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

Keystone Apt LLC

Sewerage Systems, Trout Run, Pennsylvania. NPDES permit PA0113883 expired Jul 31, 2025; its limits still apply. Last 12 months: over a limit 19 times (last April 2026), 13 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (13 values)
Last report on file
June 2026
Oct 2024 – Sep 2025
12 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
October 2025Coliform, fecal general, geometric mean> 2420 #/100mL≤ 2000 #/100mL—
October 2025Coliform, fecal general, instantaneous maximum> 2420 #/100mL≤ 10000 #/100mL—
October 2025Solids, total suspended, monthly average31 mg/L≤ 30 mg/L3%
November 2025BOD, carbonaceous [5 day, 20 C], instantaneous maximum58 mg/L≤ 50 mg/L16%
November 2025BOD, carbonaceous [5 day, 20 C], monthly average37 mg/L≤ 25 mg/L48%
November 2025Coliform, fecal general, geometric mean> 1448 #/100mL≤ 2000 #/100mL—
November 2025Coliform, fecal general, instantaneous maximum> 2420 #/100mL≤ 10000 #/100mL—
November 2025Solids, total suspended, instantaneous maximum64 mg/L≤ 60 mg/L7%
November 2025Solids, total suspended, monthly average47 mg/L≤ 30 mg/L57%
December 2025Coliform, fecal general, geometric mean> 70 #/100mL≤ 2000 #/100mL—
December 2025Coliform, fecal general, instantaneous maximum> 2420 #/100mL≤ 10000 #/100mL—
January 2026BOD, carbonaceous [5 day, 20 C], monthly average29 mg/L≤ 25 mg/L16%
January 2026Coliform, fecal general, geometric mean> 49 #/100mL≤ 2000 #/100mL—
January 2026Coliform, fecal general, instantaneous maximum> 2420 #/100mL≤ 10000 #/100mL—
February 2026BOD, carbonaceous [5 day, 20 C], monthly average27 mg/L≤ 25 mg/L8%
February 2026Coliform, fecal general, geometric mean> 2420 #/100mL≤ 2000 #/100mL—
February 2026Coliform, fecal general, instantaneous maximum> 225 #/100mL≤ 10000 #/100mL—
April 2026Coliform, fecal general, geometric mean> 269 #/100mL≤ 2000 #/100mL—
April 2026Coliform, fecal general, instantaneous maximum> 2420 #/100mL≤ 10000 #/100mL—

Limits in force (15)

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 suspendedinstantaneous maximum≤ 60 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 residualdaily maximum≤ .02 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .02 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]instantaneous maximum≤ 50 mg/Lall 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

· 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/PA0113883 · MCP: https://passage-data.com/mcp