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

Asc Sunstone Circuits LLC

Printed Circuit Boards, Mulino, Oregon. NPDES permit OR0031127, in force until May 31, 2030. Last 12 months: over a limit 10 times (last September 2026), 10 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (34 values), form G monthly (2 values), form RW quarterly (18 values), form TX quarterly
Last report on file
September 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 1 of 18 reports late

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

Period endingParameterReportedLimitOver by
January 2026Cyanide, total [as CN], daily maximum.0086 mg/L≤ .005 mg/L72%
January 2026Cyanide, total [as CN], monthly average< .00653 mg/L≤ .005 mg/L31%
April 2026Cyanide, total [as CN], daily maximum.0078 mg/L≤ .005 mg/L56%
April 2026Cyanide, total [as CN], monthly average< .00556 mg/L≤ .005 mg/L11%
May 2026Cyanide, total [as CN], daily maximum.0056 mg/L≤ .005 mg/L12%
May 2026Cyanide, total [as CN], monthly average< .00515 mg/L≤ .005 mg/L3%
August 2026Cyanide, total [as CN], daily maximum.011 mg/L≤ .005 mg/L120%
August 2026Cyanide, total [as CN], monthly average< .0065 mg/L≤ .005 mg/L30%
September 2026Cyanide, total [as CN], daily maximum.0058 mg/L≤ .005 mg/L16%
September 2026Cyanide, total [as CN], monthly average< .0052 mg/L≤ .005 mg/L4%

Limits in force (55)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 40 mg/Lall year
Solids, total suspendedmonthly average≤ 31 mg/Lall year
Solids, total suspendeddaily maximum≤ 60 mg/Lall year
Oil & Greasemonthly average≤ 26 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Nitrogen, ammonia total [as N]valuereport only (mg/L)all year
Cyanide, free [as free]valuereport only (mg/L)all year
Cyanide, total [as CN]monthly average≤ .005 mg/Lall year
Cyanide, total [as CN]daily maximum≤ .005 mg/Lall year
Cyanide, total [as CN]valuereport only (mg/L)all year
Cadmium, dissolved [as Cd]valuereport only (mg/L)all year
Cadmium, total [as Cd]valuereport only (mg/L)all year
Chromium, dissolved [as Cr]valuereport only (mg/L)all year
Chromium, total [as Cr]monthly average≤ .22 mg/Lall year
Chromium, total [as Cr]daily maximum≤ .46 mg/Lall year
Chromium, total [as Cr]valuereport only (mg/L)all year
Copper, dissolved [as Cu]valuereport only (mg/L)all year
Copper, total [as Cu]valuereport only (mg/L)all year
Lead, dissolved [as Pb]valuereport only (mg/L)all year
Lead, total [as Pb]valuereport only (mg/L)all year
Nickel, dissolved [as Ni]valuereport only (mg/L)all year
Nickel, total [as Ni]valuereport only (mg/L)all year
Nickel, total recoverablemonthly average≤ .5 mg/Lall year
Nickel, total recoverabledaily maximum≤ 1 mg/Lall year
Silver, dissolved [as Ag]valuereport only (mg/L)all year
Silver, total [as Ag]valuereport only (mg/L)all year
Silver total recoverablemonthly average≤ .005 mg/Lall year
Silver total recoverabledaily maximum≤ .011 mg/Lall year
Zinc, dissolved [as Zn]valuereport only (mg/L)all year
Zinc, total [as Zn]valuereport only (mg/L)all year
Zinc, total recoverablemonthly average≤ .62 mg/Lall year
Zinc, total recoverabledaily maximum≤ 1.24 mg/Lall year
Cadmium, total recoverablemonthly average≤ .023 mg/Lall year
Cadmium, total recoverabledaily maximum≤ .039 mg/Lall year
Lead, total recoverablemonthly average≤ .027 mg/Lall year
Lead, total recoverabledaily maximum≤ .055 mg/Lall year
Copper, total recoverablemonthly average≤ .13 mg/Lall year
Copper, total recoverabledaily maximum≤ .22 mg/Lall year
Tetrachloroethylenevaluereport only (mg/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Excess thermal loadmaximum 7-day average≤ 1.034 mkcal/dayMay–Oct
pH, maximumdaily maximum≤ 9 SU (alert, not enforceable)all year
pH, minimumdaily minimum≥ 6.5 SUall year
Total toxic organics [TTO] [40 CFR469]quarterly maximum≤ 2.13 mg/Lall year
pH range excursions, > 60 minutestotal≤ 0 occur/moall year
pH range excursions, monthly total accumtotal≤ 446 minall year
Report due [yrmoda]valuereport only (N=0;Y=1)all year

New limits from Aug 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, daily maximum0.041 mg/Ltighter0.06155 mg/L (12 values)1.5×
Copper, total recoverable, monthly average0.02 mg/Ltighter0.04335 mg/L (12 values)2.17×
Cadmium, total recoverable, daily maximum0.011 mg/Ltighter0.00025 mg/L (12 values, 12 below detection)—
Cadmium, total recoverable, monthly average0.005 mg/Ltighter0.00025 mg/L (12 values, 12 below detection)—

How strict are these limits?

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

Same industry: the 3 Electronic and Other Electrical Equipment permits in Oregon.

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/OR0031127 · MCP: https://passage-data.com/mcp