NPDES permit OR0026140 · Major POTW · effective, expires 2027-03-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-08-31. Most often over: Solids, total suspended (1).
Reports are due about 15 days after each monitoring period ends (the most common figure among OR permits in EPA's filings — check your permit).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. centigrade | MO AVG | report only | all year |
| 001 | Temperature, water deg. centigrade | DAILY MX | report only | all year |
| 001 | Temperature, water deg. centigrade | MX 7D AV | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 2600 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 5200 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | WKLY AVG | <= 3900 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | pH | DAILY MN | >= 6 SU | all year |
| 001 | pH | DAILY MX | <= 9 SU | all year |
| 001 | pH | MO MIN | report only | all year |
| 001 | pH | MO MAX | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 10 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 490 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 2600 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | <= 980 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | DAILY MX | <= 5200 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 15 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | WKLY AVG | <= 3900 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 740 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO MAX | report only | all year |
| 001 | Duration | MO MAX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 001 | E. coli | MO GEO | <= 126 #/100mL | all year |
| 001 | E. coli | DAILY MX | <= 406 #/100mL | all year |
| 001 | E. coli | MO GEO | <= 126 #/100mL | all year |
| 001 | E. coli | DAILY MX | report only | all year |
| 001 | Excess thermal load | MX 7D AV | <= 47 mkcal/day | Jun, Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 10 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 490 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 980 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 15 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 740 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous, percent removal | MO AV MN | >= 85 % | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, percent removal | MO AV MN | >= 85 % | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, suspended percent removal | MO AV MN | >= 85 % | 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