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Cranberry TWP Butler Cnty

Sewage treatment plant, major discharger, Cranberry Twp, Pennsylvania. NPDES permit PA0024571, in force until Mar 31, 2029. Last 12 months: no values over a limit, 32 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (29 values), outfall 001 form Q quarterly (16 values), outfall 002 form A monthly (1 value), outfall 003 form A monthly (1 value), outfall 004 form A monthly (1 value)
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 52 reports late

Limits in force (52)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 2184 lb/dall year001
Solids, total suspendedweekly average≤ 3276 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 3.5 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 109.2 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 254.8 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 2 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 145 lb/dall year001
Chromium, hexavalent [as Cr]quarterly averagereport only (ug/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (ug/L)all year001
Chromium, hexavalent [as Cr]quarterly averagereport only (lb/d)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (lb/d)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Copper, total [as Cu]quarterly averagereport only (ug/L)all year001
Copper, total [as Cu]quarterly averagereport only (lb/d)all year001
Copper, total [as Cu]daily maximumreport only (lb/d)all year001
Iron, dissolved [as Fe]quarterly averagereport only (ug/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (ug/L)all year001
Iron, dissolved [as Fe]quarterly averagereport only (lb/d)all year001
Iron, dissolved [as Fe]daily maximumreport only (lb/d)all year001
Zinc, total [as Zn]quarterly averagereport only (ug/L)all year001
Zinc, total [as Zn]daily maximumreport only (ug/L)all year001
Zinc, total [as Zn]quarterly averagereport only (lb/d)all year001
Zinc, total [as Zn]daily maximumreport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year001
Chlorine, total residualmonthly average≤ .16 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .5 mg/Lall year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Cyanide, free availablemonthly averagereport only (ug/L)all year001
Cyanide, free availablemonthly averagereport only (lb/d)all year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep001
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 728 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1092 lb/dall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004

New limits from Mar 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Cyanide, free available, monthly average0.35 lb/dnew26 lb/d (9 values)74.3×
Chlorine, total residual, instantaneous maximum0.13 mg/Ltighter0.1 mg/L (9 values, 9 below detection)—
Chlorine, total residual, monthly average0.04 mg/Ltighter0.1 mg/L (9 values, 9 below detection)—
Cyanide, free available, monthly average4.8 ug/Lnew1 ug/L (9 values, 4 below detection)0.208×

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/PA0024571 · MCP: https://passage-data.com/mcp