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Bear Creek Watershed Auth

Sewage treatment plant, Petrolia, Pennsylvania. NPDES permit PA0094200, in force until Apr 30, 2028. Last 12 months: over a limit 10 times (last June 2026), 25 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (25 values), form Y yearly
Renewal application due
Nov 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
28 values over a limit, 0 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
October 2025Oxygen, dissolved [DO], daily minimum2.8 mg/L≥ 4 mg/L30%
November 2025Oxygen, dissolved [DO], daily minimum3.4 mg/L≥ 4 mg/L15%
December 2025Oxygen, dissolved [DO], daily minimum3.3 mg/L≥ 4 mg/L18%
February 2026Oxygen, dissolved [DO], daily minimum3.9 mg/L≥ 4 mg/L3%
March 2026Oxygen, dissolved [DO], daily minimum3.4 mg/L≥ 4 mg/L15%
March 2026pH, instantaneous minimum5.9 SU≥ 6 SU—
April 2026Oxygen, dissolved [DO], daily minimum2.1 mg/L≥ 4 mg/L48%
May 2026Oxygen, dissolved [DO], daily minimum1.9 mg/L≥ 4 mg/L53%
June 2026Oxygen, dissolved [DO], daily minimum2.3 mg/L≥ 4 mg/L43%
June 2026pH, instantaneous minimum5.7 SU≥ 6 SU—

Limits in force (30)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 4 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
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≤ 10.2 lb/dall year
Solids, total suspendedweekly average≤ 15.4 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 5.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 16 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.8 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 5.4 lb/dJan, Feb, Mar, Apr, Nov, Dec
Phosphorus, total [as P]monthly 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≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall 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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 13.7 lb/dall year

How strict are these limits?

Cited limits by parameter: Pennsylvania'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/PA0094200 · MCP: https://passage-data.com/mcp