CLEAN WATER SERVICES

NPDES permit OR0020168 · Major POTW · effective, expires 2027-11-30 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 62 forms filed late

Last period with anything received: 2026-08-31.

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 (215)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeDAILY MX <= 25 deg C May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeMX 7D AV report only May, Jun, Jul, Aug, Sep, Oct
001Temperature, water deg. centigradeMX 7D AV report only May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]MO MIN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]DLYAVMIN report only May, Jun, Jul, Aug, Sep, Oct
001pHDAILY MN >= 6.3 SU all year
001pHDAILY MN report only May, Jun, Jul, Aug, Sep, Oct
001pHDAILY MX <= 9 SU all year
001pHDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001pHMO MIN report only all year
001pHMO MAX report only all year
001Solids, total suspendedMO MED <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO MED <= 10 mg/L Jul, Aug, Sep
001Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG <= 1600 lb/d May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 1600 lb/d Jul, Aug, Sep
001Solids, total suspendedMO AVG <= 2000 lb/d Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX report only Jul, Aug, Sep
001Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedMO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Solids, total suspendedMO MED <= 10 mg/L May, Jun, Oct, Nov
001Solids, total suspended7C <= 20 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 1600 lb/d May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX report only May, Jun, Oct, Nov
001Solids, total suspendedMO AVG <= 20 mg/L May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG <= 45 mg/L May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG <= 2000 lb/d May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX report only May, Jun, Oct, Nov
001Solids, total suspended7C <= 20 mg/L May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG <= 2400 lb/d May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG <= 30 mg/L May, Jun, Oct, Nov
001Solids, total suspendedWKLY AVG <= 3000 lb/d May, Jun, Oct, Nov
001Solids, total suspended7C <= 20 mg/L Jul, Aug, Sep
001Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, Dec
001Solids, total suspendedWKLY AVG <= 2400 lb/d Jul, Aug, Sep
001Solids, total suspendedWKLY AVG <= 3000 lb/d Jan, Feb, Mar, Apr, Dec
001Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]7C report only Jan, Feb, Mar, Apr, Nov, Dec
001Nitrogen, ammonia total [as N]7C report only May, Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, ammonia total [as N]MO MAX report only all year
001Nitrogen, ammonia total [as N]7C report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
001Nitrite + Nitrate total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nitrite + Nitrate total [as N]DAILY MX report only all year
001Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO MED report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Phosphorus, total [as P]MO MED <= 81.6 lb/d May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]MO MAX report only all year
001Flow, in conduit or thru treatment plantMO AVG 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 plantMX DA AV report only all year
001Flow, in conduit or thru treatment plantDAILY MX 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 plantMX DA AV report only all year
001E. coliMO GEO <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001E. coliMO GEO <= 126 MPN/100mL all year
001E. coliDAILY MX report only all year
001Excess thermal loadDAILY MX <= 7 mkcal/day May, Jun, Jul, Aug, Sep, Oct
001Excess thermal loadMX 7D AV report only May, Jun, Jul, Aug, Sep, Oct
001Ultraviolet light dosageDAILY MN report only all year
001Ultraviolet light dosageMO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]MO MED <= 10 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO MED <= 10 mg/L Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 500 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 500 lb/d Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1000 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1000 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1000 lb/d Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2000 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO MED <= 10 mg/L May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]7C <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 500 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 1000 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 40 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1000 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only May, Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2000 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]7C <= 15 mg/L May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 750 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 25 mg/L May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1500 lb/d May, Jun, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]7C <= 15 mg/L Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 25 mg/L Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 750 lb/d Jul, Aug, Sep
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1500 lb/d Jan, Feb, Mar, Apr, Dec
001BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Carbonaceous oxygen demand, % removalMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
003Temperature, water deg. centigradeMO AVG report only May, Jun, Jul, Aug, Sep, Oct
003Temperature, water deg. centigradeDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
003Temperature, water deg. centigradeMX 7D AV report only May, Jun, Jul, Aug, Sep, Oct
003Oxygen, dissolved [DO]DLYAVMIN report only May, Jun, Jul, Aug, Sep, Oct
003pHDAILY MN >= 6.3 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, Dec
003Solids, total suspendedMO AVG <= 2000 lb/d Jan, Feb, Mar, Apr, Dec
003Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, Dec
003Solids, total suspendedMO AVG <= 20 mg/L May, Jun, Oct, Nov
003Solids, total suspendedMO AVG <= 2000 lb/d May, Jun, Oct, Nov
003Solids, total suspendedDAILY MX report only May, Jun, Oct, Nov
003Solids, total suspendedWKLY AVG <= 30 mg/L May, Jun, Oct, Nov
003Solids, total suspendedWKLY AVG <= 3000 lb/d May, Jun, Oct, Nov
003Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, Dec
003Solids, total suspendedWKLY AVG <= 3000 lb/d Jan, Feb, Mar, Apr, Dec
003Nitrogen, ammonia total [as N]MO AVG report only May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, ammonia total [as N]7C report only May, Jun, Jul, Aug, Sep, Oct, Nov
003Nitrogen, ammonia total [as N]7C report only Jan, Feb, Mar, Apr, Nov, Dec
003Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
003Nitrite + Nitrate total [as N]DAILY MX report only all year
003Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
003Phosphorus, total [as P]MO MED report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
003Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
003Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
003Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
003DurationTOTAL report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantMX DA AV report only all year
003E. coliGEO MEAN <= 126 #/100mL all year
003E. coliDAILY MX <= 406 #/100mL all year
003E. coliGEO MEAN <= 126 #/100mL all year
003E. coliDAILY MX report only all year
003Ultraviolet light dosageDAILY MN report only all year
003Ultraviolet light dosageMO AVG report only all year
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 1000 lb/d Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2000 lb/d Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 15 mg/L May, Jun, Oct, Nov
003BOD, carbonaceous [5 day, 20 C]MO AVG <= 1000 lb/d May, Jun, Oct, Nov
003BOD, carbonaceous [5 day, 20 C]DAILY MX <= 2000 lb/d May, Jun, Oct, Nov
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 25 mg/L May, Jun, Oct, Nov
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1500 lb/d May, Jun, Oct, Nov
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 25 mg/L Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1500 lb/d Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous, percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, Dec
003BOD, carbonaceous, percent removalMO AV MN >= 85 % May, Jun, Oct, Nov
003Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Mar, Apr, Dec
003Solids, suspended percent removalMO AV MN >= 85 % May, Jun, Oct, Nov
004Temperature, water deg. centigradeMO AVG report only May, Jun, Jul, Aug, Sep, Oct
004Temperature, water deg. centigradeDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
004Temperature, water deg. centigradeMX 7D AV report only May, Jun, Jul, Aug, Sep, Oct
004Oxygen, dissolved [DO]MO MIN report only May, Jun, Jul, Aug, Sep, Oct
004pHDAILY MN report only all year
004pHDAILY MX report only all year
004Solids, total suspendedMO AVG report only May, Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Solids, total suspendedMO AVG report only May, Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Solids, total suspendedDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedDAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Solids, total suspendedWKLY AVG report only all year
004Solids, total suspendedWKLY AVG report only all year
004Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 12.4 mg/L Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 31.6 mg/L Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]7C report only Jan, Feb, Mar, Apr, Nov, Dec
004Nitrogen, ammonia total [as N]7C report only Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]MO AVG report only May
004Nitrogen, ammonia total [as N]DAILY MX report only May
004Nitrogen, ammonia total [as N]7C report only May
004Nitrogen, ammonia total [as N]MO AVG <= 13.8 mg/L May
004Nitrogen, ammonia total [as N]DAILY MX <= 32.9 mg/L May
004Nitrogen, ammonia total [as N]7C report only May
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Nitrite + Nitrate total [as N]DAILY MX report only all year
004Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
004Phosphorus, total [as P]MO MED report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
004Phosphorus, total [as P]DAILY MX report only May, Jun, Jul, Aug, Sep
004Phosphorus, total [as P]DAILY MX report only Jan, Feb, Mar, Apr, Oct, Nov, Dec
004Phosphorus, total [as P]MO MED report only May, Jun, Jul, Aug, Sep
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantMX DA AV report only all year
004E. coliMO GEO <= 126 #/100mL all year
004E. coliDAILY MX <= 406 #/100mL all year
004E. coliMO GEO <= 126 #/100mL all year
004E. coliDAILY MX report only all year
004Ultraviolet light dosageDAILY MN report only all year
004Ultraviolet light dosageMO AVG report only all year
004BOD, carbonaceous [5 day, 20 C]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]MO AVG report only May, Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]DAILY MX report only Jan, Feb, Mar, Apr, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
004BOD, carbonaceous, percent removalMO AV MN report only all year
004Solids, suspended percent removalMO AV MN report only all year

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