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Nyco Minerals LLC

Miscellaneous Nonmetallic Minerals, Lewis, New York. NPDES permit NY0296775, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form M monthly (10 values), form Q quarterly
Last report on file
August 2026

Limits in force (12)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 25 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Sulfite [as S]daily maximumreport only (mg/L)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Sulfide, totaldaily maximumreport only (mg/L)all year

How strict are these limits?

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

Same industry: the 21 Mining and Quarrying of Nonmetallic Minerals permits in New York.

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/NY0296775 · MCP: https://passage-data.com/mcp