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EnPro Holdings, Inc. - Remedial System/Central Moloney

Refuse Systems, Pine Bluff, Arkansas. NPDES permit AR0051110, in force until Feb 29, 2028. Last 12 months: over a limit once (last July 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (29 values)
Renewal application due
Sep 2, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimit
July 2026pH, minimum5.95 SU≥ 6 SU

Limits in force (29)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
Oxygen demand, chem. [low level] [COD]monthly average≤ 50 mg/Lall year
Oxygen demand, chem. [low level] [COD]daily maximum≤ 75 mg/Lall year
Oxygen demand, chem. [low level] [COD]monthly average≤ 72.1 lb/dall year
Oxygen demand, chem. [low level] [COD]daily maximum≤ 108.1 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Tetrachloroethylenemonthly average≤ 1 ug/Lall year
Tetrachloroethylenedaily maximum≤ 1.5 ug/Lall year
Tetrachloroethylenemonthly average≤ .0014 lb/dall year
Tetrachloroethylenedaily maximum≤ .0022 lb/dall year
1,1-Dichloroethylenemonthly average≤ 1 ug/Lall year
1,1-Dichloroethylenedaily maximum≤ 1.5 ug/Lall year
1,1-Dichloroethylenemonthly average≤ .0014 lb/dall year
1,1-Dichloroethylenedaily maximum≤ .0022 lb/dall year
Vinyl chloridemonthly average≤ 1 ug/Lall year
Vinyl chloridedaily maximum≤ 1.5 ug/Lall year
Vinyl chloridemonthly average≤ .0014 lb/dall year
Vinyl chloridedaily maximum≤ .0022 lb/dall year
Trichloroethylenemonthly average≤ 1 ug/Lall year
Trichloroethylenedaily maximum≤ 1.5 ug/Lall year
Trichloroethylenemonthly average≤ .0014 lb/dall year
Trichloroethylenedaily maximum≤ .0022 lb/dall 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
trans-1,2-Dichloroethylenemonthly average≤ 1 ug/Lall year
trans-1,2-Dichloroethylenedaily maximum≤ 1.5 ug/Lall year
trans-1,2-Dichloroethylenemonthly average≤ .0014 lb/dall year
trans-1,2-Dichloroethylenedaily maximum≤ .0022 lb/dall year

How strict are these limits?

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

Same industry: the 5 Refuse Systems permits in Arkansas.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0051110 · MCP: https://passage-data.com/mcp