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Oregon Department of Corrections

Correctional Institutions, Salem, Oregon. NPDES permit OR0043770 expired Jun 30, 2018; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (5 values), form Q quarterly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 16 reports late

Limits in force (11)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 8.5 SUall year
Tetrachloroethylenevaluereport only (ug/L)all year
1,1,1-Trichloroethanevaluereport only (ug/L)all year
trans-1,2-Dichloroethylenevaluereport only (ug/L)all year
Vinyl chloridevaluereport only (ug/L)all year
Trichloroethylenevaluereport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantweekly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximum≤ 1.6 MGDall year
cis-1,2-Dichloroethenevaluereport only (ug/L)all year

How strict are these limits?

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

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/OR0043770 · MCP: https://passage-data.com/mcp