Passage Data · Check a report · Use it from your AI

US Silica Co

Industrial or other facility, Mill Creek, Pennsylvania. NPDES permit PA0249190, in force until Apr 8, 2028. Last 12 months: no values over a limit, 42 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001A form A quarterly (14 values), outfall 002A form A quarterly (14 values)
Renewal application due
Oct 11, 2027 · 180 days before expiry; your permit may set another date
Last report on file
March 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 8 of 24 reports late

Limits in force (28)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year001A
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year001A
pHinstantaneous minimum≥ 6 SUall year001A
pHinstantaneous minimum≥ 6 SUall year001A
pHinstantaneous maximum≤ 9 SUall year001A
pHinstantaneous maximum≤ 9 SUall year001A
Solids, total suspendedmonthly average≤ 35 mg/Lall year001A
Solids, total suspendedmonthly average≤ 35 mg/Lall year001A
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001A
Solids, total suspendeddaily maximum≤ 70 mg/Lall year001A
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year001A
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year001A
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year001A
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year001A
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year002A
Temperature, water deg. centigradeinstantaneous maximumreport only (deg C)all year002A
pHinstantaneous minimum≥ 6 SUall year002A
pHinstantaneous minimum≥ 6 SUall year002A
pHinstantaneous maximum≤ 9 SUall year002A
pHinstantaneous maximum≤ 9 SUall year002A
Solids, total suspendedmonthly average≤ 35 mg/Lall year002A
Solids, total suspendedmonthly average≤ 35 mg/Lall year002A
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002A
Solids, total suspendeddaily maximum≤ 70 mg/Lall year002A
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002A
Solids, total suspendedinstantaneous maximum≤ 90 mg/Lall year002A
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year002A
Flow, in conduit or thru treatment plantinstantaneous maximumreport only (gal/min)all year002A

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

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

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/PA0249190 · MCP: https://passage-data.com/mcp