PORTLAND, CITY OF

NPDES permit OR0026905 · Major POTW · administratively continued, expires 2025-04-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2025-04-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
1of 57 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (89)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeDAILY MX report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeMO MAX report only all year
001Temperature, water deg. centigradeMX 7D AV report only Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG report only all year
001pHDAILY MN >= 6 SU (alert) all year
001pHDAILY MX <= 9 SU (alert) all year
001pHMO MIN report only all year
001pHMO MAX report only all year
001pHMO MAX report only all year
001Alkalinity, total [as CaCO3]MO MAX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Solids, total suspendedWKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO MAX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO MAX report only May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .19 mg/L all year
001Chlorine, total residualDAILY MX <= .27 mg/L all year
001E. coliMO GEO <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001E. coliMO AVG <= 126 #/100mL all year
001E. coliDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, percent removalMO AV MN report only Jan, Feb, Mar, Apr, Nov, Dec
001Solids, suspended percent removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
001Solids, suspended percent removalMO AV MN report only Jan, Feb, Mar, Apr, Nov, Dec
001Chlorine usageMO AVG report only all year
001pH range excursions, > 60 minutesTOTAL <= 0 occur/mo all year
001pH range excursions, monthly total accumTOTAL <= 446 min all year
001Report due [yrmoda]VALUE report only all year
003Temperature, water deg. centigradeMO AVG report only all year
003Temperature, water deg. centigradeDAILY MX report only all year
003Temperature, water deg. centigradeMX 7D AV report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CMO AVG report only all year
003BOD, 5-day, 20 deg. CDAILY MX report only all year
003BOD, 5-day, 20 deg. CWKLY AVG report only all year
003BOD, 5-day, 20 deg. CWKLY AVG report only all year
003pHDAILY MN >= 6 SU (alert) all year
003pHDAILY MX <= 9 SU (alert) all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX report only all year
003Solids, total suspendedWKLY AVG report only all year
003Solids, total suspendedWKLY AVG report only all year
003Nitrogen, ammonia total [as N]MO MAX report only May, Jun, Jul, Aug, Sep, Oct
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residualMO AVG <= .05 mg/L all year
003Chlorine, total residualDAILY MX <= .27 mg/L all year
003E. coliMO GEO <= 126 #/100mL all year
003E. coliDAILY MX <= 406 #/100mL all year
003E. coliMO GEO <= 126 #/100mL all year
003E. coliDAILY MX report only all year
003BOD, 5-day, percent removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
003BOD, 5-day, percent removalMO AV MN report only Jan, Feb, Mar, Apr, Nov, Dec
003Solids, suspended percent removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
003Solids, suspended percent removalMO AV MN report only Jan, Feb, Mar, Apr, Nov, Dec
003Chlorine usageMO AVG report only all year
003pH range excursions, > 60 minutesTOTAL <= 0 occur/mo all year
003pH range excursions, monthly total accumTOTAL <= 446 min all year
FACBOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
FACBOD, 5-day, 20 deg. CMO AVG <= 45000 lb/d all year
FACBOD, 5-day, 20 deg. CDAILY MX <= 312700 lb/d all year
FACBOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
FACBOD, 5-day, 20 deg. CWKLY AVG <= 118800 lb/d all year
FACSolids, total suspendedMO AVG <= 30 mg/L all year
FACSolids, total suspendedMO AVG <= 45000 lb/d all year
FACSolids, total suspendedDAILY MX <= 312700 lb/d all year
FACSolids, total suspendedWKLY AVG <= 45 mg/L all year
FACSolids, total suspendedWKLY AVG <= 118800 lb/d all year
FACFlow, in conduit or thru treatment plantMO AVG report only all year
FACFlow, in conduit or thru treatment plantDAILY MX report only all year
FACBOD, 5-day, percent removalMO AV MN >= 85 % May, Jun, Jul, Aug, Sep, Oct
FACBOD, 5-day, percent removalMO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec
FACSolids, suspended percent removalMO AV MN >= 85 % May, Jun, Jul, Aug, Sep, Oct
FACSolids, suspended percent removalMO AV MN >= 65 % Jan, Feb, Mar, Apr, Nov, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states