Heidelberg Materials Northeast LLC — NPDES permit PA0043901: limits, due date and EPA's record

Industrial or other facility, Newtown, Pennsylvania. NPDES permit PA0043901, in force until Mar 2, 2028. Last 12 months: no values over a limit, 216 required values missing. Source: EPA ECHO, Oct 22, 2026.

Limits in force (148)

Parameter	Statistic	Limit	Months	Outfall
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
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
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	001
Solids, total suspended	monthly average	≤ 35 mg/L	all year	001
Solids, total suspended	monthly average	≤ 35 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 90 mg/L	all year	001
Solids, total suspended	instantaneous maximum	≤ 90 mg/L	all year	001
Solids, settleable	instantaneous maximum	≤ .5 mL/L	all year	001
Solids, settleable	instantaneous maximum	≤ .5 mL/L	all year	001
Oil & Grease	instantaneous maximum	report only (mg/L)	all year	001
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	001
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	001
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	001
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	001
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	001
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	001
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	001
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	001
pH	instantaneous minimum	≥ 6 SU	all year	002A
pH	instantaneous minimum	≥ 6 SU	all year	002A
pH	instantaneous maximum	≤ 9 SU	all year	002A
pH	instantaneous maximum	≤ 9 SU	all year	002A
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002A
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002A
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002A
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002A
Solids, total suspended	monthly average	≤ 25 mg/L	all year	002A
Solids, total suspended	monthly average	≤ 25 mg/L	all year	002A
Solids, total suspended	daily maximum	≤ 50 mg/L	all year	002A
Solids, total suspended	daily maximum	≤ 50 mg/L	all year	002A
Solids, total suspended	instantaneous maximum	≤ 62.5 mg/L	all year	002A
Solids, total suspended	instantaneous maximum	≤ 62.5 mg/L	all year	002A
Solids, total suspended	monthly average	≤ 3167 lb/mo	all year	002A
Solids, total suspended	monthly average	≤ 3167 lb/mo	all year	002A
Oil & Grease	instantaneous maximum	report only (mg/L)	all year	002A
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002A
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002A
Flow, in conduit or thru treatment plant	monthly average	≤ 1.935 MGD	all year	002A
Flow, in conduit or thru treatment plant	monthly average	≤ 1.935 MGD	all year	002A
Flow, in conduit or thru treatment plant	daily maximum	≤ 17.926 MGD	all year	002A
Flow, in conduit or thru treatment plant	daily maximum	≤ 17.926 MGD	all year	002A
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002A
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002A
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002A
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002A
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
pH	instantaneous maximum	≤ 9 SU	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	002B
Solids, total suspended	monthly average	≤ 35 mg/L	all year	002B
Solids, total suspended	monthly average	≤ 35 mg/L	all year	002B
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002B
Solids, total suspended	daily maximum	≤ 70 mg/L	all year	002B
Solids, total suspended	instantaneous maximum	≤ 90 mg/L	all year	002B
Solids, total suspended	instantaneous maximum	≤ 90 mg/L	all year	002B
Solids, settleable	instantaneous maximum	≤ .5 mL/L	all year	002B
Solids, settleable	instantaneous maximum	≤ .5 mL/L	all year	002B
Oil & Grease	instantaneous maximum	report only (mg/L)	all year	002B
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002B
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002B
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002B
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	002B
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002B
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002B
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002B
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	002B
pH	instantaneous minimum	≥ 6 SU	all year	005
pH	instantaneous minimum	≥ 6 SU	all year	005
pH	instantaneous maximum	≤ 9 SU	all year	005
pH	instantaneous maximum	≤ 9 SU	all year	005
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	005
Alkalinity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	005
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	005
Acidity, total [as CaCO3]	instantaneous maximum	report only (mg/L)	all year	005
Solids, total suspended	monthly average	≤ 25 mg/L	all year	005
Solids, total suspended	monthly average	≤ 25 mg/L	all year	005
Solids, total suspended	daily maximum	≤ 50 mg/L	all year	005
Solids, total suspended	daily maximum	≤ 50 mg/L	all year	005
Solids, total suspended	instantaneous maximum	≤ 62.5 mg/L	all year	005
Solids, total suspended	instantaneous maximum	≤ 62.5 mg/L	all year	005
Solids, total suspended	monthly average	≤ 3167 lb/mo	all year	005
Solids, total suspended	monthly average	≤ 3167 lb/mo	all year	005
Oil & Grease	instantaneous maximum	report only (mg/L)	all year	005
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	005
Sulfate, total [as SO4]	instantaneous maximum	report only (mg/L)	all year	005
Flow, in conduit or thru treatment plant	monthly average	≤ 1.935 MGD	all year	005
Flow, in conduit or thru treatment plant	monthly average	≤ 1.935 MGD	all year	005
Flow, in conduit or thru treatment plant	daily maximum	≤ 17.926 MGD	all year	005
Flow, in conduit or thru treatment plant	daily maximum	≤ 17.926 MGD	all year	005
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	005
Alkalinity - Acidity [as CaCO3]	instantaneous minimum	≥ 0 mg/L	all year	005
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	005
Solids, total dissolved	instantaneous maximum	report only (mg/L)	all year	005

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/PA0043901 · MCP: https://passage-data.com/mcp