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Big Boulder Corp

Sewerage Systems, Blakeslee, Pennsylvania. NPDES permit PA0061182, in force until Feb 29, 2028. Last 12 months: over a limit 12 times (last June 2026), 20 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (20 values), form Q quarterly (4 values), form Y yearly
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 1 of 17 reports late

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

Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], monthly average63.8 mg/L≤ 25 mg/L155%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average64.3 mg/L≤ 25 mg/L157%
December 2025Chlorine, total residual, instantaneous maximum3.1 mg/L≤ .7 mg/L343%
December 2025Chlorine, total residual, monthly average< .22 mg/L≤ .21 mg/L5%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average53.5 mg/L≤ 25 mg/L114%
January 2026pH, instantaneous maximum9.01 SU≤ 9 SU—
February 2026BOD, carbonaceous [5 day, 20 C], monthly average< 36.5 mg/L≤ 25 mg/L46%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average< 44.5 mg/L≤ 25 mg/L78%
March 2026Phosphorus, total [as P], monthly average< 1.066 mg/L≤ .5 mg/L113%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average< 46.3 mg/L≤ 25 mg/L85%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average< 38.6 mg/L≤ 25 mg/L54%
June 2026Phosphorus, total [as P], monthly average.66 mg/L≤ .5 mg/L32%

Limits in force (31)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 6 mg/Lall year
pHinstantaneous minimum≥ 6 SUall year
pHinstantaneous maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 56.3 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 9 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 16.9 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.6 lb/dMay–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year
Phosphorus, total [as P]monthly average≤ .94 lb/dall year
Copper, total [as Cu]quarterly averagereport only (mg/L)all year
Iron, total [as Fe]annual averagereport only (mg/L)all year
Manganese, total [as Mn]annual averagereport only (mg/L)all year
Zinc, total [as Zn]quarterly averagereport only (mg/L)all year
Aluminum, total [as Al]annual averagereport only (mg/L)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
Chlorine, total residualmonthly average≤ .21 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .7 mg/Lall year
E. coliinstantaneous maximumreport only (#/100mL)all year
Solids, total dissolvedquarterly average≤ 1000 mg/Lall year
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal generalinstantaneous maximum≤ 10000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 46.9 lb/dall year

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/PA0061182 · MCP: https://passage-data.com/mcp