NPDES permit OR0027634 · Minor NON-POTW · effective, expires 2028-10-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-07-31. Most often over: Excess thermal load (3).
Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| 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 | MO MAX | 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 | <= 20 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 25 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 17 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 50 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 34 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 30 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 25 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | BOD, 5-day, 20 deg. C | MX WK AV | <= 38 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 | 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 | Alkalinity, total [as CaCO3] | QB | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 20 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 25 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 17 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | DAILY MX | <= 50 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | <= 34 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MX WK AV | <= 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MX WK AV | <= 30 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MX WK AV | <= 38 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Solids, total suspended | MX WK AV | <= 25 lb/d | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 17 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 56 mg/L | all year |
| 001 | Nitrogen, ammonia total [as N] | MO MAX | 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 | <= 1.4 mkcal/day | all year |
| 001 | BOD, 5-day, 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