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Flexsys Amer LP

Industrial Inorganic Chemicals, Monongahela, Pennsylvania. NPDES permit PA0022004, in force until Dec 31, 2029. Last 12 months: over a limit 2 times (last April 2026), 33 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 101 form A monthly (29 values), outfall 101 form Q quarterly (4 values), outfall 004 form S twice a year
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
March 2026Butyl benzyl phthalate, monthly average< .0007≤ .0006 lb/d17%
April 2026Butyl benzyl phthalate, monthly average< .0007≤ .0006 lb/d17%

Limits in force (43)

ParameterStatisticLimitMonthsOutfall
Oxygen demand, chem. [high level] [COD]daily maximumreport only (mg/L)all year004
pHdaily maximumreport only (SU)all year004
Solids, total suspendeddaily maximumreport only (mg/L)all year004
Nitrogen, total [as N]daily maximumreport only (mg/L)all year004
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year004
Phosphorus, total [as P]daily maximumreport only (mg/L)all year004
Iron, total [as Fe]daily maximumreport only (mg/L)all year004
Lead, total [as Pb]daily maximumreport only (mg/L)all year004
Zinc, total [as Zn]daily maximumreport only (mg/L)all year004
Aluminum, total [as Al]daily maximumreport only (mg/L)all year004
pHinstantaneous minimum≥ 6 SUall year101
pHinstantaneous maximum≤ 9 SUall year101
Solids, total suspendedmonthly average≤ 30 mg/Lall year101
Solids, total suspendedinstantaneous maximum≤ 60 mg/Lall year101
Solids, total suspendedmonthly average≤ 5.48 lb/dall year101
Solids, total suspendeddaily maximum≤ 11 lb/dall year101
Oil & Greaseinstantaneous maximum≤ 10 mg/Lall year101
Oil & Greasedaily maximum≤ 1.83 lb/dall year101
Zinc, total [as Zn]monthly averagereport only (mg/L)all year101
Zinc, total [as Zn]daily maximumreport only (mg/L)all year101
Zinc, total [as Zn]monthly averagereport only (lb/d)all year101
Zinc, total [as Zn]daily maximumreport only (lb/d)all year101
Butyl benzyl phthalatemonthly average≤ 3.55 ug/Lall year101
Butyl benzyl phthalatedaily maximum≤ 5.54 ug/Lall year101
Butyl benzyl phthalatemonthly average≤ .0006 lb/dall year101
Butyl benzyl phthalatedaily maximum≤ .001 lb/dall year101
1,2,4-Trichlorobenzenemonthly averagereport only (ug/L)all year101
1,2,4-Trichlorobenzenedaily maximumreport only (ug/L)all year101
1,2,4-Trichlorobenzenemonthly averagereport only (lb/d)all year101
1,2,4-Trichlorobenzenedaily maximumreport only (lb/d)all year101
Hexachlorobutadienemonthly averagereport only (ug/L)all year101
Hexachlorobutadienedaily maximumreport only (ug/L)all year101
Hexachlorobutadienemonthly averagereport only (lb/d)all year101
Hexachlorobutadienedaily maximumreport only (lb/d)all year101
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year101
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year101
Perfluorooctanoic acid (PFOA)instantaneous maximumreport only (ng/L)all year101
Perfluorooctanesulfonateinstantaneous maximumreport only (ng/L)all year101
Perfluorobutanesulfonic acid (PFBS)instantaneous maximumreport only (ng/L)all year101
Hexafluoropropylene oxide dimer acid (HFPO-DA)instantaneous maximumreport only (ng/L)all year101
Carbon disulfidemonthly average≤ 1 mg/Lall year101
Carbon disulfideinstantaneous maximum≤ 1 mg/Lall year101
Carbon disulfidedaily maximum≤ .0021 lb/dall year101

How strict are these limits?

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

Same industry: the 66 Chemicals and Allied Products permits in Pennsylvania.

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Your permit document is the final word. As JSON: /api/v1/permits/PA0022004 · MCP: https://passage-data.com/mcp