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Sewerage Systems, Curry, Oregon. NPDES permit OR0020303, in force until Nov 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Temperature, water deg. centigrade | quarterly maximum | report only (deg C) | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 15 mg/L | all year | 001 |
| pH | daily minimum | ≥ 5.5 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| pH | monthly minimum | report only (SU) | all year | 001 |
| pH | monthly maximum | report only (SU) | all year | 001 |
| pH | quarterly maximum | report only (SU) | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year | 001 |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 20 mg/L | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | weekly average | ≤ 15 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | quarterly maximum | report only (mg/L) | Jan, Feb, Mar, Oct, Nov, Dec | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 2 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Enterococci - % samples exceeding limit | total | ≤ 10 % | all year | 001 |
| Enterococci | geometric mean | ≤ 35 #/100mL | all year | 001 |
| Enterococci | daily maximum | report only (#/100mL) | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 67 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 67 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | daily minimum | ≥ 6.5 SU | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| pH | daily maximum | ≤ 9 SU | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | daily maximum | ≤ 67 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | weekly average | ≤ 67 lb/d | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 0 MGD | May–Oct | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 0 MGD | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | daily maximum | ≤ 406 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | daily maximum | report only (#/100mL) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
Cited limits by parameter: Oregon's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/OR0020303 · MCP: https://passage-data.com/mcp