NPDES permit OR0028118 · Major POTW · effective, expires 2027-11-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileLast period with anything received: 2026-08-31.
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 | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Temperature, water deg. centigrade | DAILY MX | <= 25 deg C | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Temperature, water deg. centigrade | HA | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Flow rate | MO AVG | report only | all year |
| 001 | Flow rate | DAILY MX | report only | all year |
| 001 | Oxygen, dissolved [DO] | DLYAVMIN | >= 5.2 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Solids, total suspended | MO AVG | <= 5 mg/L | Jul, Aug, Sep |
| 001 | Solids, total suspended | MO AVG | <= 10 mg/L | Jan, Feb, Mar, Apr, Dec |
| 001 | Solids, total suspended | MO AVG | <= 6400 lb/d | Jul, Aug, Sep |
| 001 | Solids, total suspended | MO AVG | <= 11000 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | Solids, total suspended | DAILY MX | report only | Jul, Aug, Sep |
| 001 | Solids, total suspended | DAILY MX | report only | Jan, Feb, Mar, Apr, Dec |
| 001 | Solids, total suspended | MO AVG | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 10 mg/L | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 11000 lb/d | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 17000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 001 | Solids, total suspended | DAILY MX | report only | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | DAILY MX | <= 34000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 001 | Solids, total suspended | MX WK AV | <= 15 mg/L | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 17000 lb/d | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 26000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 001 | Solids, total suspended | MO AVG | <= 5 mg/L | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 6400 lb/d | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 2700 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | DAILY MX | report only | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | DAILY MX | <= 5400 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 8 mg/L | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 9600 lb/d | May, Jun, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 4000 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | MO AVG | <= 3000 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | DAILY MX | <= 6000 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 4500 lb/d | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 001 | Solids, total suspended | MX WK AV | <= 8 mg/L | Jul, Aug, Sep |
| 001 | Solids, total suspended | MX WK AV | <= 15 mg/L | Jan, Feb, Mar, Apr, Dec |
| 001 | Solids, total suspended | MX WK AV | <= 9600 lb/d | Jul, Aug, Sep |
| 001 | Solids, total suspended | MX WK AV | <= 17000 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 5.4 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 15 mg/L | Jun, Jul, Aug, Sep, Oct |
| 001 | Nitrogen, ammonia total [as N] | MO MAX | report only | all year |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 16.6 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 39.5 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 7.7 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 18.4 mg/L | May |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 23.3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 55.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 14.3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 34.2 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | MO AVG | <= 8.5 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | DAILY MX | <= 20.3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Nitrogen, ammonia total [as N] | 7C | report only | all year |
| 001 | Nitrogen, Kjeldahl, total [as N] | DAILY MX | report only | all year |
| 001 | Nitrite + Nitrate total [as N] | DAILY MX | report only | all year |
| 001 | Phosphorus, total [as P] | MO MED | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO MED | <= .11 mg/L | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Jan, Feb, Mar, Apr, Nov, Dec |
| 001 | Phosphorus, total [as P] | MO MAX | report only | all year |
| 001 | Phosphorus, total [as P] | MO MED | report only | Sep, Oct |
| 001 | Phosphorus, total [as P] | DAILY MX | report only | Sep, Oct |
| 001 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 001 | Flow, in conduit or thru treatment plant | MX DA AV | 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 | MX DA AV | report only | all year |
| 001 | Chlorine, total residual | MO AVG | <= .05 mg/L | all year |
| 001 | Chlorine, total residual | DAILY MX | <= .05 mg/L | 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 | HA | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Excess thermal load | DAILY MX | <= 20 mkcal/day | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Excess thermal load | HA | report only | May, Jun, Jul, Aug, Sep, Oct |
| 001 | Excess thermal load | DAILY MX | <= 36 mkcal/day | May, Jun, Jul, Aug, Sep, Oct |
| 001 | pH, maximum | DAILY MX | <= 9 SU (alert) | all year |
| 001 | pH, maximum | MO MAX | report only | all year |
| 001 | pH, minimum | DAILY MN | >= 6.2 SU (alert) | all year |
| 001 | pH, minimum | MO MIN | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 5 mg/L | Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 10 mg/L | Jan, Feb, Mar, Apr, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 950 lb/d | Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 3500 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 1900 lb/d | Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 7000 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | all year |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 10 mg/L | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 3500 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 7000 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 15 mg/L | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 5300 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 5 mg/L | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 950 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 1900 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 8 mg/L | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 1400 lb/d | May, Jun, Oct, Nov |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 8 mg/L | Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 15 mg/L | Jan, Feb, Mar, Apr, Dec |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 1400 lb/d | Jul, Aug, Sep |
| 001 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 5300 lb/d | Jan, Feb, Mar, Apr, Dec |
| 001 | BOD, carbonaceous, percent removal | MO AV MN | >= 85 % | all year |
| 001 | Solids, suspended percent removal | MO AV MN | >= 85 % | all year |
| 001 | pH range excursions, > 60 minutes | TOTAL | <= 0 occur/mo | all year |
| 001 | pH range excursions, monthly total accum | TOTAL | <= 446 min | all year |
| 003 | pH | DAILY MN | >= 6.2 SU | all year |
| 003 | pH | DAILY MX | <= 9 SU | all year |
| 003 | Solids, total suspended | MO AVG | <= 10 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, total suspended | MO AVG | <= 11000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, total suspended | DAILY MX | report only | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, total suspended | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Solids, total suspended | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Solids, total suspended | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Solids, total suspended | MX WK AV | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Solids, total suspended | MX WK AV | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Solids, total suspended | MX WK AV | <= 15 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, total suspended | MX WK AV | <= 17000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Duration | TOTAL | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | MX DA AV | report only | all year |
| 003 | Chlorine, total residual | MO AVG | <= .05 mg/L | all year |
| 003 | Chlorine, total residual | DAILY MX | <= .05 mg/L | all year |
| 003 | E. coli | MO GEO | <= 126 #/100mL | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | E. coli | DAILY MX | <= 406 #/100mL | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | E. coli | MO GEO | <= 126 #/100mL | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | E. coli | DAILY MX | report only | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | E. coli | MO GEO | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | E. coli | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 10 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | <= 3500 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | <= 7000 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | MO AVG | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | DAILY MX | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 15 mg/L | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | BOD, carbonaceous [5 day, 20 C] | MX WK AV | <= 5300 lb/d | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, suspended percent removal | MO AV MN | >= 85 % | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Solids, suspended percent removal | MO AV MN | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
| 003 | Carbonaceous oxygen demand, % removal | MO AV MN | >= 85 % | Jan, Feb, Mar, Apr, May, Jun, Oct, Nov, Dec |
| 003 | Carbonaceous oxygen demand, % removal | MO AV MN | report only | May, Jun, Jul, Aug, Sep, Oct, Nov |
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