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Pete Lien & Sons, Inc

Miscellaneous Nonmetallic Minerals, Rapid City, South Dakota. NPDES permit SD0000094 expired Jun 30, 2017; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A quarterly (15 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (15)

ParameterStatisticLimitMonths
Temperature, water deg. centigrade30-day averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximum≤ 26 deg Call year
Flow rate30-day averagereport only (MGD)all year
Flow ratedaily maximumreport only (MGD)all year
pHdaily minimum≥ 6.6 SUall year
pHdaily maximum≤ 8.6 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 53 mg/Lall year
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year
Nitrogen, nitrite total [as N]30-day averagereport only (mg/L)all year
Nitrogen, nitrite total [as N]daily maximumreport only (mg/L)all year
Floating solids, waste or visible foam-visualdaily maximum≤ 0 N=0;Y=1all year
Solids, total dissolved30-day averagereport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year

How strict are these limits?

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

Same industry: the 6 Mining and Quarrying of Nonmetallic Minerals permits in South Dakota.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0000094 · MCP: https://passage-data.com/mcp