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Pattison Sand Co., LLC

Industrial Sand, Garnavillo, Iowa. NPDES permit IA0080624, in force until Nov 30, 2029. Last 12 months: over a limit 6 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 008 form A monthly (4 values), outfall 009 form A monthly (4 values), outfall 010 form A monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 0 of 30 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingOutfallParameterReportedLimitOver by
October 2025009pH, daily minimum5≥ 6 SU—
November 2025008Solids, total suspended, 30-day average28≤ 25 mg/L12%
November 2025009pH, daily minimum5≥ 6 SU—
December 2025009pH, daily minimum5≥ 6 SU—
January 2026009pH, daily minimum5≥ 6 SU—
February 2026009pH, daily minimum5≥ 6 SU—

Limits in force (12)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year008
pHdaily maximum≤ 9 SUall year008
Solids, total suspended30-day average≤ 25 mg/Lall year008
Solids, total suspendeddaily maximum≤ 45 mg/Lall year008
pHdaily minimum≥ 6 SUall year009
pHdaily maximum≤ 9 SUall year009
Solids, total suspended30-day average≤ 25 mg/Lall year009
Solids, total suspendeddaily maximum≤ 45 mg/Lall year009
pHdaily minimum≥ 6 SUall year010
pHdaily maximum≤ 9 SUall year010
Solids, total suspended30-day average≤ 25 mg/Lall year010
Solids, total suspendeddaily maximum≤ 45 mg/Lall year010

How strict are these limits?

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

Same industry: the 4 Mining and Quarrying of Nonmetallic Minerals permits in Iowa.

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/IA0080624 · MCP: https://passage-data.com/mcp