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Thrower Joseph E

Sewerage Systems, Valencia, Pennsylvania. NPDES permit PA0102610, in force until Jun 30, 2031. Last 12 months: over a limit 23 times (last July 2026), 1 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (14 values), form Y yearly
Last report on file
July 2026
Oct 2024 – Sep 2025
20 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 23 values over a limit
Period endingParameterReportedLimitOver by
October 2025Chlorine, total residual, monthly average.71 mg/L≤ .5 mg/L42%
October 2025Phosphorus, total [as P], monthly average11.16 mg/L≤ 2 mg/L458%
October 2025Solids, total suspended, monthly average14.5 mg/L≤ 10 mg/L45%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average24.34 mg/L≤ 10 mg/L143%
November 2025Chlorine, total residual, monthly average.7 mg/L≤ .5 mg/L40%
November 2025Phosphorus, total [as P], monthly average5.18 mg/L≤ 2 mg/L159%
December 2025Chlorine, total residual, monthly average.51 mg/L≤ .5 mg/L2%
December 2025Phosphorus, total [as P], monthly average3.39 mg/L≤ 2 mg/L70%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average24.95 mg/L≤ 10 mg/L150%
February 2026Chlorine, total residual, monthly average.51 mg/L≤ .5 mg/L2%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average14.51 mg/L≤ 10 mg/L45%
March 2026Chlorine, total residual, monthly average.51 mg/L≤ .5 mg/L2%
March 2026Phosphorus, total [as P], monthly average5.625 mg/L≤ 2 mg/L181%
March 2026Solids, total suspended, monthly average11 mg/L≤ 10 mg/L10%
April 2026Phosphorus, total [as P], monthly average5.8 mg/L≤ 2 mg/L190%
May 2026Phosphorus, total [as P], monthly average6.977 mg/L≤ 2 mg/L249%
June 2026Chlorine, total residual, monthly average.54 mg/L≤ .5 mg/L8%
June 2026Phosphorus, total [as P], monthly average11.05 mg/L≤ 2 mg/L453%
July 2026Chlorine, total residual, monthly average.56 mg/L≤ .5 mg/L12%
July 2026Coliform, fecal general, geometric mean1289.39 #/100mL≤ 200 #/100mL545%
July 2026Coliform, fecal general, instantaneous maximum2420 #/100mL≤ 1000 #/100mL142%
July 2026Nitrogen, ammonia total [as N], monthly average13.28 mg/L≤ 1 mg/L1228%
July 2026Solids, total suspended, monthly average29.5 mg/L≤ 10 mg/L195%

Limits in force (18)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/LMay–Oct
Phosphorus, total [as P]monthly average≤ 2 mg/Lall 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≤ .8 mg/Lall year
E. coliinstantaneous maximumreport only (#/100mL)all 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≤ 10 mg/Lall 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/PA0102610 · MCP: https://passage-data.com/mcp