Passage Data · Check a report · Use it from your AI

Concord TWP Delaware Cnty

Sewage treatment plant, major discharger, Glen Mills, Pennsylvania. NPDES permit PA0055212, in force until Jun 30, 2028. Last 12 months: no values over a limit, 72 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (36 values), outfall 001 form Q quarterly (12 values), outfall 002 form Y yearly
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 17 reports late

Limits in force (67)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
Oxygen, dissolved [DO]monthly averagereport only (mg/L)all 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≤ 450 lb/dall year001
Solids, total suspendedweekly average≤ 675 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, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 30 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 90 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 1 mg/LApr–Oct001
Phosphorus, total [as P]monthly average≤ 2 mg/LJan, Feb, Mar, Nov, Dec001
Phosphorus, total [as P]monthly average≤ 15 lb/dApr–Oct001
Phosphorus, total [as P]monthly average≤ 30 lb/dJan, Feb, Mar, Nov, Dec001
Copper, total [as Cu]monthly average≤ .025 mg/Lall year001
Copper, total [as Cu]daily maximum≤ .038 mg/Lall year001
Copper, total [as Cu]monthly average≤ .375 lb/dall year001
Copper, total [as Cu]daily maximum≤ .57 lb/dall year001
Iron, dissolved [as Fe]quarterly averagereport only (mg/L)all year001
Iron, dissolved [as Fe]quarterly averagereport only (lb/d)all year001
Zinc, total [as Zn]quarterly averagereport only (mg/L)all year001
Zinc, total [as Zn]quarterly averagereport only (lb/d)all year001
Aluminum, total [as Al]quarterly averagereport only (mg/L)all year001
Aluminum, total [as Al]quarterly averagereport only (lb/d)all year001
Ultraviolet light intensitydaily minimumreport only (uW/cm2)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .11 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ .35 mg/Lall year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Toxicity [chronic], Ceriodaphnia dubiadaily maximumreport only (tox chronic)all year001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximumreport only (tox chronic)all year001
Solids, total dissolvedquarterly average≤ 1000 mg/Lall year001
Solids, total dissolvedquarterly average≤ 15012 lb/dall year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 200 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLMay–Sep001
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 300 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 375 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 450 lb/dMay–Oct001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 600 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
TU Static 7Day Chronic Ceriodaphnia dubiadaily maximumreport only (tox chronic)all year001
Static 7Day Chronic Pimephales Promelasdaily maximumreport only (tox chronic)all year001
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year002
Coliform, fecal generaldaily maximumreport only (#/100mL)all year002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year002

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0055212 · MCP: https://passage-data.com/mcp