NPDES permit OR0000795 · Major NON-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 30 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 | MX 7D AV | report only | all year |
| 001 | Thermal Discharge | MO AVG | <= 5290 mkcal/day | Jun, Jul, Aug, Sep |
| 001 | Turbidity | DAILY MX | report only | all year |
| 001 | BOD, 5-day, 20 deg. C | MO AVG | <= 11000 lb/d | all year |
| 001 | BOD, 5-day, 20 deg. C | DAILY MX | <= 22000 lb/d | all year |
| 001 | Alkalinity, total [as CaCO3] | QB | report only | all year |
| 001 | Solids, total suspended | MO AVG | <= 18000 lb/d | all year |
| 001 | Solids, total suspended | DAILY MX | <= 35000 lb/d | all year |
| 001 | Nitrogen, ammonia total [as N] | MO MAX | report only | all year |
| 001 | Aluminum, total [as Al] | QB | 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 | Chlorine, total residual | QB | report only | all year |
| 001 | pH, maximum | DAILY MX | <= 9 SU (alert) | all year |
| 001 | pH, minimum | DAILY MN | >= 5.8 SU | all year |
| 001 | Adsorbable organic halides [AOX] | MO AVG | <= 800 lb/d | all year |
| 001 | Adsorbable organic halides [AOX] | DAILY MX | <= 1200 lb/d | all year |
| 001 | pH range excursions, > 60 minutes | TOTAL | report only | all year |
| 001 | pH range excursions, monthly total accum | TOTAL | report only | all year |
| 003 | pH | DAILY MN | >= 6 SU | all year |
| 003 | pH | DAILY MX | <= 9 SU | all year |
| 003 | Solids, total suspended | MO AVG | <= 50 mg/L | all year |
| 003 | Solids, total suspended | DAILY MX | <= 75 mg/L | all year |
| 003 | Nitrogen, ammonia total [as N] | MO MAX | report only | all year |
| 003 | Zinc, total recoverable | MO AVG | <= .26 mg/L | all year |
| 003 | Zinc, total recoverable | DAILY MX | <= .35 mg/L | all year |
| 003 | Aluminum, total recoverable | MO AVG | <= 1.85 mg/L | all year |
| 003 | Aluminum, total recoverable | DAILY MX | <= 2.43 mg/L | all year |
| 003 | Lead, total recoverable | MO AVG | <= .019 mg/L | all year |
| 003 | Lead, total recoverable | DAILY MX | <= .039 mg/L | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | Chlorine, total residual | MO AVG | <= .036 mg/L | all year |
| 003 | Chlorine, total residual | DAILY MX | <= .095 mg/L | all year |
| 003 | Turbidity, % increas over intake | DAILY MX | <= 2.7 % | all year |
| FAC | Total production - mass | MO TOTAL | report only | all year |
| FAC | Total production - mass | MO TOTAL | report only | all year |
| FAC | Total production - mass | MO TOTAL | report only | all year |
| FAC | Chloroform | MO AVG | report only | all year |
| FAC | Chloroform | DAILY MX | report only | all year |
| FAC | Chloroform | MO AVG | <= 5.3 lb/d | all year |
| FAC | Chloroform | DAILY MX | <= 8.9 lb/d | all year |
| FAC | 2,4,6-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 2,3,7,8-Tetrachlorodibenzo-p-dioxin | DAILY MX | < 10 pg/L | all year |
| FAC | 2,3,7,8-Tetrachlorodibenzofuran | DAILY MX | <= 31.9 pg/L | all year |
| FAC | Pentachlorophenol | DAILY MX | < 5 ug/L | all year |
| FAC | Facility operated during month, # days | MO TOTAL | report only | all year |
| FAC | Flow, in conduit or thru treatment plant | DAILY AV | report only | all year |
| FAC | 3,4,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 3,4,6-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| FAC | 3,4,5-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 3,4,5-Trichlorocatechol | DAILY MX | < 5 ug/L | all year |
| FAC | Tetrachloroguaiacol | DAILY MX | <= 5 ug/L | all year |
| FAC | Tetrachlorocatechol | DAILY MX | < 5 ug/L | all year |
| FAC | Trichlorosyringol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 4,5,6-Trichloroguaiacol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 2,4,5-Trichlorophenol | DAILY MX | < 2.5 ug/L | all year |
| FAC | 2,3,4,6-Tetrachlorophenol | DAILY MX | < 2.5 ug/L | all year |
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