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Lebanon, City of

Sewage treatment plant, major discharger, Lebanon, Oregon. NPDES permit OR0020818, in force until Oct 31, 2030. Last 12 months: no values over a limit, 1 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 (6 values), form T monthly (2 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 9 required values missing, 3 of 13 reports late

Limits in force (62)

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
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport only (SU)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 250 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 1800 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 500 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 3600 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 250 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 1800 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximumreport only (lb/d)May–Oct
Solids, total suspendeddaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct
Solids, total suspendedweekly average≤ 2700 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 380 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ .94 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 1.89 mg/Lall 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
Chlorine, total residualmonthly average≤ .05 mg/Lall year
Chlorine, total residualdaily maximum≤ .05 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 406 #/100mLall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximumreport only (#/100mL)all year
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)Apr, May
Excess thermal loadmaximum 7-day average≤ 77 mkcal/dayApr, May
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)May–Oct
Excess thermal loadmaximum 7-day average≤ 63 mkcal/dayMay–Oct
Excess thermal loadmaximum 7-day averagereport only (mkcal/day)Oct, Nov
Excess thermal loadmaximum 7-day average≤ 145 mkcal/dayOct, Nov
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 250 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1500 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 500 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 3000 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 250 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1500 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)May–Oct
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 380 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2300 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Chlorine usagemonthly averagereport only (lb/d)all year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0020818 · MCP: https://passage-data.com/mcp