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Laurel Mountain Midstream LLC

Pipelines, Mclellandtown, Pennsylvania. NPDES permit PA0256099, in force until May 31, 2027. Last 12 months: over a limit once (last May 2026), 3 of 30 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (26 values), outfall 002 form A monthly (26 values), outfall 003 form A monthly (26 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
July 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

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

Period endingParameterReportedLimitOver by
May 2026Flow, in conduit or thru treatment plant, daily maximum236.559 gal/min≤ 4.632 gal/min5007%

Limits in force (78)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year001
Oil & Greasemonthly average≤ 15 mg/Lall year001
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year001
Cadmium, total [as Cd]monthly average≤ .69 ug/Lall year001
Cadmium, total [as Cd]daily maximum≤ 1.07 ug/Lall year001
Copper, total [as Cu]monthly averagereport only (ug/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]instantaneous maximum≤ 7 mg/Lall year001
Silver, total [as Ag]monthly averagereport only (ug/L)all year001
Silver, total [as Ag]daily maximumreport only (ug/L)all year001
Aluminum, total [as Al]monthly averagereport only (ug/L)all year001
Aluminum, total [as Al]daily maximumreport only (ug/L)all year001
Selenium, total [as Se]monthly average≤ 6.34 ug/Lall year001
Selenium, total [as Se]daily maximum≤ 9.89 ug/Lall year001
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year001
Flow, in conduit or thru treatment plantdaily maximum≤ 4.632 gal/minall year001
Chlorine, total residualmonthly averagereport only (mg/L)all year001
Chlorine, total residualinstantaneous maximum≤ .05 mg/Lall year001
Flow, totalmonthly totalreport only (Mgal)all year001
Duration of dischargemonthly averagereport only (hr)all year001
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year002
pHinstantaneous minimum≥ 6 SUall year002
pHinstantaneous maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 30 mg/Lall year002
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year002
Oil & Greasemonthly average≤ 15 mg/Lall year002
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year002
Cadmium, total [as Cd]monthly average≤ .65 ug/Lall year002
Cadmium, total [as Cd]daily maximum≤ 1.01 ug/Lall year002
Copper, total [as Cu]monthly averagereport only (ug/L)all year002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year002
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year002
Iron, dissolved [as Fe]instantaneous maximum≤ 7 mg/Lall year002
Silver, total [as Ag]monthly averagereport only (ug/L)all year002
Silver, total [as Ag]daily maximumreport only (ug/L)all year002
Aluminum, total [as Al]monthly averagereport only (ug/L)all year002
Aluminum, total [as Al]daily maximumreport only (ug/L)all year002
Selenium, total [as Se]monthly average≤ 5.69 ug/Lall year002
Selenium, total [as Se]daily maximum≤ 8.88 ug/Lall year002
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year002
Flow, in conduit or thru treatment plantdaily maximum≤ 16.43 gal/minall year002
Chlorine, total residualmonthly averagereport only (mg/L)all year002
Chlorine, total residualinstantaneous maximum≤ .05 mg/Lall year002
Flow, totalmonthly totalreport only (Mgal)all year002
Duration of dischargemonthly averagereport only (hr)all year002
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year003
pHinstantaneous minimum≥ 6 SUall year003
pHinstantaneous maximum≤ 9 SUall year003
Solids, total suspendedmonthly average≤ 30 mg/Lall year003
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year003
Oil & Greasemonthly average≤ 15 mg/Lall year003
Oil & Greaseinstantaneous maximum≤ 30 mg/Lall year003
Cadmium, total [as Cd]monthly average≤ .66 ug/Lall year003
Cadmium, total [as Cd]daily maximum≤ 1.03 ug/Lall year003
Copper, total [as Cu]monthly averagereport only (ug/L)all year003
Copper, total [as Cu]daily maximumreport only (ug/L)all year003
Iron, dissolved [as Fe]monthly averagereport only (mg/L)all year003
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year003
Iron, dissolved [as Fe]instantaneous maximum≤ 7 mg/Lall year003
Silver, total [as Ag]monthly averagereport only (ug/L)all year003
Silver, total [as Ag]daily maximumreport only (ug/L)all year003
Aluminum, total [as Al]monthly averagereport only (ug/L)all year003
Aluminum, total [as Al]daily maximumreport only (ug/L)all year003
Selenium, total [as Se]monthly average≤ 5.92 ug/Lall year003
Selenium, total [as Se]daily maximum≤ 9.24 ug/Lall year003
Flow, in conduit or thru treatment plantmonthly averagereport only (gal/min)all year003
Flow, in conduit or thru treatment plantdaily maximum≤ 5.633 gal/minall year003
Chlorine, total residualmonthly averagereport only (mg/L)all year003
Chlorine, total residualinstantaneous maximum≤ .05 mg/Lall year003
Flow, totalmonthly totalreport only (Mgal)all year003
Duration of dischargemonthly averagereport only (hr)all year003

How strict are these limits?

Cited limits by parameter: Pennsylvania's rules and the federal ones.

Same industry: the 6 Pipelines, Except Natural Gas permits in Pennsylvania.

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Your permit document is the final word. As JSON: /api/v1/permits/PA0256099 · MCP: https://passage-data.com/mcp