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TA Operating LLC - Petro Stopping Centers, LP #326

Gasoline Service Stations, North Little Rock, Arkansas. NPDES permit AR0052019, in force until Nov 30, 2027. Last 12 months: over a limit once (last April 2026), 2 required values missing, 3 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form A monthly (11 values)
Renewal application due: Jun 3, 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 ending	Parameter	Reported	Limit	Over by
April 2026	Solids, total suspended, monthly average	38 mg/L	≤ 35 mg/L	9%

Limits in force (12)

Parameter	Statistic	Limit	Months
Oxygen, dissolved [DO]	instantaneous minimum	≥ 2 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]	instantaneous minimum	≥ 5 mg/L	May–Oct
Oxygen demand, chem. [low level] [COD]	monthly average	≤ 50 mg/L	all year
Oxygen demand, chem. [low level] [COD]	daily maximum	≤ 75 mg/L	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 35 mg/L	all year
Solids, total suspended	daily maximum	≤ 52.5 mg/L	all year
Oil & Grease	monthly average	≤ 10 mg/L	all year
Oil & Grease	daily maximum	≤ 15 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year

How strict are these limits?

Oxygen, dissolved [DO], instantaneous minimum at least 5 mg/L — stricter than 51% of 252 other minor industrial and other permits in Arkansas; 32% have the same limit
Oxygen demand, chem. [low level] [COD], daily maximum 75 mg/L — stricter than 13% of 84 other minor industrial and other permits in Arkansas; 86% have the same limit
Oxygen demand, chem. [low level] [COD], monthly average 50 mg/L — stricter than 11% of 78 other minor industrial and other permits in Arkansas; 88% have the same limit

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

Same industry: the 13 Automotive Dealers and Gasoline Service Stations 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/AR0052019 · MCP: https://passage-data.com/mcp