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Green LN Marlborough JT Auth Montgomery Cnty

Sewerage Systems, Green Lane, Pennsylvania. NPDES permit PA0057673, in force until Dec 31, 2030. Last 12 months: over a limit 3 times (last May 2026), 19 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (19 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
April 2026Phosphorus, total [as P], monthly average.7 mg/L≤ .5 mg/L40%
May 2026Phosphorus, total [as P], monthly average.2≤ .07 lb/d186%
May 2026Phosphorus, total [as P], monthly average2.9 mg/L≤ .5 mg/L480%

Limits in force (23)

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≤ 4.1 lb/dall year
Nitrogen, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 4.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .6 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ .2 lb/dMay–Oct
Phosphorus, total [as P]monthly average≤ .5 mg/Lall year
Phosphorus, total [as P]monthly average≤ .07 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/d)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (gal/d)all year
Chlorine, total residualmonthly average≤ .02 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .08 mg/Lall year
Coliform, fecal generalgeometric mean≤ 200 #/100mLall year
Coliform, fecal generalinstantaneous maximum≤ 1000 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 2 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 3.4 lb/dJan, Feb, Mar, Apr, Nov, Dec

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/PA0057673 · MCP: https://passage-data.com/mcp