Con Stone Inc — NPDES permit PA0256111: limits, due date and EPA's record

Industrial or other facility, Aaronsburg, Pennsylvania. NPDES permit PA0256111 expired Feb 4, 2026; its limits still apply. Last 12 months: no values over a limit, 48 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (48)

Parameter	Statistic	Limit	Months	Outfall
Turbidity	instantaneous maximum	report only (NTU)	all year	001
Turbidity	instantaneous maximum	report only (NTU)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
pH	instantaneous maximum	≤ 9 SU	all year	001
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	001
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	001
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	001
Turbidity	instantaneous maximum	report only (NTU)	all year	002
Turbidity	instantaneous maximum	report only (NTU)	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous minimum	≥ 6 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
pH	instantaneous maximum	≤ 9 SU	all year	002
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	002
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	002
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	002
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	002
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	002
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	002
Turbidity	instantaneous maximum	report only (NTU)	all year	003
Turbidity	instantaneous maximum	report only (NTU)	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous minimum	≥ 6 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
pH	instantaneous maximum	≤ 9 SU	all year	003
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	003
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	003
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	003
Solids, total suspended	instantaneous maximum	≤ 35 mg/L	all year	003
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	003
Flow, in conduit or thru treatment plant	instantaneous maximum	report only (gal/min)	all year	003

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/PA0256111 · MCP: https://passage-data.com/mcp