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Wilkinson Aggregates Inc

Construction Sand And Gravel, Waterford, Pennsylvania. NPDES permit PA0239828, in force until Feb 28, 2029. Last 12 months: no values over a limit, 28 required values missing, 7 of 10 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due: About 28 days after each period: form A monthly (4 values)
Last report on file: June 2026
Oct 2024 – Sep 2025: 0 values over a limit, 48 required values missing, 12 of 12 reports late

Limits in force (4)

Parameter	Statistic	Limit	Months
pH	instantaneous minimum	≥ 6 SU	all year
pH	instantaneous maximum	≤ 9 SU	all year
Solids, total suspended	monthly average	≤ 35 mg/L	all year
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year

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

Same industry: the 7 Mining and Quarrying of Nonmetallic Minerals permits in Pennsylvania.

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/PA0239828 · MCP: https://passage-data.com/mcp