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Hillcrest Camshaft Service, Inc.

Motor Vehicle Parts And Accessories, Little Rock, Arkansas. NPDES permit AR0050679, in force until Sep 30, 2027. Last 12 months: no values over a limit, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 25 days after each period: form A monthly (5 values)
Renewal application due: Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file: August 2026
Oct 2024 – Sep 2025: 0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (5)

Parameter	Statistic	Limit	Months
Temperature, water deg. fahrenheit	instantaneous maximum	≤ 86 deg F	all year
pH	minimum	≥ 6 SU	all year
pH	maximum	≤ 9 SU	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?

Temperature, water deg. fahrenheit, instantaneous maximum 86 deg F — stricter than 58% of 124 other minor industrial and other permits nationwide; 24% have the same limit

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0050679 · MCP: https://passage-data.com/mcp