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Sewage treatment plant, Junction City, Oregon. NPDES permit OR0026565, in force until Oct 31, 2028. Last 12 months: over a limit 31 times (last April 2026), 17 required values missing, 2 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | BOD, 5-day, 20 deg. C, weekly average | 311 lb/d | ≤ 300 lb/d | 4% |
| November 2025 | BOD, 5-day, 20 deg. C, weekly average | 311 lb/d | ≤ 300 lb/d | 4% |
| November 2025 | Nitrogen, ammonia total [as N], daily maximum | 10 mg/L | ≤ 3 mg/L | 233% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 8.3 mg/L | ≤ 1.6 mg/L | 419% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 15 mg/L | ≤ 3 mg/L | 400% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 12.8 mg/L | ≤ 1.6 mg/L | 700% |
| December 2025 | Solids, total suspended, weekly average | 567 lb/d | ≤ 500 lb/d | 13% |
| December 2025 | Solids, total suspended, weekly average | 567 lb/d | ≤ 500 lb/d | 13% |
| January 2026 | Nitrogen, ammonia total [as N], daily maximum | 14 mg/L | ≤ 3 mg/L | 367% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 12.3 mg/L | ≤ 1.6 mg/L | 669% |
| February 2026 | BOD, 5-day, 20 deg. C, monthly average | 216 lb/d | ≤ 200 lb/d | 8% |
| February 2026 | Nitrogen, ammonia total [as N], daily maximum | 10 mg/L | ≤ 3 mg/L | 233% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 9 mg/L | ≤ 1.6 mg/L | 463% |
| February 2026 | Solids, total suspended, daily maximum | 881 lb/d | ≤ 670 lb/d | 31% |
| February 2026 | Solids, total suspended, monthly average | 472 lb/d | ≤ 330 lb/d | 43% |
| March 2026 | BOD, 5-day, 20 deg. C, daily maximum | 1086 lb/d | ≤ 400 lb/d | 172% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 32 mg/L | ≤ 30 mg/L | 7% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 724 lb/d | ≤ 200 lb/d | 262% |
| March 2026 | BOD, 5-day, 20 deg. C, weekly average | 680.93 lb/d | ≤ 300 lb/d | 127% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 7 mg/L | ≤ 3 mg/L | 133% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 5.5 mg/L | ≤ 1.6 mg/L | 244% |
| March 2026 | Solids, total suspended, daily maximum | 993 lb/d | ≤ 670 lb/d | 48% |
| March 2026 | Solids, total suspended, monthly average | 504 lb/d | ≤ 330 lb/d | 53% |
| April 2026 | BOD, 5-day, 20 deg. C, daily maximum | 520 lb/d | ≤ 400 lb/d | 30% |
| April 2026 | BOD, 5-day, 20 deg. C, monthly average | 278 lb/d | ≤ 200 lb/d | 39% |
| April 2026 | BOD, 5-day, 20 deg. C, weekly average | 374.55 lb/d | ≤ 300 lb/d | 25% |
| April 2026 | Nitrogen, ammonia total [as N], daily maximum | 11 mg/L | ≤ 3 mg/L | 267% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 9.4 mg/L | ≤ 1.6 mg/L | 488% |
| April 2026 | Solids, total suspended, daily maximum | 1333 lb/d | ≤ 670 lb/d | 99% |
| April 2026 | Solids, total suspended, monthly average | 655 lb/d | ≤ 330 lb/d | 98% |
| April 2026 | Solids, total suspended, weekly average | 843.52 lb/d | ≤ 500 lb/d | 69% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec |
| Temperature, water deg. centigrade | monthly maximum | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow rate | weekly average | report only (cfs) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow rate | monthly maximum | report only (cfs) | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 200 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 400 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 300 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| pH | daily minimum | ≥ 6 SU (alert, not enforceable) | Jan, Feb, Mar, Apr, Nov, Dec |
| pH | daily maximum | ≤ 9 SU (alert, not enforceable) | Jan, Feb, Mar, Apr, Nov, Dec |
| pH | monthly minimum | report only (SU) | all year |
| pH | monthly maximum | report only (SU) | all year |
| pH | monthly maximum | report only (SU) | Jan, Feb, Mar, Apr, Nov, Dec |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 50 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 330 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 670 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | ≤ 80 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | weekly average | ≤ 500 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.6 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | quarterly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | monthly maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, Kjeldahl, total [as N] | maximum weekly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | Jan, Feb, Mar, Apr, Nov, Dec |
| Chlorine, total residual | monthly average | ≤ .05 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Chlorine, total residual | daily maximum | ≤ .05 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | geometric mean | ≤ 126 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | daily maximum | ≤ 406 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | daily maximum | report only (#/100mL) | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, total | daily maximum | ≤ 0 gal | May–Oct |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | Jan, Feb, Mar, Apr, Nov, Dec |
| Chlorine usage | monthly average | report only (lb/d) | Jan, Feb, Mar, Apr, Nov, Dec |
| pH range excursions, > 60 minutes | total | ≤ 0 occur/mo | Jan, Feb, Mar, Apr, Nov, Dec |
| pH range excursions, monthly total accum | total | ≤ 446 min | Jan, Feb, Mar, Apr, Nov, Dec |
Cited limits by parameter: Oregon's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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