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Unity TWP Muni Auth Westmoreland Cnty

Sewage treatment plant, Greensburg, Pennsylvania. NPDES permit PA0092274, in force until Aug 31, 2028. Last 12 months: over a limit 8 times (last December 2025), 35 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (35 values), form Q quarterly, form Y yearly
Renewal application due
Mar 4, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025Copper, total [as Cu], daily maximum.13≤ .11 lb/d18%
October 2025Copper, total [as Cu], daily maximum20.6 ug/L≤ 14 ug/L47%
October 2025Copper, total [as Cu], monthly average.077≤ .074 lb/d4%
October 2025Copper, total [as Cu], monthly average19.025 ug/L≤ 9.36 ug/L103%
October 2025Zinc, total [as Zn], daily maximum135 ug/L≤ 120 ug/L12%
November 2025Copper, total [as Cu], daily maximum21 ug/L≤ 14 ug/L50%
November 2025Copper, total [as Cu], monthly average15.55 ug/L≤ 9.36 ug/L66%
December 2025Copper, total [as Cu], monthly average11.43 ug/L≤ 9.36 ug/L22%

Limits in force (48)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly averagereport 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
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 237.65 lb/dall year
Solids, total suspendedweekly average≤ 356.5 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Nitrogen, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.8 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 15 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 22.1 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ 3 mg/Lall year
Phosphorus, total [as P]daily maximum≤ 6 mg/Lall year
Phosphorus, total [as P]monthly average≤ 23 lb/dall year
Copper, total [as Cu]monthly averagereport only (ug/L)all year
Copper, total [as Cu]daily maximumreport only (ug/L)all year
Copper, total [as Cu]monthly averagereport only (lb/d)all year
Iron, total [as Fe]daily maximumreport only (ug/L)all year
Manganese, total [as Mn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]monthly averagereport only (ug/L)all year
Zinc, total [as Zn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]monthly averagereport only (lb/d)all year
Aluminum, total [as Al]daily maximumreport only (ug/L)all year
Ultraviolet light intensitydaily minimumreport only (mW/cm2)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coliinstantaneous maximumreport only (#/100mL)all year
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.9 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 9.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10.4 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 14.2 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 54.65 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 75.25 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 82.4 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 112.5 lb/dJan, Feb, Mar, Apr, Nov, Dec

How strict are these limits?

Cited limits by parameter: Pennsylvania'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/PA0092274 · MCP: https://passage-data.com/mcp