Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Myrtle Point, Oregon. NPDES permit OR0020435, in force until May 31, 2029. Last 12 months: over a limit 37 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum | 11.1 % | ≥ 85 % | 493% |
| October 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 70.2 lb/d | ≤ 62 lb/d | 13% |
| October 2025 | BOD, carbonaceous [5 day, 20 C], weekly average | 54 lb/d | ≤ 47 lb/d | 15% |
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 2.1 lb/d | ≤ 1.8 lb/d | 17% |
| October 2025 | Solids, suspended percent removal, monthly average minimum | 38.6 % | ≥ 85 % | 309% |
| October 2025 | Solids, total suspended, daily maximum | 636.1 lb/d | ≤ 130 lb/d | 389% |
| October 2025 | Solids, total suspended, monthly average | 20.1 mg/L | ≤ 20 mg/L | 1% |
| October 2025 | Solids, total suspended, monthly average | 75.8 lb/d | ≤ 63 lb/d | 20% |
| October 2025 | Solids, total suspended, weekly average | 54 mg/L | ≤ 30 mg/L | 80% |
| November 2025 | BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum | -35 % | ≥ 85 % | 800% |
| December 2025 | BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum | -68.8 % | ≥ 85 % | 1025% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 208.5 lb/d | ≤ 150 lb/d | 39% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 30.5 mg/L | ≤ 25 mg/L | 22% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly average | 100.67 mg/L | ≤ 40 mg/L | 152% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], weekly average | 685.26 lb/d | ≤ 230 lb/d | 198% |
| December 2025 | E. coli, monthly geometric mean | 387.6 #/100mL | ≤ 126 #/100mL | 208% |
| December 2025 | Solids, suspended percent removal, monthly average minimum | 57.2 % | ≥ 85 % | 185% |
| December 2025 | Solids, total suspended, daily maximum | 4586.6 lb/d | ≤ 360 lb/d | 1174% |
| December 2025 | Solids, total suspended, monthly average | 104.2 mg/L | ≤ 30 mg/L | 247% |
| December 2025 | Solids, total suspended, monthly average | 673.1 lb/d | ≤ 180 lb/d | 274% |
| December 2025 | Solids, total suspended, weekly average | 1922.8 lb/d | ≤ 270 lb/d | 612% |
| December 2025 | Solids, total suspended, weekly average | 309.3 mg/L | ≤ 45 mg/L | 587% |
| December 2025 | pH, daily maximum | 9.1 SU | ≤ 9 SU | — |
| January 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 365.2 lb/d | ≤ 300 lb/d | 22% |
| January 2026 | Solids, suspended percent removal, monthly average minimum | 26 % | ≥ 85 % | 393% |
| January 2026 | Solids, total suspended, daily maximum | 7841.6 lb/d | ≤ 360 lb/d | 2078% |
| January 2026 | Solids, total suspended, monthly average | 39.8 mg/L | ≤ 30 mg/L | 33% |
| January 2026 | Solids, total suspended, monthly average | 802.2 lb/d | ≤ 180 lb/d | 346% |
| January 2026 | Solids, total suspended, weekly average | 123.6 mg/L | ≤ 45 mg/L | 175% |
| January 2026 | Solids, total suspended, weekly average | 2626.6 lb/d | ≤ 270 lb/d | 873% |
| February 2026 | Solids, suspended percent removal, monthly average minimum | 55.7 % | ≥ 85 % | 195% |
| February 2026 | Solids, total suspended, daily maximum | 3294.4 lb/d | ≤ 360 lb/d | 815% |
| February 2026 | Solids, total suspended, monthly average | 436.7 lb/d | ≤ 180 lb/d | 143% |
| February 2026 | Solids, total suspended, weekly average | 1672.5 lb/d | ≤ 270 lb/d | 519% |
| February 2026 | Solids, total suspended, weekly average | 66.6 mg/L | ≤ 45 mg/L | 48% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 4.3 lb/d | ≤ 1.8 lb/d | 139% |
| September 2026 | Nitrogen, total [as N], monthly average | 39.2 lb/d | ≤ 18 lb/d | 118% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Temperature, water deg. centigrade | maximum 7-day average | report only (deg C) | all year |
| Flow rate | monthly average | report only (cfs) | May–Oct |
| Flow rate | monthly average | report only (cfs) | May–Oct |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| pH | monthly minimum | report only (SU) | all year |
| pH | monthly maximum | report only (SU) | all year |
| Alkalinity, total [as CaCO3] | quarterly maximum | report only (mg/L) | all year |
| Solids, total suspended | monthly average | ≤ 20 mg/L | May–Oct |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | ≤ 63 lb/d | May–Oct |
| Solids, total suspended | monthly average | ≤ 180 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | daily maximum | ≤ 130 lb/d | May–Oct |
| Solids, total suspended | daily maximum | ≤ 360 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | weekly average | ≤ 30 mg/L | May–Oct |
| Solids, total suspended | weekly average | ≤ 270 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| Solids, total suspended | weekly average | ≤ 95 lb/d | May–Oct |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, total [as N] | monthly average | ≤ 42 lb/d | May, Jun |
| Nitrogen, total [as N] | monthly average | ≤ 18 lb/d | Jul–Sep |
| Nitrogen, total [as N] | monthly average | ≤ 18 lb/d | Oct |
| Nitrogen, total [as N] | monthly average | ≤ 42 lb/d | Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | May–Oct |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.3 lb/d | May, Jun |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 lb/d | Jul–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 lb/d | Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.3 lb/d | Oct |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | May–Oct |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | May–Oct |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | May–Oct |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | May–Oct |
| 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 | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | ≤ 406 #/100mL | all year |
| E. coli | monthly geometric mean | ≤ 126 #/100mL | all year |
| E. coli | daily maximum | report only (#/100mL) | all year |
| Excess thermal load | maximum 7-day average | ≤ 94.9 mkcal/day | May |
| Excess thermal load | maximum 7-day average | ≤ 67.2 mkcal/day | Jun |
| Excess thermal load | maximum 7-day average | ≤ 24.6 mkcal/day | Jul |
| Excess thermal load | maximum 7-day average | ≤ 15.3 mkcal/day | Aug |
| Excess thermal load | maximum 7-day average | ≤ 10.4 mkcal/day | Sep |
| Excess thermal load | maximum 7-day average | ≤ 10.3 mkcal/day | Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 150 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 31 lb/d | May, Jun |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 18 lb/d | Jul–Sep |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 300 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 62 lb/d | May, Jun |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 62 lb/d | Jul–Sep |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 18 lb/d | Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 62 lb/d | Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 31 lb/d | Oct |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 62 lb/d | Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 15 mg/L | May–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 230 lb/d | Jan, Feb, Mar, Apr, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 47 lb/d | May–Oct |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: Oregon's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OR0020435 · MCP: https://passage-data.com/mcp