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Medford, City of

Sewage treatment plant, major discharger, Central Point, Oregon. NPDES permit OR0026263 expired Jul 31, 2026; 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 (37 values), form G monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 28 reports late

Limits in force (70)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 6300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 13000 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 6300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 9500 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
pHdaily minimum≥ 6 SU (alert, not enforceable)all year
pHdaily maximum≤ 9 SU (alert, not enforceable)all 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≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 10 mg/LJun–Oct
Solids, total suspendedmonthly average≤ 6300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 1700 lb/dJun–Oct
Solids, total suspendeddaily maximum≤ 13000 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximum≤ 3400 lb/dJun–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 10 mg/LJun–Oct
Solids, total suspendedmonthly average≤ 6300 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedmonthly average≤ 1700 lb/dJun–Oct
Solids, total suspendeddaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendeddaily maximumreport only (lb/d)Jun–Oct
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedweekly average≤ 15 mg/LJun–Oct
Solids, total suspendedweekly average≤ 9500 lb/dJan, Feb, Mar, Apr, May, Nov, Dec
Solids, total suspendedweekly average≤ 2600 lb/dJun–Oct
Nitrogen, ammonia total [as N]monthly average≤ 13 mg/LJun–Oct
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)Jan, Feb, Mar, Apr, May, Nov, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 25 mg/LJun–Oct
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)Jan, Feb, Mar, Apr, May, 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
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 average≤ 528 mkcal/dayApr, May
Excess thermal loadmaximum 7-day average≤ 762 mkcal/dayMay
Excess thermal loadmaximum 7-day average≤ 768 mkcal/dayJun
Excess thermal loadmaximum 7-day average≤ 659 mkcal/dayJun
Excess thermal loadmaximum 7-day average≤ 637 mkcal/dayJul, Aug
Excess thermal loadmaximum 7-day average≤ 657 mkcal/daySep
Excess thermal loadmaximum 7-day average≤ 523 mkcal/daySep
Excess thermal loadmaximum 7-day average≤ 523 mkcal/dayOct
Excess thermal loadmaximum 7-day average≤ 497 mkcal/dayOct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)Jun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1300 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 2600 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1300 lb/dJun–Oct
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)Jun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 13 mg/LJun–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 2000 lb/dJun–Oct
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %Jun–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, May, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Chlorine usagemonthly averagereport only (lb/d)all year
Chlorine usagedaily maximumreport only (lb/d)all year
pH range excursions, > 60 minutestotal≤ 0 occur/moall year
pH range excursions, monthly total accumtotal≤ 446 minall 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/OR0026263 · MCP: https://passage-data.com/mcp