NPDES permit OR0027791 · Minor POTW · effective, expires 2031-04-30 · EPA's file as of 2026-09-19
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Last period with anything received: 2026-07-31.
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 | pH | DAILY MN | >= 6.4 SU | all year |
| 001 | pH | DAILY MX | <= 8.5 SU | all year |
| 001 | pH | MO MIN | report only | all year |
| 001 | pH | MO MAX | report only | all year |
| 001 | Alkalinity, total [as CaCO3] | QB | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 10 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 63 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 21 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | DAILY MX | <= 130 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | <= 42 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | report only | Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | report only | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 45 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 15 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | WKLY AVG | <= 94 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | Solids, total suspended | WKLY AVG | <= 31 lb/d | Jun, Jul, Aug, Sep, Oct |
| 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 | <= 2.9 mkcal/day | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 25 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 10 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 52 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 21 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 100 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 42 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 15 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 40 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 31 lb/d | Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, carbonaceous [5 day, 20 C] | WKLY AVG | <= 83 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| 001 | BOD, carb-5 day, 20 deg C, percent removal | MO AV MN | >= 85 % | all year |
| 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