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Jefferson, City of

Sewage treatment plant, Jefferson, Oregon. NPDES permit OR0020451 expired Sep 30, 2016; its limits still apply. Last 12 months: over a limit 4 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form A monthly (38 values), outfall 002 form A monthly (35 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

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

Period endingParameterReportedLimitOver by
December 2025BOD, 5-day, 20 deg. C, weekly average171.2 lb/d≤ 150 lb/d14%
December 2025Solids, total suspended, daily maximum395.3 lb/d≤ 200 lb/d98%
December 2025Solids, total suspended, monthly average127.7 lb/d≤ 100 lb/d28%
December 2025Solids, total suspended, weekly average395.3 lb/d≤ 150 lb/d164%

Limits in force (98)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Temperature, water deg. centigradehighest 7-day averagereport only (deg C)all year001
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 67 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cdaily maximum≤ 134 lb/dMay–Oct001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct001
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cweekly average≤ 100 lb/dMay–Oct001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
pHdaily minimumreport only (SU)all year001
pHdaily maximumreport only (SU)all year001
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct001
Solids, total suspendedmonthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 67 lb/dMay–Oct001
Solids, total suspendeddaily maximum≤ 200 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendeddaily maximum≤ 134 lb/dMay–Oct001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct001
Solids, total suspendedweekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedweekly average≤ 100 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)May–Oct001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May–Oct001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May–Oct001
Phosphorus, total [as P]monthly averagereport only (mg/L)May–Oct001
Ultraviolet light intensitymonthly averagereport only (mW/cm2)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Flow, in conduit or thru treatment planthighest 7-day averagereport only (MGD)Apr–Oct001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 406 #/100mLall year001
E. colimonthly geometric mean≤ 126 #/100mLall year001
E. colidaily maximumreport only (#/100mL)all year001
Excess thermal loadhighest 7-day average≤ 36 mkcal/dayApr001
Excess thermal loadhighest 7-day average≤ 11 mkcal/dayMay–Oct001
Excess thermal loadhighest 7-day average≤ 18 mkcal/dayMay, Oct001
Ultraviolet light dosagemonthly averagereport only (mW-sec/cm2)all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Temperature, water deg. centigrademonthly averagereport only (deg C)all year002
Temperature, water deg. centigradedaily maximumreport only (deg C)all year002
Temperature, water deg. centigradehighest 7-day averagereport only (deg C)all year002
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all year002
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/LMay–Oct002
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec002
BOD, 5-day, 20 deg. Cmonthly average≤ 67 lb/dMay–Oct002
BOD, 5-day, 20 deg. Cmonthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec002
BOD, 5-day, 20 deg. Cdaily maximum≤ 134 lb/dMay–Oct002
BOD, 5-day, 20 deg. Cdaily maximum≤ 200 lb/dJan, Feb, Mar, Apr, Nov, Dec002
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/LMay–Oct002
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec002
BOD, 5-day, 20 deg. Cweekly average≤ 100 lb/dMay–Oct002
BOD, 5-day, 20 deg. Cweekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec002
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct002
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec002
Solids, total suspendedmonthly average≤ 67 lb/dMay–Oct002
Solids, total suspendedmonthly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec002
Solids, total suspendeddaily maximum≤ 134 lb/dMay–Oct002
Solids, total suspendeddaily maximum≤ 200 lb/dJan, Feb, Mar, Apr, Nov, Dec002
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct002
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec002
Solids, total suspendedweekly average≤ 100 lb/dMay–Oct002
Solids, total suspendedweekly average≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec002
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)May–Oct002
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May–Oct002
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May–Oct002
Phosphorus, total [as P]monthly averagereport only (mg/L)May–Oct002
Ultraviolet light intensitymonthly averagereport only (mW/cm2)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Flow, in conduit or thru treatment planthighest 7-day averagereport only (MGD)Apr–Oct002
Chlorine, total residualmonthly average≤ 1 mg/Lall year002
Chlorine, total residualdaily maximum≤ 2.7 mg/Lall year002
E. colimonthly geometric mean≤ 126 #/100mLall year002
E. colidaily maximum≤ 406 #/100mLall year002
E. colimonthly geometric mean≤ 126 #/100mLall year002
E. colidaily maximumreport only (#/100mL)all year002
Excess thermal loadhighest 7-day average≤ 18 mkcal/dayMay002
Excess thermal loadhighest 7-day average≤ 18 mkcal/dayOct002
Excess thermal loadhighest 7-day average≤ 36 mkcal/dayApr002
Excess thermal loadhighest 7-day average≤ 11 mkcal/dayJun–Sep002
Ultraviolet light dosagemonthly averagereport only (mW-sec/cm2)all year002
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year002
Solids, suspended percent removalmonthly average minimum≥ 85 %all year002
Chlorine usagemonthly averagereport only (mg/L)all year002

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/OR0020451 · MCP: https://passage-data.com/mcp