, May, Nov, Dec002
Solids, total suspendedmonthly averagereport only (mg/L)all year002
Solids, total suspendedmonthly averagereport only (lb/d)all year002
Solids, settleabledaily maximum≤ .1 mL/Lall year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year002
Phosphorus, total [as P]monthly averagereport only (mg/L)all year002
Phosphorus, total [as P]monthly averagereport only (lb/d)all year002
Copper, total [as Cu]daily maximum≤ 1 lb/dall year002
Zinc, total [as Zn]daily maximum≤ 8.4 lb/dall year002
Nitrogen, ammonia, total [as NH3]monthly average≤ 6.8 mg/LJan, Feb, Mar, Apr, May, Nov, Dec002
Nitrogen, ammonia, total [as NH3]monthly average≤ 1.1 mg/LJun–Oct002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly average≤ 2 MGDall year002
Chlorine, total residualdaily maximum≤ .1 mg/Lall year002
Coliform, fecal general30-day geometric mean≤ 200 #/100mLall year002
Coliform, fecal general7-day geometric mean≤ 400 #/100mLall year002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jun–Oct002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 5 mg/LJun–Oct002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jun–Oct002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec002
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 83 lb/dJun–Oct002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year002
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year002
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002
Carbonaceous oxygen demand, % removalmonthly average minimum≥ 85 %all year002

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/NY0027901 · MCP: https://passage-data.com/mcp