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Armstrong Cement & Supply Corp

Cement, Hydraulic, Cabot, Pennsylvania. NPDES permit PA0004995, in force until May 31, 2029. Last 12 months: no values over a limit, 21 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (10 values), outfall 001 form Q quarterly (2 values), outfall 004 form A monthly (6 values), outfall 004 form Q quarterly (2 values), outfall 005 form A monthly (1 value), outfall 010 form A monthly (2 values), and 4 more forms
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 77 reports late

Limits in force (30)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 4 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 8 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 24 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualmonthly average≤ .5 mg/Lall year001
Chlorine, total residualinstantaneous maximum≤ 1.6 mg/Lall year001
E. coliinstantaneous maximumreport only (#/100mL)all year001
Coliform, fecal generalgeometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal generalgeometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
pHinstantaneous minimum≥ 6 SUall year004
pHinstantaneous maximum≤ 9 SUall year004
Solids, total suspendedmonthly averagereport only (mg/L)all year004
Arsenic, total [as As]quarterly averagereport only (mg/L)all year004
Iron, total [as Fe]monthly average≤ 3.99 mg/Lall year004
Iron, total [as Fe]instantaneous maximum≤ 7.98 mg/Lall year004
Aluminum, total [as Al]quarterly averagereport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Solids, total suspendedmonthly averagereport only (mg/L)all year010
Iron, total [as Fe]quarterly averagereport only (mg/L)all year010
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year010
Solids, total suspendedmonthly averagereport only (mg/L)all year011
Aluminum, total [as Al]quarterly averagereport only (mg/L)all year011
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year011

How strict are these limits?

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

Same industry: the 80 Stone, Clay, Glass and Concrete Products permits in Pennsylvania.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0004995 · MCP: https://passage-data.com/mcp