Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Monroe, North Carolina. NPDES permit NC0085812 expired Oct 31, 2023; its limits still apply. Last 12 months: over a limit 9 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, 5-day, 20 deg. C, 30-day average | 6.1 mg/L | ≤ 5 mg/L | 22% |
| October 2025 | BOD, 5-day, 20 deg. C, 7-day average | 13.4 mg/L | ≤ 7.5 mg/L | 79% |
| January 2026 | BOD, 5-day, 20 deg. C, 7-day average | 18.5 mg/L | ≤ 15 mg/L | 23% |
| February 2026 | BOD, 5-day, 20 deg. C, 30-day average | 16.325 mg/L | ≤ 10 mg/L | 63% |
| February 2026 | BOD, 5-day, 20 deg. C, 7-day average | 25.8 mg/L | ≤ 15 mg/L | 72% |
| February 2026 | Flow, in conduit or thru treatment plant, 30-day average | .0502 MGD | ≤ .05 MGD | 0% |
| March 2026 | BOD, 5-day, 20 deg. C, 7-day average | 16.9 mg/L | ≤ 15 mg/L | 13% |
| May 2026 | Oxygen, dissolved [DO], daily minimum | 5.34 mg/L | ≥ 6 mg/L | 11% |
| August 2026 | BOD, 5-day, 20 deg. C, 7-day average | 16 mg/L | ≤ 7.5 mg/L | 113% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun–Sep |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Feb, Mar, Apr, May, Oct, Nov, Dec |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jun–Sep |
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | Jun–Sep |
| Oxygen, dissolved [DO] | daily maximum | report only (mg/L) | Jun–Sep |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 7.5 mg/L | Apr–Oct |
| BOD, 5-day, 20 deg. C | 7-day average | ≤ 15 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 5 mg/L | Apr–Oct |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 10 mg/L | Jan, Feb, Mar, Nov, Dec |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | 7-day average | ≤ 45 mg/L | all year |
| Solids, total suspended | 30-day average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 6 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | 7-day average | ≤ 12 mg/L | Jan, Feb, Mar, Nov, Dec |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 2 mg/L | Apr–Oct |
| Nitrogen, ammonia total [as N] | 30-day average | ≤ 4 mg/L | Jan, Feb, Mar, Nov, Dec |
| Coliform, fecal MF, MFC broth, 44.5 C | weekly geometric mean | ≤ 400 #/100mL | all year |
| Coliform, fecal MF, MFC broth, 44.5 C | monthly geometric mean | ≤ 200 #/100mL | all year |
| Flow, in conduit or thru treatment plant | 30-day average | ≤ .05 MGD | all year |
| Chlorine, total residual | daily maximum | ≤ 17 ug/L | all year |
Cited limits by parameter: North Carolina'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/NC0085812 · MCP: https://passage-data.com/mcp