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Sewage treatment plant, Bloomer, Wisconsin. NPDES permit WI0020575 expired Dec 31, 2022; its limits still apply. Last 12 months: over a limit 20 times (last June 2026), 61 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Nitrogen, ammonia total [as N], monthly average | 25.5583 | ≤ 23 mg/L | 11% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 26.3615 | ≤ 23 mg/L | 15% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 27.1857 | ≤ 23 mg/L | 18% |
| December 2025 | Phosphorus, total [as P], 6-month average | .6643 | ≤ .38 lb/d | 75% |
| December 2025 | Phosphorus, total [as P], monthly average | .264 | ≤ .225 mg/L | 17% |
| January 2026 | BOD, 5-day, 20 deg. C, weekly average | 77.6667 | ≤ 45 mg/L | 73% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 29.1167 | ≤ 23 mg/L | 27% |
| January 2026 | Phosphorus, total [as P], 6-month average | 1.8275 | ≤ .38 lb/d | 381% |
| January 2026 | Phosphorus, total [as P], monthly average | .7175 | ≤ .225 mg/L | 219% |
| January 2026 | Solids, total suspended, weekly average | 52 | ≤ 45 mg/L | 16% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 25.7583 | ≤ 23 mg/L | 12% |
| February 2026 | Phosphorus, total [as P], 6-month average | 1.2008 | ≤ .38 lb/d | 216% |
| February 2026 | Phosphorus, total [as P], monthly average | .4492 | ≤ .225 mg/L | 100% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 23.9133 | ≤ 23 mg/L | 4% |
| March 2026 | Phosphorus, total [as P], 6-month average | 1.318 | ≤ .38 lb/d | 247% |
| March 2026 | Phosphorus, total [as P], monthly average | .4932 | ≤ .225 mg/L | 119% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 22.2917 | ≤ 13 mg/L | 71% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 24.0923 | ≤ 13 mg/L | 85% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 25.4786 | ≤ 5.7 mg/L | 347% |
| June 2026 | Nitrogen, ammonia total [as N], weekly average | 26.7333 | ≤ 13 mg/L | 106% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | May–Oct | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 36 mg/L | May–Oct | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | May–Oct | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 180 lb/d | May–Oct | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | weekly average | ≤ 36 mg/L | May–Oct | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | May–Oct | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | May–Oct | 002 |
| Solids, total suspended | weekly average | ≤ 180 lb/d | May–Oct | 002 |
| Solids, total suspended | daily maximum | report only (lb/d) | May–Oct | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 50 mg/L | Jan, Feb, Mar, Oct, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 28 mg/L | Apr, May | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 13 mg/L | Jun–Sep | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 23 mg/L | Jan, Feb, Mar, Oct, Nov, Dec | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13 mg/L | Apr, May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.7 mg/L | Jun–Sep | 002 |
| Phosphorus, total [as P] | 6-month average | ≤ .075 mg/L | all year | 002 |
| Phosphorus, total [as P] | monthly average | ≤ .225 mg/L | all year | 002 |
| Phosphorus, total [as P] | 6-month average | ≤ .38 lb/d | all year | 002 |
| Coliform, fecal general | weekly geometric mean | ≤ 656 #/100mL | May–Sep | 002 |
| Coliform, fecal general | geometric mean | ≤ 400 #/100mL | May–Sep | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 702 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 702 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 702 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 702 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 702 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 702 |
Cited limits by parameter: Wisconsin's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WI0020575 · MCP: https://passage-data.com/mcp