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

Arch Cape Sanitary District

Sewage treatment plant, Arch Cape, Oregon. NPDES permit OR0027499, in force until Feb 28, 2027. 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 (1 value), form G monthly (2 values)
Renewal application due
Sep 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 35 reports late

Limits in force (37)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigradedaily maximumreport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
Temperature, water deg. centigrademonthly maximumreport only (deg C)Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 25 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 37.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHdaily maximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
pHmonthly minimumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec
pHmonthly maximumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec
pHmonthly minimumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec
pHmonthly maximumreport only (SU)Jan, Feb, Mar, Apr, Nov, Dec
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Alkalinity, total [as CaCO3]monthly maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 25 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 50 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 37.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 7.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 11 mg/LJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDMay–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. colimonthly geometric mean≤ 126 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximum≤ 406 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colimonthly geometric mean≤ 126 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximumreport only (#/100mL)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec

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

· 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/OR0027499 · MCP: https://passage-data.com/mcp