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Ati Specialty Materials LLC-Ashcraft

Secondary Nonferrous Metals, major discharger, Monroe, North Carolina. NPDES permit NC0045993, in force until Sep 30, 2029. Last 12 months: over a limit 14 times (last March 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 31 days after each period: form M monthly (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
26 values over a limit, 29 required values missing, 6 of 12 reports late

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

All 14 values over a limit
Period endingParameterReportedLimitOver by
October 2025Chromium, total [as Cr], 30-day average.0665 lb/d≤ .04 lb/d66%
October 2025Chromium, total [as Cr], daily maximum.12 lb/d≤ .09 lb/d33%
October 2025Copper, total [as Cu], 30-day average26.5 ug/L≤ 15.38 ug/L72%
October 2025Copper, total [as Cu], daily maximum34 ug/L≤ 18.96 ug/L79%
October 2025Nickel, total [as Ni], 30-day average.189 lb/d≤ .09 lb/d110%
October 2025Nickel, total [as Ni], daily maximum.343 lb/d≤ .13 lb/d164%
December 2025Copper, total [as Cu], 30-day average20 ug/L≤ 15.38 ug/L30%
December 2025Copper, total [as Cu], daily maximum22 ug/L≤ 18.96 ug/L16%
January 2026Copper, total [as Cu], 30-day average18.5 ug/L≤ 15.38 ug/L20%
January 2026Copper, total [as Cu], daily maximum20 ug/L≤ 18.96 ug/L5%
February 2026Copper, total [as Cu], 30-day average23 ug/L≤ 15.38 ug/L50%
February 2026Copper, total [as Cu], daily maximum27 ug/L≤ 18.96 ug/L42%
March 2026Copper, total [as Cu], 30-day average16.5 ug/L≤ 15.38 ug/L7%
March 2026Copper, total [as Cu], daily maximum19 ug/L≤ 18.96 ug/L0%

Limits in force (31)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Conductivitydaily maximumreport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
Conductivitydaily maximumreport only (umho/cm)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendeddaily maximum≤ 45 mg/Lall year
Oil & Grease30-day average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LApr–Oct
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/LApr–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 20 mg/LJan, Feb, Mar, Nov, Dec
Cyanide, total [as CN]30-day average≤ .171 lb/dall year
Cyanide, total [as CN]daily maximum≤ .494 lb/dall year
Fluoride, total [as F]30-day average≤ 43.34 lb/dall year
Fluoride, total [as F]daily maximum≤ 98.77 lb/dall year
Chromium, total [as Cr]30-day average≤ .04 lb/dall year
Chromium, total [as Cr]daily maximum≤ .09 lb/dall year
Copper, total [as Cu]30-day average≤ 15.38 ug/Lall year
Copper, total [as Cu]daily maximum≤ 18.96 ug/Lall year
Lead, total [as Pb]30-day average≤ .29 lb/dall year
Lead, total [as Pb]daily maximum≤ .6 lb/dall year
Nickel, total [as Ni]30-day average≤ .09 lb/dall year
Nickel, total [as Ni]daily maximum≤ .13 lb/dall year
Zinc, total [as Zn]30-day average≤ .87 lb/dall year
Zinc, total [as Zn]daily maximum≤ 2.09 lb/dall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

How strict are these limits?

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

Same industry: the 4 Primary Metal Industries permits in North Carolina.

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Your permit document is the final word. As JSON: /api/v1/permits/NC0045993 · MCP: https://passage-data.com/mcp